Cache Enabler – WordPress Cache

Version Description

Update default cache behavior for WooCommerce stock update
Update Cache Behavior setting for plugin actions
Update admin bar clear cache buttons
Update cache behavior for logged in users
Update default clear cache publishing action
Update advanced cache settings
Update trailing slash handling
Update settings page
Add Cache Behavior setting for WooCommerce stock update
Add fbclid as default URL query parameter to bypass cache
Add scheme-based caching
Fix advanced cache for multisite networks
Fix minor bugs

Release Info

Developer	keycdn
Plugin	Cache Enabler – WordPress Cache
Version	1.4.0
Comparing to
See all releases

Code changes from version 1.3.5 to 1.4.0

Files changed (7) hide show

advanced-cache.php +98 -82
cache-enabler.php +0 -0
inc/cache_enabler.class.php +981 -915
inc/cache_enabler_cli.class.php +15 -3
inc/cache_enabler_disk.class.php +270 -215
js/post.js +23 -20
readme.txt +27 -12

advanced-cache.php CHANGED Viewed

	@@ -1,7 +1,13 @@
1	<?php






2
3	// check if request method is GET
4	- if ( ! isset( $_SERVER['REQUEST_METHOD'] ) \|\| $_SERVER['REQUEST_METHOD'] != 'GET' ) {
5	return false;
6	}
7
	@@ -9,113 +15,105 @@ if ( ! isset( $_SERVER['REQUEST_METHOD'] ) \|\| $_SERVER['REQUEST_METHOD'] != 'GET
9	$path = _ce_file_path();
10
11	// path to cached variants
12	- $path_html = $path . 'index.html';
13	- $path_gzip = $path . 'index.html.gz';
14	$path_webp_html = $path . 'index-webp.html';
15	$path_webp_gzip = $path . 'index-webp.html.gz';
16
17	-
18	- // if we ~~don't~~ ~~have~~ a ~~cache~~ ~~copy,~~ ~~we do not need to proceed~~
19	- if ( !is_readable( $path_html ) ) {
20	return false;
21	}
22
23	- // check if there are settings ~~passed out to us~~
24	- $settings_file = sprintf(~~'%s-%s%s.json',~~
25	- ~~WP_CONTENT_DIR~~. ~~"/cache/cache-enabler-advcache"~~,

26	parse_url(
27	- 'http://' .strtolower($_SERVER['HTTP_HOST']),
28	PHP_URL_HOST
29	),
30	- is_multisite() ? ~~'-'. abs~~(~~intval($blog_id~~)) : ''
31	);
32	- $settings = _read_settings($settings_file);
33	-
34	- // if post path excluded
35	- if ( !empty($settings['excl_regexp']) ) {
36	- $url_path = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
37
38	- if ( ~~preg_match($settings['excl_regexp'],~~ ~~$url_path) ) {~~



39	return false;
40	}
41	- }
42	-
43	- // ~~check~~ ~~GET~~ ~~variables~~
44	- if ( !empty($_GET) ) {
45	- // set regex of analytics campaign tags that shall not prevent caching
46	- if ( !empty($settings['incl_attributes']) ) {
47	- $attributes_regex = $settings['incl_attributes'];
48	- } else {
49	- $attributes_regex = '/^utm_(source\|medium\|campaign\|term\|content)$/';
50	- }
51	- // prevent cache use if there is any GET variable not covered by the campaign tag regex
52	- if ( sizeof( preg_grep( $attributes_regex, array_keys( $_GET ), PREG_GREP_INVERT ) ) > 0 ) {
53	return false;
54	}
55	}
56
57	- // check cookie values
58	- if ( !empty($_COOKIE) ) {
59	- // check cookie values
60	- if ( !empty($settings['excl_cookies']) ) {
61	- // if custom cookie regexps exist, we merge them
62	- $cookies_regex = $settings['excl_cookies'];
63	- } else {
64	- $cookies_regex = '/^(wp-postpass\|wordpress_logged_in\|comment_author)_/';
65	- }
66	-
67	- foreach ( $_COOKIE as $k => $v) {
68	- if ( preg_match($cookies_regex, $k) ) {
69	- return false;
70	- }
71	- }
72	- }
73	-
74	// if an expiry time is set, check the file against it
75	- if ( isset($settings["expires"]) ~~and~~ $settings["expires"] > 0 ) {
76	$now = time();
77	- $expires_seconds = 3600*$settings["expires"];
78
79	- // check if ~~asset~~ has expired
80	- if ( ( filemtime($path_html) + $expires_seconds ) <= $now ) {
81	return false;
82	}
83	}
84
85	// if a cache timeout is set, check if we have to bypass the cache
86	- if ( !empty($settings["cache_timeout"]) ) {
87	$now = time();
88
89	// check if timeout has been reached
90	- if ( $settings["cache_timeout"] <= $now ) {
91	- @unlink($path_html);
92	- @unlink($path_gzip);
93	- @unlink($path_webp_html);
94	- @unlink($path_webp_gzip);
95	return false;
96	}
97	}
98
99	- // check ~~if we need drop the ball to cause a redirect~~
100	- if ( ~~isset~~($~~settings["permalink_trailing_slash"]~~) ) {
101	- if ( ! ~~preg_match("/\/(\|\?.*)$/",~~ ~~$_SERVER["REQUEST_URI"])~~ ) {























102	return false;
103	}
104	}
105
106	- // set ~~cache~~ ~~handler~~ header
107	- header('x-~~cache~~-~~handler~~: wp');
108
109	- // get ~~if-modified~~ request headers
110	if ( function_exists( 'apache_request_headers' ) ) {
111	- $headers = apache_request_headers();
112	$http_if_modified_since = ( isset( $headers[ 'If-Modified-Since' ] ) ) ? $headers[ 'If-Modified-Since' ] : '';
113	- $http_accept = ( isset( $headers[ 'Accept' ] ) ) ? $headers[ 'Accept' ] : '';
114	- $http_accept_encoding = ( isset( $headers[ 'Accept-Encoding' ] ) ) ? $headers[ 'Accept-Encoding' ] : '';
115	} else {
116	$http_if_modified_since = ( isset( $_SERVER[ 'HTTP_IF_MODIFIED_SINCE' ] ) ) ? $_SERVER[ 'HTTP_IF_MODIFIED_SINCE' ] : '';
117	- $http_accept = ( isset( $_SERVER[ 'HTTP_ACCEPT' ] ) ) ? $_SERVER[ 'HTTP_ACCEPT' ] : '';
118	- $http_accept_encoding = ( isset( $_SERVER[ 'HTTP_ACCEPT_ENCODING' ] ) ) ? $_SERVER[ 'HTTP_ACCEPT_ENCODING' ] : '';
119	}
120
121	// check modified since with cached file and return 304 if no difference
	@@ -124,12 +122,13 @@ if ( $http_if_modified_since && ( strtotime( $http_if_modified_since ) >= filemt
124	exit;
125	}
126
127	- ~~header(~~ 'Last-Modified: ' ~~. gmdate("D, d M Y H:i:s",filemtime( $path_html )).' GMT' );~~

128
129	- // check webp and deliver gzip webp file if ~~support~~
130	- if ( $http_accept && ( strpos($http_accept, 'webp') !== false ) ) {
131	if ( is_readable( $path_webp_gzip ) ) {
132	- header('Content-Encoding: gzip');
133	readfile( $path_webp_gzip );
134	exit;
135	} elseif ( is_readable( $path_webp_html ) ) {
	@@ -138,9 +137,9 @@ if ( $http_accept && ( strpos($http_accept, 'webp') !== false ) ) {
138	}
139	}
140
141	- // check encoding and deliver gzip file if ~~support~~
142	if ( $http_accept_encoding && ( strpos($http_accept_encoding, 'gzip') !== false ) && is_readable( $path_gzip ) ) {
143	- header('Content-Encoding: gzip');
144	readfile( $path_gzip );
145	exit;
146	}
	@@ -151,13 +150,14 @@ exit;
151
152
153	// generate cache path
154	- function _ce_file_path($path = ~~NULL~~) {

155	$path = sprintf(
156	'%s%s%s%s',
157	WP_CONTENT_DIR . '/cache/cache-enabler',
158	DIRECTORY_SEPARATOR,
159	parse_url(
160	- 'http://' .strtolower($_SERVER['HTTP_HOST']),
161	PHP_URL_HOST
162	),
163	parse_url(
	@@ -166,7 +166,7 @@ function _ce_file_path($path = NULL) {
166	)
167	);
168
169	- if ( is_file($path) > 0 ) {
170	header( $_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found', true, 404 );
171	exit;
172	}
	@@ -177,15 +177,31 @@ function _ce_file_path($path = NULL) {
177	return $path;
178	}
179









180	// read settings file
181	- function _read_settings($settings_file) {
182	- ~~if (! file_exists($settings_file) ) {~~
183	- ~~return~~ ~~[];~~







184	}
185
186	- if ( ! ~~$settings~~ = ~~json_decode(file_get_contents($settings_file),~~ ~~true)~~ ) {
187	- // if ~~there~~ is an ~~error~~ ~~reading~~ ~~our~~ ~~settings~~
188	- return [];
189	}
190
191	return $settings;


1	<?php
2	+ /**
3	+ * Cache Enabler advanced cache
4	+ *
5	+ * @since 1.2.0
6	+ * @change 1.4.0
7	+ */
8
9	// check if request method is GET
10	+ if ( ! isset( $_SERVER['REQUEST_METHOD'] ) \|\| $_SERVER['REQUEST_METHOD'] !== 'GET' ) {
11	return false;
12	}
13

15	$path = _ce_file_path();
16
17	// path to cached variants
18	+ $path_html = $path . 'index.html';
19	+ $path_gzip = $path . 'index.html.gz';
20	$path_webp_html = $path . 'index-webp.html';
21	$path_webp_gzip = $path . 'index-webp.html.gz';
22
23	+ // check if cached file exists
24	+ if ( ! is_readable( $path_html ) ) {

25	return false;
26	}
27
28	+ // check if there are settings
29	+ $settings_file = sprintf(
30	+ '%s-%s%s.json',
31	+ CE_SETTINGS_PATH,
32	parse_url(
33	+ 'http://' . strtolower( $_SERVER['HTTP_HOST'] ),
34	PHP_URL_HOST
35	),
36	+ ( is_multisite() && ! SUBDOMAIN_INSTALL ) ? _get_blog_path() : ''
37	);
38	+ $settings = _read_settings( $settings_file );




39
40	+ // check trailing slash
41	+ if ( isset( $settings['permalink_trailing_slash'] ) && $settings['permalink_trailing_slash'] ) {
42	+ // if trailing slash is missing, check if we have to bypass the cache to allow a redirect
43	+ if ( ! preg_match( '/\/(\|\?.*)$/', $_SERVER['REQUEST_URI'] ) ) {
44	return false;
45	}
46	+ } elseif ( isset( $settings['permalink_trailing_slash'] ) && ! $settings['permalink_trailing_slash'] ) {
47	+ // if trailing slash is appended, check if we have to bypass the cache to allow a redirect
48	+ if ( preg_match( '/(?!^)\/(\|\?.*)$/', $_SERVER['REQUEST_URI'] ) ) {









49	return false;
50	}
51	}
52

















53	// if an expiry time is set, check the file against it
54	+ if ( isset( $settings['expires'] ) && $settings['expires'] > 0 ) {
55	$now = time();
56	+ $expires_seconds = 3600 * $settings['expires'];
57
58	+ // check if cached file has expired
59	+ if ( ( filemtime( $path_html ) + $expires_seconds ) <= $now ) {
60	return false;
61	}
62	}
63
64	// if a cache timeout is set, check if we have to bypass the cache
65	+ if ( ! empty( $settings['cache_timeout'] ) ) {
66	$now = time();
67
68	// check if timeout has been reached
69	+ if ( $settings['cache_timeout'] <= $now ) {




70	return false;
71	}
72	}
73
74	+ // check cookies
75	+ if ( ! empty( $_COOKIE ) ) {
76	+ // set regex matching cookies that should cause the cache to be bypassed
77	+ if ( ! empty( $settings['excl_cookies'] ) ) {
78	+ $cookies_regex = $settings['excl_cookies'];
79	+ } else {
80	+ $cookies_regex = '/^(wp-postpass\|wordpress_logged_in\|comment_author)_/';
81	+ }
82	+ // bypass the cache if an excluded cookie is found
83	+ foreach ( $_COOKIE as $key => $value) {
84	+ if ( preg_match( $cookies_regex, $key ) ) {
85	+ return false;
86	+ }
87	+ }
88	+ }
89	+
90	+ // check URL query parameters
91	+ if ( ! empty( $_GET ) ) {
92	+ // set regex matching URL query parameters that should not cause the cache to be bypassed
93	+ if ( ! empty( $settings['incl_parameters'] ) ) {
94	+ $parameters_regex = $settings['incl_parameters'];
95	+ } else {
96	+ $parameters_regex = '/^fbclid\|utm_(source\|medium\|campaign\|term\|content)$/';
97	+ }
98	+ // bypass the cache if no included URL query parameters are found
99	+ if ( sizeof( preg_grep( $parameters_regex, array_keys( $_GET ), PREG_GREP_INVERT ) ) > 0 ) {
100	return false;
101	}
102	}
103
104	+ // set X-Cache-Handler response header
105	+ header( 'X-Cache-Handler: wp' );
106
107	+ // get request headers
108	if ( function_exists( 'apache_request_headers' ) ) {
109	+ $headers = apache_request_headers();
110	$http_if_modified_since = ( isset( $headers[ 'If-Modified-Since' ] ) ) ? $headers[ 'If-Modified-Since' ] : '';
111	+ $http_accept = ( isset( $headers[ 'Accept' ] ) ) ? $headers[ 'Accept' ] : '';
112	+ $http_accept_encoding = ( isset( $headers[ 'Accept-Encoding' ] ) ) ? $headers[ 'Accept-Encoding' ] : '';
113	} else {
114	$http_if_modified_since = ( isset( $_SERVER[ 'HTTP_IF_MODIFIED_SINCE' ] ) ) ? $_SERVER[ 'HTTP_IF_MODIFIED_SINCE' ] : '';
115	+ $http_accept = ( isset( $_SERVER[ 'HTTP_ACCEPT' ] ) ) ? $_SERVER[ 'HTTP_ACCEPT' ] : '';
116	+ $http_accept_encoding = ( isset( $_SERVER[ 'HTTP_ACCEPT_ENCODING' ] ) ) ? $_SERVER[ 'HTTP_ACCEPT_ENCODING' ] : '';
117	}
118
119	// check modified since with cached file and return 304 if no difference

122	exit;
123	}
124
125	+ // set Last-Modified response header
126	+ header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', filemtime( $path_html ) ) . ' GMT' );
127
128	+ // check webp and deliver gzip webp file if supported
129	+ if ( $http_accept && ( strpos( $http_accept, 'webp' ) !== false ) ) {
130	if ( is_readable( $path_webp_gzip ) ) {
131	+ header( 'Content-Encoding: gzip' );
132	readfile( $path_webp_gzip );
133	exit;
134	} elseif ( is_readable( $path_webp_html ) ) {

137	}
138	}
139
140	+ // check encoding and deliver gzip file if supported
141	if ( $http_accept_encoding && ( strpos($http_accept_encoding, 'gzip') !== false ) && is_readable( $path_gzip ) ) {
142	+ header( 'Content-Encoding: gzip' );
143	readfile( $path_gzip );
144	exit;
145	}

150
151
152	// generate cache path
153	+ function _ce_file_path( $path = null ) {
154	+
155	$path = sprintf(
156	'%s%s%s%s',
157	WP_CONTENT_DIR . '/cache/cache-enabler',
158	DIRECTORY_SEPARATOR,
159	parse_url(
160	+ 'http://' .strtolower( $_SERVER['HTTP_HOST'] ),
161	PHP_URL_HOST
162	),
163	parse_url(

166	)
167	);
168
169	+ if ( is_file( $path ) > 0 ) {
170	header( $_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found', true, 404 );
171	exit;
172	}

177	return $path;
178	}
179
180	+ // get blog path
181	+ function _get_blog_path() {
182	+ $path = $_SERVER['REQUEST_URI'];
183	+
184	+ $path = explode( '/', $path, 3 );
185	+
186	+ return '-' . $path[1];
187	+ }
188	+
189	// read settings file
190	+ function _read_settings( $settings_file ) {
191	+
192	+ // check if settings file exists
193	+ if ( ! file_exists( $settings_file ) ) {
194	+ // check if settings file exists for main site in network with subdirectory configuration
195	+ if ( is_multisite() && ! SUBDOMAIN_INSTALL && file_exists( str_replace( _get_blog_path(), '', $settings_file ) ) ) {
196	+ $settings_file = str_replace( _get_blog_path(), '', $settings_file );
197	+ } else {
198	+ return array();
199	+ }
200	}
201
202	+ // check if any errors occur when reading the settings file
203	+ if ( ! $settings = json_decode( file_get_contents( $settings_file ), true ) ) {
204	+ return array();
205	}
206
207	return $settings;

cache-enabler.php CHANGED Viewed

Binary file

inc/cache_enabler.class.php CHANGED Viewed

	@@ -2,13 +2,13 @@
2
3
4	// exit
5	- defined('ABSPATH') OR exit;
6
7
8	/**
9	* Cache_Enabler
10	*
11	- * @since 1.0.0
12	*/
13
14	final class Cache_Enabler {
	@@ -41,9 +41,9 @@ final class Cache_Enabler {
41	* @var integer
42	*/
43
44	- const MINIFY_DISABLED = 0;
45	const MINIFY_HTML_ONLY = 1;
46	- const MINIFY_HTML_JS = 2;
47
48
49	/**
	@@ -53,8 +53,8 @@ final class Cache_Enabler {
53	* @change 1.0.0
54	*/
55
56	- public static function instance()
57	- {
58	new self();
59	}
60
	@@ -63,291 +63,94 @@ final class Cache_Enabler {
63	* constructor
64	*
65	* @since 1.0.0
66	- * @change 1.2.3
67	- *
68	- * @param void
69	- * @return void
70	*/
71
72	- public function __construct()
73	- {
74	// set default vars
75	self::_set_default_vars();
76
77	- // ~~register~~ ~~publish hook~~
78	- add_action(
79	- 'init',
80	- array(
81	- __CLASS__,
82	- 'register_publish_hooks'
83	- ),
84	- 99
85	- );
86
87	// clear cache hooks
88	- add_action(
89	- '~~ce_clear_post_cache~~',
90	- array(
91	- __CLASS__,
92	- '~~clear_page_cache_by_post_id~~'
93	- )
94	- );
95	- add_action(
96	- ~~'ce_clear_cache',~~
97	- array(
98	- __CLASS__,
99	- '~~clear_total_cache~~'
100	- )
101	- );
102	- ~~add_action(~~
103	- ~~'_core_updated_successfully',~~
104	- array(
105	- __CLASS__,
106	- ~~'clear_total_cache'~~
107	- )
108	- );
109	- ~~add_action(~~
110	- ~~'switch_theme',~~
111	- array(
112	- __CLASS__,
113	- 'clear_total_cache'
114	- )
115	- );
116	- add_action(
117	- 'wp_trash_post',
118	- function( $post_id ) {
119	- if ( get_post_status ( $post_id ) == 'publish' ) {
120	- self::clear_total_cache();
121	- }
122	- self::check_future_posts();
123	- }
124	- );
125	- add_action(
126	- 'save_post',
127	- array(
128	- __CLASS__,
129	- 'check_future_posts'
130	- )
131	- );
132	- add_action(
133	- 'autoptimize_action_cachepurged',
134	- array(
135	- __CLASS__,
136	- 'clear_total_cache'
137	- )
138	- );
139	- add_action(
140	- 'upgrader_process_complete',
141	- array(
142	- __CLASS__,
143	- 'on_upgrade_hook'
144	- ), 10, 2);
145	-
146	- // act on woocommerce actions
147	- add_action(
148	- 'woocommerce_product_set_stock',
149	- array(
150	- __CLASS__,
151	- 'woocommerce_product_set_stock',
152	- ),
153	- 10,
154	- 1
155	- );
156	- add_action(
157	- 'woocommerce_product_set_stock_status',
158	- array(
159	- __CLASS__,
160	- 'woocommerce_product_set_stock_status',
161	- ),
162	- 10,
163	- 1
164	- );
165	- add_action(
166	- 'woocommerce_variation_set_stock',
167	- array(
168	- __CLASS__,
169	- 'woocommerce_product_set_stock',
170	- ),
171	- 10,
172	- 1
173	- );
174	- add_action(
175	- 'woocommerce_variation_set_stock_status',
176	- array(
177	- __CLASS__,
178	- 'woocommerce_product_set_stock_status',
179	- ),
180	- 10,
181	- 1
182	- );
183	-
184	- // add admin clear link
185	- add_action(
186	- 'admin_bar_menu',
187	- array(
188	- __CLASS__,
189	- 'add_admin_links'
190	- ),
191	- 90
192	- );
193	- add_action(
194	- 'init',
195	- array(
196	- __CLASS__,
197	- 'process_clear_request'
198	- )
199	- );
200	- if ( !is_admin() ) {
201	- add_action(
202	- 'admin_bar_menu',
203	- array(
204	- __CLASS__,
205	- 'register_textdomain'
206	- )
207	- );
208	- }
209	-
210	- // admin
211	if ( is_admin() ) {
212	- ~~add_action(~~
213	- '~~wpmu_new_blog~~',
214	- array(
215	- ~~__CLASS__,~~
216	- '~~install_later~~'
217	- )
218	- );
219	- ~~add_action~~(
220	- ~~'delete_blog',~~
221	- array(
222	- __CLASS__,
223	- '~~uninstall_later~~'
224	- )
225	- );
226	-
227	- ~~add_action~~(
228	- ~~'admin_init',~~
229	- array(
230	- __CLASS__,
231	- ~~'register_textdomain'~~
232	- )
233	- );
234	- add_action(
235	- ~~'admin_init',~~
236	- array(
237	- ~~__CLASS__,~~
238	- ~~'register_settings'~~
239	- )
240	- );
241
242	- add_action(
243	- 'admin_menu',
244	- array(
245	- __CLASS__,
246	- 'add_settings_page'
247	- )
248	- );
249	- add_action(
250	- 'admin_enqueue_scripts',
251	- array(
252	- __CLASS__,
253	- 'add_admin_resources'
254	- )
255	- );
256
257	- ~~add_action(~~
258	- ~~'transition_comment_status',~~
259	- ~~array(~~
260	- ~~__CLASS__,~~
261	- ~~'change_comment'~~
262	- ),
263	- ~~10,~~
264	- 3
265	- );
266	- add_action(
267	- 'comment_post',
268	- array(
269	- __CLASS__,
270	- 'comment_post'
271	- ),
272	- 99,
273	- 2
274	- );
275	- add_action(
276	- 'edit_comment',
277	- array(
278	- __CLASS__,
279	- 'edit_comment'
280	- )
281	- );
282
283	- ~~add_filter~~(
284	- 'dashboard_glance_items',
285	- array(
286	- __CLASS__,
287	- 'add_dashboard_count'
288	- )
289	- );
290	- add_action(
291	- 'post_submitbox_misc_actions',
292	- array(
293	- __CLASS__,
294	- 'add_clear_dropdown'
295	- )
296	- );
297	- add_filter(
298	- 'plugin_row_meta',
299	- array(
300	- __CLASS__,
301	- 'row_meta'
302	- ),
303	- 10,
304	- 2
305	- );
306	- add_filter(
307	- 'plugin_action_links_' .CE_BASE,
308	- array(
309	- __CLASS__,
310	- 'action_links'
311	- )
312	- );
313
314	- // ~~warnings~~ ~~and notices~~
315	- ~~add_action~~(
316	- 'admin_notices',
317	- array(
318	- __CLASS__,
319	- 'warning_is_permalink'
320	- )
321	- );
322	- add_action(
323	- 'admin_notices',
324	- array(
325	- __CLASS__,
326	- 'requirements_check'
327	- )
328	- );
329
330	- // ~~caching~~
331	- } ~~else~~ {
332	- ~~add_action~~(
333	- 'pre_comment_approved',
334	- array(
335	- __CLASS__,
336	- 'new_comment'
337	- ),
338	- 99,
339	- 2
340	- );
341	-
342	- add_action(
343	- 'template_redirect',
344	- array(
345	- __CLASS__,
346	- 'handle_cache'
347	- ),
348	- 0
349	- );
350	}



351	}
352
353
	@@ -355,77 +158,126 @@ final class Cache_Enabler {
355	* deactivation hook
356	*
357	* @since 1.0.0
358	- * @change 1.1.1


359	*/
360
361	- public static function on_deactivation() {
362	- ~~self::clear_total_cache(true);~~


363

364	if ( defined( 'WP_CACHE' ) && WP_CACHE ) {
365	- // ~~unset~~ ~~WP_CACHE~~
366	- self::_set_wp_cache(false);
367	}
368
369	// delete advanced cache file
370	- unlink(WP_CONTENT_DIR . '/advanced-cache.php');
371	}
372
373
374	/**
375	- * activation ~~hook~~
376	*
377	- * @since 1.0.0
378	- * @change 1.1.1



379	*/
380
381	- public static function ~~on_activation~~() {
382
383	- // ~~multisite~~ ~~and network~~
384	- if ( is_multisite() && ~~! empty(~~$~~_GET['networkwide'])~~ ) {
385	- // blog ~~ids~~
386	- $~~ids~~ = self::_get_blog_ids();
387
388	- // switch to blog
389	- foreach ($~~ids~~ as $id) {
390	- switch_to_blog($id);
391	- ~~self::_install_backend();~~









392	}
393
394	// restore blog
395	restore_current_blog();
396	-
397	} else {
398	- ~~self::_install_backend~~();








399	}
400
401	- if ( ~~!defined(~~ '~~WP_CACHE~~' ) ~~\|\| !WP_CACHE )~~ {
402	- // ~~set~~ ~~WP_CACHE~~
403	- self::~~_set_wp_cache~~(~~true~~);
404	}

405
406	- ~~// copy advanced cache file~~
407	- ~~copy(CE_DIR . '/advanced-cache.php', WP_CONTENT_DIR . '/advanced-cache.php');~~












408	}
409
410
411	/**
412	- * upgrade hook ~~actions~~



413	*
414	- * @~~since~~ ~~1.2.3~~

415	*/
416
417	- public static function ~~on_upgrade_hook~~( $obj, $~~options~~ ) {
418	- ~~// clear cache on other plugins being upgraded~~

419	if ( self::$options['clear_on_upgrade'] ) {
420	self::clear_total_cache();
421	}
422
423	- // check if ~~we got upgraded ourselves~~
424	- if ( $~~options~~['action'] == 'update' && $~~options~~['type'] == 'plugin' && array_key_exists('plugins', $~~options~~) ) {
425	- foreach ( (array)$~~options~~['plugins'] as $each_plugin ) {
426	- if ( ~~preg_match("/^cache-enabler\//",~~ ~~$each_plugin)~~ ) {
427	- // we ~~got~~ ~~updated!~~
428	- ~~self::on_upgrade();~~







429	}
430	}
431	}
	@@ -433,77 +285,187 @@ final class Cache_Enabler {
433
434
435	/**
436	- * ~~upgrade~~ actions



437	*
438	- * @~~since~~ ~~1.2.3~~
439	*/
440
441	- public static function ~~on_upgrade~~() {
442	- ~~// copy advanced cache file which might have changed~~
443	- ~~copy(CE_DIR~~ . '/advanced-cache~~.php',~~ ~~WP_CONTENT_DIR~~ . ~~'/advanced-~~cache~~.php');~~









444	}
445
446
447	/**
448	- * ~~install~~ on ~~multisite~~ ~~setup~~























449	*
450	* @since 1.0.0
451	- * @change 1.0.0


452	*/
453
454	- public static function install_later($id) {
455
456	- // check if ~~multisite~~ ~~setup~~
457	- if ( ! is_plugin_active_for_network(CE_BASE) ) {
458	return;
459	}
460
461	// switch to blog
462	- switch_to_blog($id);
463
464	- // ~~installation~~
465	self::_install_backend();
466
467	- // restore
468	restore_current_blog();
469	}
470
471
472	/**
473	- * installation ~~options~~
474	*
475	* @since 1.0.0
476	- * @change 1.0.0
477	*/
478
479	private static function _install_backend() {
480
481	- ~~add_option(~~
482	- 'cache-enabler',
483	- array()
484	- );
485
486	- // ~~clear~~
487	- self::~~clear_total_cache~~(~~true~~);
488	}
489
490
491	/**
492	- * ~~installation~~ ~~WP_CACHE~~ ~~(advanced cache)~~








































































493	*
494	* @since 1.1.1
495	* @change 1.1.1


496	*/
497
498	- private static function _set_wp_cache($wp_cache_value = true) {

499	$wp_config_file = ABSPATH . 'wp-config.php';
500
501	if ( file_exists( $wp_config_file ) && is_writable( $wp_config_file ) ) {
502	- // get wp config as array
503	$wp_config = file( $wp_config_file );
504
505	- if ($wp_cache_value) {
506	- $wp_cache_ce_line = "define('WP_CACHE', true); // Added by Cache Enabler". "\r\n";
507	} else {
508	$wp_cache_ce_line = '';
509	}
	@@ -518,7 +480,7 @@ final class Cache_Enabler {
518	}
519	}
520
521	- // add wp ~~cache ce line~~ if not found ~~yet~~
522	if ( ! $found_wp_cache ) {
523	array_shift( $wp_config );
524	array_unshift( $wp_config, "<?php\r\n", $wp_cache_ce_line );
	@@ -536,89 +498,35 @@ final class Cache_Enabler {
536
537
538	/**
539	- * ~~uninstall~~ ~~per~~ ~~multisite blog~~
540	- *
541	- * @since 1.0.0
542	- * @change 1.0.0
543	- */
544	-
545	- public static function on_uninstall() {
546	- global $wpdb;
547	-
548	- // multisite and network
549	- if ( is_multisite() && ! empty($_GET['networkwide']) ) {
550	- // legacy blog
551	- $old = $wpdb->blogid;
552	-
553	- // blog id
554	- $ids = self::_get_blog_ids();
555	-
556	- // uninstall per blog
557	- foreach ($ids as $id) {
558	- switch_to_blog($id);
559	- self::_uninstall_backend();
560	- }
561	-
562	- // restore
563	- switch_to_blog($old);
564	- } else {
565	- self::_uninstall_backend();
566	- }
567	- }
568	-
569	-
570	- /**
571	- * uninstall for multisite and network
572	- *
573	- * @since 1.0.0
574	- * @change 1.0.0
575	- */
576	-
577	- public static function uninstall_later($id) {
578	-
579	- // check if network plugin
580	- if ( ! is_plugin_active_for_network(CE_BASE) ) {
581	- return;
582	- }
583	-
584	- // switch
585	- switch_to_blog($id);
586	-
587	- // uninstall
588	- self::_uninstall_backend();
589	-
590	- // restore
591	- restore_current_blog();
592	- }
593	-
594	-
595	- /**
596	- * uninstall
597	*
598	* @since 1.0.0
599	* @change 1.0.0
600	*/
601
602	- private static function ~~_uninstall_backend~~() {
603
604	- // ~~delete~~ options
605	- ~~delete_option~~(~~'cache-enabler'~~);
606
607	- // ~~clear~~ cache
608	- ~~self~~::~~clear_total_cache~~(~~true~~);


609	}
610
611
612	/**
613	- * get blog ~~ids~~
614	*
615	* @since 1.0.0
616	* @change 1.0.0
617	*
618	- * @return array blog ~~ids~~ array
619	*/
620
621	private static function _get_blog_ids() {

622	global $wpdb;
623
624	return $wpdb->get_col("SELECT blog_id FROM `$wpdb->blogs`");
	@@ -626,82 +534,103 @@ final class Cache_Enabler {
626
627
628	/**
629	- * ~~set~~ ~~default~~ ~~vars~~
630	*
631	- * @since 1.0.0
632	- * @change 1.0.0


633	*/
634
635	- private static function ~~_set_default_vars~~() {
636
637	- // ~~get options~~
638	- self::$options = self::_get_options();
639
640	- // ~~disk~~ ~~cache~~
641	- if ( Cache_Enabler_Disk::is_permalink() ) {
642	- self::$disk = new Cache_Enabler_Disk;
643	- }
644	}
645
646
647	/**
648	- * get options
649	*
650	* @since 1.0.0
651	- * @change 1.2.3
652	*
653	- * @return array options ~~array~~
654	*/
655
656	private static function _get_options() {
657
658	- // decom
659	- $ce_leg = get_option('cache');
660	- if (!empty($ce_leg)) {
661	- delete_option('cache');
662	add_option(
663	'cache-enabler',
664	$ce_leg
665	);
666	}
667















668	return wp_parse_args(
669	- get_option('cache-enabler'),
670	array(
671	- 'expires' => 0,
672	- '~~new_post~~' => 0,
673	- '~~new_comment~~' => 0,
674	- '~~compress~~' => 0,
675	- '~~webp~~' => 0,
676	- '~~clear_on_upgrade~~' => 0,
677	- '~~excl_ids~~' => '',
678	- '~~excl_regexp~~' => '',
679	- '~~excl_cookies~~' => '',
680	- '~~incl_attributes~~' => '',
681	- '~~minify_html~~' => ~~self::MINIFY_DISABLED~~,

682	)
683	);
684	}
685
686
687	/**
688	- * warning if no custom ~~permlinks~~
689	*
690	* @since 1.0.0
691	- * @change 1.0.0
692	- *
693	- * @return array options array
694	*/
695
696	public static function warning_is_permalink() {
697
698	- if ( !Cache_Enabler_Disk::is_permalink() && current_user_can('manage_options') ) { ?>
699	-
700	- <div class="error">
701	- <p><?php printf( __('The <b>%s</b> plugin requires a custom permalink structure to start caching properly. Please go to <a href="%s">Permalink</a> to enable it.', 'cache-enabler'), 'Cache Enabler', admin_url( 'options-permalink.php' ) ); ?></p>
702	- </div>
703
704	- ~~<?php~~













705	}
706	}
707
	@@ -716,10 +645,10 @@ final class Cache_Enabler {
716	* @return array $data appended links
717	*/
718
719	- public static function action_links($data) {
720
721	// check user role
722	- if ( ! current_user_can('manage_options') ) {
723	return $data;
724	}
725
	@@ -730,11 +659,11 @@ final class Cache_Enabler {
730	'<a href="%s">%s</a>',
731	add_query_arg(
732	array(
733	- 'page' => 'cache-enabler'
734	),
735	- admin_url('options-general.php')
736	),
737	- esc_html__('Settings')
738	)
739	)
740	);
	@@ -742,27 +671,27 @@ final class Cache_Enabler {
742
743
744	/**
745	- * ~~cache~~ ~~enabler~~ meta links
746	*
747	* @since 1.0.0
748	- * @change 1.0.0
749	*
750	* @param array $input existing links
751	* @param string $page page
752	* @return array $data appended links
753	*/
754
755	- public static function row_meta($input, $page) {
756
757	// check permissions
758	- if ( $page != CE_BASE ) {
759	return $input;
760	}
761
762	return array_merge(
763	$input,
764	array(
765	- '<a href="https://www.keycdn.com/support/wordpress-cache-enabler-plugin/" target="_blank">~~Support Page~~</a>',
766	)
767	);
768	}
	@@ -781,7 +710,7 @@ final class Cache_Enabler {
781	public static function add_dashboard_count( $items = array() ) {
782
783	// check user role
784	- if ( ! current_user_can('manage_options') ) {
785	return $items;
786	}
787
	@@ -789,17 +718,19 @@ final class Cache_Enabler {
789	$size = self::get_cache_size();
790
791	// display items
792	- $items[] = ~~sprintf~~(
793	- ~~'<a href="%s" title="%s">%s %s</a>',~~
794	- ~~add_query_arg(~~
795	- ~~array~~(
796	- ~~'page' => 'cache-enabler'~~



797	),
798	- ~~admin_url~~('~~options~~-~~general.php~~')
799	- ),
800	- esc_html__('~~Disk~~ ~~Cache~~', 'cache-enabler'),
801	- ~~( empty($size~~) ~~? esc_html__('Empty', 'cache-enabler') : size_format($size) ),~~
802	- esc_html__('Cache Size', 'cache-enabler')
803	);
804
805	return $items;
	@@ -812,14 +743,14 @@ final class Cache_Enabler {
812	* @since 1.0.0
813	* @change 1.0.0
814	*
815	- * @~~param~~ integer $size cache size (bytes)
816	*/
817
818	public static function get_cache_size() {
819
820	- if ( ! $size = get_transient('cache_size') ) {
821
822	- $size = is_object( self::$disk ) ? (int) self::$disk->cache_size(CE_CACHE_DIR) : 0;
823
824	// set transient
825	set_transient(
	@@ -833,44 +764,82 @@ final class Cache_Enabler {
833	}
834
835























836	/**
837	* add admin links
838	*
839	* @since 1.0.0
840	- * @change 1.1.0
841	- *
842	- * @hook mixed
843	*
844	* @param object menu properties


845	*/
846
847	- public static function add_admin_links($wp_admin_bar) {
848
849	// check user role
850	- if ( ! is_admin_bar_showing() OR ! apply_filters('user_can_clear_cache', current_user_can('manage_options')) ) {
851	return;
852	}
853
854	- // ~~add~~ ~~admin~~ clear ~~link~~



855	$wp_admin_bar->add_menu(
856	array(
857	- 'id' => 'clear-cache',
858	- 'href' => wp_nonce_url( add_query_arg(~~'_cache',~~ ~~'clear'), '_cache__clear_nonce'),~~




859	'parent' => 'top-secondary',
860	- 'title' => '<span class="ab-item">'.~~esc_html__('Clear~~ ~~Cache',~~ ~~'cache-enabler')~~.'</span>',
861	- 'meta' => array( ~~'title' => esc_html__('Clear Cache', 'cache-enabler') )~~


862	)
863	);
864

865	if ( ! is_admin() ) {
866	- // add admin clear link
867	$wp_admin_bar->add_menu(
868	array(
869	- 'id' => 'clear-url-cache',
870	- 'href' => wp_nonce_url( add_query_arg(~~'_cache',~~ ~~'clearurl'), '_cache__clear_nonce'),~~




871	'parent' => 'top-secondary',
872	- 'title' => '<span class="ab-item">'.esc_html__('Clear URL Cache', 'cache-enabler').'</span>',
873	- 'meta' => array( ~~'title' => esc_html__('Clear URL Cache', 'cache-enabler') )~~


874	)
875	);
876	}
	@@ -881,55 +850,50 @@ final class Cache_Enabler {
881	* process clear request
882	*
883	* @since 1.0.0
884	- * @change 1.1.0
885	*
886	* @param array $data array of metadata
887	*/
888
889	- public static function process_clear_request($data) {
890
891	// check if clear request
892	- if ( empty($_GET['_cache']) OR ( $_GET['_cache'] !== '~~clear~~' && $_GET['~~_cache~~'] !== 'clearurl' ) ) {





893	return;
894	}
895
896	// validate nonce
897	- if ( empty($_GET['_wpnonce']) OR ! wp_verify_nonce($_GET['_wpnonce'], ~~'_cache__clear_nonce'~~) ) {
898	return;
899	}
900
901	// check user role
902	- if ( ! is_admin_bar_showing() OR ! apply_filters('user_can_clear_cache', current_user_can('manage_options')) ) {
903	return;
904	}
905
906	- // load if network
907	- if ( ! function_exists('is_plugin_active_for_network') ) {
908	- require_once( ABSPATH. 'wp-admin/includes/plugin.php' );
909	}
910
911	- // set clear ~~url~~ ~~w/o query string~~
912	- ~~$clear_url~~ ~~= preg_replace(~~'~~/\?.*/~~', '', ~~home_url( add_query_arg( NULL, NULL~~ ) ));
913	-
914	- // multisite and network setup
915	- if ( is_multisite() && is_plugin_active_for_network(CE_BASE) ) {
916	-
917	- if ( is_network_admin() ) {
918	-
919	- // legacy blog
920	- $legacy = $GLOBALS['wpdb']->blogid;
921
922	- // ~~blog~~ ~~ids~~
923	- $~~ids~~ = ~~self::_get_blog_ids~~();
924
925	- // ~~switch~~ ~~blogs~~
926	- ~~foreach~~ (~~$ids~~ as ~~$id~~) {
927	- ~~switch_to_blog($id);~~
928	- ~~self::clear_page_cache_by_url~~(~~home_url~~());
929	- }
930	-
931	- // restore
932	- switch_to_blog($legacy);
933
934	// clear notice
935	if ( is_admin() ) {
	@@ -937,17 +901,18 @@ final class Cache_Enabler {
937	'network_admin_notices',
938	array(
939	__CLASS__,
940	- 'clear_notice'
941	)
942	);
943	}

944	} else {
945	- if ($_GET['~~_cache~~'] == 'clearurl') {
946	- // clear specific ~~multisite~~ ~~url~~ cache
947	- self::clear_page_cache_by_url($clear_url);
948	- } ~~else~~ {
949	- // clear specific ~~multisite~~ cache
950	- self::~~clear_page_cache_by_url~~(~~home_url~~());
951
952	// clear notice
953	if ( is_admin() ) {
	@@ -955,18 +920,19 @@ final class Cache_Enabler {
955	'admin_notices',
956	array(
957	__CLASS__,
958	- 'clear_notice'
959	)
960	);
961	}
962	}
963	}

964	} else {
965	- if ($_GET['~~_cache~~'] == 'clearurl') {
966	- // clear ~~url~~ cache
967	- self::clear_page_cache_by_url($clear_url);
968	- } ~~else~~ {
969	- // clear cache
970	self::clear_total_cache();
971
972	// clear notice
	@@ -975,7 +941,7 @@ final class Cache_Enabler {
975	'admin_notices',
976	array(
977	__CLASS__,
978	- 'clear_notice'
979	)
980	);
981	}
	@@ -985,7 +951,7 @@ final class Cache_Enabler {
985	if ( ! is_admin() ) {
986	wp_safe_redirect(
987	remove_query_arg(
988	- '~~_cache~~',
989	wp_get_referer()
990	)
991	);
	@@ -1007,13 +973,13 @@ final class Cache_Enabler {
1007	public static function clear_notice() {
1008
1009	// check if admin
1010	- if ( ! is_admin_bar_showing() OR ! apply_filters('user_can_clear_cache', current_user_can('manage_options')) ) {
1011	return false;
1012	}
1013
1014	echo sprintf(
1015	'<div class="notice notice-success is-dismissible"><p>%s</p></div>',
1016	- esc_html__('The cache has been cleared.', 'cache-enabler')
1017	);
1018	}
1019
	@@ -1022,22 +988,21 @@ final class Cache_Enabler {
1022	* clear cache if post comment
1023	*
1024	* @since 1.2.0
1025	- * @change 1.2.0
1026	*
1027	- * @param integer $id id ~~of the comment~~
1028	- * @param mixed $approved approval status
1029	*/
1030
1031	- public static function comment_post($id, $approved) {
1032
1033	// check if comment is approved
1034	if ( $approved === 1 ) {

1035	if ( self::$options['new_comment'] ) {
1036	self::clear_total_cache();
1037	} else {
1038	- self::clear_page_cache_by_post_id(
1039	- get_comment($id)->comment_post_ID
1040	- );
1041	}
1042	}
1043	}
	@@ -1047,20 +1012,18 @@ final class Cache_Enabler {
1047	* clear cache if edit comment
1048	*
1049	* @since 1.0.0
1050	- * @change 1.0.0
1051	*
1052	- * @param integer $id id ~~of the comment~~
1053	*/
1054
1055	- public static function edit_comment($id) {
1056
1057	- // clear complete cache if ~~option~~ ~~enabled~~
1058	if ( self::$options['new_comment'] ) {
1059	self::clear_total_cache();
1060	} else {
1061	- self::clear_page_cache_by_post_id(
1062	- get_comment($id)->comment_post_ID
1063	- );
1064	}
1065	}
1066
	@@ -1076,10 +1039,11 @@ final class Cache_Enabler {
1076	* @return mixed $approved approval status
1077	*/
1078
1079	- public static function new_comment($approved, $comment) {
1080
1081	// check if comment is approved
1082	if ( $approved === 1 ) {

1083	if ( self::$options['new_comment'] ) {
1084	self::clear_total_cache();
1085	} else {
	@@ -1092,7 +1056,7 @@ final class Cache_Enabler {
1092
1093
1094	/**
1095	- * clear cache if comment changes
1096	*
1097	* @since 1.0.0
1098	* @change 1.0.0
	@@ -1102,10 +1066,11 @@ final class Cache_Enabler {
1102	* @param object $comment
1103	*/
1104
1105	- public static function change_comment($after_status, $before_status, $comment) {
1106
1107	// check if changes occured
1108	- if ( $after_status != $before_status ) {

1109	if ( self::$options['new_comment'] ) {
1110	self::clear_total_cache();
1111	} else {
	@@ -1119,39 +1084,38 @@ final class Cache_Enabler {
1119	* register publish hooks for custom post types
1120	*
1121	* @since 1.0.0
1122	- * @~~since~~ 1.2.3
1123	- *
1124	- * @param void
1125	- * @return void
1126	*/
1127
1128	public static function register_publish_hooks() {
1129
1130	// get post types
1131	$post_types = get_post_types(
1132	- array(~~'public' => true)~~


1133	);
1134
1135	// check if empty
1136	- if ( empty($post_types) ) {
1137	return;
1138	}
1139
1140	// post type actions
1141	foreach ( $post_types as $post_type ) {
1142	add_action(
1143	- 'publish_' .$post_type,
1144	array(
1145	__CLASS__,
1146	- 'publish_post_types'
1147	),
1148	10,
1149	2
1150	);
1151	add_action(
1152	- 'publish_future_' .$post_type,
1153	function( $post_id ) {
1154	- // clear complete cache if ~~option~~ ~~enabled~~
1155	if ( self::$options['new_post'] ) {
1156	self::clear_total_cache();
1157	} else {
	@@ -1167,27 +1131,27 @@ final class Cache_Enabler {
1167	* delete post type cache on post updates
1168	*
1169	* @since 1.0.0
1170	- * @change 1.0.7
1171	*
1172	- * @param integer $~~post_ID~~ ~~Post~~ ID
1173	*/
1174
1175	- public static function publish_post_types($~~post_ID~~, $post) {
1176
1177	- // check if post id or post is empty
1178	- if ( empty($~~post_ID~~) OR empty($post) ) {
1179	return;
1180	}
1181
1182	// check post status
1183	- if ( ! in_array( $post->post_status, array('publish', 'future') ) ) {
1184	return;
1185	}
1186
1187	- // clear cache if ~~clean~~ post ~~on update~~
1188	- if ( ! isset($_POST['_clear_post_cache_on_update']) ) {
1189
1190	- // clear complete cache if ~~option~~ ~~enabled~~
1191	if ( self::$options['new_post'] ) {
1192	return self::clear_total_cache();
1193	} else {
	@@ -1197,17 +1161,17 @@ final class Cache_Enabler {
1197	}
1198
1199	// validate nonce
1200	- if ( ! isset($_POST['_cache__status_nonce_' ~~.$post_ID~~]) OR ! wp_verify_nonce($_POST['_cache__status_nonce_' ~~.$post_ID~~], CE_BASE) ) {
1201	return;
1202	}
1203
1204	// validate user role
1205	- if ( ! current_user_can('publish_posts') ) {
1206	return;
1207	}
1208
1209	- // ~~save~~ as ~~integer~~
1210	- $clear_post_cache = (int)$_POST['_clear_post_cache_on_update'];
1211
1212	// save user metadata
1213	update_user_meta(
	@@ -1216,64 +1180,83 @@ final class Cache_Enabler {
1216	$clear_post_cache
1217	);
1218
1219	- // clear ~~complete~~ cache or ~~specific~~ ~~post~~
1220	if ( $clear_post_cache ) {
1221	- self::~~clear_page_cache_by_post_id~~( ~~$post_ID~~ );
1222	} else {


















1223	self::clear_total_cache();
1224	}



1225	}
1226
1227
1228	/**
1229	- * clear page cache by post id
1230	*
1231	* @since 1.0.0
1232	- * @change 1.0.0
1233	*
1234	- * @param integer $~~post_ID~~ ~~Post~~ ID
1235	*/
1236
1237	- public static function clear_page_cache_by_post_id($~~post_ID~~) {
1238
1239	- // is ~~int~~
1240	- if ( ! $~~post_ID~~ ~~= (int~~)~~$post_ID~~ ) {
1241	return;
1242	}
1243
1244	- // clear cache ~~by URL~~
1245	- self::clear_page_cache_by_url(
1246	- get_permalink( $post_ID )
1247	- );
1248	}
1249
1250
1251	/**
1252	- * clear page cache by ~~url~~
1253	*
1254	* @since 1.0.0
1255	* @change 1.2.3
1256	*
1257	- * @param string $url ~~url~~ of a page
1258	*/
1259
1260	- public static function clear_page_cache_by_url($url) {
1261
1262	// validate string
1263	- if ( ! $url ~~= (string~~)~~$url~~ ) {
1264	return;
1265	}
1266
1267	call_user_func(
1268	array(
1269	self::$disk,
1270	- 'delete_asset'
1271	),
1272	$url
1273	);
1274
1275	- // clear cache by ~~url~~ post hook
1276	- do_action('ce_action_cache_by_url_cleared');
1277	}
1278
1279
	@@ -1282,7 +1265,6 @@ final class Cache_Enabler {
1282	*
1283	* @since 1.0.7
1284	* @change 1.2.3
1285	- *
1286	*/
1287
1288	public static function clear_home_page_cache() {
	@@ -1290,100 +1272,135 @@ final class Cache_Enabler {
1290	call_user_func(
1291	array(
1292	self::$disk,
1293	- 'clear_home'
1294	)
1295	);
1296
1297	// clear home page cache post hook
1298	- do_action('ce_action_home_page_cache_cleared');
1299	}
1300
1301
1302	/**
1303	- * ~~check~~ if ~~index.php~~
1304	*
1305	- * @since 1.0.0
1306	- * @change 1.0.0
1307	*
1308	- * @~~return~~ ~~boolean~~ ~~true~~ ~~if index.php~~
1309	*/
1310
1311	- ~~private~~ static function ~~_is_index~~() {
1312	- ~~return strtolower(basename($_SERVER['SCRIPT_NAME'])) != 'index.php';~~






















































1313	}
1314
1315
1316	/**
1317	- * check if ~~mobile~~
1318	*
1319	* @since 1.0.0
1320	* @change 1.0.0
1321	*
1322	- * @return boolean true if ~~mobile~~
1323	*/
1324
1325	- private static function ~~_is_mobile~~() {
1326	- ~~return ( strpos(TEMPLATEPATH, 'wptouch') OR strpos(TEMPLATEPATH, 'carrington') OR strpos(TEMPLATEPATH, 'jetpack') OR strpos(TEMPLATEPATH, 'handheld') );~~

1327	}
1328
1329
1330	/**
1331	- * check if ~~logged in~~
1332	*
1333	* @since 1.0.0
1334	* @change 1.0.0
1335	*
1336	- * @return boolean true if ~~logged in or cookie set~~
1337	*/
1338
1339	- private static function ~~_is_logged_in~~() {
1340	-
1341	- // check if logged in
1342	- if ( is_user_logged_in() ) {
1343	- return true;
1344	- }
1345	-
1346	- // check cookie
1347	- if ( empty($_COOKIE) ) {
1348	- return false;
1349	- }
1350	-
1351	- // check cookie values
1352	- $options = self::$options;
1353	- if ( !empty($options['excl_cookies']) ) {
1354	- $cookies_regex = $options['excl_cookies'];
1355	- } else {
1356	- $cookies_regex = '/^(wp-postpass\|wordpress_logged_in\|comment_author)_/';
1357	- }
1358
1359	- ~~foreach~~ ( ~~$_COOKIE~~ as $k => $v) {
1360	- if ( preg_match($cookies_regex, $k) ) {
1361	- return true;
1362	- }
1363	- }
1364	}
1365
1366
1367	/**
1368	- * check if there are ~~post~~ to be published in the future
1369	*
1370	* @since 1.2.3
1371	- *
1372	- * @return void
1373	- *
1374	*/
1375
1376	public static function check_future_posts() {
1377
1378	- $future_posts = new WP_Query(~~array('post_status'~~ => array(~~'future')));~~


1379
1380	if ( $future_posts->have_posts() ) {
1381	- $post_dates = array_column($future_posts->get_posts(), "post_date");
1382	- sort($post_dates);
1383	- ~~Cache_Enabler_Disk::record_advcache_settings(array(~~
1384	- ~~"cache_timeout"~~ ~~=> strtotime~~(~~$post_dates[0])));~~


1385	} else {
1386	- Cache_Enabler_Disk::delete_advcache_settings(array("cache_timeout"));
1387	}
1388	}
1389
	@@ -1392,65 +1409,85 @@ final class Cache_Enabler {
1392	* check to bypass the cache
1393	*
1394	* @since 1.0.0
1395	- * @change 1.2.3
1396	*
1397	- * @return boolean true if exception
1398	*
1399	- * @hook boolean ~~bypass cache~~
1400	*/
1401
1402	private static function _bypass_cache() {
1403
1404	// bypass cache hook
1405	- if ( apply_filters('bypass_cache', false) ) {
1406	return true;
1407	}
1408
1409	- // ~~conditional~~ ~~tags~~
1410	- if ( ~~self::_is_index()~~ ~~OR is_search~~() OR ~~is_404(~~) OR ~~is_feed()~~ OR ~~is_trackback()~~ ~~OR is_robots(~~) ~~OR is_preview() OR post_password_required() )~~ {
1411	return true;
1412	}
1413
1414	- // ~~DONOTCACHEPAGE~~ check ~~e.g.~~ ~~woocommerce~~
1415	- if ( ~~defined~~(~~'DONOTCACHEPAGE'~~) && ~~DONOTCACHEPAGE~~ ) {
1416	return true;
1417	}
1418
1419	- // ~~cache~~ ~~enabler options~~
1420	- ~~$options~~ = ~~self::$options;~~
1421	-
1422	- // Request method GET
1423	- if ( ! isset( $_SERVER['REQUEST_METHOD'] ) \|\| $_SERVER['REQUEST_METHOD'] != 'GET' ) {
1424	return true;
1425	}
1426
1427	- // ~~Request~~ ~~with~~ ~~query strings~~
1428	- if ( ~~! empty~~(~~$_GET~~) ~~&& ! isset( $_GET['utm_source'], $_GET['utm_medium'], $_GET['utm_campaign']~~ ) ~~&& get_option('permalink_structure') )~~ {
1429	return true;
1430	}
1431
1432	- // if ~~logged~~ in
1433	- if ( self~~::_is_logged_in() ) {~~
1434	- return true;
1435	- }
1436
1437	- // if ~~mobile~~ ~~request~~
1438	- if ( ~~self::_is_mobile~~() ) {
1439	- ~~return~~ ~~true;~~


1440	}
1441
1442	- // if ~~post~~ id excluded
1443	- if ( $options['~~excl_ids~~'] ~~&& is_singular(~~) ) {
1444	- if ( ~~in_array~~( $~~GLOBALS~~['~~wp_query~~']~~->get_queried_object_id()~~, ~~(array)explode(',',~~ ~~$options['excl_ids']~~) ~~) ) {~~


1445	return true;
1446	}
1447	}
1448
1449	- // if ~~post path excluded~~
1450	- if ( !empty($~~options['excl_regexp']~~) ) {
1451	- ~~$url_path~~ = ~~parse_url($_SERVER['REQUEST_URI'],~~ ~~PHP_URL_PATH);~~












1452
1453	- if ( ~~preg_match($options['excl_regexp'],~~ ~~$url_path)~~ ~~) {~~









1454	return true;
1455	}
1456	}
	@@ -1460,7 +1497,7 @@ final class Cache_Enabler {
1460
1461
1462	/**
1463	- * minify ~~html~~
1464	*
1465	* @since 1.0.0
1466	* @change 1.0.0
	@@ -1471,30 +1508,30 @@ final class Cache_Enabler {
1471	* @hook array cache_minify_ignore_tags
1472	*/
1473
1474	- private static function _minify_cache($data) {
1475
1476	// check if disabled
1477	if ( ! self::$options['minify_html'] ) {
1478	return $data;
1479	}
1480
1481	- // ~~strlen~~ limit
1482	- if ( strlen($data) > 700000) {
1483	return $data;
1484	}
1485
1486	- // ~~ignore~~ ~~this~~ ~~tags~~
1487	- $ignore_tags = (array)apply_filters(
1488	'cache_minify_ignore_tags',
1489	array(
1490	'textarea',
1491	- 'pre'
1492	)
1493	);
1494
1495	// ignore JS if selected
1496	if ( self::$options['minify_html'] !== self::MINIFY_HTML_JS ) {
1497	- $ignore_tags[] = 'script';
1498	}
1499
1500	// return of no ignore tags
	@@ -1503,23 +1540,23 @@ final class Cache_Enabler {
1503	}
1504
1505	// stringify
1506	- $ignore_regex = implode('\|', $ignore_tags);
1507
1508	// regex minification
1509	$cleaned = preg_replace(
1510	array(
1511	'/<!--[^\[><](.*?)-->/s',
1512	- '#(?ix)(?>[^\S ]\s\|\s{2,})(?=(?:(?:[^<]++\|<(?!/?(?:' .$ignore_regex. ')\b))+)(?:<(?>' .$ignore_regex. ')\b\|\z))#'
1513	),
1514	array(
1515	'',
1516	- ' '
1517	),
1518	$data
1519	);
1520
1521	// something went wrong
1522	- if ( strlen($cleaned) <= 1 ) {
1523	return $data;
1524	}
1525
	@@ -1531,36 +1568,46 @@ final class Cache_Enabler {
1531	* clear complete cache
1532	*
1533	* @since 1.0.0
1534	- * @change 1.2.3
1535	*/
1536
1537	public static function clear_total_cache() {
1538	- // we need this here to update advanced-cache.php for the 1.2.3 upgrade
1539	- self::on_upgrade();
1540
1541	// clear disk cache
1542	Cache_Enabler_Disk::clear_cache();
1543
1544	// delete transient
1545	- delete_transient('cache_size');
1546
1547	// clear cache post hook
1548	- do_action('ce_action_cache_cleared');
1549	}
1550
1551
1552	/**
1553	- * ~~Act on~~ WooCommerce stock ~~changes~~
1554	*
1555	- * @since 1.3.0



1556	*/
1557
1558	- public static function ~~woocommerce_product_set_stock~~($product) {
1559	- self::woocommerce_product_set_stock_status($product->get_id());
1560	- }
1561
1562	- ~~public~~ ~~static~~ ~~function~~ ~~woocommerce_product_set_stock_status($product_id) {~~
1563	- ~~self::clear_total_cache~~();











1564	}
1565
1566
	@@ -1568,28 +1615,30 @@ final class Cache_Enabler {
1568	* set cache
1569	*
1570	* @since 1.0.0
1571	- * @change 1.0.0
1572	*
1573	* @param string $data content of a page
1574	* @return string $data content of a page


1575	*/
1576
1577	- public static function set_cache($data) {
1578
1579	// check if empty
1580	- if ( empty($data) ) {
1581	return '';
1582	}
1583
1584	- $data = apply_filters('cache_enabler_before_store', $data);
1585
1586	// store as asset
1587	call_user_func(
1588	array(
1589	self::$disk,
1590	- 'store_asset'
1591	),
1592	- self::_minify_cache($data)
1593	);
1594
1595	return $data;
	@@ -1600,7 +1649,7 @@ final class Cache_Enabler {
1600	* handle cache
1601	*
1602	* @since 1.0.0
1603	- * @change 1.0.1
1604	*/
1605
1606	public static function handle_cache() {
	@@ -1614,32 +1663,32 @@ final class Cache_Enabler {
1614	$cached = call_user_func(
1615	array(
1616	self::$disk,
1617	- 'check_asset'
1618	)
1619	);
1620
1621	- // check if cache empty
1622	- if ( empty($cached) ) {
1623	- ob_start('Cache_Enabler::set_cache');





1624	return;
1625	}
1626
1627	- // get expiry status
1628	$expired = call_user_func(
1629	array(
1630	self::$disk,
1631	- 'check_expiry'
1632	)
1633	);
1634
1635	- // check if expired
1636	if ( $expired ) {
1637	- ob_start('Cache_Enabler::set_cache');
1638	- return;
1639	- }
1640	-
1641	- // check if we are missing a trailing slash
1642	- if ( self::missing_trailing_slash() ) {
1643	return;
1644	}
1645
	@@ -1647,7 +1696,7 @@ final class Cache_Enabler {
1647	call_user_func(
1648	array(
1649	self::$disk,
1650	- 'get_asset'
1651	)
1652	);
1653	}
	@@ -1657,26 +1706,26 @@ final class Cache_Enabler {
1657	* add clear option dropdown on post publish widget
1658	*
1659	* @since 1.0.0
1660	- * @change 1.0.0
1661	*/
1662
1663	public static function add_clear_dropdown() {
1664
1665	- // on published post page only
1666	- if ( empty($GLOBALS['pagenow']) OR $GLOBALS['pagenow'] !== 'post.php' OR empty($GLOBALS['post']) OR ! is_object($GLOBALS['post']) OR $GLOBALS['post']->post_status !== 'publish' ) {
1667	return;
1668	}
1669
1670	// check user role
1671	- if ( ! current_user_can('publish_posts') ) {
1672	return;
1673	}
1674
1675	// validate nonce
1676	- wp_nonce_field(CE_BASE, '_cache__status_nonce_' .$GLOBALS['post']->ID);
1677
1678	- // get current action
1679	- $current_action = (int)get_user_meta(
1680	get_current_user_id(),
1681	'_clear_post_cache_on_update',
1682	true
	@@ -1685,25 +1734,25 @@ final class Cache_Enabler {
1685	// init variables
1686	$dropdown_options = '';
1687	$available_options = array(
1688	- esc_html__('~~Completely~~', 'cache-enabler'),
1689	- esc_html__(~~'Page~~ ~~specific~~', 'cache-enabler')
1690	);
1691
1692	// set dropdown options
1693	- foreach( $available_options as $key => $value ) {
1694	$dropdown_options .= sprintf(
1695	'<option value="%1$d" %3$s>%2$s</option>',
1696	$key,
1697	$value,
1698	- selected($key, $current_action, false)
1699	);
1700	}
1701
1702	- // output ~~drowdown~~
1703	echo sprintf(
1704	'<div class="misc-pub-section" style="border-top:1px solid #eee">
1705	<label for="cache_action">
1706	- %1$s: <~~span~~ id="output-cache-action">%2$s</~~span~~>
1707	</label>
1708	<a href="#" class="edit-cache-action hide-if-no-js">%3$s</a>
1709
	@@ -1713,15 +1762,15 @@ final class Cache_Enabler {
1713	</select>
1714
1715	<a href="#" class="save-cache-action hide-if-no-js button">%5$s</a>
1716	- <a href="#" class="cancel-cache-action hide-if-no-js button-cancel">%6$s</a>
1717	</div>
1718	</div>',
1719	- esc_html__('Clear cache', 'cache-enabler'),
1720	- $available_options[$current_action],
1721	- esc_html__('Edit'),
1722	$dropdown_options,
1723	- esc_html__('OK'),
1724	- esc_html__('Cancel')
1725	);
1726	}
1727
	@@ -1733,7 +1782,7 @@ final class Cache_Enabler {
1733	* @change 1.0.0
1734	*/
1735
1736	- public static function add_admin_resources($hook) {
1737
1738	// hook check
1739	if ( $hook !== 'index.php' && $hook !== 'post.php' ) {
	@@ -1741,16 +1790,16 @@ final class Cache_Enabler {
1741	}
1742
1743	// plugin data
1744	- $plugin_data = get_plugin_data(CE_FILE);
1745
1746	// enqueue scripts
1747	- switch($hook) {
1748
1749	case 'post.php':
1750	wp_enqueue_script(
1751	'cache-post',
1752	- plugins_url('js/post.js', CE_FILE),
1753	- array('jquery'),
1754	$plugin_data['Version'],
1755	true
1756	);
	@@ -1778,7 +1827,7 @@ final class Cache_Enabler {
1778	'cache-enabler',
1779	array(
1780	__CLASS__,
1781	- 'settings_page'
1782	)
1783	);
1784	}
	@@ -1790,39 +1839,36 @@ final class Cache_Enabler {
1790	* @since 1.0.0
1791	* @change 1.0.0
1792	*
1793	- * @return array ~~Key~~ => ~~value array~~
1794	*/
1795
1796	private static function _minify_select() {
1797
1798	return array(
1799	- self::MINIFY_DISABLED => esc_html__('Disabled', 'cache-enabler'),
1800	- self::MINIFY_HTML_ONLY => esc_html__('HTML', 'cache-enabler'),
1801	- self::MINIFY_HTML_JS => esc_html__('HTML & Inline JS', 'cache-enabler')
1802	);
1803	}
1804
1805
1806	/**
1807	- * ~~Check~~ plugin requirements
1808	*
1809	* @since 1.1.0
1810	- * @change 1.1.0
1811	*/
1812
1813	public static function requirements_check() {
1814
1815	- // cache enabler options
1816	- $options = self::$options;
1817	-
1818	// WordPress version check
1819	- if ( version_compare($GLOBALS['wp_version'], CE_MIN_WP.'alpha', '<') ) {
1820	show_message(
1821	sprintf(
1822	'<div class="error"><p>%s</p></div>',
1823	sprintf(
1824	- __('The ~~<b>%~~s~~</b>~~ is optimized for WordPress %s. Please disable the plugin or upgrade your WordPress installation (recommended).', 'cache-enabler'),
1825	- 'Cache Enabler',
1826	CE_MIN_WP
1827	)
1828	)
	@@ -1830,31 +1876,39 @@ final class Cache_Enabler {
1830	}
1831
1832	// permission check
1833	- if ( file_exists( CE_CACHE_DIR ) && !is_writable( CE_CACHE_DIR ) ) {
1834	show_message(
1835	sprintf(
1836	'<div class="error"><p>%s</p></div>',
1837	sprintf(
1838	- __('The ~~<b>%~~s~~</b>~~ requires write permissions %s on %s. Please ~~<a href="%s" target="_blank">~~change the ~~permissions</a>.~~', 'cache-enabler'),
1839	- 'Cache Enabler',
1840	'<code>755</code>',
1841	'<code>wp-content/cache</code>',
1842	- ~~'http://codex.wordpress.org/Changing_File_Permissions',~~
1843	- ~~CE_MIN_WP~~



1844	)
1845	)
1846	);
1847	}
1848
1849	// autoptimize minification check
1850	- if ( defined('AUTOPTIMIZE_PLUGIN_DIR') && $options['minify_html'] && get_option('autoptimize_html', '') != '' ) {
1851	show_message(
1852	sprintf(
1853	'<div class="error"><p>%s</p></div>',
1854	sprintf(
1855	- __('The ~~<b>%~~s~~</b>~~ plugin is already active. Please disable ~~minification~~ in the ~~<b>%~~s~~</b> settings~~.', 'cache-enabler'),
1856	- 'Autoptimize',
1857	- 'Cache ~~Enabler~~'





1858	)
1859	)
1860	);
	@@ -1871,6 +1925,7 @@ final class Cache_Enabler {
1871
1872	public static function register_textdomain() {
1873

1874	load_plugin_textdomain(
1875	'cache-enabler',
1876	false,
	@@ -1878,35 +1933,6 @@ final class Cache_Enabler {
1878	);
1879	}
1880
1881	- /**
1882	- * missing training slash
1883	- *
1884	- * we only have to really check that in advanced-cache.php
1885	- *
1886	- * @since 1.2.3
1887	- *
1888	- * @return boolean true if we need to redirct, otherwise false
1889	- */
1890	-
1891	- public static function missing_trailing_slash() {
1892	- if ( ($permalink_structure = get_option('permalink_structure')) &&
1893	- preg_match("/\/$/", $permalink_structure) ) {
1894	-
1895	- // record permalink structure for advanced-cache
1896	- Cache_Enabler_Disk::record_advcache_settings(array(
1897	- "permalink_trailing_slash" => true
1898	- ));
1899	-
1900	- if ( ! preg_match("/\/(\|\?.*)$/", $_SERVER["REQUEST_URI"]) ) {
1901	- return true;
1902	- }
1903	- } else {
1904	- Cache_Enabler_Disk::delete_advcache_settings(array(
1905	- "permalink_trailing_slash"));
1906	- }
1907	-
1908	- return false;
1909	- }
1910
1911	/**
1912	* register settings
	@@ -1922,33 +1948,71 @@ final class Cache_Enabler {
1922	'cache-enabler',
1923	array(
1924	__CLASS__,
1925	- 'validate_settings'
1926	)
1927	);
1928	}
1929
1930
1931	/**
1932	- * ~~validate~~ ~~regexps~~





































1933	*
1934	* @since 1.2.3

1935	*
1936	- * @param string $re string containing ~~regexps~~
1937	- * @return string string containing ~~regexps~~ or ~~emty~~ string if input invalid
1938	*/
1939
1940	- public static function ~~validate_regexps~~($re) {
1941	- if ( $re != '' ) {
1942
1943	- if ( ! ~~preg_match(~~'~~/^\/.*\/$/~~', ~~$re~~) ) {
1944	- ~~$re~~ = '/'.$re~~.'/';~~

1945	}
1946
1947	- if ( @preg_match($re, null) === false ) {
1948	return '';
1949	}
1950
1951	- return sanitize_text_field($re);
1952	}
1953
1954	return '';
	@@ -1958,69 +2022,67 @@ final class Cache_Enabler {
1958	* validate settings
1959	*
1960	* @since 1.0.0
1961	- * @change 1.2.3
1962	*
1963	- * @param array $data ~~array~~ form data
1964	- * @return array ~~array~~ form data ~~valid~~
1965	*/
1966
1967	- public static function validate_settings($data) {
1968
1969	// check if empty
1970	- if ( empty($data) ) {
1971	return;
1972	}
1973
1974	- // ~~clear~~ ~~complete~~ cache
1975	- ~~self::clear_total_cache~~(~~true~~);


1976
1977	- // ignore ~~result,~~ ~~but~~ call ~~for~~ ~~settings~~ recording
1978	- self::~~missing_trailing_slash~~();
1979
1980	- // record expiry ~~time value~~ for advanced-cache~~.php~~
1981	if ( $data['expires'] > 0 ){
1982	- Cache_Enabler_Disk::record_advcache_settings(array(
1983	- "expires" => $data['expires']~~));~~
1984	- } ~~else {~~
1985	- Cache_Enabler_Disk::delete_advcache_settings(array("expires"));
1986	- }
1987	-
1988	- // path bypass regexp
1989	- if ( strlen($data["excl_regexp"]) > 0 ) {
1990	- Cache_Enabler_Disk::record_advcache_settings(array(
1991	- "excl_regexp" => $data["excl_regexp"]));
1992	} else {
1993	- Cache_Enabler_Disk::delete_advcache_settings(array(~~"excl_regexp"~~));
1994	}
1995
1996	- // ~~custom~~ ~~cookie~~ ~~exceptions~~
1997	- if ( strlen($data["excl_cookies"]) > 0 ) {
1998	- Cache_Enabler_Disk::record_advcache_settings(array(
1999	- "excl_cookies" => $data["excl_cookies"]~~));~~

2000	} else {
2001	- Cache_Enabler_Disk::delete_advcache_settings(array("excl_cookies"));
2002	}
2003
2004	- // ~~custom~~ ~~GET~~ ~~attribute~~ ~~exceptions~~
2005	- if ( strlen($data[~~"incl_attributes"~~]) > 0 ) {
2006	- Cache_Enabler_Disk::record_advcache_settings(array(
2007	- ~~"incl_attributes"~~ => $data[~~"incl_attributes"~~]~~));~~

2008	} else {
2009	- Cache_Enabler_Disk::delete_advcache_settings(array(~~"incl_attributes"~~));
2010	}
2011
2012	return array(
2013	- 'expires' => (int)$data['expires'],
2014	- '~~new_post~~' => (int)(!empty($data['~~new_post~~'])),
2015	- '~~new_comment~~' => (int)(!empty($data['~~new_comment~~'])),
2016	- '~~webp~~' => (int)(!empty($data['~~webp~~'])),
2017	- '~~clear_on_upgrade~~' => (int)(!empty($data['~~clear_on_upgrade~~'])),
2018	- '~~compress~~' => (int)(!empty($data['~~compress~~'])),
2019	- '~~excl_ids~~' => (~~string~~)~~sanitize_text_field~~(@$data['~~excl_ids~~']),
2020	- '~~excl_regexp~~' => (string)~~self::validate_regexps~~(@$data['~~excl_regexp~~']),
2021	- '~~excl_cookies~~' => (string)self::~~validate_regexps~~(@$data['~~excl_cookies~~']),
2022	- '~~incl_attributes~~' => (string)self::~~validate_regexps~~(@$data['~~incl_attributes~~']),
2023	- '~~minify_html~~' => (~~int~~)$data['~~minify_html~~']

2024	);
2025	}
2026
	@@ -2029,92 +2091,104 @@ final class Cache_Enabler {
2029	* settings page
2030	*
2031	* @since 1.0.0
2032	- * @change 1.2.3
2033	*/
2034
2035	public static function settings_page() {
2036
2037	- // wp ~~cache~~ check
2038	- if ( !defined('WP_CACHE') \|\| !WP_CACHE ) {
2039	- ~~echo sprintf~~(
2040	- '<div class="notice notice-warning"><p>%s</p></div>',
2041	sprintf(
2042	- ~~__("%s~~ ~~is not set in %s.~~", ~~'cache~~-~~enabler~~'),
2043	- ~~"<code>define~~(~~'WP_CACHE', true);</code>",~~
2044	- ~~"wp~~-~~config.php"~~



2045	)
2046	);
2047	}
2048
2049	?>
2050
2051	- <div ~~class="wrap"~~ id="cache-settings">
2052	<h2>
2053	- <?php _e("Cache Enabler Settings", "cache-enabler") ?>
2054	</h2>
2055
2056	<div class="notice notice-info" style="margin-bottom: 35px;">
2057	- <p~~><?php printf( __('Combine <b><a href="%s">%s</a></b~~> with Cache Enabler for even better WordPress performance and achieve the next level of caching with a CDN.', 'cache-enabler'), 'https://www.keycdn.com?utm_source=wp-admin&utm_medium=plugins&utm_campaign=cache-enabler', 'KeyCDN'); ?></p>







2058	</div>
2059
2060	- <p><?php $size=self::get_cache_size(); printf( __("Current cache size: <b>%s</b>", "cache-enabler"), ( empty($size) ? esc_html__("Empty", "cache-enabler") : size_format($size) ) ); ?></p>
2061	-
2062	<form method="post" action="options.php">
2063	- <?php settings_fields('cache-enabler') ?>
2064	-
2065	- <?php $options = self::_get_options() ?>
2066	-
2067	<table class="form-table">
2068	<tr valign="top">
2069	<th scope="row">
2070	- <?php _e("Cache Expiry", "cache-enabler") ?>
2071	</th>
2072	<td>
2073	- <~~fieldset>~~
2074	- <~~label~~ ~~for~~="~~cache_expires~~">
2075	- <input type="text" name="cache-enabler[expires]" id="cache_expires" value="<?php echo esc_attr($options['expires']) ?>" />
2076	- <p class="description"><?php _e("Cache expiry in hours. An expiry time of 0 means that the cache never expires.", "cache-enabler"); ?></p>
2077	- </label>
2078	- </fieldset>
2079	</td>
2080	</tr>
2081	<tr valign="top">
2082	<th scope="row">
2083	- <?php _e("Cache Behavior", "cache-enabler") ?>
2084	</th>
2085	<td>
2086	<fieldset>








2087	<label for="cache_new_post">
2088	- <input ~~type="checkbox"~~ name="cache-enabler[new_post]" id="cache_new_post" value="1" <?php checked('1', $options['new_post']); ?> />
2089	- <?php _e("Clear the complete cache if a new post has been published (instead of only the home page cache).", "cache-enabler") ?>
2090	</label>
2091
2092	<br />
2093
2094	<label for="cache_new_comment">
2095	- <input ~~type="checkbox"~~ name="cache-enabler[new_comment]" id="cache_new_comment" value="1" <?php checked('1', $options['new_comment']); ?> />
2096	- <?php _e("Clear the complete cache if a new comment has been posted (instead of only the page specific cache).", "cache-enabler") ?>
2097	</label>
2098
2099	<br />
2100
2101	- ~~<label~~ ~~for="cache_compress">~~
2102	- <~~input~~ ~~type~~="~~checkbox~~" ~~name="cache-enabler[compress]" id="cache_compress" value="1" <?php checked('1', $options['compress']); ?> />~~
2103	- ~~<?php~~ ~~_e(~~"~~Pre~~-~~compression~~ of ~~cached~~ ~~pages.~~ ~~Needs~~ to be ~~disabled~~ ~~if the decoding fails in the web browser.", "cache-enabler"~~) ?>


2104	</label>
2105
2106	<br />

2107
2108	- <label for="~~cache_webp~~">
2109	- <input ~~type="checkbox"~~ name="cache-enabler[~~webp~~]" id="~~cache_webp~~" value="1" <?php checked('1', $options['~~webp~~']); ?> />
2110	- <?php _e(~~"Create~~ an ~~additional~~ cached ~~version~~ ~~for~~ ~~WebP~~ ~~image~~ ~~support.~~ ~~Convert~~ ~~your~~ ~~images~~ to ~~WebP~~ ~~with~~ <a ~~href=\"https://optimus~~.~~io/en/\" target=\"_blank\">Optimus</a>."~~, "cache-enabler") ?>
2111	</label>
2112
2113	<br />
2114
2115	- <label for="~~cache_clear_on_upgrade~~">
2116	- <input ~~type="checkbox"~~ name="cache-enabler[~~clear_on_upgrade~~]" id="~~cache_clear_on_upgrade~~" value="1" <?php checked('1', $options['~~clear_on_upgrade~~']); ?> />
2117	- <?php _e(~~"Clear~~ ~~the~~ ~~complete~~ ~~cache~~ if ~~any~~ ~~plugin~~ ~~has~~ ~~been~~ ~~upgraded~~.", "cache-enabler") ?>
2118	</label>
2119	</fieldset>
2120	</td>
	@@ -2122,36 +2196,32 @@ final class Cache_Enabler {
2122
2123	<tr valign="top">
2124	<th scope="row">
2125	- <?php _e("Cache Exclusions", "cache-enabler") ?>
2126	</th>
2127	<td>
2128	<fieldset>
2129	<label for="cache_excl_ids">
2130	- <input ~~type="text"~~ name="cache-enabler[excl_ids]" id="cache_excl_ids" value="<?php echo esc_attr($options['excl_ids']) ?>" />
2131	- <p class="description">
2132	- <?php ~~echo sprintf~~(~~__("Post~~ ~~or Pages IDs separated by a %s that should not be cached."~~, "cache-enabler"), "<code~~>,</~~code>~~"); ?>~~
2133	</p>
2134	</label>
2135
2136	<br />
2137
2138	- <label for="~~cache_excl_regexp~~">
2139	- <input ~~type="text"~~ name="cache-enabler[~~excl_regexp~~]" id="~~cache_excl_regexp~~" value="<?php echo esc_attr($options['~~excl_regexp~~']) ?>" />
2140	- <p class="description">
2141	- <?php _e(~~"Regexp~~ ~~matching page paths that should not be cached."~~, "cache-enabler"); ~~?><br~~>
2142	- <?php _e("Example:", "cache-enabler"); ?> <code>/(^\/$\|\/robot\/$\|^\/2018\/.*\/test\/)/</code>
2143	- </p>
2144	</label>
2145
2146	<br />
2147
2148	<label for="cache_excl_cookies">
2149	- <input ~~type="text"~~ name="cache-enabler[excl_cookies]" id="cache_excl_cookies" value="<?php echo esc_attr($options['excl_cookies']) ?>" />
2150	- <p class="description">
2151	- <?php _e(~~"Regexp~~ ~~matching cookies that should cause the cache to be bypassed."~~, "cache-enabler"); ~~?><br~~>
2152	- <?php _e(~~"Example~~:", "cache-enabler"); ?> <code>/^(wp-postpass\|wordpress_logged_in\|comment_author~~\|(woocommerce_items_in_cart\|wp_woocommerce_session~~)_?)/</code~~><br~~>
2153	- <?php _e("Default if unset:", "cache-enabler"); ?> <code>/^(wp-postpass\|wordpress_logged_in\|comment_author)_/</code>
2154	- </p>
2155	</label>
2156	</fieldset>
2157	</td>
	@@ -2159,17 +2229,15 @@ final class Cache_Enabler {
2159
2160	<tr valign="top">
2161	<th scope="row">
2162	- <?php _e("Cache Inclusions", "cache-enabler") ?>
2163	</th>
2164	<td>
2165	<fieldset>
2166	- <label for="~~cache_incl_attributes~~">
2167	- <input ~~type="text"~~ name="cache-enabler[~~incl_attributes~~]" id="~~cache_incl_attributes~~" value="<?php echo esc_attr($options['~~incl_attributes~~']) ?>" />
2168	- <p class="description">
2169	- <?php _e(~~"Regexp~~ ~~matching campaign tracking GET attributes that should not cause the cache to be bypassed."~~, "cache-enabler"); ~~?><br~~>
2170	- <?php _e(~~"Example~~:", "cache-enabler"); ?> <code>/^~~pk_~~(source\|medium\|campaign\|~~kwd~~\|content)$/</code><br>
2171	- <?php _e("Default if unset:", "cache-enabler"); ?> <code>/^utm_(source\|medium\|campaign\|term\|content)$/</code>
2172	- </p>
2173	</label>
2174	</fieldset>
2175	</td>
	@@ -2177,32 +2245,30 @@ final class Cache_Enabler {
2177
2178	<tr valign="top">
2179	<th scope="row">
2180	- <?php _e("Cache Minification", "cache-enabler") ?>
2181	</th>
2182	<td>
2183	<label for="cache_minify_html">
2184	<select name="cache-enabler[minify_html]" id="cache_minify_html">
2185	- <?php foreach( self::_minify_select() as $k => $v ) { ?>
2186	- <option value="<?php echo esc_attr($k) ?>" <?php selected($options['minify_html'], $k); ?>>
2187	- <?php echo esc_html($v) ?>
2188	</option>
2189	- <?php } ?>
2190	</select>
2191	</label>
2192	</td>
2193	</tr>
2194	-
2195	- <tr valign="top">
2196	- <th scope="row">
2197	- <?php submit_button() ?>
2198	- </th>
2199	- <td>
2200	- <p class="description"><?php _e("Saving these settings will clear the complete cache.", "cache-enabler") ?></p>
2201	- </td>
2202	- </tr>
2203	</table>





2204	</form>
2205	- <p class="description"><?php _e("It is recommended to enable HTTP/2 on your origin server and use a CDN that supports HTTP/2. Avoid domain sharding and concatenation of your assets to benefit from parallelism of HTTP/2.", "cache-enabler") ?></p>
2206	- ~~</div><?php~~


2207	}
2208	}


2
3
4	// exit
5	+ defined( 'ABSPATH' ) \|\| exit;
6
7
8	/**
9	* Cache_Enabler
10	*
11	+ * @since 1.0.0
12	*/
13
14	final class Cache_Enabler {

41	* @var integer
42	*/
43
44	+ const MINIFY_DISABLED = 0;
45	const MINIFY_HTML_ONLY = 1;
46	+ const MINIFY_HTML_JS = 2;
47
48
49	/**

53	* @change 1.0.0
54	*/
55
56	+ public static function instance() {
57	+
58	new self();
59	}
60

63	* constructor
64	*
65	* @since 1.0.0
66	+ * @change 1.4.0



67	*/
68
69	+ public function __construct() {
70	+
71	// set default vars
72	self::_set_default_vars();
73
74	+ // init hooks
75	+ add_action( 'init', array( __CLASS__, 'process_clear_request' ) );
76	+ add_action( 'init', array( __CLASS__, 'register_textdomain' ) );
77	+ add_action( 'init', array( __CLASS__, 'register_publish_hooks' ), 99 );





78
79	// clear cache hooks
80	+ add_action( 'ce_clear_post_cache', array( __CLASS__, 'clear_page_cache_by_post_id' ) );
81	+ add_action( 'ce_clear_cache', array( __CLASS__, 'clear_total_cache' ) );
82	+ add_action( '_core_updated_successfully', array( __CLASS__, 'clear_total_cache' ) );
83	+ add_action( 'upgrader_process_complete', array( __CLASS__, 'on_upgrade' ), 10, 2 );
84	+ add_action( 'switch_theme', array( __CLASS__, 'clear_total_cache' ) );
85	+ add_action( 'activated_plugin', array( __CLASS__, 'on_plugin_activation_deactivation' ), 10, 2 );
86	+ add_action( 'deactivated_plugin', array( __CLASS__, 'on_plugin_activation_deactivation' ), 10, 2 );
87	+ add_action( 'wp_trash_post', array( __CLASS__, 'on_trash_post' ) );
88	+ // third party
89	+ add_action( 'autoptimize_action_cachepurged', array( __CLASS__, 'clear_total_cache' ) );
90	+ add_action( 'woocommerce_product_set_stock', array( __CLASS__, 'on_woocommerce_stock_update' ) );
91	+ add_action( 'woocommerce_product_set_stock_status', array( __CLASS__, 'on_woocommerce_stock_update' ) );
92	+ add_action( 'woocommerce_variation_set_stock', array( __CLASS__, 'on_woocommerce_stock_update' ) );
93	+ add_action( 'woocommerce_variation_set_stock_status', array( __CLASS__, 'on_woocommerce_stock_update' ) );
94	+
95	+ // advanced cache hooks
96	+ add_action( 'permalink_structure_changed', array( __CLASS__, 'create_advcache_settings' ) );
97	+ add_action( 'save_post', array( __CLASS__, 'check_future_posts' ) );
98	+
99	+ // admin bar hooks
100	+ add_action( 'admin_bar_menu', array( __CLASS__, 'add_admin_links' ), 90 );
101	+
102	+ // admin interface hooks




































































































103	if ( is_admin() ) {
104	+ // multisite
105	+ add_action( 'wp_initialize_site', array( __CLASS__, 'install_later' ) );
106	+ add_action( 'wp_uninitialize_site', array( __CLASS__, 'uninstall_later' ) );
107	+ // settings
108	+ add_action( 'admin_init', array( __CLASS__, 'register_settings' ) );
109	+ add_action( 'admin_menu', array( __CLASS__, 'add_settings_page' ) );
110	+ add_action( 'admin_enqueue_scripts', array( __CLASS__, 'add_admin_resources' ) );
111	+ add_filter( 'plugin_row_meta', array( __CLASS__, 'row_meta' ), 10, 2 );
112	+ // comments
113	+ add_action( 'transition_comment_status', array( __CLASS__, 'change_comment' ), 10, 3 );
114	+ add_action( 'comment_post', array( __CLASS__, 'comment_post' ), 99, 2 );
115	+ add_action( 'edit_comment', array( __CLASS__, 'edit_comment' ) );
116	+ // dashboard
117	+ add_filter( 'dashboard_glance_items', array( __CLASS__, 'add_dashboard_count' ) );
118	+ add_action( 'post_submitbox_misc_actions', array( __CLASS__, 'add_clear_dropdown' ) );
119	+ add_filter( 'plugin_action_links_' . CE_BASE, array( __CLASS__, 'action_links' ) );
120	+ // warnings and notices
121	+ add_action( 'admin_notices', array( __CLASS__, 'warning_is_permalink' ) );
122	+ add_action( 'admin_notices', array( __CLASS__, 'requirements_check' ) );
123	+ // caching hooks
124	+ } else {
125	+ // comments
126	+ add_action( 'pre_comment_approved', array( __CLASS__, 'new_comment' ), 99, 2 );
127	+ // output buffer
128	+ add_action( 'template_redirect', array( __CLASS__, 'handle_cache' ), 0 );
129	+ }
130	+ }


131














132
133	+ /**
134	+ * activation hook
135	+ *
136	+ * @since 1.0.0
137	+ * @change 1.4.0
138	+ *
139	+ * @param boolean $network_wide network activated
140	+ */

















141
142	+ public static function on_activation( $network_wide ) {





























143
144	+ // activation requirements
145	+ self::on_ce_activation_deactivation( 'activated', $network_wide );













146
147	+ // set WP_CACHE
148	+ if ( ! defined( 'WP_CACHE' ) \|\| ! WP_CACHE ) {
149	+ self::_set_wp_cache();

















150	}
151	+
152	+ // copy advanced cache file
153	+ copy( CE_DIR . '/advanced-cache.php', WP_CONTENT_DIR . '/advanced-cache.php' );
154	}
155
156

158	* deactivation hook
159	*
160	* @since 1.0.0
161	+ * @change 1.4.0
162	+ *
163	+ * @param boolean $network_wide network deactivated
164	*/
165
166	+ public static function on_deactivation( $network_wide ) {
167	+
168	+ // deactivation requirements
169	+ self::on_ce_activation_deactivation( 'deactivated', $network_wide );
170
171	+ // unset WP_CACHE
172	if ( defined( 'WP_CACHE' ) && WP_CACHE ) {
173	+ self::_set_wp_cache( false );

174	}
175
176	// delete advanced cache file
177	+ unlink( WP_CONTENT_DIR . '/advanced-cache.php' );
178	}
179
180
181	/**
182	+ * Cache Enabler activation and deactivation actions
183	*
184	+ * @since 1.4.0
185	+ * @change 1.4.0
186	+ *
187	+ * @param string $action activated or deactivated
188	+ * @param boolean $network_wide network activated or deactivated
189	*/
190
191	+ public static function on_ce_activation_deactivation( $action, $network_wide ) {
192
193	+ // network activated
194	+ if ( is_multisite() && $network_wide ) {
195	+ // blog IDs
196	+ $blog_ids = self::_get_blog_ids();
197
198	+ // switch to each blog in network
199	+ foreach ( $blog_ids as $blog_id ) {
200	+ switch_to_blog( $blog_id );
201	+
202	+ if ( $action === 'activated' ) {
203	+ // install requirements
204	+ self::_install_backend();
205	+ }
206	+
207	+ if ( $action === 'deactivated' ) {
208	+ // delete advanced cache settings file
209	+ Cache_Enabler_Disk::delete_advcache_settings();
210	+ }
211	}
212
213	// restore blog
214	restore_current_blog();
215	+ // site activated
216	} else {
217	+ if ( $action === 'activated') {
218	+ // install requirements
219	+ self::_install_backend();
220	+ }
221	+
222	+ if ( $action === 'deactivated') {
223	+ // delete advanced cache settings file
224	+ Cache_Enabler_Disk::delete_advcache_settings();
225	+ }
226	}
227
228	+ if ( $action === 'deactivated') {
229	+ // clear complete cache
230	+ self::clear_total_cache();
231	}
232	+ }
233
234	+
235	+ /**
236	+ * plugin activation and deactivation hooks
237	+ *
238	+ * @since 1.4.0
239	+ * @change 1.4.0
240	+ */
241	+
242	+ public static function on_plugin_activation_deactivation() {
243	+
244	+ // if option enabled clear complete cache on any plugin activation or deactivation
245	+ if ( self::$options['clear_on_upgrade'] ) {
246	+ self::clear_total_cache();
247	+ }
248	}
249
250
251	/**
252	+ * upgrade hook
253	+ *
254	+ * @since 1.2.3
255	+ * @change 1.4.0
256	*
257	+ * @param WP_Upgrader $obj upgrade instance
258	+ * @param array $data update data
259	*/
260
261	+ public static function on_upgrade( $obj, $data ) {
262	+
263	+ // if option enabled clear complete cache on any plugin update
264	if ( self::$options['clear_on_upgrade'] ) {
265	self::clear_total_cache();
266	}
267
268	+ // check updated plugins
269	+ if ( $data['action'] === 'update' && $data['type'] === 'plugin' && array_key_exists( 'plugins', $data ) ) {
270	+ foreach ( (array) $data['plugins'] as $each_plugin ) {
271	+ // if Cache Enabler has been updated
272	+ if ( $each_plugin === CE_BASE ) {
273	+ // update requirements
274	+ if ( is_multisite() && is_plugin_active_for_network( CE_BASE ) ) {
275	+ $network_wide = true;
276	+ self::on_ce_update( $network_wide );
277	+ } else {
278	+ $network_wide = false;
279	+ self::on_ce_update( $network_wide );
280	+ }
281	}
282	}
283	}

285
286
287	/**
288	+ * Cache Enabler update actions
289	+ *
290	+ * @since 1.4.0
291	+ * @change 1.4.0
292	*
293	+ * @param boolean $network_wide network activated
294	*/
295
296	+ public static function on_ce_update( $network_wide ) {
297	+
298	+ // delete advanced cache settings file(s) and clear complete cache
299	+ self::on_ce_activation_deactivation( 'deactivated', $network_wide );
300	+ // decom: delete old advanced cache settings file(s) (1.4.0)
301	+ array_map( 'unlink', glob( WP_CONTENT_DIR . '/cache/cache-enabler-advcache-*.json' ) );
302	+
303	+ // create advanced cache settings file(s)
304	+ self::on_ce_activation_deactivation( 'activated', $network_wide );
305	+
306	+ // update advanced cache file that might have changed
307	+ copy( CE_DIR . '/advanced-cache.php', WP_CONTENT_DIR . '/advanced-cache.php' );
308	}
309
310
311	/**
312	+ * create or update advanced cache settings
313	+ *
314	+ * @since 1.4.0
315	+ * @change 1.4.0
316	+ */
317	+
318	+ public static function create_advcache_settings() {
319	+
320	+ // get Cache Enabler options
321	+ $options = self::_get_options();
322	+
323	+ // create advanced cache settings file
324	+ if ( empty( $options ) ) {
325	+ // ignore results and only call permalink structure recording
326	+ self::handle_trailing_slash();
327	+ } else {
328	+ // ignore results and call all advance cache settings recordings
329	+ self::validate_settings( $options );
330	+ }
331	+ }
332	+
333	+
334	+ /**
335	+ * install Cache Enabler on new site in multisite network
336	*
337	* @since 1.0.0
338	+ * @change 1.4.0
339	+ *
340	+ * @param WP_Site $new_site new site instance
341	*/
342
343	+ public static function install_later( $new_site ) {
344
345	+ // check if network activated
346	+ if ( ! is_plugin_active_for_network( CE_BASE ) ) {
347	return;
348	}
349
350	// switch to blog
351	+ switch_to_blog( (int) $new_site->blog_id );
352
353	+ // install requirements
354	self::_install_backend();
355
356	+ // restore blog
357	restore_current_blog();
358	}
359
360
361	/**
362	+ * installation requirements
363	*
364	* @since 1.0.0
365	+ * @change 1.4.0
366	*/
367
368	private static function _install_backend() {
369
370	+ // add default Cache Enabler option if not already added
371	+ add_option( 'cache-enabler', array() );


372
373	+ // create advanced cache settings file
374	+ self::create_advcache_settings();
375	}
376
377
378	/**
379	+ * uninstall Cache Enabler
380	+ *
381	+ * @since 1.0.0
382	+ * @change 1.4.0
383	+ */
384	+
385	+ public static function on_uninstall() {
386	+
387	+ // network
388	+ if ( is_multisite() ) {
389	+ // blog IDs
390	+ $blog_ids = self::_get_blog_ids();
391	+
392	+ // switch to each blog in network
393	+ foreach ( $blog_ids as $blog_id ) {
394	+ switch_to_blog( $blog_id );
395	+ // uninstall requirements
396	+ self::_uninstall_backend();
397	+ }
398	+
399	+ // restore blog
400	+ restore_current_blog();
401	+ // site
402	+ } else {
403	+ // uninstall requirements
404	+ self::_uninstall_backend();
405	+ }
406	+
407	+ // clear complete cache
408	+ self::clear_total_cache();
409	+ }
410	+
411	+
412	+ /**
413	+ * uninstall Cache Enabler on deleted site in multisite network
414	+ *
415	+ * @since 1.0.0
416	+ * @change 1.4.0
417	+ *
418	+ * @param WP_Site $old_site old site instance
419	+ */
420	+
421	+ public static function uninstall_later( $old_site ) {
422	+
423	+ // check if network activated
424	+ if ( ! is_plugin_active_for_network( CE_BASE ) ) {
425	+ return;
426	+ }
427	+
428	+ // delete advanced cache settings file
429	+ Cache_Enabler_Disk::delete_advcache_settings();
430	+
431	+ // clear complete cache of deleted site
432	+ self::clear_blog_id_cache( (int) $old_site->blog_id );
433	+ }
434	+
435	+
436	+ /**
437	+ * uninstall installation requirements
438	+ *
439	+ * @since 1.0.0
440	+ * @change 1.4.0
441	+ */
442	+
443	+ private static function _uninstall_backend() {
444	+
445	+ // delete Cache Enabler option
446	+ delete_option( 'cache-enabler' );
447	+ }
448	+
449	+
450	+ /**
451	+ * set or unset WP_CACHE
452	*
453	* @since 1.1.1
454	* @change 1.1.1
455	+ *
456	+ * @param boolean $wp_cache_value true to set WP_CACHE constant in wp-config.php, false to unset
457	*/
458
459	+ private static function _set_wp_cache( $wp_cache_value = true ) {
460	+
461	$wp_config_file = ABSPATH . 'wp-config.php';
462
463	if ( file_exists( $wp_config_file ) && is_writable( $wp_config_file ) ) {
464	+ // get wp-config.php as array
465	$wp_config = file( $wp_config_file );
466
467	+ if ( $wp_cache_value ) {
468	+ $wp_cache_ce_line = "define('WP_CACHE', true); // Added by Cache Enabler" . "\r\n";
469	} else {
470	$wp_cache_ce_line = '';
471	}

480	}
481	}
482
483	+ // add WP_CACHE if not found
484	if ( ! $found_wp_cache ) {
485	array_shift( $wp_config );
486	array_unshift( $wp_config, "<?php\r\n", $wp_cache_ce_line );

498
499
500	/**
501	+ * set default vars

























































502	*
503	* @since 1.0.0
504	* @change 1.0.0
505	*/
506
507	+ private static function _set_default_vars() {
508
509	+ // get Cache Enabler options
510	+ self::$options = self::_get_options();
511
512	+ // disk cache
513	+ if ( Cache_Enabler_Disk::is_permalink() ) {
514	+ self::$disk = new Cache_Enabler_Disk;
515	+ }
516	}
517
518
519	/**
520	+ * get blog IDs
521	*
522	* @since 1.0.0
523	* @change 1.0.0
524	*
525	+ * @return array blog IDs array
526	*/
527
528	private static function _get_blog_ids() {
529	+
530	global $wpdb;
531
532	return $wpdb->get_col("SELECT blog_id FROM `$wpdb->blogs`");

534
535
536	/**
537	+ * get blog paths
538	*
539	+ * @since 1.4.0
540	+ * @change 1.4.0
541	+ *
542	+ * @return array blog paths array
543	*/
544
545	+ private static function _get_blog_paths() {
546
547	+ global $wpdb;

548
549	+ return $wpdb->get_col("SELECT path FROM `$wpdb->blogs`");



550	}
551
552
553	/**
554	+ * get Cache Enabler options
555	*
556	* @since 1.0.0
557	+ * @change 1.4.0
558	*
559	+ * @return array Cache Enabler options
560	*/
561
562	private static function _get_options() {
563
564	+ // decom: rename option
565	+ $ce_leg = get_option( 'cache' );
566	+ if ( ! empty( $ce_leg ) ) {
567	+ delete_option( 'cache' );
568	add_option(
569	'cache-enabler',
570	$ce_leg
571	);
572	}
573
574	+ // decom: rename options
575	+ $options = get_option( 'cache-enabler', array() );
576	+ // excl_regexp to excl_paths (1.4.0)
577	+ if ( ! empty( $options ) && array_key_exists( 'excl_regexp', $options ) ) {
578	+ $options['excl_paths'] = $options['excl_regexp'];
579	+ unset( $options['excl_regexp'] );
580	+ update_option( 'cache-enabler', $options );
581	+ }
582	+ // incl_attributes to incl_parameters (1.4.0)
583	+ if ( ! empty( $options ) && array_key_exists( 'incl_attributes', $options ) ) {
584	+ $options['incl_parameters'] = $options['incl_attributes'];
585	+ unset( $options['incl_attributes'] );
586	+ update_option( 'cache-enabler', $options );
587	+ }
588	+
589	return wp_parse_args(
590	+ get_option( 'cache-enabler' ),
591	array(
592	+ 'expires' => 0,
593	+ 'clear_on_upgrade' => 0,
594	+ 'new_post' => 0,
595	+ 'new_comment' => 0,
596	+ 'update_product_stock' => 0,
597	+ 'compress' => 0,
598	+ 'webp' => 0,
599	+ 'excl_ids' => '',
600	+ 'excl_paths' => '',
601	+ 'excl_cookies' => '',
602	+ 'incl_parameters' => '',
603	+ 'minify_html' => self::MINIFY_DISABLED,
604	)
605	);
606	}
607
608
609	/**
610	+ * warning if no custom permlink structure
611	*
612	* @since 1.0.0
613	+ * @change 1.4.0


614	*/
615
616	public static function warning_is_permalink() {
617
618	+ if ( ! Cache_Enabler_Disk::is_permalink() && current_user_can( 'manage_options' ) ) {




619
620	+ show_message(
621	+ sprintf(
622	+ '<div class="error"><p>%s</p></div>',
623	+ sprintf(
624	+ esc_html__( 'The %s plugin requires a custom permalink structure to start caching properly. Please enable a custom structure in the %s.', 'cache-enabler' ),
625	+ '<strong>Cache Enabler</strong>',
626	+ sprintf(
627	+ '<a href="%s">%s</a>',
628	+ admin_url( 'options-permalink.php' ),
629	+ esc_html__( 'Permalink Settings', 'cache-enabler' )
630	+ )
631	+ )
632	+ )
633	+ );
634	}
635	}
636

645	* @return array $data appended links
646	*/
647
648	+ public static function action_links( $data ) {
649
650	// check user role
651	+ if ( ! current_user_can( 'manage_options' ) ) {
652	return $data;
653	}
654

659	'<a href="%s">%s</a>',
660	add_query_arg(
661	array(
662	+ 'page' => 'cache-enabler',
663	),
664	+ admin_url( 'options-general.php' )
665	),
666	+ esc_html__( 'Settings' )
667	)
668	)
669	);

671
672
673	/**
674	+ * Cache Enabler meta links
675	*
676	* @since 1.0.0
677	+ * @change 1.4.0
678	*
679	* @param array $input existing links
680	* @param string $page page
681	* @return array $data appended links
682	*/
683
684	+ public static function row_meta( $input, $page ) {
685
686	// check permissions
687	+ if ( $page !== CE_BASE ) {
688	return $input;
689	}
690
691	return array_merge(
692	$input,
693	array(
694	+ '<a href="https://www.keycdn.com/support/wordpress-cache-enabler-plugin" target="_blank">Documentation</a>',
695	)
696	);
697	}

710	public static function add_dashboard_count( $items = array() ) {
711
712	// check user role
713	+ if ( ! current_user_can( 'manage_options' ) ) {
714	return $items;
715	}
716

718	$size = self::get_cache_size();
719
720	// display items
721	+ $items = array(
722	+ sprintf(
723	+ '<a href="%s" title="%s">%s %s</a>',
724	+ add_query_arg(
725	+ array(
726	+ 'page' => 'cache-enabler'
727	+ ),
728	+ admin_url( 'options-general.php' )
729	),
730	+ esc_html__( 'Disk Cache', 'cache-enabler' ),
731	+ ( empty( $size ) ? esc_html__( 'Empty', 'cache-enabler' ) : size_format( $size ) ),
732	+ esc_html__( 'Cache Size', 'cache-enabler' )
733	+ )

734	);
735
736	return $items;

743	* @since 1.0.0
744	* @change 1.0.0
745	*
746	+ * @return integer $size cache size (bytes)
747	*/
748
749	public static function get_cache_size() {
750
751	+ if ( ! $size = get_transient( 'cache_size' ) ) {
752
753	+ $size = ( is_object( self::$disk ) ) ? (int) self::$disk->cache_size( CE_CACHE_DIR ) : 0;
754
755	// set transient
756	set_transient(

764	}
765
766
767	+ /**
768	+ * get blog domain
769	+ *
770	+ * @since 1.4.0
771	+ * @change 1.4.0
772	+ *
773	+ * @return string $domain current blog domain
774	+ */
775	+
776	+ public static function get_blog_domain() {
777	+
778	+ // get current blog domain
779	+ $domain = parse_url( get_site_url(), PHP_URL_HOST );
780	+
781	+ // check if empty when creating new site in network
782	+ if ( is_multisite() && empty( $domain ) ) {
783	+ $domain = get_blog_details()->domain;
784	+ }
785	+
786	+ return $domain;
787	+ }
788	+
789	+
790	/**
791	* add admin links
792	*
793	* @since 1.0.0
794	+ * @change 1.4.0


795	*
796	* @param object menu properties
797	+ *
798	+ * @hook mixed user_can_clear_cache
799	*/
800
801	+ public static function add_admin_links( $wp_admin_bar ) {
802
803	// check user role
804	+ if ( ! is_admin_bar_showing() \|\| ! apply_filters( 'user_can_clear_cache', current_user_can( 'manage_options' ) ) ) {
805	return;
806	}
807
808	+ // get clear complete cache button title
809	+ $title = ( is_multisite() && is_network_admin() ) ? esc_html__( 'Clear Network Cache', 'cache-enabler' ) : esc_html__( 'Clear Cache', 'cache-enabler' );
810	+
811	+ // add Clear Cache or Clear Network Cache button in admin bar
812	$wp_admin_bar->add_menu(
813	array(
814	+ 'id' => 'clear-cache',
815	+ 'href' => wp_nonce_url( add_query_arg( array(
816	+ '_cache' => 'cache-enabler',
817	+ '_action' => 'clear',
818	+ '_cid' => time(),
819	+ ) ) ),
820	'parent' => 'top-secondary',
821	+ 'title' => '<span class="ab-item">' . $title . '</span>',
822	+ 'meta' => array(
823	+ 'title' => $title,
824	+ ),
825	)
826	);
827
828	+ // add Clear URL Cache button in admin bar
829	if ( ! is_admin() ) {

830	$wp_admin_bar->add_menu(
831	array(
832	+ 'id' => 'clear-url-cache',
833	+ 'href' => wp_nonce_url( add_query_arg( array(
834	+ '_cache' => 'cache-enabler',
835	+ '_action' => 'clearurl',
836	+ '_cid' => time(),
837	+ ) ) ),
838	'parent' => 'top-secondary',
839	+ 'title' => '<span class="ab-item">' . esc_html__( 'Clear URL Cache', 'cache-enabler' ) . '</span>',
840	+ 'meta' => array(
841	+ 'title' => esc_html__( 'Clear URL Cache', 'cache-enabler' ),
842	+ ),
843	)
844	);
845	}

850	* process clear request
851	*
852	* @since 1.0.0
853	+ * @change 1.4.0
854	*
855	* @param array $data array of metadata
856	*/
857
858	+ public static function process_clear_request( $data ) {
859
860	// check if clear request
861	+ if ( empty( $_GET['_cache'] ) \|\| empty( $_GET['_action'] \|\| $_GET['_cache'] !== 'cache-enabler' && $_GET['_action'] !== 'clear' \|\| $_GET['_action'] !== 'clearurl' ) ) {
862	+ return;
863	+ }
864	+
865	+ // validate clear ID (prevent duplicate processing)
866	+ if ( empty( $_GET['_cid'] ) \|\| ! empty( $_COOKIE['cache_enabler_clear_id'] ) && $_COOKIE['cache_enabler_clear_id'] === $_GET['_cid'] ) {
867	return;
868	}
869
870	// validate nonce
871	+ if ( empty( $_GET['_wpnonce'] ) \|\| ! wp_verify_nonce( $_GET['_wpnonce'] ) ) {
872	return;
873	}
874
875	// check user role
876	+ if ( ! is_admin_bar_showing() \|\| ! apply_filters( 'user_can_clear_cache', current_user_can( 'manage_options' ) ) ) {
877	return;
878	}
879
880	+ // load if network activated
881	+ if ( ! function_exists( 'is_plugin_active_for_network' ) ) {
882	+ require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
883	}
884
885	+ // set clear ID cookie
886	+ setcookie( 'cache_enabler_clear_id', $_GET['_cid'] );








887
888	+ // set clear URL without query string
889	+ $clear_url = preg_replace( '/\?.*/', '', home_url( add_query_arg( null, null ) ) );
890
891	+ // network activated
892	+ if ( is_multisite() && is_plugin_active_for_network( CE_BASE ) ) {
893	+ // network admin
894	+ if ( is_network_admin() && $_GET['_action'] === 'clear' ) {
895	+ // clear complete cache
896	+ self::clear_total_cache();


897
898	// clear notice
899	if ( is_admin() ) {

901	'network_admin_notices',
902	array(
903	__CLASS__,
904	+ 'clear_notice',
905	)
906	);
907	}
908	+ // site admin
909	} else {
910	+ if ( $_GET['_action'] === 'clearurl' ) {
911	+ // clear specific site URL cache
912	+ self::clear_page_cache_by_url( $clear_url );
913	+ } elseif ( $_GET['_action'] === 'clear' ) {
914	+ // clear specific site complete cache
915	+ self::clear_blog_id_cache( get_current_blog_id() );
916
917	// clear notice
918	if ( is_admin() ) {

920	'admin_notices',
921	array(
922	__CLASS__,
923	+ 'clear_notice',
924	)
925	);
926	}
927	}
928	}
929	+ // site activated
930	} else {
931	+ if ( $_GET['_action'] === 'clearurl' ) {
932	+ // clear URL cache
933	+ self::clear_page_cache_by_url( $clear_url );
934	+ } elseif ( $_GET['_action'] === 'clear' ) {
935	+ // clear complete cache
936	self::clear_total_cache();
937
938	// clear notice

941	'admin_notices',
942	array(
943	__CLASS__,
944	+ 'clear_notice',
945	)
946	);
947	}

951	if ( ! is_admin() ) {
952	wp_safe_redirect(
953	remove_query_arg(
954	+ '_action',
955	wp_get_referer()
956	)
957	);

973	public static function clear_notice() {
974
975	// check if admin
976	+ if ( ! is_admin_bar_showing() \|\| ! apply_filters( 'user_can_clear_cache', current_user_can( 'manage_options' ) ) ) {
977	return false;
978	}
979
980	echo sprintf(
981	'<div class="notice notice-success is-dismissible"><p>%s</p></div>',
982	+ esc_html__( 'The cache has been cleared.', 'cache-enabler' )
983	);
984	}
985

988	* clear cache if post comment
989	*
990	* @since 1.2.0
991	+ * @change 1.4.0
992	*
993	+ * @param integer $comment_id comment ID
994	+ * @param mixed $approved approval status
995	*/
996
997	+ public static function comment_post( $comment_id, $approved ) {
998
999	// check if comment is approved
1000	if ( $approved === 1 ) {
1001	+ // if option enabled clear complete cache on new comment
1002	if ( self::$options['new_comment'] ) {
1003	self::clear_total_cache();
1004	} else {
1005	+ self::clear_page_cache_by_post_id( get_comment( $comment_id )->comment_post_ID );


1006	}
1007	}
1008	}

1012	* clear cache if edit comment
1013	*
1014	* @since 1.0.0
1015	+ * @change 1.4.0
1016	*
1017	+ * @param integer $comment_id comment ID
1018	*/
1019
1020	+ public static function edit_comment( $comment_id ) {
1021
1022	+ // if option enabled clear complete cache on new comment
1023	if ( self::$options['new_comment'] ) {
1024	self::clear_total_cache();
1025	} else {
1026	+ self::clear_page_cache_by_post_id( get_comment( $comment_id )->comment_post_ID );


1027	}
1028	}
1029

1039	* @return mixed $approved approval status
1040	*/
1041
1042	+ public static function new_comment( $approved, $comment ) {
1043
1044	// check if comment is approved
1045	if ( $approved === 1 ) {
1046	+ // if option enabled clear complete cache on new comment
1047	if ( self::$options['new_comment'] ) {
1048	self::clear_total_cache();
1049	} else {

1056
1057
1058	/**
1059	+ * clear cache if comment status changes
1060	*
1061	* @since 1.0.0
1062	* @change 1.0.0

1066	* @param object $comment
1067	*/
1068
1069	+ public static function change_comment( $after_status, $before_status, $comment ) {
1070
1071	// check if changes occured
1072	+ if ( $after_status !== $before_status ) {
1073	+ // if option enabled clear complete cache on new comment
1074	if ( self::$options['new_comment'] ) {
1075	self::clear_total_cache();
1076	} else {

1084	* register publish hooks for custom post types
1085	*
1086	* @since 1.0.0
1087	+ * @change 1.2.3



1088	*/
1089
1090	public static function register_publish_hooks() {
1091
1092	// get post types
1093	$post_types = get_post_types(
1094	+ array(
1095	+ 'public' => true,
1096	+ )
1097	);
1098
1099	// check if empty
1100	+ if ( empty( $post_types ) ) {
1101	return;
1102	}
1103
1104	// post type actions
1105	foreach ( $post_types as $post_type ) {
1106	add_action(
1107	+ 'publish_' . $post_type,
1108	array(
1109	__CLASS__,
1110	+ 'publish_post_types',
1111	),
1112	10,
1113	2
1114	);
1115	add_action(
1116	+ 'publish_future_' . $post_type,
1117	function( $post_id ) {
1118	+ // if option enabled clear complete cache on new post
1119	if ( self::$options['new_post'] ) {
1120	self::clear_total_cache();
1121	} else {

1131	* delete post type cache on post updates
1132	*
1133	* @since 1.0.0
1134	+ * @change 1.4.0
1135	*
1136	+ * @param integer $post_id post ID
1137	*/
1138
1139	+ public static function publish_post_types( $post_id, $post ) {
1140
1141	+ // check if post ID or post is empty
1142	+ if ( empty( $post_id ) \|\| empty( $post ) ) {
1143	return;
1144	}
1145
1146	// check post status
1147	+ if ( ! in_array( $post->post_status, array( 'publish', 'future' ) ) ) {
1148	return;
1149	}
1150
1151	+ // clear cache on post publish
1152	+ if ( ! isset( $_POST['_clear_post_cache_on_update'] ) && $post->post_date_gmt === $post->post_modified_gmt ) {
1153
1154	+ // if option enabled clear complete cache on new post
1155	if ( self::$options['new_post'] ) {
1156	return self::clear_total_cache();
1157	} else {

1161	}
1162
1163	// validate nonce
1164	+ if ( ! isset( $_POST['_cache__status_nonce_' . $post_id] ) \|\| ! wp_verify_nonce( $_POST['_cache__status_nonce_' . $post_id], CE_BASE ) ) {
1165	return;
1166	}
1167
1168	// validate user role
1169	+ if ( ! current_user_can( 'publish_posts' ) ) {
1170	return;
1171	}
1172
1173	+ // get clear cache publishing action
1174	+ $clear_post_cache = (int) $_POST['_clear_post_cache_on_update'];
1175
1176	// save user metadata
1177	update_user_meta(

1180	$clear_post_cache
1181	);
1182
1183	+ // clear cache on post publishing action
1184	if ( $clear_post_cache ) {
1185	+ self::clear_total_cache();
1186	} else {
1187	+ self::clear_page_cache_by_post_id( $post_id );
1188	+ }
1189	+ }
1190	+
1191	+
1192	+ /**
1193	+ * trash post hook
1194	+ *
1195	+ * @since 1.4.0
1196	+ * @change 1.4.0
1197	+ *
1198	+ * @param integer $post_id post ID
1199	+ */
1200	+
1201	+ public static function on_trash_post( $post_id ) {
1202	+
1203	+ // if any published post type is sent to the trash clear complete cache
1204	+ if ( get_post_status( $post_id ) === 'publish' ) {
1205	self::clear_total_cache();
1206	}
1207	+
1208	+ // check if cache timeout needs to be recorded
1209	+ self::check_future_posts();
1210	}
1211
1212
1213	/**
1214	+ * clear page cache by post ID
1215	*
1216	* @since 1.0.0
1217	+ * @change 1.4.0
1218	*
1219	+ * @param integer $post_id post ID
1220	*/
1221
1222	+ public static function clear_page_cache_by_post_id( $post_id ) {
1223
1224	+ // validate integer
1225	+ if ( ! is_int( $post_id ) ) {
1226	return;
1227	}
1228
1229	+ // clear page cache
1230	+ self::clear_page_cache_by_url( get_permalink( $post_id ) );


1231	}
1232
1233
1234	/**
1235	+ * clear page cache by URL
1236	*
1237	* @since 1.0.0
1238	* @change 1.2.3
1239	*
1240	+ * @param string $url URL of a page
1241	*/
1242
1243	+ public static function clear_page_cache_by_url( $url ) {
1244
1245	// validate string
1246	+ if ( ! is_string( $url ) ) {
1247	return;
1248	}
1249
1250	call_user_func(
1251	array(
1252	self::$disk,
1253	+ 'delete_asset',
1254	),
1255	$url
1256	);
1257
1258	+ // clear cache by URL post hook
1259	+ do_action( 'ce_action_cache_by_url_cleared' );
1260	}
1261
1262

1265	*
1266	* @since 1.0.7
1267	* @change 1.2.3

1268	*/
1269
1270	public static function clear_home_page_cache() {

1272	call_user_func(
1273	array(
1274	self::$disk,
1275	+ 'clear_home',
1276	)
1277	);
1278
1279	// clear home page cache post hook
1280	+ do_action( 'ce_action_home_page_cache_cleared' );
1281	}
1282
1283
1284	/**
1285	+ * clear blog ID cache
1286	*
1287	+ * @since 1.4.0
1288	+ * @change 1.4.0
1289	*
1290	+ * @param integer $blog_id blog ID
1291	*/
1292
1293	+ public static function clear_blog_id_cache( $blog_id ) {
1294	+
1295	+ // check if network
1296	+ if ( ! is_multisite() ) {
1297	+ return;
1298	+ }
1299	+
1300	+ // validate integer
1301	+ if ( ! is_int( $blog_id ) ) {
1302	+ return;
1303	+ }
1304	+
1305	+ // set clear URL
1306	+ $clear_url = get_site_url( $blog_id );
1307	+
1308	+ // network with subdomain configuration
1309	+ if ( is_subdomain_install() ) {
1310	+ // clear main site or subsite cache
1311	+ self::clear_page_cache_by_url( $clear_url );
1312	+ // network with subdirectory configuration
1313	+ } else {
1314	+ // get blog path
1315	+ $blog_path = get_blog_details( $blog_id )->path;
1316	+
1317	+ // main site
1318	+ if ( $blog_path === '/' ) {
1319	+ // get blog paths
1320	+ $blog_paths = self::_get_blog_paths();
1321	+
1322	+ // get blog domain
1323	+ $blog_domain = self::get_blog_domain();
1324	+
1325	+ // glob path
1326	+ $glob_path = CE_CACHE_DIR . '/' . $blog_domain;
1327	+
1328	+ // get cached page paths
1329	+ $page_paths = glob( $glob_path . '/*', GLOB_MARK \| GLOB_ONLYDIR );
1330	+ foreach ( $page_paths as $page_path ) {
1331	+ $page_path = str_replace( $glob_path, '', $page_path );
1332	+ // if cached page belongs to main site
1333	+ if ( ! in_array( $page_path, $blog_paths ) ) {
1334	+ $clear_url .= $page_path;
1335	+ // clear page cache
1336	+ self::clear_page_cache_by_url( $clear_url );
1337	+ }
1338	+ }
1339	+
1340	+ // clear home page cache
1341	+ self::clear_home_page_cache();
1342	+ // subsite
1343	+ } else {
1344	+ $clear_url .= $blog_path;
1345	+ // clear subsite cache
1346	+ self::clear_page_cache_by_url( $clear_url );
1347	+ }
1348	+ }
1349	}
1350
1351
1352	/**
1353	+ * check if index.php
1354	*
1355	* @since 1.0.0
1356	* @change 1.0.0
1357	*
1358	+ * @return boolean true if index.php
1359	*/
1360
1361	+ private static function _is_index() {
1362	+
1363	+ return strtolower( basename( $_SERVER['SCRIPT_NAME'] ) ) !== 'index.php';
1364	}
1365
1366
1367	/**
1368	+ * check if mobile
1369	*
1370	* @since 1.0.0
1371	* @change 1.0.0
1372	*
1373	+ * @return boolean true if mobile
1374	*/
1375
1376	+ private static function _is_mobile() {


















1377
1378	+ return ( strpos( TEMPLATEPATH, 'wptouch' ) \|\| strpos( TEMPLATEPATH, 'carrington' ) \|\| strpos( TEMPLATEPATH, 'jetpack' ) \|\| strpos( TEMPLATEPATH, 'handheld' ) );




1379	}
1380
1381
1382	/**
1383	+ * check if there are posts to be published in the future
1384	*
1385	* @since 1.2.3
1386	+ * @change 1.2.3


1387	*/
1388
1389	public static function check_future_posts() {
1390
1391	+ $future_posts = new WP_Query( array(
1392	+ 'post_status' => array( 'future' ),
1393	+ ) );
1394
1395	if ( $future_posts->have_posts() ) {
1396	+ $post_dates = array_column( $future_posts->get_posts(), 'post_date' );
1397	+ sort( $post_dates );
1398	+ // record cache timeout for advanced cache
1399	+ Cache_Enabler_Disk::record_advcache_settings( array(
1400	+ 'cache_timeout' => strtotime( $post_dates[0] )
1401	+ ) );
1402	} else {
1403	+ Cache_Enabler_Disk::delete_advcache_settings( array( 'cache_timeout' ) );
1404	}
1405	}
1406

1409	* check to bypass the cache
1410	*
1411	* @since 1.0.0
1412	+ * @change 1.4.0
1413	*
1414	+ * @return boolean true if exception, false otherwise
1415	*
1416	+ * @hook boolean bypass_cache
1417	*/
1418
1419	private static function _bypass_cache() {
1420
1421	// bypass cache hook
1422	+ if ( apply_filters( 'bypass_cache', false ) ) {
1423	return true;
1424	}
1425
1426	+ // check if request method is GET
1427	+ if ( ! isset( $_SERVER['REQUEST_METHOD'] ) \|\| $_SERVER['REQUEST_METHOD'] !== 'GET' ) {
1428	return true;
1429	}
1430
1431	+ // check if conditional tags
1432	+ if ( self::_is_index() \|\| is_search() \|\| is_404() \|\| is_feed() \|\| is_trackback() \|\| is_robots() \|\| is_preview() \|\| post_password_required() ) {
1433	return true;
1434	}
1435
1436	+ // check DONOTCACHEPAGE
1437	+ if ( defined( 'DONOTCACHEPAGE' ) && DONOTCACHEPAGE ) {



1438	return true;
1439	}
1440
1441	+ // check mobile request
1442	+ if ( self::_is_mobile() ) {
1443	return true;
1444	}
1445
1446	+ // get Cache Enabler options
1447	+ $options = self::$options;


1448
1449	+ // if post ID excluded
1450	+ if ( $options['excl_ids'] && is_singular() ) {
1451	+ if ( in_array( $GLOBALS['wp_query']->get_queried_object_id(), (array) explode( ',', $options['excl_ids'] ) ) ) {
1452	+ return true;
1453	+ }
1454	}
1455
1456	+ // if page path excluded
1457	+ if ( ! empty( $options['excl_paths'] ) ) {
1458	+ $url_path = parse_url( $_SERVER['REQUEST_URI'], PHP_URL_PATH );
1459	+
1460	+ if ( preg_match( $options['excl_paths'], $url_path ) ) {
1461	return true;
1462	}
1463	}
1464
1465	+ // check cookies
1466	+ if ( ! empty( $_COOKIE ) ) {
1467	+ // set regex matching cookies that should cause the cache to be bypassed
1468	+ if ( ! empty( $options['excl_cookies'] ) ) {
1469	+ $cookies_regex = $options['excl_cookies'];
1470	+ } else {
1471	+ $cookies_regex = '/^(wp-postpass\|wordpress_logged_in\|comment_author)_/';
1472	+ }
1473	+ // bypass the cache if an excluded cookie is found
1474	+ foreach ( $_COOKIE as $key => $value) {
1475	+ if ( preg_match( $cookies_regex, $key ) ) {
1476	+ return true;
1477	+ }
1478	+ }
1479	+ }
1480
1481	+ // check URL query parameters
1482	+ if ( ! empty( $_GET ) ) {
1483	+ // set regex matching URL query parameters that should not cause the cache to be bypassed
1484	+ if ( ! empty( $options['incl_parameters'] ) ) {
1485	+ $parameters_regex = $options['incl_parameters'];
1486	+ } else {
1487	+ $parameters_regex = '/^fbclid\|utm_(source\|medium\|campaign\|term\|content)$/';
1488	+ }
1489	+ // bypass the cache if no included URL query parameters are found
1490	+ if ( sizeof( preg_grep( $parameters_regex, array_keys( $_GET ), PREG_GREP_INVERT ) ) > 0 ) {
1491	return true;
1492	}
1493	}

1497
1498
1499	/**
1500	+ * minify HTML
1501	*
1502	* @since 1.0.0
1503	* @change 1.0.0

1508	* @hook array cache_minify_ignore_tags
1509	*/
1510
1511	+ private static function _minify_cache( $data ) {
1512
1513	// check if disabled
1514	if ( ! self::$options['minify_html'] ) {
1515	return $data;
1516	}
1517
1518	+ // HTML character limit
1519	+ if ( strlen( $data ) > 700000) {
1520	return $data;
1521	}
1522
1523	+ // HTML tags to ignore
1524	+ $ignore_tags = (array) apply_filters(
1525	'cache_minify_ignore_tags',
1526	array(
1527	'textarea',
1528	+ 'pre',
1529	)
1530	);
1531
1532	// ignore JS if selected
1533	if ( self::$options['minify_html'] !== self::MINIFY_HTML_JS ) {
1534	+ $ignore_tags = array( 'script' );
1535	}
1536
1537	// return of no ignore tags

1540	}
1541
1542	// stringify
1543	+ $ignore_regex = implode( '\|', $ignore_tags );
1544
1545	// regex minification
1546	$cleaned = preg_replace(
1547	array(
1548	'/<!--[^\[><](.*?)-->/s',
1549	+ '#(?ix)(?>[^\S ]\s\|\s{2,})(?=(?:(?:[^<]++\|<(?!/?(?:' . $ignore_regex . ')\b))+)(?:<(?>' . $ignore_regex . ')\b\|\z))#',
1550	),
1551	array(
1552	'',
1553	+ ' ',
1554	),
1555	$data
1556	);
1557
1558	// something went wrong
1559	+ if ( strlen( $cleaned ) <= 1 ) {
1560	return $data;
1561	}
1562

1568	* clear complete cache
1569	*
1570	* @since 1.0.0
1571	+ * @change 1.4.0
1572	*/
1573
1574	public static function clear_total_cache() {


1575
1576	// clear disk cache
1577	Cache_Enabler_Disk::clear_cache();
1578
1579	// delete transient
1580	+ delete_transient( 'cache_size' );
1581
1582	// clear cache post hook
1583	+ do_action( 'ce_action_cache_cleared' );
1584	}
1585
1586
1587	/**
1588	+ * WooCommerce stock hooks
1589	*
1590	+ * @since 1.3.0
1591	+ * @change 1.4.0
1592	+ *
1593	+ * @param integer\|WC_Product $product product ID or product instance
1594	*/
1595
1596	+ public static function on_woocommerce_stock_update( $product ) {


1597
1598	+ // get product ID
1599	+ if ( is_int( $product ) ) {
1600	+ $product_id = $product;
1601	+ } else {
1602	+ $product_id = $product->get_id();
1603	+ }
1604	+
1605	+ // if option enabled clear complete cache on product stock update
1606	+ if ( self::$options['update_product_stock'] ) {
1607	+ self::clear_total_cache();
1608	+ } else {
1609	+ self::clear_page_cache_by_post_id( $product_id );
1610	+ }
1611	}
1612
1613

1615	* set cache
1616	*
1617	* @since 1.0.0
1618	+ * @change 1.3.1
1619	*
1620	* @param string $data content of a page
1621	* @return string $data content of a page
1622	+ *
1623	+ * @hook string cache_enabler_before_store
1624	*/
1625
1626	+ public static function set_cache( $data ) {
1627
1628	// check if empty
1629	+ if ( empty( $data ) ) {
1630	return '';
1631	}
1632
1633	+ $data = apply_filters( 'cache_enabler_before_store', $data );
1634
1635	// store as asset
1636	call_user_func(
1637	array(
1638	self::$disk,
1639	+ 'store_asset',
1640	),
1641	+ self::_minify_cache( $data )
1642	);
1643
1644	return $data;

1649	* handle cache
1650	*
1651	* @since 1.0.0
1652	+ * @change 1.4.0
1653	*/
1654
1655	public static function handle_cache() {

1663	$cached = call_user_func(
1664	array(
1665	self::$disk,
1666	+ 'check_asset',
1667	)
1668	);
1669
1670	+ // check if cache is empty
1671	+ if ( empty( $cached ) ) {
1672	+ ob_start( 'Cache_Enabler::set_cache' );
1673	+ return;
1674	+ }
1675	+
1676	+ // check trailing slash
1677	+ if ( self::handle_trailing_slash() ) {
1678	return;
1679	}
1680
1681	+ // get cache expiry status
1682	$expired = call_user_func(
1683	array(
1684	self::$disk,
1685	+ 'check_expiry',
1686	)
1687	);
1688
1689	+ // check if cache has expired
1690	if ( $expired ) {
1691	+ ob_start( 'Cache_Enabler::set_cache' );





1692	return;
1693	}
1694

1696	call_user_func(
1697	array(
1698	self::$disk,
1699	+ 'get_asset',
1700	)
1701	);
1702	}

1706	* add clear option dropdown on post publish widget
1707	*
1708	* @since 1.0.0
1709	+ * @change 1.4.0
1710	*/
1711
1712	public static function add_clear_dropdown() {
1713
1714	+ // on published post/page only
1715	+ if ( empty( $GLOBALS['pagenow'] ) \|\| $GLOBALS['pagenow'] !== 'post.php' \|\| empty( $GLOBALS['post'] ) \|\| ! is_object( $GLOBALS['post'] ) \|\| $GLOBALS['post']->post_status !== 'publish' ) {
1716	return;
1717	}
1718
1719	// check user role
1720	+ if ( ! current_user_can( 'publish_posts' ) ) {
1721	return;
1722	}
1723
1724	// validate nonce
1725	+ wp_nonce_field( CE_BASE, '_cache__status_nonce_' . $GLOBALS['post']->ID );
1726
1727	+ // get current publishing action
1728	+ $current_action = (int) get_user_meta(
1729	get_current_user_id(),
1730	'_clear_post_cache_on_update',
1731	true

1734	// init variables
1735	$dropdown_options = '';
1736	$available_options = array(
1737	+ esc_html__( 'Page specific', 'cache-enabler' ),
1738	+ esc_html__( 'Completely', 'cache-enabler' ),
1739	);
1740
1741	// set dropdown options
1742	+ foreach ( $available_options as $key => $value ) {
1743	$dropdown_options .= sprintf(
1744	'<option value="%1$d" %3$s>%2$s</option>',
1745	$key,
1746	$value,
1747	+ selected( $key, $current_action, false )
1748	);
1749	}
1750
1751	+ // output dropdown
1752	echo sprintf(
1753	'<div class="misc-pub-section" style="border-top:1px solid #eee">
1754	<label for="cache_action">
1755	+ %1$s: <strong id="output-cache-action">%2$s</strong>
1756	</label>
1757	<a href="#" class="edit-cache-action hide-if-no-js">%3$s</a>
1758

1762	</select>
1763
1764	<a href="#" class="save-cache-action hide-if-no-js button">%5$s</a>
1765	+ <a href="#" class="cancel-cache-action hide-if-no-js button-cancel">%6$s</a>
1766	</div>
1767	</div>',
1768	+ esc_html__( 'Clear cache', 'cache-enabler' ),
1769	+ $available_options[ $current_action ],
1770	+ esc_html__( 'Edit' ),
1771	$dropdown_options,
1772	+ esc_html__( 'OK' ),
1773	+ esc_html__( 'Cancel' )
1774	);
1775	}
1776

1782	* @change 1.0.0
1783	*/
1784
1785	+ public static function add_admin_resources( $hook ) {
1786
1787	// hook check
1788	if ( $hook !== 'index.php' && $hook !== 'post.php' ) {

1790	}
1791
1792	// plugin data
1793	+ $plugin_data = get_plugin_data( CE_FILE );
1794
1795	// enqueue scripts
1796	+ switch( $hook ) {
1797
1798	case 'post.php':
1799	wp_enqueue_script(
1800	'cache-post',
1801	+ plugins_url( 'js/post.js', CE_FILE ),
1802	+ array( 'jquery' ),
1803	$plugin_data['Version'],
1804	true
1805	);

1827	'cache-enabler',
1828	array(
1829	__CLASS__,
1830	+ 'settings_page',
1831	)
1832	);
1833	}

1839	* @since 1.0.0
1840	* @change 1.0.0
1841	*
1842	+ * @return array cache minification options
1843	*/
1844
1845	private static function _minify_select() {
1846
1847	return array(
1848	+ self::MINIFY_DISABLED => esc_html__( 'Disabled', 'cache-enabler' ),
1849	+ self::MINIFY_HTML_ONLY => esc_html__( 'HTML', 'cache-enabler' ),
1850	+ self::MINIFY_HTML_JS => esc_html__( 'HTML and Inline JS', 'cache-enabler' ),
1851	);
1852	}
1853
1854
1855	/**
1856	+ * check plugin requirements
1857	*
1858	* @since 1.1.0
1859	+ * @change 1.4.0
1860	*/
1861
1862	public static function requirements_check() {
1863



1864	// WordPress version check
1865	+ if ( version_compare( $GLOBALS['wp_version'], CE_MIN_WP . 'alpha', '<' ) ) {
1866	show_message(
1867	sprintf(
1868	'<div class="error"><p>%s</p></div>',
1869	sprintf(
1870	+ esc_html__( 'The %s is optimized for WordPress %s. Please disable the plugin or upgrade your WordPress installation (recommended).', 'cache-enabler' ),
1871	+ '<strong>Cache Enabler</strong>',
1872	CE_MIN_WP
1873	)
1874	)

1876	}
1877
1878	// permission check
1879	+ if ( file_exists( CE_CACHE_DIR ) && ! is_writable( CE_CACHE_DIR ) ) {
1880	show_message(
1881	sprintf(
1882	'<div class="error"><p>%s</p></div>',
1883	sprintf(
1884	+ esc_html__( 'The %s plugin requires write permissions %s in %s. Please change the %s.', 'cache-enabler' ),
1885	+ '<strong>Cache Enabler</strong>',
1886	'<code>755</code>',
1887	'<code>wp-content/cache</code>',
1888	+ sprintf(
1889	+ '<a href="%s" target="_blank"></a>',
1890	+ 'https://wordpress.org/support/article/changing-file-permissions/',
1891	+ esc_html__( 'file permissions', 'cache-enabler' )
1892	+ )
1893	)
1894	)
1895	);
1896	}
1897
1898	// autoptimize minification check
1899	+ if ( defined( 'AUTOPTIMIZE_PLUGIN_DIR' ) && self::$options['minify_html'] && get_option( 'autoptimize_html', '' ) !== '' ) {
1900	show_message(
1901	sprintf(
1902	'<div class="error"><p>%s</p></div>',
1903	sprintf(
1904	+ esc_html__( 'The %s plugin is already active. Please disable %s in the %s.', 'cache-enabler' ),
1905	+ '<strong>Autoptimize</strong>',
1906	+ esc_html__( 'Cache Minification', 'cache-enabler' ),
1907	+ sprintf(
1908	+ '<a href="%s">%s</a>',
1909	+ admin_url( 'options-general.php' ) . '?page=cache-enabler',
1910	+ esc_html__( 'Cache Enabler Settings', 'cache-enabler' )
1911	+ )
1912	)
1913	)
1914	);

1925
1926	public static function register_textdomain() {
1927
1928	+ // load translated strings
1929	load_plugin_textdomain(
1930	'cache-enabler',
1931	false,

1933	);
1934	}
1935





























1936
1937	/**
1938	* register settings

1948	'cache-enabler',
1949	array(
1950	__CLASS__,
1951	+ 'validate_settings',
1952	)
1953	);
1954	}
1955
1956
1957	/**
1958	+ * handle trailing slash
1959	+ *
1960	+ * @since 1.2.3
1961	+ * @change 1.4.0
1962	+ *
1963	+ * @return boolean true if cache should be bypassed to allow a redirect, false otherwise
1964	+ */
1965	+
1966	+ public static function handle_trailing_slash() {
1967	+
1968	+ $permalink_structure = get_option( 'permalink_structure' );
1969	+
1970	+ if ( $permalink_structure && preg_match( '/\/$/', $permalink_structure ) ) {
1971	+ // record permalink structure has trailing slash for advanced cache
1972	+ Cache_Enabler_Disk::record_advcache_settings( array(
1973	+ 'permalink_trailing_slash' => true,
1974	+ ) );
1975	+ // if trailing slash is missing, check if we have to bypass the cache to allow a redirect
1976	+ if ( ! preg_match( '/\/(\|\?.*)$/', $_SERVER['REQUEST_URI'] ) ) {
1977	+ return true;
1978	+ }
1979	+ } else {
1980	+ // record permalink structure does not have trailing slash for advanced cache
1981	+ Cache_Enabler_Disk::record_advcache_settings( array(
1982	+ 'permalink_trailing_slash' => false,
1983	+ ) );
1984	+ // if trailing slash is appended, check if we have to bypass the cache to allow a redirect
1985	+ if ( preg_match( '/(?!^)\/(\|\?.*)$/', $_SERVER['REQUEST_URI'] ) ) {
1986	+ return true;
1987	+ }
1988	+ }
1989	+
1990	+ return false;
1991	+ }
1992	+
1993	+
1994	+ /**
1995	+ * validate regex
1996	*
1997	* @since 1.2.3
1998	+ * @change 1.2.3
1999	*
2000	+ * @param string $re string containing regex
2001	+ * @return string string containing regex or empty string if input is invalid
2002	*/
2003
2004	+ public static function validate_regex( $re ) {

2005
2006	+ if ( $re !== '' ) {
2007	+ if ( ! preg_match( '/^\/.*\/$/', $re ) ) {
2008	+ $re = '/' . $re . '/';
2009	}
2010
2011	+ if ( @preg_match( $re, null ) === false ) {
2012	return '';
2013	}
2014
2015	+ return sanitize_text_field( $re );
2016	}
2017
2018	return '';

2022	* validate settings
2023	*
2024	* @since 1.0.0
2025	+ * @change 1.4.0
2026	*
2027	+ * @param array $data form data array
2028	+ * @return array valid form data array
2029	*/
2030
2031	+ public static function validate_settings( $data ) {
2032
2033	// check if empty
2034	+ if ( empty( $data ) ) {
2035	return;
2036	}
2037
2038	+ // check if cache should be cleared
2039	+ if ( isset( $data['clear_cache'] ) && $data['clear_cache'] ) {
2040	+ self::clear_total_cache();
2041	+ }
2042
2043	+ // ignore results and call permalink structure recording
2044	+ self::handle_trailing_slash();
2045
2046	+ // record cache expiry for advanced cache
2047	if ( $data['expires'] > 0 ){
2048	+ Cache_Enabler_Disk::record_advcache_settings( array(
2049	+ 'expires' => $data['expires'],
2050	+ ) );







2051	} else {
2052	+ Cache_Enabler_Disk::delete_advcache_settings( array( 'expires' ) );
2053	}
2054
2055	+ // record cookies cache exclusion for advanced cache
2056	+ if ( strlen( $data['excl_cookies'] ) > 0 ) {
2057	+ Cache_Enabler_Disk::record_advcache_settings( array(
2058	+ 'excl_cookies' => $data['excl_cookies'],
2059	+ ) );
2060	} else {
2061	+ Cache_Enabler_Disk::delete_advcache_settings( array( 'excl_cookies' ) );
2062	}
2063
2064	+ // record URL query parameters inclusion for advanced cache
2065	+ if ( strlen( $data['incl_parameters'] ) > 0 ) {
2066	+ Cache_Enabler_Disk::record_advcache_settings( array(
2067	+ 'incl_parameters' => $data['incl_parameters'],
2068	+ ) );
2069	} else {
2070	+ Cache_Enabler_Disk::delete_advcache_settings( array( 'incl_parameters' ) );
2071	}
2072
2073	return array(
2074	+ 'expires' => (int) $data['expires'],
2075	+ 'clear_on_upgrade' => (int) ( ! empty( $data['clear_on_upgrade'] ) ),
2076	+ 'new_post' => (int) ( ! empty( $data['new_post'] ) ),
2077	+ 'new_comment' => (int) ( ! empty( $data['new_comment'] ) ),
2078	+ 'update_product_stock' => (int) ( ! empty( $data['update_product_stock'] ) ),
2079	+ 'webp' => (int) ( ! empty( $data['webp'] ) ),
2080	+ 'compress' => (int) ( ! empty( $data['compress'] ) ),
2081	+ 'excl_ids' => (string) sanitize_text_field( @$data['excl_ids'] ),
2082	+ 'excl_paths' => (string) self::validate_regex( @$data['excl_paths'] ),
2083	+ 'excl_cookies' => (string) self::validate_regex( @$data['excl_cookies'] ),
2084	+ 'incl_parameters' => (string) self::validate_regex( @$data['incl_parameters'] ),
2085	+ 'minify_html' => (int) $data['minify_html'],
2086	);
2087	}
2088

2091	* settings page
2092	*
2093	* @since 1.0.0
2094	+ * @change 1.4.0
2095	*/
2096
2097	public static function settings_page() {
2098
2099	+ // WP_CACHE check
2100	+ if ( ! defined( 'WP_CACHE' ) \|\| ! WP_CACHE ) {
2101	+ show_message(

2102	sprintf(
2103	+ '<div class="notice notice-warning"><p>%s</p></div>',
2104	+ sprintf(
2105	+ esc_html__( '%s is not set in the %s file.', 'cache-enabler' ),
2106	+ "<code>define('WP_CACHE', true);</code>",
2107	+ '<code>wp-config.php</code>'
2108	+ )
2109	)
2110	);
2111	}
2112
2113	?>
2114
2115	+ <div id="cache-enabler-settings" class="wrap">
2116	<h2>
2117	+ <?php esc_html_e( 'Cache Enabler Settings', 'cache-enabler' ); ?>
2118	</h2>
2119
2120	<div class="notice notice-info" style="margin-bottom: 35px;">
2121	+ <p>
2122	+ <?php
2123	+ printf(
2124	+ esc_html__( 'Combine %s with Cache Enabler for even better WordPress performance and achieve the next level of caching with a CDN.', 'cache-enabler' ),
2125	+ '<strong><a href="https://www.keycdn.com?utm_source=wp-admin&utm_medium=plugins&utm_campaign=cache-enabler">KeyCDN</a></strong>'
2126	+ );
2127	+ ?>
2128	+ </p>
2129	</div>
2130


2131	<form method="post" action="options.php">
2132	+ <?php settings_fields( 'cache-enabler' ); ?>
2133	+ <?php $options = self::_get_options(); ?>


2134	<table class="form-table">
2135	<tr valign="top">
2136	<th scope="row">
2137	+ <?php esc_html_e( 'Cache Expiry', 'cache-enabler' ); ?>
2138	</th>
2139	<td>
2140	+ <input name="cache-enabler[expires]" type="number" id="cache_expires" value="<?php echo esc_attr( $options['expires'] ); ?>" class="small-text" /> <?php esc_html_e( 'hours', 'cache-enabler' ); ?>
2141	+ <p class="description"><?php esc_html_e( 'An expiry time of 0 means that the cache never expires.', 'cache-enabler' ); ?></p>




2142	</td>
2143	</tr>
2144	<tr valign="top">
2145	<th scope="row">
2146	+ <?php esc_html_e( 'Cache Behavior', 'cache-enabler' ); ?>
2147	</th>
2148	<td>
2149	<fieldset>
2150	+ <label for="cache_clear_on_upgrade">
2151	+ <input name="cache-enabler[clear_on_upgrade]" type="checkbox" id="cache_clear_on_upgrade" value="1" <?php checked( '1', $options['clear_on_upgrade'] ); ?> />
2152	+ <?php esc_html_e( 'Clear the complete cache if a plugin has been activated, updated, or deactivated.', 'cache-enabler' ); ?>
2153	+ <span style="display: inline-block; color: #155724; background-color: #d4edda; font-size: 75%; font-weight: 700; white-space: nowrap; border-radius: .25rem; padding: .25em .4em; margin-left: .5rem;"><?php esc_html_e( 'Updated', 'cache-enabler' ); ?></span>
2154	+ </label>
2155	+
2156	+ <br />
2157	+
2158	<label for="cache_new_post">
2159	+ <input name="cache-enabler[new_post]" type="checkbox" id="cache_new_post" value="1" <?php checked( '1', $options['new_post'] ); ?> />
2160	+ <?php esc_html_e( 'Clear the complete cache if any new post type has been published (instead of only the home page cache).', 'cache-enabler' ); ?>
2161	</label>
2162
2163	<br />
2164
2165	<label for="cache_new_comment">
2166	+ <input name="cache-enabler[new_comment]" type="checkbox" id="cache_new_comment" value="1" <?php checked( '1', $options['new_comment'] ); ?> />
2167	+ <?php esc_html_e( 'Clear the complete cache if a new comment has been posted (instead of only the page specific cache).', 'cache-enabler' ); ?>
2168	</label>
2169
2170	<br />
2171
2172	+ <?php if ( is_plugin_active( 'woocommerce/woocommerce.php') ): ?>
2173	+ <label for="cache_update_product_stock">
2174	+ <input name="cache-enabler[update_product_stock]" type="checkbox" id="cache_update_product_stock" value="1" <?php checked( '1', $options['update_product_stock'] ); ?> />
2175	+ <?php esc_html_e( 'Clear the complete cache if a product stock has been updated (instead of only the page specific cache).', 'cache-enabler' ); ?>
2176	+ <span style="display: inline-block; color: #155724; background-color: #d4edda; font-size: 75%; font-weight: 700; white-space: nowrap; border-radius: .25rem; padding: .25em .4em; margin-left: .5rem;"><?php esc_html_e( 'New', 'cache-enabler' ); ?></span>
2177	</label>
2178
2179	<br />
2180	+ <?php endif; ?>
2181
2182	+ <label for="cache_compress">
2183	+ <input name="cache-enabler[compress]" type="checkbox" id="cache_compress" value="1" <?php checked( '1', $options['compress'] ); ?> />
2184	+ <?php esc_html_e( 'Pre-compression of cached pages. Needs to be disabled if the decoding fails in the web browser.', 'cache-enabler' ); ?>
2185	</label>
2186
2187	<br />
2188
2189	+ <label for="cache_webp">
2190	+ <input name="cache-enabler[webp]" type="checkbox" id="cache_webp" value="1" <?php checked( '1', $options['webp'] ); ?> />
2191	+ <?php printf( esc_html__( 'Create an additional cached version for WebP image support. Convert your images to WebP with %s.', 'cache-enabler' ), '<a href="https://optimus.io" target="_blank">Optimus</a>' ); ?>
2192	</label>
2193	</fieldset>
2194	</td>

2196
2197	<tr valign="top">
2198	<th scope="row">
2199	+ <?php esc_html_e( 'Cache Exclusions', 'cache-enabler' ); ?>
2200	</th>
2201	<td>
2202	<fieldset>
2203	<label for="cache_excl_ids">
2204	+ <input name="cache-enabler[excl_ids]" type="text" id="cache_excl_ids" value="<?php echo esc_attr( $options['excl_ids'] ) ?>" class="regular-text" />
2205	+ <p class="description"><?php printf( esc_html__( 'Post and page IDs separated by a %s that should not be cached.', 'cache-enabler' ), '<code>,</code>' ); ?>
2206	+ <p><?php esc_html_e( 'Example:', 'cache-enabler' ); ?> <code>2,43,65</code></p>
2207	</p>
2208	</label>
2209
2210	<br />
2211
2212	+ <label for="cache_excl_paths">
2213	+ <input name="cache-enabler[excl_paths]" type="text" id="cache_excl_paths" value="<?php echo esc_attr( $options['excl_paths'] ) ?>" class="regular-text code" />
2214	+ <p class="description"><?php esc_html_e( 'A regex matching page paths that should not be cached.', 'cache-enabler' ); ?></p>
2215	+ <p><?php esc_html_e( 'Example:', 'cache-enabler' ); ?> <code>/(^\/$\|\/robot\/$\|^\/2018\/.*\/test\/)/</code></p>


2216	</label>
2217
2218	<br />
2219
2220	<label for="cache_excl_cookies">
2221	+ <input name="cache-enabler[excl_cookies]" type="text" id="cache_excl_cookies" value="<?php echo esc_attr( $options['excl_cookies'] ) ?>" class="regular-text code" />
2222	+ <p class="description"><?php esc_html_e( 'A regex matching cookies that should cause the cache to be bypassed.', 'cache-enabler' ); ?></p>
2223	+ <p><?php esc_html_e( 'Example:', 'cache-enabler' ); ?> <code>/^(wp-postpass\|wordpress_logged_in\|comment_author\|woocommerce_items_in_cart\|wp_woocommerce_session)_?/</code></p>
2224	+ <p><?php esc_html_e( 'Default if unset:', 'cache-enabler' ); ?> <code>/^(wp-postpass\|wordpress_logged_in\|comment_author)_/</code></p>


2225	</label>
2226	</fieldset>
2227	</td>

2229
2230	<tr valign="top">
2231	<th scope="row">
2232	+ <?php esc_html_e( 'Cache Inclusions', 'cache-enabler' ); ?>
2233	</th>
2234	<td>
2235	<fieldset>
2236	+ <label for="cache_incl_parameters">
2237	+ <input name="cache-enabler[incl_parameters]" type="text" id="cache_incl_parameters" value="<?php echo esc_attr( $options['incl_parameters'] ) ?>" class="regular-text code" />
2238	+ <p class="description"><?php esc_html_e( 'A regex matching URL query parameters that should not cause the cache to be bypassed.', 'cache-enabler' ); ?></p>
2239	+ <p><?php esc_html_e( 'Example:', 'cache-enabler' ); ?> <code>/^fbclid\|pk_(source\|medium\|campaign\|kwd\|content)$/</code></p>
2240	+ <p><?php esc_html_e( 'Default if unset:', 'cache-enabler' ); ?> <code>/^fbclid\|utm_(source\|medium\|campaign\|term\|content)$/</code><span style="display: inline-block; color: #155724; background-color: #d4edda; font-size: 75%; font-weight: 700; white-space: nowrap; border-radius: .25rem; padding: .25em .4em; margin-left: .5rem;"><?php esc_html_e( 'Updated', 'cache-enabler' ); ?></span></p>


2241	</label>
2242	</fieldset>
2243	</td>

2245
2246	<tr valign="top">
2247	<th scope="row">
2248	+ <?php esc_html_e( 'Cache Minification', 'cache-enabler' ); ?>
2249	</th>
2250	<td>
2251	<label for="cache_minify_html">
2252	<select name="cache-enabler[minify_html]" id="cache_minify_html">
2253	+ <?php foreach ( self::_minify_select() as $key => $value ): ?>
2254	+ <option value="<?php echo esc_attr( $key ) ?>" <?php selected( $options['minify_html'], $key ); ?>>
2255	+ <?php echo esc_html( $value ) ?>
2256	</option>
2257	+ <?php endforeach; ?>
2258	</select>
2259	</label>
2260	</td>
2261	</tr>









2262	</table>
2263	+
2264	+ <p class="submit">
2265	+ <input type="submit" class="button-secondary" value="<?php esc_html_e( 'Save Changes', 'cache-enabler' ); ?>" />
2266	+ <input name="cache-enabler[clear_cache]" type="submit" class="button-primary" value="<?php esc_html_e( 'Save Changes and Clear Cache', 'cache-enabler' ); ?>" />
2267	+ </p>
2268	</form>
2269	+ </div>
2270	+
2271	+ <?php
2272	+
2273	}
2274	}

inc/cache_enabler_cli.class.php CHANGED Viewed

	@@ -1,9 +1,19 @@
1	<?php






2	/**
3	- * Interact with Cache Enabler.


4	*/

5	class Cache_Enabler_CLI {
6

7	/**
8	* Clear the page cache.
9	*
	@@ -28,7 +38,9 @@ class Cache_Enabler_CLI {
28	*
29	* @alias clear
30	*/

31	public function clear( $args, $assoc_args ) {

32	$assoc_args = wp_parse_args(
33	$assoc_args,
34	array(
	@@ -37,14 +49,14 @@ class Cache_Enabler_CLI {
37	)
38	);
39
40	- // clear everything if we ~~aren't~~ given IDs and/or URLs.
41	if ( empty( $assoc_args['ids'] ) && empty( $assoc_args['urls'] ) ) {
42	Cache_Enabler::clear_total_cache();
43
44	return WP_CLI::success( esc_html__( 'The page cache has been cleared.', 'cache-enabler' ) );
45	}
46
47	- // clear specific IDs and/or URLs.
48	array_map( 'Cache_Enabler::clear_page_cache_by_post_id', explode( ',', $assoc_args['ids'] ) );
49	array_map( 'Cache_Enabler::clear_page_cache_by_url', explode( ',', $assoc_args['urls'] ) );
50


1	<?php
2	+
3	+
4	+ // exit
5	+ defined( 'ABSPATH' ) \|\| exit;
6	+
7	+
8	/**
9	+ * Interact with Cache Enabler
10	+ *
11	+ * @since 1.3.5
12	*/
13	+
14	class Cache_Enabler_CLI {
15
16	+
17	/**
18	* Clear the page cache.
19	*

38	*
39	* @alias clear
40	*/
41	+
42	public function clear( $args, $assoc_args ) {
43	+
44	$assoc_args = wp_parse_args(
45	$assoc_args,
46	array(

49	)
50	);
51
52	+ // clear everything if we are not given IDs and/or URLs
53	if ( empty( $assoc_args['ids'] ) && empty( $assoc_args['urls'] ) ) {
54	Cache_Enabler::clear_total_cache();
55
56	return WP_CLI::success( esc_html__( 'The page cache has been cleared.', 'cache-enabler' ) );
57	}
58
59	+ // clear specific IDs and/or URLs
60	array_map( 'Cache_Enabler::clear_page_cache_by_post_id', explode( ',', $assoc_args['ids'] ) );
61	array_map( 'Cache_Enabler::clear_page_cache_by_url', explode( ',', $assoc_args['urls'] ) );
62

inc/cache_enabler_disk.class.php CHANGED Viewed

	@@ -2,13 +2,13 @@
2
3
4	// exit
5	- defined('ABSPATH') OR exit;
6
7
8	/**
9	* Cache_Enabler_Disk
10	*
11	- * @since 1.0.0
12	*/
13
14	final class Cache_Enabler_Disk {
	@@ -17,14 +17,15 @@ final class Cache_Enabler_Disk {
17	/**
18	* cached filename settings
19	*
20	- * @since 1.0.7
21	- * @change 1.0.7
22	*
23	- * @var string
24	*/
25
26	- const ~~FILE_HTML~~ = 'index~~.html~~';
27	- const ~~FILE_GZIP~~ = 'index.html~~.gz~~';

28	const FILE_WEBP_HTML = 'index-webp.html';
29	const FILE_WEBP_GZIP = 'index-webp.html.gz';
30
	@@ -39,7 +40,8 @@ final class Cache_Enabler_Disk {
39	*/
40
41	public static function is_permalink() {
42	- ~~return get_option('permalink_structure');~~

43	}
44
45
	@@ -49,21 +51,18 @@ final class Cache_Enabler_Disk {
49	* @since 1.0.0
50	* @change 1.0.0
51	*
52	- * @param string $data content of the asset
53	*/
54
55	- public static function store_asset($data) {
56
57	// check if empty
58	- if ( empty($data) ) {
59	- wp_die('Asset is empty.');
60	}
61
62	// save asset
63	- self::_create_files(
64	- $data
65	- );
66	-
67	}
68
69
	@@ -77,9 +76,8 @@ final class Cache_Enabler_Disk {
77	*/
78
79	public static function check_asset() {
80	- ~~return is_readable(~~
81	- self::_file_html()
82	- );
83	}
84
85
	@@ -94,24 +92,23 @@ final class Cache_Enabler_Disk {
94
95	public static function check_expiry() {
96
97	- // ~~cache~~ ~~enabler~~ options
98	$options = Cache_Enabler::$options;
99
100	- // check if ~~expires~~ is ~~active~~
101	- if ($options['expires'] == 0) {
102	return false;
103	}
104
105	$now = time();
106	- $expires_seconds = 3600*$options['expires'];
107
108	// check if asset has expired
109	- if ( ( filemtime(self::_file_html()) + $expires_seconds ) <= $now ) {
110	return true;
111	}
112
113	return false;
114	-
115	}
116
117
	@@ -121,20 +118,18 @@ final class Cache_Enabler_Disk {
121	* @since 1.0.0
122	* @change 1.0.0
123	*
124	- * @param string $url ~~url~~ of cached asset
125	*/
126
127	- public static function delete_asset($url) {
128
129	- // check if ~~url~~ empty
130	- if ( empty($url) ) {
131	- wp_die('URL is empty.');
132	}
133
134	// delete
135	- self::_clear_dir(
136	- self::_file_path($url)
137	- );
138	}
139
140
	@@ -146,9 +141,9 @@ final class Cache_Enabler_Disk {
146	*/
147
148	public static function clear_cache() {
149	- ~~self::_clear_dir(~~
150	- ~~CE_CACHE_DIR~~
151	- );
152	}
153
154
	@@ -156,22 +151,20 @@ final class Cache_Enabler_Disk {
156	* clear home cache
157	*
158	* @since 1.0.7
159	- * @change 1.0.9
160	*/
161
162	public static function clear_home() {

163	$path = sprintf(
164	'%s%s%s%s',
165	CE_CACHE_DIR,
166	DIRECTORY_SEPARATOR,
167	- preg_replace('#^https?://#', '', get_option('siteurl')),
168	DIRECTORY_SEPARATOR
169	);
170
171	- @unlink($path.self::~~FILE_HTML~~);
172	- @unlink($path.self::FILE_GZIP);
173	- @unlink($path.self::FILE_WEBP_HTML);
174	- @unlink($path.self::FILE_WEBP_GZIP);
175	}
176
177
	@@ -184,19 +177,19 @@ final class Cache_Enabler_Disk {
184
185	public static function get_asset() {
186
187	- // set ~~cache~~ ~~handler~~ header
188	- header('x-~~cache~~-~~handler~~: php');
189
190	- // get ~~if-modified~~ request headers
191	if ( function_exists( 'apache_request_headers' ) ) {
192	- $headers = apache_request_headers();
193	$http_if_modified_since = ( isset( $headers[ 'If-Modified-Since' ] ) ) ? $headers[ 'If-Modified-Since' ] : '';
194	- $http_accept = ( isset( $headers[ 'Accept' ] ) ) ? $headers[ 'Accept' ] : '';
195	- $http_accept_encoding = ( isset( $headers[ 'Accept-Encoding' ] ) ) ? $headers[ 'Accept-Encoding' ] : '';
196	} else {
197	$http_if_modified_since = ( isset( $_SERVER[ 'HTTP_IF_MODIFIED_SINCE' ] ) ) ? $_SERVER[ 'HTTP_IF_MODIFIED_SINCE' ] : '';
198	- $http_accept = ( isset( $_SERVER[ 'HTTP_ACCEPT' ] ) ) ? $_SERVER[ 'HTTP_ACCEPT' ] : '';
199	- $http_accept_encoding = ( isset( $_SERVER[ 'HTTP_ACCEPT_ENCODING' ] ) ) ? $_SERVER[ 'HTTP_ACCEPT_ENCODING' ] : '';
200	}
201
202	// check modified since with cached file and return 304 if no difference
	@@ -206,9 +199,9 @@ final class Cache_Enabler_Disk {
206	}
207
208	// check webp and deliver gzip webp file if support
209	- if ( $http_accept && ( strpos($http_accept, 'webp') !== false ) ) {
210	if ( is_readable( self::_file_webp_gzip() ) ) {
211	- header('Content-Encoding: gzip');
212	readfile( self::_file_webp_gzip() );
213	exit;
214	} elseif ( is_readable( self::_file_webp_html() ) ) {
	@@ -218,8 +211,8 @@ final class Cache_Enabler_Disk {
218	}
219
220	// check encoding and deliver gzip file if support
221	- if ( $http_accept_encoding && ( strpos($http_accept_encoding, 'gzip') !== false ) && is_readable( self::_file_gzip() ) ) {
222	- header('Content-Encoding: gzip');
223	readfile( self::_file_gzip() );
224	exit;
225	}
	@@ -239,13 +232,14 @@ final class Cache_Enabler_Disk {
239	* @return string signature
240	*/
241
242	- private static function ~~_cache_signatur~~() {

243	return sprintf(
244	"\n\n<!-- %s @ %s",
245	'Cache Enabler by KeyCDN',
246	date_i18n(
247	'd.m.Y H:i:s',
248	- current_time('timestamp')
249	)
250	);
251	}
	@@ -255,48 +249,47 @@ final class Cache_Enabler_Disk {
255	* create files
256	*
257	* @since 1.0.0
258	- * @change 1.1.1
259	*
260	- * @param string $data ~~html~~ content
261	*/
262
263	- private static function _create_files($data) {
264
265	- // ~~create~~ ~~folder~~
266	- if ( ~~! wp_mkdir_p( self::_file_path() ) ) {~~
267	- wp_die('Unable to create directory.');
268	- }
269
270	// get base signature
271	- $cache_signature = self::~~_cache_signatur~~();
272
273	- // ~~cache~~ ~~enabler options~~
274	- ~~$options~~ = ~~Cache_Enabler::$options;~~


275
276	// create files
277	- self::_create_file( self::_file_html(), $data.$cache_signature." (html) -->" );
278
279	// create pre-compressed file
280	- if ($options['compress']) {
281	- self::_create_file( self::_file_gzip(), gzencode($data.$cache_signature." (~~html~~ gzip) -->", 9) );
282	}
283
284	// create webp supported files
285	- if ($options['webp']) {
286	// magic regex rule
287	$regex_rule = '#(?<=(?:(ref\|src\|set)=[\"\']))(?:[^\"\']+)(\.png\|\.jp[e]?g)(?:[^\"\']+)?(?=[\"\')])#';
288
289	// call the webp converter callback
290	- $converted_data = apply_filters('cache_enabler_disk_webp_converted_data', preg_replace_callback($regex_rule,'self::_convert_webp',$data));
291
292	- self::_create_file( self::_file_webp_html(), $converted_data.$cache_signature." (webp) -->" );
293
294	// create pre-compressed file
295	- if ($options['compress']) {
296	- self::_create_file( self::_file_webp_gzip(), gzencode($converted_data.$cache_signature." (webp gzip) -->", 9) );
297	}
298	}
299	-
300	}
301
302
	@@ -307,26 +300,26 @@ final class Cache_Enabler_Disk {
307	* @change 1.0.0
308	*
309	* @param string $file file path
310	- * @param string $data content of the ~~html~~
311	*/
312
313	- private static function _create_file($file, $data) {
314
315	// open file handler
316	- if ( ! $handle = @fopen($file, 'wb') ) {
317	- wp_die('~~Can~~ ~~not~~ write to file.');
318	}
319
320	// write
321	- @fwrite($handle, $data);
322	- fclose($handle);
323	clearstatcache();
324
325	// set permissions
326	- $stat = @stat( dirname($file) );
327	$perms = $stat['mode'] & 0007777;
328	$perms = $perms & 0000666;
329	- @chmod($file, $perms);
330	clearstatcache();
331	}
332
	@@ -340,43 +333,44 @@ final class Cache_Enabler_Disk {
340	* @param string $dir directory
341	*/
342
343	- private static function _clear_dir($dir) {
344
345	// remove slashes
346	- $dir = untrailingslashit($dir);
347
348	- // check if ~~dir~~
349	- if ( ! is_dir($dir) ) {
350	return;
351	}
352
353	- // get ~~dir~~ data
354	- $data_dir = @scandir($dir);
355	- if(gettype($data_dir) === 'array') {
356	$objects = array_diff(
357	$data_dir,
358	- array('..', '.')
359	);
360	}
361
362	- if ( empty~~($objects) ) {~~

363	return;
364	}
365
366	foreach ( $objects as $object ) {
367	// full path
368	- $object = $dir. DIRECTORY_SEPARATOR .$object;
369
370	// check if directory
371	- if ( is_dir($object) ) {
372	- self::_clear_dir($object);
373	} else {
374	- @unlink($object);
375	}
376	}
377
378	// delete
379	- @rmdir($dir);
380
381	// clears file status cache
382	clearstatcache();
	@@ -393,20 +387,20 @@ final class Cache_Enabler_Disk {
393	* @return mixed $size size in bytes
394	*/
395
396	- public static function cache_size($dir = '.') {
397
398	- // check if not ~~dir~~
399	- if ( ! is_dir($dir) ) {
400	return;
401	}
402
403	- // get ~~dir~~ data
404	$objects = array_diff(
405	- scandir($dir),
406	- array('..', '.')
407	);
408
409	- if ( empty($objects) ) {
410	return;
411	}
412
	@@ -414,13 +408,13 @@ final class Cache_Enabler_Disk {
414
415	foreach ( $objects as $object ) {
416	// full path
417	- $object = $dir. DIRECTORY_SEPARATOR .$object;
418
419	- // check if ~~dir~~
420	- if ( is_dir($object) ) {
421	- $size += self::cache_size($object);
422	} else {
423	- $size += filesize($object);
424	}
425	}
426
	@@ -432,20 +426,20 @@ final class Cache_Enabler_Disk {
432	* cache path
433	*
434	* @since 1.0.0
435	- * @change 1.1.0
436	*
437	- * @param string $path ~~uri~~ or ~~permlink~~
438	- * @return string $diff path to cached ~~asset~~
439	*/
440
441	- private static function _file_path($path = ~~NULL~~) {
442
443	$path = sprintf(
444	'%s%s%s%s',
445	CE_CACHE_DIR,
446	DIRECTORY_SEPARATOR,
447	parse_url(
448	- ~~'http://' .strtolower~~(~~$_SERVER['HTTP_HOST']~~),
449	PHP_URL_HOST
450	),
451	parse_url(
	@@ -454,11 +448,37 @@ final class Cache_Enabler_Disk {
454	)
455	);
456
457	- if ( is_file($path) > 0 ) {
458	- wp_die('Path is not valid.');




















459	}
460
461	- ~~return~~ ~~trailingslashit($path);~~






462	}
463
464
	@@ -466,13 +486,14 @@ final class Cache_Enabler_Disk {
466	* get file path
467	*
468	* @since 1.0.0
469	- * @change 1.0.7
470	*
471	- * @return string path to the ~~html~~ file
472	*/
473
474	private static function _file_html() {
475	- ~~return self::_file_path(). self::FILE_HTML;~~

476	}
477
478
	@@ -480,13 +501,14 @@ final class Cache_Enabler_Disk {
480	* get gzip file path
481	*
482	* @since 1.0.1
483	- * @change 1.0.7
484	*
485	- * @return string path to the gzipped ~~html~~ file
486	*/
487
488	private static function _file_gzip() {
489	- ~~return self::_file_path(). self::FILE_GZIP;~~

490	}
491
492
	@@ -494,13 +516,14 @@ final class Cache_Enabler_Disk {
494	* get webp file path
495	*
496	* @since 1.0.7
497	- * @change 1.0.7
498	*
499	- * @return string path to the webp ~~html~~ file
500	*/
501
502	private static function _file_webp_html() {
503	- ~~return self::_file_path(). self::FILE_WEBP_HTML;~~

504	}
505
506
	@@ -508,32 +531,73 @@ final class Cache_Enabler_Disk {
508	* get gzip webp file path
509	*
510	* @since 1.0.1
511	- * @change 1.0.7
512	*
513	- * @return string path to the webp gzipped ~~html~~ file
514	*/
515
516	private static function _file_webp_gzip() {
517	- ~~return self::_file_path(). self::FILE_WEBP_GZIP;~~





































518	}
519
520
521	/**
522	* read settings file
523	*
524	- * @since 1.2.3

525	*
526	- * @~~return array~~ settings or ~~emtpy~~

527	*/
528
529	- private static function _read_settings($settings_file) {
530	- ~~if (! file_exists($settings_file) ) {~~
531	- ~~return~~ ~~[];~~


532	}
533
534	- if ( ! ~~$settings~~ = ~~json_decode(file_get_contents($settings_file),~~ ~~true)~~ ) {
535	- // if ~~there~~ is an ~~error~~ ~~reading~~ ~~our~~ ~~settings~~
536	- return [];
537	}
538
539	return $settings;
	@@ -543,13 +607,16 @@ final class Cache_Enabler_Disk {
543	/**
544	* write settings file
545	*
546	- * @since 1.2.3

547	*
548	- * @~~return~~ ~~void~~

549	*/
550
551	- private static function _write_settings($settings_file, $settings) {
552	- ~~file_put_contents( $settings_file, wp_json_encode($settings) );~~

553	}
554
555
	@@ -557,31 +624,27 @@ final class Cache_Enabler_Disk {
557	* record settings for advanced-cache.php
558	*
559	* @since 1.2.3

560	*
561	* @param array settings as array pairs
562	* @return boolean true if successful
563	*/
564
565	- public static function record_advcache_settings($settings) {
566	- ~~$settings_file = sprintf('%s-%s%s.json',~~
567	- ~~WP_CONTENT_DIR.~~ ~~"/cache/cache-enabler-advcache",~~
568	- ~~parse_url~~(
569	- 'http://' .strtolower($_SERVER['HTTP_HOST']),
570	- PHP_URL_HOST
571	- ),
572	- is_multisite() ? '-'. get_current_blog_id() : ''
573	- );
574
575	// create folder if neccessary
576	- if ( ! wp_mkdir_p(dirname($settings_file)) ) {
577	- wp_die('Unable to create directory.');
578	}
579
580	// merge with old settings
581	- $settings = array_merge(self::_read_settings($settings_file), $settings);
582
583	// update settings file
584	- self::_write_settings($settings_file, $settings);
585
586	return true;
587	}
	@@ -591,39 +654,36 @@ final class Cache_Enabler_Disk {
591	* delete settings for advanced-cache.php
592	*
593	* @since 1.2.3

594	*
595	- * @param array settings as array or empty for delete all
596	* @return boolean true if successful
597	*/
598
599	- public static function delete_advcache_settings($~~remsettings~~ = array()) {
600	- ~~$settings_file = sprintf('%s-%s%s.json',~~
601	- ~~WP_CONTENT_DIR.~~ ~~"/cache/cache-enabler-advcache",~~
602	- ~~parse_url~~(
603	- 'http://' .strtolower($_SERVER['HTTP_HOST']),
604	- PHP_URL_HOST
605	- ),
606	- is_multisite() ? '-'. get_current_blog_id() : ''
607	- );
608
609	- if ( ! ~~file_exists($settings_file)~~ or ~~empty($remsettings)) {~~

610	return true;
611	}
612
613	- $settings = self::_read_settings($settings_file);
614	- foreach ($~~remsettings~~ as $key) {
615	- if ( array_key_exists($key, $settings) ) {
616	- unset($settings[$key]);
617	}
618	}
619
620	- if (empty($settings)) {
621	- unlink($settings_file);
622	return true;
623	}
624
625	// update settings file
626	- self::_write_settings($settings_file, $settings);
627
628	return true;
629	}
	@@ -638,18 +698,17 @@ final class Cache_Enabler_Disk {
638	* @return string converted HTML file
639	*/
640
641	- private static function _convert_webp($asset) {
642
643	- if ($asset[1] == 'src') {
644	- return self::_convert_webp_src($asset[0]);
645	- } elseif ($asset[1] == 'ref') {
646	- return self::_convert_webp_src($asset[0]);
647	- } elseif ($asset[1] == 'set') {
648	- return self::_convert_webp_srcset($asset[0]);
649	}
650
651	return $asset[0];
652	-
653	}
654
655
	@@ -662,31 +721,32 @@ final class Cache_Enabler_Disk {
662	* @return string converted src webp source
663	*/
664
665	- private static function _convert_webp_src($src) {

666	$upload_dir = wp_upload_dir();
667	- $src_url = parse_url($upload_dir['baseurl']);
668	$upload_path = $src_url['path'];
669
670	- if ( strpos($src, $upload_path) !== false ) {
671
672	- $src_webp = str_replace('.jpg', '.webp', $src);
673	- $src_webp = str_replace('.jpeg', '.webp', $src_webp);
674	- $src_webp = str_replace('.png', '.webp', $src_webp);
675
676	- $parts = explode($upload_path, $src_webp);
677	$relative_path = $parts[1];
678
679	// check if relative path is not empty and file exists
680	- if ( !empty($relative_path) && file_exists($upload_dir['basedir'].$relative_path) ) {
681	return $src_webp;
682	} else {
683	// try appended webp extension
684	- $src_webp_appended = $src.'.webp';
685	- $parts_appended = explode($upload_path, $src_webp_appended);
686	$relative_path_appended = $parts_appended[1];
687
688	// check if relative path is not empty and file exists
689	- if ( !empty($relative_path_appended) && file_exists($upload_dir['basedir'].$relative_path_appended) ) {
690	return $src_webp_appended;
691	}
692	}
	@@ -705,49 +765,44 @@ final class Cache_Enabler_Disk {
705	* @return string converted srcset webp source
706	*/
707
708	- private static function _convert_webp_srcset($srcset) {
709
710	- $sizes = explode(', ', $srcset);
711	$upload_dir = wp_upload_dir();
712	- $src_url = parse_url($upload_dir['baseurl']);
713	$upload_path = $src_url['path'];
714
715	- for ($i=0; $i<count($sizes); $i++) {
716	-
717	- if ( ~~strpos(~~$sizes[$i], ~~$upload_path~~) ~~!== false ) {~~


718
719	- $~~src_webp~~ = ~~str_replace~~('~~.jpg',~~ '~~.webp'~~, $~~sizes[$i]~~);
720	- $~~src_webp~~ = ~~str_replace~~(~~'.jpeg',~~ ~~'.webp'~~, $~~src_webp~~);
721	- $src_webp = str_replace('.png', '.webp', $src_webp);
722	-
723	- $size_parts = explode(' ', $src_webp);
724	- $parts = explode($upload_path, $size_parts[0]);
725	$relative_path = $parts[1];
726
727	// check if relative path is not empty and file exists
728	- if ( !empty($relative_path) && file_exists($upload_dir['basedir'].$relative_path) ) {
729	- $sizes[$i] = $src_webp;
730	} else {
731	// try appended webp extension
732	- $size_parts_appended = explode(' ', $sizes[$i]);
733	- $src_webp_appended = $size_parts_appended[0].'.webp';
734	- $parts_appended = explode($upload_path, $src_webp_appended);
735	$relative_path_appended = $parts_appended[1];
736	- $src_webp_appended = $src_webp_appended.' '.$size_parts_appended[1];
737
738	// check if relative path is not empty and file exists
739	- if ( !empty($relative_path_appended) && file_exists($upload_dir['basedir'].$relative_path_appended) ) {
740	- $sizes[$i] = $src_webp_appended;
741	}
742	}
743	-
744	}
745	-
746	}
747
748	- $srcset = implode(', ', $sizes);
749
750	return $srcset;
751	}
752	-
753	}


2
3
4	// exit
5	+ defined( 'ABSPATH' ) \|\| exit;
6
7
8	/**
9	* Cache_Enabler_Disk
10	*
11	+ * @since 1.0.0
12	*/
13
14	final class Cache_Enabler_Disk {

17	/**
18	* cached filename settings
19	*
20	+ * @since 1.0.7
21	+ * @change 1.4.0
22	*
23	+ * @var string
24	*/
25
26	+ const FILE_GLOB = 'index';
27	+ const FILE_HTML = 'index.html';
28	+ const FILE_GZIP = 'index.html.gz';
29	const FILE_WEBP_HTML = 'index-webp.html';
30	const FILE_WEBP_GZIP = 'index-webp.html.gz';
31

40	*/
41
42	public static function is_permalink() {
43	+
44	+ return get_option( 'permalink_structure' );
45	}
46
47

51	* @since 1.0.0
52	* @change 1.0.0
53	*
54	+ * @param string $data content of the asset
55	*/
56
57	+ public static function store_asset( $data ) {
58
59	// check if empty
60	+ if ( empty( $data ) ) {
61	+ wp_die( 'Asset is empty.' );
62	}
63
64	// save asset
65	+ self::_create_files( $data );



66	}
67
68

76	*/
77
78	public static function check_asset() {
79	+
80	+ return is_readable( self::_file_html() );

81	}
82
83

92
93	public static function check_expiry() {
94
95	+ // get Cache Enabler options
96	$options = Cache_Enabler::$options;
97
98	+ // check if an expiry time is set
99	+ if ( $options['expires'] === 0) {
100	return false;
101	}
102
103	$now = time();
104	+ $expires_seconds = 3600 * $options['expires'];
105
106	// check if asset has expired
107	+ if ( ( filemtime( self::_file_html() ) + $expires_seconds ) <= $now ) {
108	return true;
109	}
110
111	return false;

112	}
113
114

118	* @since 1.0.0
119	* @change 1.0.0
120	*
121	+ * @param string $url URL of cached asset
122	*/
123
124	+ public static function delete_asset( $url ) {
125
126	+ // check if URL is empty
127	+ if ( empty( $url ) ) {
128	+ wp_die( 'URL is empty.' );
129	}
130
131	// delete
132	+ self::_clear_dir( self::_file_path( $url ) );


133	}
134
135

141	*/
142
143	public static function clear_cache() {
144	+
145	+ // clear complete cache
146	+ self::_clear_dir( CE_CACHE_DIR );
147	}
148
149

151	* clear home cache
152	*
153	* @since 1.0.7
154	+ * @change 1.4.0
155	*/
156
157	public static function clear_home() {
158	+
159	$path = sprintf(
160	'%s%s%s%s',
161	CE_CACHE_DIR,
162	DIRECTORY_SEPARATOR,
163	+ preg_replace( '#^https?://#', '', get_option( 'siteurl' ) ),
164	DIRECTORY_SEPARATOR
165	);
166
167	+ array_map( 'unlink', glob( $path . self::FILE_GLOB ) );



168	}
169
170

177
178	public static function get_asset() {
179
180	+ // set X-Cache-Handler response header
181	+ header( 'X-Cache-Handler: php' );
182
183	+ // get request headers
184	if ( function_exists( 'apache_request_headers' ) ) {
185	+ $headers = apache_request_headers();
186	$http_if_modified_since = ( isset( $headers[ 'If-Modified-Since' ] ) ) ? $headers[ 'If-Modified-Since' ] : '';
187	+ $http_accept = ( isset( $headers[ 'Accept' ] ) ) ? $headers[ 'Accept' ] : '';
188	+ $http_accept_encoding = ( isset( $headers[ 'Accept-Encoding' ] ) ) ? $headers[ 'Accept-Encoding' ] : '';
189	} else {
190	$http_if_modified_since = ( isset( $_SERVER[ 'HTTP_IF_MODIFIED_SINCE' ] ) ) ? $_SERVER[ 'HTTP_IF_MODIFIED_SINCE' ] : '';
191	+ $http_accept = ( isset( $_SERVER[ 'HTTP_ACCEPT' ] ) ) ? $_SERVER[ 'HTTP_ACCEPT' ] : '';
192	+ $http_accept_encoding = ( isset( $_SERVER[ 'HTTP_ACCEPT_ENCODING' ] ) ) ? $_SERVER[ 'HTTP_ACCEPT_ENCODING' ] : '';
193	}
194
195	// check modified since with cached file and return 304 if no difference

199	}
200
201	// check webp and deliver gzip webp file if support
202	+ if ( $http_accept && ( strpos( $http_accept, 'webp' ) !== false ) ) {
203	if ( is_readable( self::_file_webp_gzip() ) ) {
204	+ header( 'Content-Encoding: gzip' );
205	readfile( self::_file_webp_gzip() );
206	exit;
207	} elseif ( is_readable( self::_file_webp_html() ) ) {

211	}
212
213	// check encoding and deliver gzip file if support
214	+ if ( $http_accept_encoding && ( strpos( $http_accept_encoding, 'gzip' ) !== false ) && is_readable( self::_file_gzip() ) ) {
215	+ header( 'Content-Encoding: gzip' );
216	readfile( self::_file_gzip() );
217	exit;
218	}

232	* @return string signature
233	*/
234
235	+ private static function _cache_signature() {
236	+
237	return sprintf(
238	"\n\n<!-- %s @ %s",
239	'Cache Enabler by KeyCDN',
240	date_i18n(
241	'd.m.Y H:i:s',
242	+ current_time( 'timestamp' )
243	)
244	);
245	}

249	* create files
250	*
251	* @since 1.0.0
252	+ * @change 1.4.0
253	*
254	+ * @param string $data HTML content
255	*/
256
257	+ private static function _create_files( $data ) {
258
259	+ // get Cache Enabler options
260	+ $options = Cache_Enabler::$options;


261
262	// get base signature
263	+ $cache_signature = self::_cache_signature();
264
265	+ // create folder
266	+ if ( ! wp_mkdir_p( self::_file_path() ) ) {
267	+ wp_die( 'Unable to create directory.' );
268	+ }
269
270	// create files
271	+ self::_create_file( self::_file_html(), $data . $cache_signature . ' (' . self::_file_scheme() . ' html) -->' );
272
273	// create pre-compressed file
274	+ if ( $options['compress'] ) {
275	+ self::_create_file( self::_file_gzip(), gzencode( $data . $cache_signature . ' (' . self::_file_scheme() . ' gzip) -->', 9) );
276	}
277
278	// create webp supported files
279	+ if ( $options['webp'] ) {
280	// magic regex rule
281	$regex_rule = '#(?<=(?:(ref\|src\|set)=[\"\']))(?:[^\"\']+)(\.png\|\.jp[e]?g)(?:[^\"\']+)?(?=[\"\')])#';
282
283	// call the webp converter callback
284	+ $converted_data = apply_filters( 'cache_enabler_disk_webp_converted_data', preg_replace_callback( $regex_rule, 'self::_convert_webp', $data ) );
285
286	+ self::_create_file( self::_file_webp_html(), $converted_data . $cache_signature . ' (' . self::_file_scheme() . ' webp html) -->' );
287
288	// create pre-compressed file
289	+ if ( $options['compress'] ) {
290	+ self::_create_file( self::_file_webp_gzip(), gzencode( $converted_data . $cache_signature . ' (' . self::_file_scheme() . ' webp gzip) -->', 9) );
291	}
292	}

293	}
294
295

300	* @change 1.0.0
301	*
302	* @param string $file file path
303	+ * @param string $data content of the HTML
304	*/
305
306	+ private static function _create_file( $file, $data ) {
307
308	// open file handler
309	+ if ( ! $handle = @fopen( $file, 'wb' ) ) {
310	+ wp_die( 'Cannot write to file.' );
311	}
312
313	// write
314	+ @fwrite( $handle, $data );
315	+ fclose( $handle );
316	clearstatcache();
317
318	// set permissions
319	+ $stat = @stat( dirname( $file ) );
320	$perms = $stat['mode'] & 0007777;
321	$perms = $perms & 0000666;
322	+ @chmod( $file, $perms );
323	clearstatcache();
324	}
325

333	* @param string $dir directory
334	*/
335
336	+ private static function _clear_dir( $dir ) {
337
338	// remove slashes
339	+ $dir = untrailingslashit( $dir );
340
341	+ // check if directory
342	+ if ( ! is_dir( $dir ) ) {
343	return;
344	}
345
346	+ // get directory data
347	+ $data_dir = @scandir( $dir );
348	+ if( gettype( $data_dir ) === 'array' ) {
349	$objects = array_diff(
350	$data_dir,
351	+ array( '..', '.' )
352	);
353	}
354
355	+ // check if empty
356	+ if ( empty( $objects ) ) {
357	return;
358	}
359
360	foreach ( $objects as $object ) {
361	// full path
362	+ $object = $dir . DIRECTORY_SEPARATOR . $object;
363
364	// check if directory
365	+ if ( is_dir( $object ) ) {
366	+ self::_clear_dir( $object );
367	} else {
368	+ @unlink( $object );
369	}
370	}
371
372	// delete
373	+ @rmdir( $dir );
374
375	// clears file status cache
376	clearstatcache();

387	* @return mixed $size size in bytes
388	*/
389
390	+ public static function cache_size( $dir = '.' ) {
391
392	+ // check if not directory
393	+ if ( ! is_dir( $dir ) ) {
394	return;
395	}
396
397	+ // get directory data
398	$objects = array_diff(
399	+ scandir( $dir ),
400	+ array( '..', '.' )
401	);
402
403	+ if ( empty( $objects ) ) {
404	return;
405	}
406

408
409	foreach ( $objects as $object ) {
410	// full path
411	+ $object = $dir . DIRECTORY_SEPARATOR . $object;
412
413	+ // check if directory
414	+ if ( is_dir( $object ) ) {
415	+ $size += self::cache_size( $object );
416	} else {
417	+ $size += filesize( $object );
418	}
419	}
420

426	* cache path
427	*
428	* @since 1.0.0
429	+ * @change 1.4.0
430	*
431	+ * @param string $path URI or permalink
432	+ * @return string $diff path to cached file
433	*/
434
435	+ private static function _file_path( $path = null ) {
436
437	$path = sprintf(
438	'%s%s%s%s',
439	CE_CACHE_DIR,
440	DIRECTORY_SEPARATOR,
441	parse_url(
442	+ get_site_url(),
443	PHP_URL_HOST
444	),
445	parse_url(

448	)
449	);
450
451	+ if ( is_file( $path ) > 0 ) {
452	+ wp_die( 'Path is not valid.' );
453	+ }
454	+
455	+ return trailingslashit( $path );
456	+ }
457	+
458	+
459	+ /**
460	+ * get file scheme
461	+ *
462	+ * @since 1.4.0
463	+ * @change 1.4.0
464	+ *
465	+ * @return string https, http, or port
466	+ */
467	+
468	+ private static function _file_scheme() {
469	+
470	+ // https
471	+ if ( $_SERVER['SERVER_PORT'] === '443' ) {
472	+ return 'https';
473	}
474
475	+ // http
476	+ if ( $_SERVER['SERVER_PORT'] === '80' ) {
477	+ return 'http';
478	+ }
479	+
480	+ // port
481	+ return $_SERVER['SERVER_PORT'];
482	}
483
484

486	* get file path
487	*
488	* @since 1.0.0
489	+ * @change 1.4.0
490	*
491	+ * @return string path to the HTML file
492	*/
493
494	private static function _file_html() {
495	+
496	+ return self::_file_path() . self::_file_scheme() . '-' . self::FILE_HTML;
497	}
498
499

501	* get gzip file path
502	*
503	* @since 1.0.1
504	+ * @change 1.4.0
505	*
506	+ * @return string path to the gzipped HTML file
507	*/
508
509	private static function _file_gzip() {
510	+
511	+ return self::_file_path() . self::_file_scheme() . '-' . self::FILE_GZIP;
512	}
513
514

516	* get webp file path
517	*
518	* @since 1.0.7
519	+ * @change 1.4.0
520	*
521	+ * @return string path to the webp HTML file
522	*/
523
524	private static function _file_webp_html() {
525	+
526	+ return self::_file_path() . self::_file_scheme() . '-' . self::FILE_WEBP_HTML;
527	}
528
529

531	* get gzip webp file path
532	*
533	* @since 1.0.1
534	+ * @change 1.4.0
535	*
536	+ * @return string path to the webp gzipped HTML file
537	*/
538
539	private static function _file_webp_gzip() {
540	+
541	+ return self::_file_path() . self::_file_scheme() . '-' . self::FILE_WEBP_GZIP;
542	+ }
543	+
544	+
545	+ /**
546	+ * get settings file
547	+ *
548	+ * @since 1.4.0
549	+ * @change 1.4.0
550	+ *
551	+ * @return string settings file path
552	+ */
553	+
554	+ private static function _get_settings() {
555	+
556	+ // network with subdirectory configuration
557	+ if ( is_multisite() && ! is_subdomain_install() ) {
558	+ // get blog path
559	+ $path = trim( get_blog_details()->path, '/' );
560	+ // check if subsite
561	+ if ( ! empty( $path ) ) {
562	+ $path = '-' . $path;
563	+ }
564	+ // single site, network subdirectory main site, or any network subdomain site
565	+ } else {
566	+ $path = '';
567	+ }
568	+
569	+ // get settings file
570	+ $settings_file = sprintf(
571	+ '%s-%s%s.json',
572	+ CE_SETTINGS_PATH,
573	+ Cache_Enabler::get_blog_domain(),
574	+ $path
575	+ );
576	+
577	+ return $settings_file;
578	}
579
580
581	/**
582	* read settings file
583	*
584	+ * @since 1.2.3
585	+ * @change 1.2.3
586	*
587	+ * @param string $settings_file settings file path
588	+ * @return array settings or empty
589	*/
590
591	+ private static function _read_settings( $settings_file ) {
592	+
593	+ // check if settings file exists
594	+ if ( ! file_exists( $settings_file ) ) {
595	+ return array();
596	}
597
598	+ // check if any errors occur when reading the settings file
599	+ if ( ! $settings = json_decode( file_get_contents( $settings_file ), true ) ) {
600	+ return array();
601	}
602
603	return $settings;

607	/**
608	* write settings file
609	*
610	+ * @since 1.2.3
611	+ * @change 1.2.3
612	*
613	+ * @param string $settings_file settings file path
614	+ * @param array $settings settings
615	*/
616
617	+ private static function _write_settings( $settings_file, $settings ) {
618	+
619	+ file_put_contents( $settings_file, wp_json_encode( $settings ) );
620	}
621
622

624	* record settings for advanced-cache.php
625	*
626	* @since 1.2.3
627	+ * @change 1.4.0
628	*
629	* @param array settings as array pairs
630	* @return boolean true if successful
631	*/
632
633	+ public static function record_advcache_settings( $settings ) {
634	+
635	+ // get settings file
636	+ $settings_file = self::_get_settings();





637
638	// create folder if neccessary
639	+ if ( ! wp_mkdir_p( dirname( $settings_file ) ) ) {
640	+ wp_die( 'Unable to create directory.' );
641	}
642
643	// merge with old settings
644	+ $settings = array_merge( self::_read_settings( $settings_file ), $settings );
645
646	// update settings file
647	+ self::_write_settings( $settings_file, $settings );
648
649	return true;
650	}

654	* delete settings for advanced-cache.php
655	*
656	* @since 1.2.3
657	+ * @change 1.4.0
658	*
659	+ * @param array settings keys as array or empty for delete all
660	* @return boolean true if successful
661	*/
662
663	+ public static function delete_advcache_settings( $settings_keys = array() ) {
664	+
665	+ // get settings file
666	+ $settings_file = self::_get_settings();





667
668	+ // check if settings file exists
669	+ if ( ! file_exists( $settings_file ) ) {
670	return true;
671	}
672
673	+ $settings = self::_read_settings( $settings_file );
674	+ foreach ( $settings_keys as $key ) {
675	+ if ( array_key_exists( $key, $settings ) ) {
676	+ unset( $settings[ $key ] );
677	}
678	}
679
680	+ if ( empty( $settings ) \|\| empty( $settings_keys ) ) {
681	+ unlink( $settings_file );
682	return true;
683	}
684
685	// update settings file
686	+ self::_write_settings( $settings_file, $settings );
687
688	return true;
689	}

698	* @return string converted HTML file
699	*/
700
701	+ private static function _convert_webp( $asset ) {
702
703	+ if ( $asset[1] === 'src' ) {
704	+ return self::_convert_webp_src( $asset[0] );
705	+ } elseif ( $asset[1] === 'ref' ) {
706	+ return self::_convert_webp_src( $asset[0] );
707	+ } elseif ( $asset[1] === 'set' ) {
708	+ return self::_convert_webp_srcset( $asset[0] );
709	}
710
711	return $asset[0];

712	}
713
714

721	* @return string converted src webp source
722	*/
723
724	+ private static function _convert_webp_src( $src ) {
725	+
726	$upload_dir = wp_upload_dir();
727	+ $src_url = parse_url( $upload_dir['baseurl'] );
728	$upload_path = $src_url['path'];
729
730	+ if ( strpos( $src, $upload_path ) !== false ) {
731
732	+ $src_webp = str_replace( '.jpg', '.webp', $src );
733	+ $src_webp = str_replace( '.jpeg', '.webp', $src_webp );
734	+ $src_webp = str_replace( '.png', '.webp', $src_webp );
735
736	+ $parts = explode( $upload_path, $src_webp );
737	$relative_path = $parts[1];
738
739	// check if relative path is not empty and file exists
740	+ if ( ! empty( $relative_path ) && file_exists( $upload_dir['basedir'] . $relative_path ) ) {
741	return $src_webp;
742	} else {
743	// try appended webp extension
744	+ $src_webp_appended = $src . '.webp';
745	+ $parts_appended = explode( $upload_path, $src_webp_appended );
746	$relative_path_appended = $parts_appended[1];
747
748	// check if relative path is not empty and file exists
749	+ if ( ! empty( $relative_path_appended ) && file_exists( $upload_dir['basedir'] . $relative_path_appended ) ) {
750	return $src_webp_appended;
751	}
752	}

765	* @return string converted srcset webp source
766	*/
767
768	+ private static function _convert_webp_srcset( $srcset ) {
769
770	+ $sizes = explode( ', ', $srcset );
771	$upload_dir = wp_upload_dir();
772	+ $src_url = parse_url( $upload_dir['baseurl'] );
773	$upload_path = $src_url['path'];
774
775	+ for ( $i = 0; $i < count( $sizes ); $i++ ) {
776	+ if ( strpos( $sizes[ $i ], $upload_path ) !== false ) {
777	+ $src_webp = str_replace( '.jpg', '.webp', $sizes[ $i ] );
778	+ $src_webp = str_replace( '.jpeg', '.webp', $src_webp );
779	+ $src_webp = str_replace( '.png', '.webp', $src_webp );
780
781	+ $size_parts = explode( ' ', $src_webp );
782	+ $parts = explode( $upload_path, $size_parts[0] );




783	$relative_path = $parts[1];
784
785	// check if relative path is not empty and file exists
786	+ if ( ! empty( $relative_path ) && file_exists( $upload_dir['basedir'] . $relative_path ) ) {
787	+ $sizes[ $i ] = $src_webp;
788	} else {
789	// try appended webp extension
790	+ $size_parts_appended = explode( ' ', $sizes[ $i ] );
791	+ $src_webp_appended = $size_parts_appended[0] . '.webp';
792	+ $parts_appended = explode( $upload_path, $src_webp_appended );
793	$relative_path_appended = $parts_appended[1];
794	+ $src_webp_appended = $src_webp_appended . ' '. $size_parts_appended[1];
795
796	// check if relative path is not empty and file exists
797	+ if ( ! empty( $relative_path_appended ) && file_exists( $upload_dir['basedir'] . $relative_path_appended ) ) {
798	+ $sizes[ $i ] = $src_webp_appended;
799	}
800	}

801	}

802	}
803
804	+ $srcset = implode( ', ', $sizes );
805
806	return $srcset;
807	}

808	}

js/post.js CHANGED Viewed

	@@ -1,11 +1,12 @@
1	- jQuery(document).ready(
2	- function($) {
3	-
4	- $('.edit-cache-action', '#misc-publishing-actions').click(
5	- function(e) {
6	- ~~$(this)~~
7	- ~~.next~~(~~':hidden'~~)
8	- .~~slideDown~~('~~fast~~')

9	.end()
10	.hide();
11
	@@ -13,28 +14,30 @@ jQuery(document).ready(
13	}
14	);
15
16	- $('.save-cache-action', '#misc-publishing-actions').click(
17	- function(e) {
18	- ~~$(this)~~

19	.parent()
20	- .slideUp('fast')
21	- .prev(':hidden')
22	.show();
23
24	- $('#output-cache-action').text(
25	- $('#cache_action').children('option:selected').text()
26	);
27
28	e.preventDefault();
29	}
30	);
31
32	- $('.cancel-cache-action', '#misc-publishing-actions').click(
33	- function(e) {
34	- ~~$(this)~~

35	.parent()
36	- .slideUp('fast')
37	- .prev(':hidden')
38	.show();
39
40	e.preventDefault();


1	+ jQuery( document ).ready(
2	+ function( $ ) {
3	+
4	+ $( '.edit-cache-action', '#misc-publishing-actions' ).click(
5	+ function( e ) {
6	+
7	+ $( this )
8	+ .next( ':hidden' )
9	+ .slideDown( 'fast' )
10	.end()
11	.hide();
12

14	}
15	);
16
17	+ $( '.save-cache-action', '#misc-publishing-actions' ).click(
18	+ function( e ) {
19	+
20	+ $( this )
21	.parent()
22	+ .slideUp( 'fast' )
23	+ .prev( ':hidden' )
24	.show();
25
26	+ $( '#output-cache-action' ).text(
27	+ $( '#cache_action' ).children( 'option:selected' ).text()
28	);
29
30	e.preventDefault();
31	}
32	);
33
34	+ $( '.cancel-cache-action', '#misc-publishing-actions' ).click(
35	+ function( e ) {
36	+
37	+ $( this )
38	.parent()
39	+ .slideUp( 'fast' )
40	+ .prev( ':hidden' )
41	.show();
42
43	e.preventDefault();

readme.txt CHANGED Viewed

	@@ -1,8 +1,8 @@
1	=== Cache Enabler - WordPress Cache ===
2	Contributors: keycdn
3	Tags: cache, caching, wordpress cache, wp cache, performance, gzip, webp, http2
4	- Requires at least: 4.6
5	- Tested up to: 5.3
6	Stable tag: trunk
7	License: GPLv2 or later
8	License URI: http://www.gnu.org/licenses/gpl-2.0.html
	@@ -30,7 +30,7 @@ The Cache Enabler plugin creates static HTML files and stores them on the server
30	* Custom Post Type support
31	* Expiry Directive
32	* Support of 304 Not Modified if the page has not modified since last cached
33	- * WebP Support (when combined with [Optimus](https://optimus.io~~/en/~~ "Optimus"))
34	* Supports responsive images via srcset since WP 4.4
35	* Works perfectly with [Autoptimize](https://wordpress.org/plugins/autoptimize/)
36
	@@ -38,14 +38,14 @@ The Cache Enabler plugin creates static HTML files and stores them on the server
38
39
40	= How does the caching work? =
41	- This plugin requires minimal setup time and allows you to easily take advantage of the benefits that come from using ~~Wordpress~~ caching.
42
43	- The ~~Wordpress~~ Cache Enabler has the ability to create 2 cached files. One is plain HTML and the other version is gzipped (gzip level 9). These static files are then used to deliver content faster to your users without any database lookups or gzipping as the files are already pre-compressed.
44
45	- When combined with Optimus, the ~~Wordpress~~ Cache Enabler allows you to easily deliver WebP images. The plugin will check your upload directory for any JPG or PNG images that have an equivalent WebP file. If there is, the URI of these image will be cached in a WebP static file by Cache Enabler. It is not required for all images to be converted to WebP when the "Create an additional cached version for WebP image support" option is enabled. This will not break any images that are not in WebP format. The plugin will deliver images that do have a WebP equivalent and will fall back to the JPG or PNG format for images that don't.
46
47
48	- = WP CLI =
49
50	* Clear all page caches
51	`wp cache-enabler clear`
	@@ -58,12 +58,12 @@ When combined with Optimus, the Wordpress Cache Enabler allows you to easily del
58
59
60	= Website =
61	- * [WordPress Cache Enabler - Documentation](https://www.keycdn.com/support/wordpress-cache-enabler-plugin/ "WordPress Cache Enabler - Documentation")
62
63
64	= System Requirements =
65	* PHP >=5.6
66	- * WordPress >=4.6
67
68
69	= Contribute =
	@@ -81,8 +81,23 @@ When combined with Optimus, the Wordpress Cache Enabler allows you to easily del
81
82	== Changelog ==
83















84	= 1.3.5 =
85	- * WP CLI cache clearing (Thanks to Steve Grunwell)
86	* Added cache_enabler_disk_webp_converted_data filter
87	* Improved WebP URL conversion
88	* Fixed advanced cache issue
	@@ -103,7 +118,7 @@ When combined with Optimus, the Wordpress Cache Enabler allows you to easily del
103	* Add filter option before minification
104
105	= 1.3.0 =
106	- * Clear cache on ~~woocommerce~~ stock updates
107
108	= 1.2.3 =
109	* Fix expiry time
	@@ -112,7 +127,7 @@ When combined with Optimus, the Wordpress Cache Enabler allows you to easily del
112	* Pages can now be excluded from cache by a path matching regex
113	* Plugin upgrades can now trigger cache clear
114	* Scheduled posts and drafts are now properly handled
115	- * A missing trailing slash will now redirect like ~~wordpress~~ does by default
116
117	= 1.2.2 =
118	* Fixed settings form issue


1	=== Cache Enabler - WordPress Cache ===
2	Contributors: keycdn
3	Tags: cache, caching, wordpress cache, wp cache, performance, gzip, webp, http2
4	+ Requires at least: 5.1
5	+ Tested up to: 5.5
6	Stable tag: trunk
7	License: GPLv2 or later
8	License URI: http://www.gnu.org/licenses/gpl-2.0.html

30	* Custom Post Type support
31	* Expiry Directive
32	* Support of 304 Not Modified if the page has not modified since last cached
33	+ * WebP Support (when combined with [Optimus](https://optimus.io "Optimus"))
34	* Supports responsive images via srcset since WP 4.4
35	* Works perfectly with [Autoptimize](https://wordpress.org/plugins/autoptimize/)
36

38
39
40	= How does the caching work? =
41	+ This plugin requires minimal setup time and allows you to easily take advantage of the benefits that come from using WordPress caching.
42
43	+ The WordPress Cache Enabler has the ability to create 2 cached files. One is plain HTML and the other version is gzipped (gzip level 9). These static files are then used to deliver content faster to your users without any database lookups or gzipping as the files are already pre-compressed.
44
45	+ When combined with Optimus, the WordPress Cache Enabler allows you to easily deliver WebP images. The plugin will check your upload directory for any JPG or PNG images that have an equivalent WebP file. If there is, the URI of these image will be cached in a WebP static file by Cache Enabler. It is not required for all images to be converted to WebP when the "Create an additional cached version for WebP image support" option is enabled. This will not break any images that are not in WebP format. The plugin will deliver images that do have a WebP equivalent and will fall back to the JPG or PNG format for images that don't.
46
47
48	+ = WP-CLI =
49
50	* Clear all page caches
51	`wp cache-enabler clear`

58
59
60	= Website =
61	+ * [WordPress Cache Enabler - Documentation](https://www.keycdn.com/support/wordpress-cache-enabler-plugin "WordPress Cache Enabler - Documentation")
62
63
64	= System Requirements =
65	* PHP >=5.6
66	+ * WordPress >=5.1
67
68
69	= Contribute =

81
82	== Changelog ==
83
84	+ = 1.4.0 =
85	+ * Update default cache behavior for WooCommerce stock update
86	+ * Update Cache Behavior setting for plugin actions
87	+ * Update admin bar clear cache buttons
88	+ * Update cache behavior for logged in users
89	+ * Update default clear cache publishing action
90	+ * Update advanced cache settings
91	+ * Update trailing slash handling
92	+ * Update settings page
93	+ * Add Cache Behavior setting for WooCommerce stock update
94	+ * Add fbclid as default URL query parameter to bypass cache
95	+ * Add scheme-based caching
96	+ * Fix advanced cache for multisite networks
97	+ * Fix minor bugs
98	+
99	= 1.3.5 =
100	+ * WP-CLI cache clearing (Thanks to Steve Grunwell)
101	* Added cache_enabler_disk_webp_converted_data filter
102	* Improved WebP URL conversion
103	* Fixed advanced cache issue

118	* Add filter option before minification
119
120	= 1.3.0 =
121	+ * Clear cache on WooCommerce stock updates
122
123	= 1.2.3 =
124	* Fix expiry time

127	* Pages can now be excluded from cache by a path matching regex
128	* Plugin upgrades can now trigger cache clear
129	* Scheduled posts and drafts are now properly handled
130	+ * A missing trailing slash will now redirect like WordPress does by default
131
132	= 1.2.2 =
133	* Fixed settings form issue

Cache Enabler – WordPress Cache - Version 1.4.0

Version Description

Release Info

Code changes from version 1.3.5 to 1.4.0