WP Super Cache - Version 1.6.0

Version Description

Release Info

Developer	donncha
Plugin	WP Super Cache
Version	1.6.0
Comparing to
See all releases

Code changes from version 1.5.9 to 1.6.0

Files changed (9) hide show

plugins/jetpack.php +8 -0
plugins/multisite.php +11 -9
readme.txt +27 -4
rest/class.wp-super-cache-rest-get-settings.php +2 -2
rest/class.wp-super-cache-rest-update-settings.php +9 -2
rest/class.wp-super-cache-settings-map.php +1 -1
wp-cache-phase1.php +3 -1
wp-cache-phase2.php +174 -126
wp-cache.php +136 -71

plugins/jetpack.php CHANGED Viewed

	@@ -64,6 +64,14 @@ function wp_super_cache_jetpack_cookie_check( $cache_key ) {
64	}
65	}
66








67	if ( function_exists( 'jetpack_is_mobile' ) ) {
68	if ( jetpack_is_mobile() ) {
69	return 'mobile';


64	}
65	}
66
67	+ if ( isset ( $_COOKIE['akm_mobile'] ) ) {
68	+ if ( $_COOKIE['akm_mobile'] == 'true' ) {
69	+ return 'mobile';
70	+ } elseif ( $_COOKIE['akm_mobile'] == 'false' ) {
71	+ return 'normal';
72	+ }
73	+ }
74	+
75	if ( function_exists( 'jetpack_is_mobile' ) ) {
76	if ( jetpack_is_mobile() ) {
77	return 'mobile';

plugins/multisite.php CHANGED Viewed

	@@ -7,7 +7,7 @@ if ( ( defined( 'WP_ALLOW_MULTISITE' ) && constant( 'WP_ALLOW_MULTISITE' ) === t
7	function wp_super_cache_multisite_init() {
8	add_filter( 'wpmu_blogs_columns', 'wp_super_cache_blogs_col' );
9	add_action( 'manage_sites_custom_column', 'wp_super_cache_blogs_field', 10, 2 );
10	- add_action( 'init', 'wp_super_cache_override_on_flag' );
11	}
12
13	function wp_super_cache_blogs_col( $col ) {
	@@ -20,18 +20,20 @@ function wp_super_cache_blogs_field( $name, $blog_id ) {
20	return false;
21	}
22


23	if ( isset( $_GET['id'], $_GET['action'], $_GET['_wpnonce'] )
24	- && $blog_id === ~~intval~~( ~~$_GET[~~'id'] )
25	&& wp_verify_nonce( $_GET['_wpnonce'], 'wp-cache' . $blog_id )
26	) {
27	- if ( 'disable_cache' === ~~$_GET[~~'action'] ) {
28	- add_blog_option( $~~_GET['id']~~, 'wp_super_cache_disabled', 1 );
29	- } elseif ( 'enable_cache' === ~~$_GET[~~'action'] ) {
30	- delete_blog_option( $~~_GET['id']~~, 'wp_super_cache_disabled' );
31	}
32	}
33
34	- if ( get_blog_option( $blog_id, 'wp_super_cache_disabled' ) ~~=== 1~~ ) {
35	echo '<a href="' . wp_nonce_url( add_query_arg( array( 'action' => 'enable_cache', 'id' => $blog_id ) ), 'wp-cache' . $blog_id ) . '">' . __( 'Enable', 'wp-super-cache' ) . '</a>';
36	} else {
37	echo '<a href="' . wp_nonce_url( add_query_arg( array( 'action' => 'disable_cache', 'id' => $blog_id ) ), 'wp-cache' . $blog_id ) . '">' . __( 'Disable', 'wp-super-cache' ) . '</a>';
	@@ -39,7 +41,7 @@ function wp_super_cache_blogs_field( $name, $blog_id ) {
39	}
40
41	function wp_super_cache_multisite_notice() {
42	- if ( ~~isset( $_GET[~~'~~page~~'] ) && ~~'wpsupercache'~~ ~~=== $_GET[~~'page'] ) {
43	echo '<div class="error"><p><strong>' . __( 'Caching has been disabled on this blog on the Network Admin Sites page.', 'wp-super-cache' ) . '</strong></p></div>';
44	}
45	}
	@@ -50,7 +52,7 @@ function wp_super_cache_override_on_flag() {
50	return false;
51	}
52
53	- if ( get_option( 'wp_super_cache_disabled' ) ) {
54	$cache_enabled = false;
55	$super_cache_enabled = false;
56	define( 'DONOTCACHEPAGE', 1 );


7	function wp_super_cache_multisite_init() {
8	add_filter( 'wpmu_blogs_columns', 'wp_super_cache_blogs_col' );
9	add_action( 'manage_sites_custom_column', 'wp_super_cache_blogs_field', 10, 2 );
10	+ add_action( 'init', 'wp_super_cache_override_on_flag', 9 );
11	}
12
13	function wp_super_cache_blogs_col( $col ) {

20	return false;
21	}
22
23	+ $blog_id = (int) $blog_id;
24	+
25	if ( isset( $_GET['id'], $_GET['action'], $_GET['_wpnonce'] )
26	+ && $blog_id === filter_input( INPUT_GET, 'id', FILTER_VALIDATE_INT )
27	&& wp_verify_nonce( $_GET['_wpnonce'], 'wp-cache' . $blog_id )
28	) {
29	+ if ( 'disable_cache' === filter_input( INPUT_GET, 'action' ) ) {
30	+ add_blog_option( $blog_id, 'wp_super_cache_disabled', 1 );
31	+ } elseif ( 'enable_cache' === filter_input( INPUT_GET, 'action' ) ) {
32	+ delete_blog_option( $blog_id, 'wp_super_cache_disabled' );
33	}
34	}
35
36	+ if ( 1 === (int) get_blog_option( $blog_id, 'wp_super_cache_disabled' ) ) {
37	echo '<a href="' . wp_nonce_url( add_query_arg( array( 'action' => 'enable_cache', 'id' => $blog_id ) ), 'wp-cache' . $blog_id ) . '">' . __( 'Enable', 'wp-super-cache' ) . '</a>';
38	} else {
39	echo '<a href="' . wp_nonce_url( add_query_arg( array( 'action' => 'disable_cache', 'id' => $blog_id ) ), 'wp-cache' . $blog_id ) . '">' . __( 'Disable', 'wp-super-cache' ) . '</a>';

41	}
42
43	function wp_super_cache_multisite_notice() {
44	+ if ( 'wpsupercache' === filter_input( INPUT_GET, 'page' ) ) {
45	echo '<div class="error"><p><strong>' . __( 'Caching has been disabled on this blog on the Network Admin Sites page.', 'wp-super-cache' ) . '</strong></p></div>';
46	}
47	}

52	return false;
53	}
54
55	+ if ( 1 === (int) get_option( 'wp_super_cache_disabled' ) ) {
56	$cache_enabled = false;
57	$super_cache_enabled = false;
58	define( 'DONOTCACHEPAGE', 1 );

readme.txt CHANGED Viewed

	@@ -1,8 +1,8 @@
1	# WP Super Cache #
2	* Contributors: donncha, automattic, kraftbj
3	* Tags: performance, caching, wp-cache, wp-super-cache, cache
4	- * Tested up to: 4.9.1
5	- * Stable tag: 1.5.9
6	* Requires at least: 3.0
7	* Requires PHP: 5.2.4
8	* License: GPLv2 or later
	@@ -136,7 +136,7 @@ If that doesn't work, add this line to your wp-config.php:
136	27. Use [Cron View](https://wordpress.org/plugins/cron-view/) to help diagnose garbage collection and preload problems. Use the plugin to make sure jobs are scheduled and for what time. Look for the wp_cache_gc and wp_cache_full_preload_hook jobs.
137	18. The error message, "WP Super Cache is installed but broken. The constant WPCACHEHOME must be set in the file wp-config.php and point at the WP Super Cache plugin directory." appears at the end of every page. You can delete wp-content/advanced-cache.php and reload the plugin settings page or edit wp-config.php and look for WPCACHEHOME and make sure it points at the wp-super-cache folder. This will normally be wp-content/plugins/wp-super-cache/ but you'll likely need the full path to that file (so it's easier to let the settings page fix it). If it is not correct the caching engine will not load.
138	19. If your server is running into trouble because of the number of semaphores used by the plugin it's because your users are using file locking which is not recommended (but is needed by a small number of users). You can globally disable file locking by defining the constant WPSC_DISABLE_LOCKING, or defining the constant WPSC_REMOVE_SEMAPHORE so that sem_remove() is called after every page is cached but that seems to cause problems for other processes requesting the same semaphore. Best to disable it.
139	-
140
141	## Installation ##
142	Install like any other plugin, directly from your plugins page but make sure you have custom permalinks enabled. Go to the plugin settings page at Settings->WP Super Cache and enable caching.
	@@ -261,6 +261,29 @@ Your theme is probably responsive which means it resizes the page to suit whatev
261
262	## Changelog ##
263























264	### 1.5.9 ###
265	* Fixed fatal error if the debug log was deleted while debugging was enabled and a visitor came to the site.
266	* Fixed the dynamic caching test plugin because of PHP7 changes. Dynamic cache mode must be enabled now.
	@@ -628,4 +651,4 @@ Your theme is probably responsive which means it resizes the page to suit whatev
628
629
630	## Upgrade Notice ##
631	- ~~Fixes~~ ~~rare~~ ~~fatal error when using debug log~~


1	# WP Super Cache #
2	* Contributors: donncha, automattic, kraftbj
3	* Tags: performance, caching, wp-cache, wp-super-cache, cache
4	+ * Tested up to: 4.9.5
5	+ * Stable tag: 1.6.0
6	* Requires at least: 3.0
7	* Requires PHP: 5.2.4
8	* License: GPLv2 or later

136	27. Use [Cron View](https://wordpress.org/plugins/cron-view/) to help diagnose garbage collection and preload problems. Use the plugin to make sure jobs are scheduled and for what time. Look for the wp_cache_gc and wp_cache_full_preload_hook jobs.
137	18. The error message, "WP Super Cache is installed but broken. The constant WPCACHEHOME must be set in the file wp-config.php and point at the WP Super Cache plugin directory." appears at the end of every page. You can delete wp-content/advanced-cache.php and reload the plugin settings page or edit wp-config.php and look for WPCACHEHOME and make sure it points at the wp-super-cache folder. This will normally be wp-content/plugins/wp-super-cache/ but you'll likely need the full path to that file (so it's easier to let the settings page fix it). If it is not correct the caching engine will not load.
138	19. If your server is running into trouble because of the number of semaphores used by the plugin it's because your users are using file locking which is not recommended (but is needed by a small number of users). You can globally disable file locking by defining the constant WPSC_DISABLE_LOCKING, or defining the constant WPSC_REMOVE_SEMAPHORE so that sem_remove() is called after every page is cached but that seems to cause problems for other processes requesting the same semaphore. Best to disable it.
139	+ 20. Set the variable $htaccess_path in wp-config.php or wp-cache-config.php to the path of your global .htaccess if the plugin is looking for that file in the wrong directory. This might happen if you have WordPress installed in an unusual way.
140
141	## Installation ##
142	Install like any other plugin, directly from your plugins page but make sure you have custom permalinks enabled. Go to the plugin settings page at Settings->WP Super Cache and enable caching.

261
262	## Changelog ##
263
264	+
265	+ ### 1.6.0 ###
266	+ * Fix issues in multisite plugin (#501)
267	+ * Fixes wp-cli plugin deactivate/activate (#499)
268	+ * Cleanup - change quotes. (#495)
269	+ * $htaccess_path defines the path to the global .htacess file. (#507)
270	+ * Fix 'cannot redeclare gzip_accepted()' (#511)
271	+ * Correct the renaming of tmp_wpcache_filename (removed unnecessary slash in path) which caused renaming to fail. (#516)
272	+ * Add check for Jetpack mobile theme cookie (#515)
273	+ * Optimize wp_cache_phase2 and create wpsc_register_post_hooks (#508)
274	+ * WPCACHEHOME has a trailing slash (#513)
275	+ * Cleanup cache enable/disable and update_mod_rewrite_rules (#500)
276	+ * Post Update now clears category cache (#519)
277	+ * Various fixes for saving the debug page form (#542)
278	+ * Expert-caching and empty parameters, like ?amp, should not serve cached page (#533)
279	+ * Tiny Yslow description fix (#527)
280	+ * Add ipad to mobile list (#525)
281	+ * Hide opcache_invalidate() warnings since it's disabled some places. (#543)
282	+ * Check that HTTP_REFERER exists before checking it. (#544)
283	+ * Replace Cron View" with WP Control because it's still updated. (#546)
284	+ * adding hook (wp_cache_cleared) for full cache purges (#537)
285	+
286	+
287	### 1.5.9 ###
288	* Fixed fatal error if the debug log was deleted while debugging was enabled and a visitor came to the site.
289	* Fixed the dynamic caching test plugin because of PHP7 changes. Dynamic cache mode must be enabled now.

651
652
653	## Upgrade Notice ##
654	+ Bug fix release

rest/class.wp-super-cache-rest-get-settings.php CHANGED Viewed

	@@ -23,7 +23,7 @@ class WP_Super_Cache_Rest_Get_Settings extends WP_REST_Controller {
23	}
24
25	if ( function_exists( "opcache_invalidate" ) ) {
26	- opcache_invalidate( $wp_cache_config_file );
27	}
28	include( $wp_cache_config_file );
29
	@@ -78,7 +78,7 @@ class WP_Super_Cache_Rest_Get_Settings extends WP_REST_Controller {
78	public function get_cache_type() {
79	global $wp_cache_config_file;
80	if ( function_exists( "opcache_invalidate" ) ) {
81	- opcache_invalidate( $wp_cache_config_file );
82	}
83	include( $wp_cache_config_file );
84


23	}
24
25	if ( function_exists( "opcache_invalidate" ) ) {
26	+ @opcache_invalidate( $wp_cache_config_file );
27	}
28	include( $wp_cache_config_file );
29

78	public function get_cache_type() {
79	global $wp_cache_config_file;
80	if ( function_exists( "opcache_invalidate" ) ) {
81	+ @opcache_invalidate( $wp_cache_config_file );
82	}
83	include( $wp_cache_config_file );
84

rest/class.wp-super-cache-rest-update-settings.php CHANGED Viewed

	@@ -87,7 +87,11 @@ class WP_Super_Cache_Rest_Update_Settings extends WP_REST_Controller {
87
88	$set_method = method_exists( $this, 'set_' . $map['global'] ) ?
89	'set_' . $map['global'] : 'set_global';
90	- ~~$has_error =~~ ~~call_user_func~~( ~~array(~~ $~~this, $~~set_method ), ~~$value~~ );




91	}
92
93	if ( ! empty( $has_error ) ) {
	@@ -604,7 +608,7 @@ class WP_Super_Cache_Rest_Update_Settings extends WP_REST_Controller {
604	wp_cache_setting( 'cache_page_secret', $cache_page_secret );
605
606	if ( function_exists( "opcache_invalidate" ) ) {
607	- opcache_invalidate( $wp_cache_config_file );
608	}
609	}
610	wpsc_set_default_gc( true );
	@@ -637,6 +641,9 @@ class WP_Super_Cache_Rest_Update_Settings extends WP_REST_Controller {
637	}
638	$_POST[ 'wp_cache_debug' ] = 1;
639	} else {



640	$_POST[ $setting ] = $GLOBALS[ $setting ];
641	}
642	}


87
88	$set_method = method_exists( $this, 'set_' . $map['global'] ) ?
89	'set_' . $map['global'] : 'set_global';
90	+ if ( $set_method == 'set_global' ) {
91	+ $has_error = call_user_func( array( $this, $set_method ), $key, $value );
92	+ } else {
93	+ $has_error = call_user_func( array( $this, $set_method ), $value );
94	+ }
95	}
96
97	if ( ! empty( $has_error ) ) {

608	wp_cache_setting( 'cache_page_secret', $cache_page_secret );
609
610	if ( function_exists( "opcache_invalidate" ) ) {
611	+ @opcache_invalidate( $wp_cache_config_file );
612	}
613	}
614	wpsc_set_default_gc( true );

641	}
642	$_POST[ 'wp_cache_debug' ] = 1;
643	} else {
644	+ if ( ! isset( $GLOBALS[ $setting ] ) ) {
645	+ $GLOBALS[ $setting ] = 0;
646	+ }
647	$_POST[ $setting ] = $GLOBALS[ $setting ];
648	}
649	}

rest/class.wp-super-cache-settings-map.php CHANGED Viewed

	@@ -236,7 +236,7 @@ class WP_Super_Cache_Settings_Map {
236	'global' => 'wp_super_cache_debug',
237	),
238	'wp_cache_debug_username' => array(
239	- '~~global~~' => '~~wp_cache_debug_username~~',
240	),
241	'wp_cache_debug_log' => array(
242	'global' => 'wp_cache_debug_log',


236	'global' => 'wp_super_cache_debug',
237	),
238	'wp_cache_debug_username' => array(
239	+ 'get' => 'wpsc_debug_username',
240	),
241	'wp_cache_debug_log' => array(
242	'global' => 'wp_cache_debug_log',

wp-cache-phase1.php CHANGED Viewed

	@@ -1,6 +1,8 @@
1	<?php
2
3	- ~~require_once~~ ~~dirname~~( ~~__FILE__~~ ) . ~~'/wp-cache-phase2.php';~~


4
5	// error_reporting(E_ERROR \| E_PARSE); // uncomment to debug this file!
6	if ( ! @include WP_CONTENT_DIR . '/wp-cache-config.php' ) {


1	<?php
2
3	+ if ( ! function_exists( 'wp_cache_phase2' ) ) {
4	+ require_once dirname( __FILE__ ) . '/wp-cache-phase2.php';
5	+ }
6
7	// error_reporting(E_ERROR \| E_PARSE); // uncomment to debug this file!
8	if ( ! @include WP_CONTENT_DIR . '/wp-cache-config.php' ) {

wp-cache-phase2.php CHANGED Viewed

	@@ -53,12 +53,12 @@ function wp_cache_serve_cache_file() {
53	}
54
55	if ( wp_cache_user_agent_is_rejected() ) {
56	- wp_cache_debug( "No wp-cache file served as user agent rejected.", 5 );
57	return false;
58	}
59
60	if ( $wp_cache_no_cache_for_get && false == empty( $_GET ) ) {
61	- wp_cache_debug( "Non empty GET request. Caching disabled on settings page. " . wpsc_dump_get_request(), 1 );
62	return false;
63	}
64
	@@ -66,7 +66,7 @@ function wp_cache_serve_cache_file() {
66
67	if ( $wp_cache_object_cache && wp_cache_get_cookies_values() == '' ) {
68	if ( !empty( $_GET ) ) {
69	- wp_cache_debug( "Non empty GET request. Not serving request from object cache. " . wpsc_dump_get_request(), 1 );
70	return false;
71	}
72
	@@ -79,7 +79,7 @@ function wp_cache_serve_cache_file() {
79	$cache = wp_cache_get( $oc_key, 'supercache' );
80	$meta = json_decode( wp_cache_get( $meta_filename, 'supercache' ), true );
81	if ( is_array( $meta ) == false ) {
82	- wp_cache_debug( "Meta array from object cache corrupt. Ignoring cache.", 1 );
83	return true;
84	}
85	} elseif ( ( $cache_file && file_exists( $cache_file ) ) \|\| file_exists( get_current_url_supercache_dir() . 'meta-' . $cache_filename ) ) {
	@@ -87,7 +87,7 @@ function wp_cache_serve_cache_file() {
87	$cache_file = get_current_url_supercache_dir() . $cache_filename;
88	$meta_pathname = get_current_url_supercache_dir() . 'meta-' . $cache_filename;
89	} elseif ( !file_exists( $cache_file ) ) {
90	- wp_cache_debug( "wp_cache_serve_cache_file: found cache file but then it disappeared!" );
91	return false;
92	}
93
	@@ -111,13 +111,13 @@ function wp_cache_serve_cache_file() {
111	wp_cache_debug( "No Super Cache file found for current URL: $file" );
112	return false;
113	} elseif ( false == empty( $_GET ) ) {
114	- wp_cache_debug( "GET array not empty. Cannot serve a supercache file. " . wpsc_dump_get_request() );
115	return false;
116	} elseif ( wp_cache_get_cookies_values() != '' ) {
117	- wp_cache_debug( "Cookies found. Cannot serve a supercache file. " . wp_cache_get_cookies_values() );
118	return false;
119	} elseif ( isset( $wpsc_save_headers ) && $wpsc_save_headers ) {
120	- wp_cache_debug( "Saving headers. Cannot serve a supercache file." );
121	return false;
122	}
123
	@@ -199,7 +199,7 @@ function wp_cache_serve_cache_file() {
199	echo $cachefiledata;
200	exit();
201	} else {
202	- wp_cache_debug( "No wp-cache file exists. Must generate a new one." );
203	return false;
204	}
205	}
	@@ -208,7 +208,7 @@ function wp_cache_serve_cache_file() {
208	// Sometimes the gzip headers are lost. Make sure html returned isn't compressed!
209	if ( $cache_compression && $wp_cache_gzip_encoding && !in_array( 'Content-Encoding: ' . $wp_cache_gzip_encoding, $meta[ 'headers' ] ) ) {
210	$ungzip = true;
211	- wp_cache_debug( "GZIP headers not found. Force uncompressed output.", 1 );
212	} else {
213	$ungzip = false;
214	}
	@@ -226,30 +226,30 @@ function wp_cache_serve_cache_file() {
226	// attempt to uncompress the cached file just in case it's gzipped
227	$uncompressed = gzuncompress( $cache );
228	if ( $uncompressed ) {
229	- wp_cache_debug( "Uncompressed gzipped cache file from object cache", 1 );
230	$cache = $uncompressed;
231	unset( $uncompressed );
232	}
233	}
234	if ( isset( $meta[ 'dynamic' ] ) && $meta[ 'dynamic' ] ) {
235	- wp_cache_debug( "Serving wp-cache dynamic file from object cache", 5 );
236	echo do_cacheaction( 'wpsc_cachedata', $cache );
237	} else {
238	- wp_cache_debug( "Serving wp-cache static file from object cache", 5 );
239	echo $cache;
240	}
241	- wp_cache_debug( "exit request", 5 );
242	die();
243	}
244	} else {
245	if ( isset( $meta[ 'dynamic' ] ) ) {
246	- wp_cache_debug( "Serving wp-cache dynamic file", 5 );
247	if ( $ungzip ) {
248	// attempt to uncompress the cached file just in case it's gzipped
249	$cache = wp_cache_get_legacy_cache( $cache_file );
250	$uncompressed = @gzuncompress( $cache );
251	if ( $uncompressed ) {
252	- wp_cache_debug( "Uncompressed gzipped cache file from wp-cache", 1 );
253	unset( $cache );
254	echo do_cacheaction( 'wpsc_cachedata', $uncompressed );
255	} else {
	@@ -259,21 +259,23 @@ function wp_cache_serve_cache_file() {
259	echo do_cacheaction( 'wpsc_cachedata', wp_cache_get_legacy_cache( $cache_file ) );
260	}
261	} else {
262	- wp_cache_debug( "Serving wp-cache static file", 5 );
263	if ( $ungzip ) {
264	$cache = wp_cache_get_legacy_cache( $cache_file );
265	$uncompressed = gzuncompress( $cache );
266	if ( $uncompressed ) {
267	- wp_cache_debug( "Uncompressed gzipped cache file from wp-cache", 1 );
268	echo $uncompressed;
269	} else {

270	echo $cache;
271	}
272	} else {

273	echo( wp_cache_get_legacy_cache( $cache_file ) );
274	}
275	}
276	- wp_cache_debug( "exit request", 5 );
277	die();
278	}
279	}
	@@ -289,7 +291,7 @@ function wp_cache_postload() {
289	return true;
290
291	if ( isset( $wp_super_cache_late_init ) && true == $wp_super_cache_late_init ) {
292	- wp_cache_debug( "Supercache Late Init: add wp_cache_serve_cache_file to init", 3 );
293	add_action( 'init', 'wp_cache_late_loader', 9999 );
294	} else {
295	wp_super_cache_init();
	@@ -298,7 +300,7 @@ function wp_cache_postload() {
298	}
299
300	function wp_cache_late_loader() {
301	- wp_cache_debug( "Supercache Late Loader running on init", 3 );
302	wp_cache_serve_cache_file();
303	wp_cache_phase2();
304	}
	@@ -384,11 +386,11 @@ function wp_cache_check_mobile( $cache_key ) {
384	// allow plugins to short circuit mobile check. Cookie, extra UA checks?
385	switch( do_cacheaction( 'wp_cache_check_mobile', $cache_key ) ) {
386	case "normal":
387	- wp_cache_debug( "wp_cache_check_mobile: desktop user agent detected by wp_cache_check_mobile action" );
388	return $cache_key;
389	break;
390	case "mobile":
391	- wp_cache_debug( "wp_cache_check_mobile: mobile user agent detected by wp_cache_check_mobile action" );
392	return $cache_key . "-mobile";
393	break;
394	}
	@@ -398,7 +400,7 @@ function wp_cache_check_mobile( $cache_key ) {
398	}
399
400	if ( do_cacheaction( 'disable_mobile_check', false ) ) {
401	- wp_cache_debug( "wp_cache_check_mobile: disable_mobile_check disabled mobile check" );
402	return $cache_key;
403	}
404
	@@ -406,7 +408,7 @@ function wp_cache_check_mobile( $cache_key ) {
406	$user_agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
407	foreach ($browsers as $browser) {
408	if ( strstr( $user_agent, trim( strtolower( $browser ) ) ) ) {
409	- wp_cache_debug( "mobile browser detected: " . $_SERVER[ "HTTP_USER_AGENT" ], 5 );
410	return $cache_key . '-' . wp_cache_mobile_group( $user_agent );
411	}
412	}
	@@ -419,7 +421,7 @@ function wp_cache_check_mobile( $cache_key ) {
419	$browsers = explode( ',', $wp_cache_mobile_prefixes );
420	foreach ($browsers as $browser_prefix) {
421	if ( substr($user_agent, 0, 4) == $browser_prefix ) {
422	- wp_cache_debug( "mobile browser (prefix) detected: " . $_SERVER[ "HTTP_USER_AGENT" ], 5 );
423	return $cache_key . '-' . $browser_prefix;
424	}
425	}
	@@ -631,12 +633,12 @@ function wpsc_is_in_cache_directory( $directory ) {
631	static $rp_cache_path = '';
632
633	if ( $directory == '' ) {
634	- wp_cache_debug( "wpsc_is_in_cache_directory: exiting as directory is blank" );
635	return false;
636	}
637
638	if ( $cache_path == '' ) {
639	- wp_cache_debug( "wpsc_is_in_cache_directory: exiting as cache_path is blank" );
640	return false;
641	}
642
	@@ -645,14 +647,14 @@ function wpsc_is_in_cache_directory( $directory ) {
645	}
646
647	if ( ! $rp_cache_path ) {
648	- wp_cache_debug( "wpsc_is_in_cache_directory: exiting as cache_path directory does not exist" );
649	return false;
650	}
651
652	$directory = wpsc_get_realpath( $directory );
653
654	if ( ! $directory ) {
655	- wp_cache_debug( "wpsc_is_in_cache_directory: directory does not exist" );
656	return false;
657	}
658
	@@ -668,7 +670,7 @@ function wpsc_delete_files( $dir, $delete = true ) {
668	static $protected = '';
669
670	if ( $dir == '' ) {
671	- wp_cache_debug( "wpsc_delete_files: directory is blank" );
672	return false;
673	}
674
	@@ -682,7 +684,7 @@ function wpsc_delete_files( $dir, $delete = true ) {
682
683	$dir = wpsc_get_realpath( $dir );
684	if ( ! $dir ) {
685	- wp_cache_debug( "wpsc_delete_files: directory does not exist: " . $dir );
686	return false;
687	}
688
	@@ -716,7 +718,7 @@ function get_all_supercache_filenames( $dir = '' ) {
716
717	$dir = wpsc_get_realpath( $dir );
718	if ( ! $dir ) {
719	- wp_cache_debug( "get_all_supercache_filenames: directory does not exist" );
720	return array();
721	}
722
	@@ -832,7 +834,7 @@ function wp_cache_confirm_delete( $dir ) {
832	$dir = wpsc_get_realpath( $dir );
833
834	if ( ! $dir ) {
835	- wp_cache_debug( "wp_cache_confirm_delete: directory does not exist" );
836	return false;
837	}
838
	@@ -886,6 +888,14 @@ function wpsc_get_protected_directories() {
886	);
887	}
888








889	function wpsc_create_debug_log( $filename = '', $username = '' ) {
890	global $cache_path, $wp_cache_debug_username, $wp_cache_debug_log;
891	if ( $filename != '' ) {
	@@ -896,7 +906,7 @@ function wpsc_create_debug_log( $filename = '', $username = '' ) {
896	if ( $username != '' ) {
897	$wp_cache_debug_username = $username;
898	} else {
899	- $wp_cache_debug_username = ~~md5~~( ~~time(~~) ~~+ mt_rand() )~~;
900	}
901
902	$msg = '
	@@ -1096,7 +1106,7 @@ function wp_cache_replace_line( $old, $new, $my_file ) {
1096	@rename( $tmp_file, $my_file );
1097
1098	if ( function_exists( "opcache_invalidate" ) ) {
1099	- opcache_invalidate( $my_file );
1100	}
1101
1102	return true;
	@@ -1106,7 +1116,7 @@ function wp_cache_phase2() {
1106	global $wp_cache_gzip_encoding, $super_cache_enabled, $cache_rebuild_files, $cache_enabled, $wp_cache_gmt_offset, $wp_cache_blog_charset;
1107
1108	if ( $cache_enabled == false ) {
1109	- wp_cache_debug( "Caching disabled! quiting!", 1 );
1110	return false;
1111	}
1112
	@@ -1116,34 +1126,15 @@ function wp_cache_phase2() {
1116	$wp_cache_blog_charset = get_option( 'blog_charset' );
1117
1118	wp_cache_mutex_init();
1119	- if(function_exists('add_action') && ( !defined( 'WPLOCKDOWN' ) \|\| ~~( defined( 'WPLOCKDOWN' ) &&~~ constant( 'WPLOCKDOWN' ) == '0' ) ) ) {
1120	wp_cache_debug( 'Setting up WordPress actions', 5 );
1121
1122	add_action( 'template_redirect', 'wp_super_cache_query_vars' );
1123	add_filter( 'wp_redirect_status', 'wpsc_catch_http_status_code' );
1124	add_filter( 'status_header', 'wpsc_catch_status_header', 10, 2 );
1125	-
1126	- // Post ID is received
1127	- add_action('wp_trash_post', 'wp_cache_post_edit', 0);
1128	- add_action('publish_post', 'wp_cache_post_edit', 0);
1129	- add_action('edit_post', 'wp_cache_post_change', 0); // leaving a comment called edit_post
1130	- add_action('delete_post', 'wp_cache_post_edit', 0);
1131	- add_action('publish_phone', 'wp_cache_post_edit', 0);
1132	- // Coment ID is received
1133	- add_action('trackback_post', 'wp_cache_get_postid_from_comment', 99);
1134	- add_action('pingback_post', 'wp_cache_get_postid_from_comment', 99);
1135	- add_action('comment_post', 'wp_cache_get_postid_from_comment', 99);
1136	- add_action('edit_comment', 'wp_cache_get_postid_from_comment', 99);
1137	- add_action('wp_set_comment_status', 'wp_cache_get_postid_from_comment', 99, 2);
1138	- // No post_id is available
1139	- add_action('switch_theme', 'wp_cache_no_postid', 99);
1140	- add_action('edit_user_profile_update', 'wp_cache_no_postid', 99);
1141	- add_action( 'wp_update_nav_menu', 'wp_cache_clear_cache_on_menu' );
1142	- add_action('wp_cache_gc','wp_cache_gc_cron');
1143	- add_action( 'clean_post_cache', 'wp_cache_post_edit' );
1144	add_filter( 'supercache_filename_str', 'wp_cache_check_mobile' );
1145	- ~~add_action( 'wp_cache_gc_watcher', 'wp_cache_gc_watcher' );~~
1146	- ~~add_action~~( ~~'transition_post_status', 'wpsc_post_transition', 10, 3~~ );
1147
1148	do_cacheaction( 'add_cacheaction' );
1149	}
	@@ -1158,24 +1149,67 @@ function wp_cache_phase2() {
1158	$super_cache_enabled = false;
1159	}
1160
1161	- if($wp_cache_gzip_encoding)
1162	- ~~header('Vary: Accept-Encoding, Cookie');~~
1163	- else
1164	- header('Vary: Cookie');
1165	ob_start( 'wp_cache_ob_callback' );
1166	wp_cache_debug( 'Created output buffer', 4 );
1167
1168	// restore old supercache file temporarily
1169	- if ( ( $_SERVER["REQUEST_METHOD"] != 'POST' && empty( $_POST ) ) && $super_cache_enabled && $cache_rebuild_files ) {
1170	$user_info = wp_cache_get_cookies_values();
1171	- ~~$do_cache = apply_filters( 'do_createsupercache', $user_info );~~
1172	- if( $user_info ~~== '' \|\| $do_cache === true~~ )


1173	wpcache_do_rebuild( get_current_url_supercache_dir() );

1174	}
1175
1176	schedule_wp_gc();
1177	}
1178










































1179	function wpcache_do_rebuild( $dir ) {
1180	global $do_rebuild_list, $cache_path, $wpsc_file_mtimes;
1181	wp_cache_debug( "wpcache_do_rebuild: doing rebuild for $dir" );
	@@ -1187,7 +1221,7 @@ function wpcache_do_rebuild( $dir ) {
1187
1188	$dir = wpsc_get_realpath( $dir );
1189	if ( ! $dir ) {
1190	- wp_cache_debug( "wpcache_do_rebuild: exiting as directory does not exist." );
1191	return false;
1192	}
1193
	@@ -1415,15 +1449,15 @@ function wp_cache_writers_entry() {
1415	return true;
1416
1417	if( !$mutex ) {
1418	- wp_cache_debug( "(writers entry) mutex lock not created. not caching.", 2 );
1419	return false;
1420	}
1421
1422	if ( $use_flock ) {
1423	- wp_cache_debug( "grabbing lock using flock()", 5 );
1424	flock($mutex, LOCK_EX);
1425	} else {
1426	- wp_cache_debug( "grabbing lock using sem_acquire()", 5 );
1427	@sem_acquire($mutex);
1428	}
1429
	@@ -1437,15 +1471,15 @@ function wp_cache_writers_exit() {
1437	return true;
1438
1439	if( !$mutex ) {
1440	- wp_cache_debug( "(writers exit) mutex lock not created. not caching.", 2 );
1441	return false;
1442	}
1443
1444	if ( $use_flock ) {
1445	- wp_cache_debug( "releasing lock using flock()", 5 );
1446	flock( $mutex, LOCK_UN );
1447	} else {
1448	- wp_cache_debug( "releasing lock using sem_release() and sem_remove()", 5 );
1449	@sem_release( $mutex );
1450	if ( defined( "WPSC_REMOVE_SEMAPHORE" ) )
1451	@sem_remove( $mutex );
	@@ -1561,7 +1595,7 @@ function wp_cache_ob_callback( $buffer ) {
1561	wp_cache_debug( 'DONOTCACHEPAGE defined. Caching disabled.', 2 );
1562	$cache_this_page = false;
1563	} elseif ( $wp_cache_no_cache_for_get && ! empty( $_GET ) ) {
1564	- wp_cache_debug( "Non empty GET request. Caching disabled on settings page. " . wpsc_dump_get_request(), 1 );
1565	$cache_this_page = false;
1566	} elseif ( $_SERVER["REQUEST_METHOD"] == 'POST' \|\| !empty( $_POST ) \|\| get_option( 'gzipcompression' ) ) {
1567	wp_cache_debug( 'Not caching POST request.', 5 );
	@@ -1751,7 +1785,7 @@ function wp_cache_get_ob(&$buffer) {
1751	if ( isset( $wp_super_cache_query[ 'is_404' ] ) && false == apply_filters( 'wpsupercache_404', false ) ) {
1752	$new_cache = false;
1753	if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) {
1754	- wp_cache_debug( "404 file not found not cached", 2 );
1755	wp_cache_add_to_buffer( $buffer, "Page not cached by WP Super Cache. 404." );
1756	}
1757	}
	@@ -1759,7 +1793,7 @@ function wp_cache_get_ob(&$buffer) {
1759	if ( !preg_match( apply_filters( 'wp_cache_eof_tags', '/(<\/html>\|<\/rss>\|<\/feed>\|<\/urlset\|<\?xml)/i' ), $buffer ) ) {
1760	$new_cache = false;
1761	if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) {
1762	- wp_cache_debug( "No closing html tag. Not caching.", 2 );
1763	wp_cache_add_to_buffer( $buffer, "Page not cached by WP Super Cache. No closing HTML tag. Check your theme." );
1764	}
1765	}
	@@ -1773,12 +1807,12 @@ function wp_cache_get_ob(&$buffer) {
1773
1774	if( !wp_cache_writers_entry() ) {
1775	wp_cache_add_to_buffer( $buffer, "Page not cached by WP Super Cache. Could not get mutex lock." );
1776	- wp_cache_debug( "Could not get mutex lock. Not caching.", 1 );
1777	return wp_cache_maybe_dynamic( $buffer );
1778	}
1779
1780	if ( $wp_cache_not_logged_in && isset( $wp_super_cache_query[ 'is_feed' ] ) ) {
1781	- wp_cache_debug( "Feed detected. Writing wpcache cache files.", 5 );
1782	$wp_cache_not_logged_in = false;
1783	}
1784
	@@ -1787,7 +1821,7 @@ function wp_cache_get_ob(&$buffer) {
1787	$dir = get_current_url_supercache_dir();
1788	$supercachedir = $cache_path . 'supercache/' . preg_replace('/:.*$/', '', $home_url[ 'host' ]);
1789	if ( ! empty( $_GET ) \|\| isset( $wp_super_cache_query[ 'is_feed' ] ) \|\| ( $super_cache_enabled == true && is_dir( substr( $supercachedir, 0, -1 ) . '.disabled' ) ) ) {
1790	- wp_cache_debug( "Supercache disabled: GET or feed detected or disabled by config.", 2 );
1791	$super_cache_enabled = false;
1792	}
1793
	@@ -1796,7 +1830,7 @@ function wp_cache_get_ob(&$buffer) {
1796	$supercacheonly = false;
1797	if( $super_cache_enabled ) {
1798	if ( wp_cache_get_cookies_values() == '' && empty( $_GET ) ) {
1799	- wp_cache_debug( "Anonymous user detected. Only creating Supercache file.", 3 );
1800	$supercacheonly = true;
1801	}
1802	}
	@@ -1837,7 +1871,7 @@ function wp_cache_get_ob(&$buffer) {
1837	$dir = wpsc_get_realpath( $dir );
1838
1839	if ( ! $dir ) {
1840	- wp_cache_debug( "wp_cache_get_ob: not caching as directory does not exist." );
1841	return $buffer;
1842	}
1843
	@@ -1854,7 +1888,7 @@ function wp_cache_get_ob(&$buffer) {
1854	if ( !$supercacheonly ) {
1855	$fr = @fopen($tmp_wpcache_filename, 'w');
1856	if (!$fr) {
1857	- wp_cache_debug( "Error. Supercache could not write to " . str_replace( ABSPATH, '', $cache_path ) . $cache_filename, 1 );
1858	wp_cache_add_to_buffer( $buffer, "File not cached! Super Cache Couldn't write to: " . str_replace( ABSPATH, '', $cache_path ) . $cache_filename );
1859	wp_cache_writers_exit();
1860	return wp_cache_maybe_dynamic( $buffer );
	@@ -1868,7 +1902,7 @@ function wp_cache_get_ob(&$buffer) {
1868	$tmp_cache_filename = $dir . uniqid( mt_rand(), true ) . '.tmp';
1869	$fr2 = @fopen( $tmp_cache_filename, 'w' );
1870	if ( !$fr2 ) {
1871	- wp_cache_debug( "Error. Supercache could not write to " . str_replace( ABSPATH, '', $tmp_cache_filename ), 1 );
1872	wp_cache_add_to_buffer( $buffer, "File not cached! Super Cache Couldn't write to: " . str_replace( ABSPATH, '', $tmp_cache_filename ) );
1873	@fclose( $fr );
1874	@unlink( $tmp_wpcache_filename );
	@@ -1877,7 +1911,7 @@ function wp_cache_get_ob(&$buffer) {
1877	} elseif ( ( !isset( $wp_cache_mfunc_enabled ) \|\| $wp_cache_mfunc_enabled == 0 ) && $cache_compression ) { // don't want to store compressed files if using dynamic content
1878	$gz = @fopen( $tmp_cache_filename . ".gz", 'w');
1879	if (!$gz) {
1880	- wp_cache_debug( "Error. Supercache could not write to " . str_replace( ABSPATH, '', $tmp_cache_filename ) . ".gz", 1 );
1881	wp_cache_add_to_buffer( $buffer, "File not cached! Super Cache Couldn't write to: " . str_replace( ABSPATH, '', $tmp_cache_filename ) . ".gz" );
1882	@fclose( $fr );
1883	@unlink( $tmp_wpcache_filename );
	@@ -1902,7 +1936,7 @@ function wp_cache_get_ob(&$buffer) {
1902	*/
1903	if ( $wp_cache_mfunc_enabled == 1 ) {
1904	if ( preg_match( '/<!--mclude\|<!--mfunc\|<!--dynamic-cached-content-->/', $buffer ) ) { //Dynamic content
1905	- wp_cache_debug( "mfunc/mclude/dynamic-cached-content tags have been retired. Please update your theme. See docs for updates." );
1906	wp_cache_add_to_buffer( $buffer, "Warning! Obsolete mfunc/mclude/dynamic-cached-content tags found. Please update your theme. See http://ocaoimh.ie/y/5b for more information." );
1907	}
1908
	@@ -1911,11 +1945,11 @@ function wp_cache_get_ob(&$buffer) {
1911	wp_cache_add_to_buffer( $buffer, 'Super Cache dynamic page detected but late init not set. See the readme.txt for further details.' );
1912
1913	if ( $fr ) { // wpcache caching
1914	- wp_cache_debug( "Writing dynamic buffer to wpcache file." );
1915	wp_cache_add_to_buffer( $buffer, "Dynamic WPCache Super Cache" );
1916	fputs( $fr, '<?php die(); ?>' . $buffer );
1917	} elseif ( isset( $fr2 ) ) { // supercache active
1918	- wp_cache_debug( "Writing dynamic buffer to supercache file." );
1919	wp_cache_add_to_buffer( $buffer, "Dynamic Super Cache" );
1920	fputs( $fr2, $buffer );
1921	} elseif ( true == $wp_cache_object_cache ) {
	@@ -1927,14 +1961,14 @@ function wp_cache_get_ob(&$buffer) {
1927	}
1928
1929	if ( $cache_compression && $wp_cache_gzip_encoding ) {
1930	- wp_cache_debug( "Gzipping dynamic buffer for display.", 5 );
1931	wp_cache_add_to_buffer( $buffer, "Compression = gzip" );
1932	$gzdata = gzencode( $buffer, 6, FORCE_GZIP );
1933	$gzsize = function_exists( 'mb_strlen' ) ? mb_strlen( $gzdata, '8bit' ) : strlen( $gzdata );
1934	}
1935	} else {
1936	if ( $gz \|\| $wp_cache_gzip_encoding ) {
1937	- wp_cache_debug( "Gzipping buffer.", 5 );
1938	wp_cache_add_to_buffer( $buffer, "Compression = gzip" );
1939	$gzdata = gzencode( $buffer, 6, FORCE_GZIP );
1940	$gzsize = function_exists( 'mb_strlen' ) ? mb_strlen( $gzdata, '8bit' ) : strlen( $gzdata );
	@@ -1943,7 +1977,7 @@ function wp_cache_get_ob(&$buffer) {
1943	$wp_cache_meta[ 'headers' ][ 'Vary' ] = 'Vary: Accept-Encoding, Cookie';
1944	// Return uncompressed data & store compressed for later use
1945	if ( $fr ) {
1946	- wp_cache_debug( "Writing gzipped buffer to wp-cache cache file.", 5 );
1947	fputs($fr, '<?php die(); ?>' . $gzdata);
1948	} elseif ( $cache_enabled && $wp_cache_object_cache ) {
1949	wp_cache_set( $oc_key . ".gz", $gzdata, 'supercache', $cache_max_time );
	@@ -1955,17 +1989,17 @@ function wp_cache_get_ob(&$buffer) {
1955	wp_cache_set( $oc_key, $buffer, 'supercache', $cache_max_time );
1956	$added_cache = 1;
1957	} elseif ( $fr ) {
1958	- wp_cache_debug( "Writing non-gzipped buffer to wp-cache cache file." );
1959	fputs($fr, '<?php die(); ?>' . $buffer);
1960	}
1961	}
1962	if ( $fr2 ) {
1963	- wp_cache_debug( "Writing non-gzipped buffer to supercache file." );
1964	wp_cache_add_to_buffer( $buffer, "super cache" );
1965	fputs($fr2, $buffer );
1966	}
1967	if ( isset( $gzdata ) && $gz ) {
1968	- wp_cache_debug( "Writing gzipped buffer to supercache file." );
1969	fwrite($gz, $gzdata );
1970	}
1971	}
	@@ -1976,16 +2010,20 @@ function wp_cache_get_ob(&$buffer) {
1976	$supercacheonly = false;
1977	fclose($fr);
1978	if ( filesize( $tmp_wpcache_filename ) == 0 ) {
1979	- wp_cache_debug( "Warning! The file $tmp_wpcache_filename was empty. Did not rename to {$dir}/{$cache_filename}", 5 );
1980	@unlink( $tmp_wpcache_filename );
1981	} else {
1982	- if ( !@rename( $tmp_wpcache_filename, $dir . ~~'/' .~~ $cache_filename ) ) {
1983	if ( false == is_dir( $dir ) )
1984	@wp_mkdir_p( $dir );
1985	@unlink( $dir . $cache_filename );
1986	- @rename( $tmp_wpcache_filename, $dir . ~~'/' .~~ $cache_filename );





1987	}
1988	- wp_cache_debug( "Renamed temp wp-cache file to {$dir}/$cache_filename", 5 );
1989	$added_cache = 1;
1990	}
1991	}
	@@ -1993,7 +2031,7 @@ function wp_cache_get_ob(&$buffer) {
1993	fclose($fr2);
1994	if ( $wp_cache_front_page_checks && $cache_fname == $supercachedir . $home_url[ 'path' ] . supercache_filename() && !( $wp_cache_is_home ) ) {
1995	wp_cache_writers_exit();
1996	- wp_cache_debug( "Warning! Not writing another page to front page cache.", 1 );
1997	return $buffer;
1998	} elseif ( filesize( $tmp_cache_filename ) == 0 ) {
1999	wp_cache_debug( "Warning! The file $tmp_cache_filename was empty. Did not rename to {$cache_fname}", 5 );
	@@ -2032,13 +2070,13 @@ function wp_cache_get_ob(&$buffer) {
2032	}
2033	wp_cache_writers_exit();
2034	if ( !headers_sent() && $wp_cache_gzip_encoding && $gzdata) {
2035	- wp_cache_debug( "Writing gzip content headers. Sending buffer to browser", 5 );
2036	header( 'Content-Encoding: ' . $wp_cache_gzip_encoding );
2037	header( 'Vary: Accept-Encoding, Cookie' );
2038	header( 'Content-Length: ' . $gzsize );
2039	return $gzdata;
2040	} else {
2041	- wp_cache_debug( "Sending buffer to browser", 5 );
2042	return $buffer;
2043	}
2044	}
	@@ -2067,6 +2105,7 @@ function wp_cache_phase2_clean_cache($file_prefix) {
2067	}
2068	}
2069	closedir($handle);

2070	}
2071	wp_cache_writers_exit();
2072	}
	@@ -2075,7 +2114,7 @@ function prune_super_cache( $directory, $force = false, $rename = false ) {
2075
2076	// Don't prune a NULL/empty directory.
2077	if ( null === $directory \|\| '' === $directory ) {
2078	- wp_cache_debug( "prune_super_cache: directory is blank" );
2079	return false;
2080	}
2081
	@@ -2280,12 +2319,12 @@ function wp_cache_shutdown_callback() {
2280	* ref: https://wordpress.org/support/topic/fatal-error-while-updating-post-or-publishing-new-one/
2281	*/
2282	$wpsc_feed_ttl = 1;
2283	- wp_cache_debug( "wp_cache_shutdown_callback: Plugin not loaded. Setting feed ttl to 60 seconds." );
2284	}
2285
2286
2287	if ( false == $new_cache ) {
2288	- wp_cache_debug( "wp_cache_shutdown_callback: No cache file created. Returning." );
2289	return false;
2290	}
2291
	@@ -2300,7 +2339,7 @@ function wp_cache_shutdown_callback() {
2300	$wp_cache_meta[ 'headers' ][ $key ] = "$key: $value";
2301	}
2302
2303	- wp_cache_debug( "wp_cache_shutdown_callback: collecting meta data.", 2 );
2304
2305	if (!isset( $response['Last-Modified'] )) {
2306	$value = gmdate('D, d M Y H:i:s') . ' GMT';
	@@ -2358,7 +2397,7 @@ function wp_cache_shutdown_callback() {
2358
2359	if ( $cache_enabled && !$supercacheonly && $new_cache ) {
2360	if( !isset( $wp_cache_meta[ 'dynamic' ] ) && $wp_cache_gzip_encoding && !in_array( 'Content-Encoding: ' . $wp_cache_gzip_encoding, $wp_cache_meta[ 'headers' ] ) ) {
2361	- wp_cache_debug( "Sending gzip headers.", 2 );
2362	$wp_cache_meta[ 'headers' ][ 'Content-Encoding' ] = 'Content-Encoding: ' . $wp_cache_gzip_encoding;
2363	$wp_cache_meta[ 'headers' ][ 'Vary' ] = 'Vary: Accept-Encoding, Cookie';
2364	}
	@@ -2408,7 +2447,7 @@ function wp_cache_shutdown_callback() {
2408	}
2409	global $time_to_gc_cache;
2410	if( isset( $time_to_gc_cache ) && $time_to_gc_cache == 1 ) {
2411	- wp_cache_debug( "Executing wp_cache_gc action.", 3 );
2412	do_action( 'wp_cache_gc' );
2413	}
2414	}
	@@ -2463,7 +2502,7 @@ function wp_cache_get_postid_from_comment( $comment_id, $status = 'NA' ) {
2463	$super_cache_enabled = 0; // don't remove the super cache static file until comment is approved
2464	define( 'DONOTDELETECACHE', 1 );
2465	} else {
2466	- wp_cache_debug( "Moderated ping or trackback. Not deleting cache files..", 4 );
2467	define( 'DONOTDELETECACHE', 1 );
2468	return $postid;
2469	}
	@@ -2476,7 +2515,7 @@ function wp_cache_get_postid_from_comment( $comment_id, $status = 'NA' ) {
2476	wp_cache_debug( "Post $postid changed. Update cache.", 4 );
2477	return wp_cache_post_change( $postid );
2478	} else {
2479	- wp_cache_debug( "Unknown post changed. Update cache.", 4 );
2480	return wp_cache_post_change( wp_cache_post_id() );
2481	}
2482	}
	@@ -2494,7 +2533,7 @@ function wp_cache_clear_cache( $blog_id = 0 ) {
2494	reset_oc_version();
2495	} else {
2496	if ( $blog_id == 0 ) {
2497	- wp_cache_debug( "Clearing all cached files in wp_cache_clear_cache()", 4 );
2498	prune_super_cache( $cache_path . 'supercache/', true );
2499	prune_super_cache( $cache_path, true );
2500	} else {
	@@ -2503,6 +2542,7 @@ function wp_cache_clear_cache( $blog_id = 0 ) {
2503	prune_super_cache( $cache_path . 'blogs/', true );
2504	}
2505	}

2506	}
2507
2508	function wpsc_delete_post_archives( $post ) {
	@@ -2531,7 +2571,7 @@ function wpsc_delete_post_archives( $post ) {
2531	}
2532
2533	wpsc_delete_url_cache( $term_url );
2534	- wp_cache_debug( "wpsc_delete_post_archives: deleting cache of taxonomies: " . $term_url );
2535	}
2536	}
2537
	@@ -2546,14 +2586,14 @@ function wpsc_delete_post_archives( $post ) {
2546
2547	if ( $archive_url ) {
2548	wpsc_delete_url_cache( $archive_url );
2549	- wp_cache_debug( "wpsc_delete_post_archives: deleting cache of post type archive: " . $archive_url );
2550	}
2551
2552	// Author archive page
2553	$author_url = get_author_posts_url( $post->post_author );
2554	if ( $author_url ) {
2555	wpsc_delete_url_cache( $author_url );
2556	- wp_cache_debug( "wpsc_delete_post_archives: deleting cache of author archive: " . $author_url );
2557	}
2558	}
2559
	@@ -2567,7 +2607,7 @@ function wpsc_delete_cats_tags( $post ) {
2567	$category_base = trailingslashit( $category_base ); // paranoid much?
2568	foreach ($categories as $cat) {
2569	prune_super_cache ( get_supercache_dir() . $category_base . $cat->slug . '/', true );
2570	- wp_cache_debug( "wpsc_post_transition: deleting category: " . get_supercache_dir() . $category_base . $cat->slug . '/' );
2571	}
2572	}
2573	$posttags = get_the_tags($post->ID);
	@@ -2578,7 +2618,7 @@ function wpsc_delete_cats_tags( $post ) {
2578	$tag_base = trailingslashit( str_replace( '..', '', $tag_base ) ); // maybe!
2579	foreach ($posttags as $tag) {
2580	prune_super_cache( get_supercache_dir() . $tag_base . $tag->slug . '/', true );
2581	- wp_cache_debug( "wpsc_post_transition: deleting tag: " . get_supercache_dir() . $tag_base . $tag->slug . '/' );
2582	}
2583	}
2584	}
	@@ -2587,13 +2627,13 @@ function wpsc_post_transition( $new_status, $old_status, $post ) {
2587	if (
2588	($old_status == 'publish' && $new_status != 'publish' ) // post unpublished
2589	\|\|
2590	- ($~~old_status != 'publish' && $~~new_status == 'publish') // post published
2591	) {
2592	//wpsc_delete_cats_tags( $post );
2593	wpsc_delete_post_archives( $post );
2594	$post_url = get_permalink( $post->ID );
2595	wpsc_delete_url_cache( $post_url );
2596	- wp_cache_debug( "wpsc_post_transition: deleting cache of post: " . $post_url );
2597	}
2598	}
2599
	@@ -2614,7 +2654,7 @@ function wp_cache_post_edit($post_id) {
2614	// Some users are inexplicibly seeing this error on scheduled posts.
2615	// define this constant to disable the post status check.
2616	if ( false == defined( 'WPSCFORCEUPDATE' ) && !in_array($post->post_status, array( 'publish', 'private' ) ) ) {
2617	- wp_cache_debug( "wp_cache_post_edit: draft post, not deleting any cache files. status: " . $post->post_status, 4 );
2618	return $post_id;
2619	}
2620
	@@ -2679,7 +2719,7 @@ function wp_cache_post_change( $post_id ) {
2679	// Some users are inexplicibly seeing this error on scheduled posts.
2680	// define this constant to disable the post status check.
2681	if ( false == defined( 'WPSCFORCEUPDATE' ) && is_object( $post ) && !in_array($post->post_status, array( 'publish', 'private' ) ) ) {
2682	- wp_cache_debug( "wp_cache_post_change: draft post, not deleting any cache files.", 4 );
2683	return $post_id;
2684	}
2685	$last_processed = $post_id;
	@@ -2687,12 +2727,20 @@ function wp_cache_post_change( $post_id ) {
2687	if( !wp_cache_writers_entry() )
2688	return $post_id;
2689
2690	- if ( isset( $wp_cache_refresh_single_only ) && $wp_cache_refresh_single_only && ( strpos( $_SERVER[ 'HTTP_REFERER' ], 'edit-comments.php' ) \|\| strpos( $_SERVER[ 'REQUEST_URI' ], 'wp-comments-post.php' ) ) ) {








2691	if ( defined( 'DONOTDELETECACHE' ) ) {
2692	wp_cache_debug( "wp_cache_post_change: comment detected and it's moderated or spam. Not deleting cached files.", 4 );
2693	return $post_id;
2694	} else {
2695	- wp_cache_debug( "wp_cache_post_change: comment detected. only deleting post page.", 4 );
2696	$all = false;
2697	}
2698	} else {
	@@ -2711,24 +2759,24 @@ function wp_cache_post_change( $post_id ) {
2711	$dir = get_supercache_dir();
2712	// make sure the front page has a rebuild file
2713	if ( false == wp_cache_post_id_gc( $post_id, $all ) ) {
2714	- wp_cache_debug( "wp_cache_post_change: not deleting any cache files as GC of post returned false" );
2715	wp_cache_writers_exit();
2716	return false;
2717	}
2718	if ( $all == true ) {
2719	- wp_cache_debug( "Post change: supercache enabled: deleting cache files in " . $dir );
2720	wpsc_rebuild_files( $dir );
2721	do_action( 'gc_cache', 'prune', 'homepage' );
2722	if ( get_option( 'show_on_front' ) == 'page' ) {
2723	- wp_cache_debug( "Post change: deleting page_on_front and page_for_posts pages.", 4 );
2724	- wp_cache_debug( "Post change: page_on_front " . get_option( 'page_on_front' ), 4 );
2725	$permalink = trailingslashit( str_replace( get_option( 'home' ), '', get_permalink( get_option( 'page_for_posts' ) ) ) );
2726	- wp_cache_debug( "Post change: Deleting files in: " . str_replace( '//', '/', $dir . $permalink ) );
2727	wpsc_rebuild_files( $dir . $permalink );
2728	do_action( 'gc_cache', 'prune', $permalink );
2729	}
2730	} else {
2731	- wp_cache_debug( "wp_cache_post_change: not deleting all pages.", 4 );
2732	}
2733
2734	wp_cache_debug( "wp_cache_post_change: checking {$blog_cache_dir}meta/", 4 );


53	}
54
55	if ( wp_cache_user_agent_is_rejected() ) {
56	+ wp_cache_debug( 'No wp-cache file served as user agent rejected.', 5 );
57	return false;
58	}
59
60	if ( $wp_cache_no_cache_for_get && false == empty( $_GET ) ) {
61	+ wp_cache_debug( 'Non empty GET request. Caching disabled on settings page. ' . wpsc_dump_get_request(), 1 );
62	return false;
63	}
64

66
67	if ( $wp_cache_object_cache && wp_cache_get_cookies_values() == '' ) {
68	if ( !empty( $_GET ) ) {
69	+ wp_cache_debug( 'Non empty GET request. Not serving request from object cache. ' . wpsc_dump_get_request(), 1 );
70	return false;
71	}
72

79	$cache = wp_cache_get( $oc_key, 'supercache' );
80	$meta = json_decode( wp_cache_get( $meta_filename, 'supercache' ), true );
81	if ( is_array( $meta ) == false ) {
82	+ wp_cache_debug( 'Meta array from object cache corrupt. Ignoring cache.', 1 );
83	return true;
84	}
85	} elseif ( ( $cache_file && file_exists( $cache_file ) ) \|\| file_exists( get_current_url_supercache_dir() . 'meta-' . $cache_filename ) ) {

87	$cache_file = get_current_url_supercache_dir() . $cache_filename;
88	$meta_pathname = get_current_url_supercache_dir() . 'meta-' . $cache_filename;
89	} elseif ( !file_exists( $cache_file ) ) {
90	+ wp_cache_debug( 'wp_cache_serve_cache_file: found cache file but then it disappeared!' );
91	return false;
92	}
93

111	wp_cache_debug( "No Super Cache file found for current URL: $file" );
112	return false;
113	} elseif ( false == empty( $_GET ) ) {
114	+ wp_cache_debug( 'GET array not empty. Cannot serve a supercache file. ' . wpsc_dump_get_request() );
115	return false;
116	} elseif ( wp_cache_get_cookies_values() != '' ) {
117	+ wp_cache_debug( 'Cookies found. Cannot serve a supercache file. ' . wp_cache_get_cookies_values() );
118	return false;
119	} elseif ( isset( $wpsc_save_headers ) && $wpsc_save_headers ) {
120	+ wp_cache_debug( 'Saving headers. Cannot serve a supercache file.' );
121	return false;
122	}
123

199	echo $cachefiledata;
200	exit();
201	} else {
202	+ wp_cache_debug( 'No wp-cache file exists. Must generate a new one.' );
203	return false;
204	}
205	}

208	// Sometimes the gzip headers are lost. Make sure html returned isn't compressed!
209	if ( $cache_compression && $wp_cache_gzip_encoding && !in_array( 'Content-Encoding: ' . $wp_cache_gzip_encoding, $meta[ 'headers' ] ) ) {
210	$ungzip = true;
211	+ wp_cache_debug( 'GZIP headers not found. Force uncompressed output.', 1 );
212	} else {
213	$ungzip = false;
214	}

226	// attempt to uncompress the cached file just in case it's gzipped
227	$uncompressed = gzuncompress( $cache );
228	if ( $uncompressed ) {
229	+ wp_cache_debug( 'Uncompressed gzipped cache file from object cache', 1 );
230	$cache = $uncompressed;
231	unset( $uncompressed );
232	}
233	}
234	if ( isset( $meta[ 'dynamic' ] ) && $meta[ 'dynamic' ] ) {
235	+ wp_cache_debug( 'Serving wp-cache dynamic file from object cache', 5 );
236	echo do_cacheaction( 'wpsc_cachedata', $cache );
237	} else {
238	+ wp_cache_debug( 'Serving wp-cache static file from object cache', 5 );
239	echo $cache;
240	}
241	+ wp_cache_debug( 'exit request', 5 );
242	die();
243	}
244	} else {
245	if ( isset( $meta[ 'dynamic' ] ) ) {
246	+ wp_cache_debug( 'Serving wp-cache dynamic file', 5 );
247	if ( $ungzip ) {
248	// attempt to uncompress the cached file just in case it's gzipped
249	$cache = wp_cache_get_legacy_cache( $cache_file );
250	$uncompressed = @gzuncompress( $cache );
251	if ( $uncompressed ) {
252	+ wp_cache_debug( 'Uncompressed gzipped cache file from wp-cache', 1 );
253	unset( $cache );
254	echo do_cacheaction( 'wpsc_cachedata', $uncompressed );
255	} else {

259	echo do_cacheaction( 'wpsc_cachedata', wp_cache_get_legacy_cache( $cache_file ) );
260	}
261	} else {
262	+ wp_cache_debug( 'Serving wp-cache static file', 5 );
263	if ( $ungzip ) {
264	$cache = wp_cache_get_legacy_cache( $cache_file );
265	$uncompressed = gzuncompress( $cache );
266	if ( $uncompressed ) {
267	+ wp_cache_debug( 'Uncompressed gzipped cache file from wp-cache', 1 );
268	echo $uncompressed;
269	} else {
270	+ wp_cache_debug( 'Compressed gzipped cache file from wp-cache', 1 );
271	echo $cache;
272	}
273	} else {
274	+ wp_cache_debug( 'Getting legacy cache file ' . $cache_file, 1 );
275	echo( wp_cache_get_legacy_cache( $cache_file ) );
276	}
277	}
278	+ wp_cache_debug( 'exit request', 5 );
279	die();
280	}
281	}

291	return true;
292
293	if ( isset( $wp_super_cache_late_init ) && true == $wp_super_cache_late_init ) {
294	+ wp_cache_debug( 'Supercache Late Init: add wp_cache_serve_cache_file to init', 3 );
295	add_action( 'init', 'wp_cache_late_loader', 9999 );
296	} else {
297	wp_super_cache_init();

300	}
301
302	function wp_cache_late_loader() {
303	+ wp_cache_debug( 'Supercache Late Loader running on init', 3 );
304	wp_cache_serve_cache_file();
305	wp_cache_phase2();
306	}

386	// allow plugins to short circuit mobile check. Cookie, extra UA checks?
387	switch( do_cacheaction( 'wp_cache_check_mobile', $cache_key ) ) {
388	case "normal":
389	+ wp_cache_debug( 'wp_cache_check_mobile: desktop user agent detected by wp_cache_check_mobile action' );
390	return $cache_key;
391	break;
392	case "mobile":
393	+ wp_cache_debug( 'wp_cache_check_mobile: mobile user agent detected by wp_cache_check_mobile action' );
394	return $cache_key . "-mobile";
395	break;
396	}

400	}
401
402	if ( do_cacheaction( 'disable_mobile_check', false ) ) {
403	+ wp_cache_debug( 'wp_cache_check_mobile: disable_mobile_check disabled mobile check' );
404	return $cache_key;
405	}
406

408	$user_agent = strtolower( $_SERVER['HTTP_USER_AGENT'] );
409	foreach ($browsers as $browser) {
410	if ( strstr( $user_agent, trim( strtolower( $browser ) ) ) ) {
411	+ wp_cache_debug( 'mobile browser detected: ' . $_SERVER['HTTP_USER_AGENT'], 5 );
412	return $cache_key . '-' . wp_cache_mobile_group( $user_agent );
413	}
414	}

421	$browsers = explode( ',', $wp_cache_mobile_prefixes );
422	foreach ($browsers as $browser_prefix) {
423	if ( substr($user_agent, 0, 4) == $browser_prefix ) {
424	+ wp_cache_debug( 'mobile browser (prefix) detected: ' . $_SERVER['HTTP_USER_AGENT'], 5 );
425	return $cache_key . '-' . $browser_prefix;
426	}
427	}

633	static $rp_cache_path = '';
634
635	if ( $directory == '' ) {
636	+ wp_cache_debug( 'wpsc_is_in_cache_directory: exiting as directory is blank' );
637	return false;
638	}
639
640	if ( $cache_path == '' ) {
641	+ wp_cache_debug( 'wpsc_is_in_cache_directory: exiting as cache_path is blank' );
642	return false;
643	}
644

647	}
648
649	if ( ! $rp_cache_path ) {
650	+ wp_cache_debug( 'wpsc_is_in_cache_directory: exiting as cache_path directory does not exist' );
651	return false;
652	}
653
654	$directory = wpsc_get_realpath( $directory );
655
656	if ( ! $directory ) {
657	+ wp_cache_debug( 'wpsc_is_in_cache_directory: directory does not exist' );
658	return false;
659	}
660

670	static $protected = '';
671
672	if ( $dir == '' ) {
673	+ wp_cache_debug( 'wpsc_delete_files: directory is blank' );
674	return false;
675	}
676

684
685	$dir = wpsc_get_realpath( $dir );
686	if ( ! $dir ) {
687	+ wp_cache_debug( 'wpsc_delete_files: directory does not exist: ' . $dir );
688	return false;
689	}
690

718
719	$dir = wpsc_get_realpath( $dir );
720	if ( ! $dir ) {
721	+ wp_cache_debug( 'get_all_supercache_filenames: directory does not exist' );
722	return array();
723	}
724

834	$dir = wpsc_get_realpath( $dir );
835
836	if ( ! $dir ) {
837	+ wp_cache_debug( 'wp_cache_confirm_delete: directory does not exist' );
838	return false;
839	}
840

888	);
889	}
890
891	+ function wpsc_debug_username() {
892	+ global $wp_cache_debug_username;
893	+ if ( ! isset( $wp_cache_debug_username ) \|\| $wp_cache_debug_username == '' ) {
894	+ $wp_cache_debug_username = md5( time() + mt_rand() );
895	+ wp_cache_setting( 'wp_cache_debug_username', $wp_cache_debug_username );
896	+ }
897	+ return $wp_cache_debug_username;
898	+ }
899	function wpsc_create_debug_log( $filename = '', $username = '' ) {
900	global $cache_path, $wp_cache_debug_username, $wp_cache_debug_log;
901	if ( $filename != '' ) {

906	if ( $username != '' ) {
907	$wp_cache_debug_username = $username;
908	} else {
909	+ $wp_cache_debug_username = wpsc_debug_username();
910	}
911
912	$msg = '

1106	@rename( $tmp_file, $my_file );
1107
1108	if ( function_exists( "opcache_invalidate" ) ) {
1109	+ @opcache_invalidate( $my_file );
1110	}
1111
1112	return true;

1116	global $wp_cache_gzip_encoding, $super_cache_enabled, $cache_rebuild_files, $cache_enabled, $wp_cache_gmt_offset, $wp_cache_blog_charset;
1117
1118	if ( $cache_enabled == false ) {
1119	+ wp_cache_debug( 'Caching disabled! quiting!', 1 );
1120	return false;
1121	}
1122

1126	$wp_cache_blog_charset = get_option( 'blog_charset' );
1127
1128	wp_cache_mutex_init();
1129	+ if ( function_exists( 'add_action' ) && ( ! defined( 'WPLOCKDOWN' ) \|\| constant( 'WPLOCKDOWN' ) == '0' ) ) {
1130	wp_cache_debug( 'Setting up WordPress actions', 5 );
1131
1132	add_action( 'template_redirect', 'wp_super_cache_query_vars' );
1133	add_filter( 'wp_redirect_status', 'wpsc_catch_http_status_code' );
1134	add_filter( 'status_header', 'wpsc_catch_status_header', 10, 2 );



















1135	add_filter( 'supercache_filename_str', 'wp_cache_check_mobile' );
1136	+
1137	+ wpsc_register_post_hooks();
1138
1139	do_cacheaction( 'add_cacheaction' );
1140	}

1149	$super_cache_enabled = false;
1150	}
1151
1152	+ header( 'Vary: ' . ( $wp_cache_gzip_encoding ? 'Accept-Encoding, ' : '' ) . 'Cookie' );
1153	+


1154	ob_start( 'wp_cache_ob_callback' );
1155	wp_cache_debug( 'Created output buffer', 4 );
1156
1157	// restore old supercache file temporarily
1158	+ if ( ( $_SERVER['REQUEST_METHOD'] !== 'POST' && empty( $_POST ) ) && $super_cache_enabled && $cache_rebuild_files ) {
1159	$user_info = wp_cache_get_cookies_values();
1160	+
1161	+ if( empty( $user_info )
1162	+ \|\| true === apply_filters( 'do_createsupercache', $user_info )
1163	+ ) {
1164	wpcache_do_rebuild( get_current_url_supercache_dir() );
1165	+ }
1166	}
1167
1168	schedule_wp_gc();
1169	}
1170
1171	+ function wpsc_register_post_hooks() {
1172	+ static $done = false;
1173	+
1174	+ if ( $done ) {
1175	+ return;
1176	+ }
1177	+
1178	+ if ( false === $GLOBALS['cache_enabled']
1179	+ \|\| ( defined( 'WPLOCKDOWN' ) && constant( 'WPLOCKDOWN' ) != '0' )
1180	+ ) {
1181	+ $done = true;
1182	+ return;
1183	+ }
1184	+
1185	+ // Post ID is received
1186	+ add_action( 'wp_trash_post', 'wp_cache_post_edit', 0 );
1187	+ add_action( 'publish_post', 'wp_cache_post_edit', 0 );
1188	+ add_action( 'edit_post', 'wp_cache_post_change', 0 ); // leaving a comment called edit_post
1189	+ add_action( 'delete_post', 'wp_cache_post_edit', 0 );
1190	+ add_action( 'publish_phone', 'wp_cache_post_edit', 0 );
1191	+
1192	+ // Coment ID is received
1193	+ add_action( 'trackback_post', 'wp_cache_get_postid_from_comment', 99 );
1194	+ add_action( 'pingback_post', 'wp_cache_get_postid_from_comment', 99 );
1195	+ add_action( 'comment_post', 'wp_cache_get_postid_from_comment', 99 );
1196	+ add_action( 'edit_comment', 'wp_cache_get_postid_from_comment', 99 );
1197	+ add_action( 'wp_set_comment_status', 'wp_cache_get_postid_from_comment', 99, 2 );
1198	+
1199	+ // No post_id is available
1200	+ add_action( 'switch_theme', 'wp_cache_no_postid', 99 );
1201	+ add_action( 'edit_user_profile_update', 'wp_cache_no_postid', 99 );
1202	+ add_action( 'wp_update_nav_menu', 'wp_cache_clear_cache_on_menu' );
1203	+ add_action( 'clean_post_cache', 'wp_cache_post_edit' );
1204	+ add_action( 'transition_post_status', 'wpsc_post_transition', 10, 3 );
1205	+
1206	+ // Cron hooks
1207	+ add_action( 'wp_cache_gc','wp_cache_gc_cron' );
1208	+ add_action( 'wp_cache_gc_watcher', 'wp_cache_gc_watcher' );
1209	+
1210	+ $done = true;
1211	+ }
1212	+
1213	function wpcache_do_rebuild( $dir ) {
1214	global $do_rebuild_list, $cache_path, $wpsc_file_mtimes;
1215	wp_cache_debug( "wpcache_do_rebuild: doing rebuild for $dir" );

1221
1222	$dir = wpsc_get_realpath( $dir );
1223	if ( ! $dir ) {
1224	+ wp_cache_debug( 'wpcache_do_rebuild: exiting as directory does not exist.' );
1225	return false;
1226	}
1227

1449	return true;
1450
1451	if( !$mutex ) {
1452	+ wp_cache_debug( '(writers entry) mutex lock not created. not caching.', 2 );
1453	return false;
1454	}
1455
1456	if ( $use_flock ) {
1457	+ wp_cache_debug( 'grabbing lock using flock()', 5 );
1458	flock($mutex, LOCK_EX);
1459	} else {
1460	+ wp_cache_debug( 'grabbing lock using sem_acquire()', 5 );
1461	@sem_acquire($mutex);
1462	}
1463

1471	return true;
1472
1473	if( !$mutex ) {
1474	+ wp_cache_debug( '(writers exit) mutex lock not created. not caching.', 2 );
1475	return false;
1476	}
1477
1478	if ( $use_flock ) {
1479	+ wp_cache_debug( 'releasing lock using flock()', 5 );
1480	flock( $mutex, LOCK_UN );
1481	} else {
1482	+ wp_cache_debug( 'releasing lock using sem_release() and sem_remove()', 5 );
1483	@sem_release( $mutex );
1484	if ( defined( "WPSC_REMOVE_SEMAPHORE" ) )
1485	@sem_remove( $mutex );

1595	wp_cache_debug( 'DONOTCACHEPAGE defined. Caching disabled.', 2 );
1596	$cache_this_page = false;
1597	} elseif ( $wp_cache_no_cache_for_get && ! empty( $_GET ) ) {
1598	+ wp_cache_debug( 'Non empty GET request. Caching disabled on settings page. ' . wpsc_dump_get_request(), 1 );
1599	$cache_this_page = false;
1600	} elseif ( $_SERVER["REQUEST_METHOD"] == 'POST' \|\| !empty( $_POST ) \|\| get_option( 'gzipcompression' ) ) {
1601	wp_cache_debug( 'Not caching POST request.', 5 );

1785	if ( isset( $wp_super_cache_query[ 'is_404' ] ) && false == apply_filters( 'wpsupercache_404', false ) ) {
1786	$new_cache = false;
1787	if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) {
1788	+ wp_cache_debug( '404 file not found not cached', 2 );
1789	wp_cache_add_to_buffer( $buffer, "Page not cached by WP Super Cache. 404." );
1790	}
1791	}

1793	if ( !preg_match( apply_filters( 'wp_cache_eof_tags', '/(<\/html>\|<\/rss>\|<\/feed>\|<\/urlset\|<\?xml)/i' ), $buffer ) ) {
1794	$new_cache = false;
1795	if ( isset( $GLOBALS[ 'wp_super_cache_debug' ] ) && $GLOBALS[ 'wp_super_cache_debug' ] ) {
1796	+ wp_cache_debug( 'No closing html tag. Not caching.', 2 );
1797	wp_cache_add_to_buffer( $buffer, "Page not cached by WP Super Cache. No closing HTML tag. Check your theme." );
1798	}
1799	}

1807
1808	if( !wp_cache_writers_entry() ) {
1809	wp_cache_add_to_buffer( $buffer, "Page not cached by WP Super Cache. Could not get mutex lock." );
1810	+ wp_cache_debug( 'Could not get mutex lock. Not caching.', 1 );
1811	return wp_cache_maybe_dynamic( $buffer );
1812	}
1813
1814	if ( $wp_cache_not_logged_in && isset( $wp_super_cache_query[ 'is_feed' ] ) ) {
1815	+ wp_cache_debug( 'Feed detected. Writing wpcache cache files.', 5 );
1816	$wp_cache_not_logged_in = false;
1817	}
1818

1821	$dir = get_current_url_supercache_dir();
1822	$supercachedir = $cache_path . 'supercache/' . preg_replace('/:.*$/', '', $home_url[ 'host' ]);
1823	if ( ! empty( $_GET ) \|\| isset( $wp_super_cache_query[ 'is_feed' ] ) \|\| ( $super_cache_enabled == true && is_dir( substr( $supercachedir, 0, -1 ) . '.disabled' ) ) ) {
1824	+ wp_cache_debug( 'Supercache disabled: GET or feed detected or disabled by config.', 2 );
1825	$super_cache_enabled = false;
1826	}
1827

1830	$supercacheonly = false;
1831	if( $super_cache_enabled ) {
1832	if ( wp_cache_get_cookies_values() == '' && empty( $_GET ) ) {
1833	+ wp_cache_debug( 'Anonymous user detected. Only creating Supercache file.', 3 );
1834	$supercacheonly = true;
1835	}
1836	}

1871	$dir = wpsc_get_realpath( $dir );
1872
1873	if ( ! $dir ) {
1874	+ wp_cache_debug( 'wp_cache_get_ob: not caching as directory does not exist.' );
1875	return $buffer;
1876	}
1877

1888	if ( !$supercacheonly ) {
1889	$fr = @fopen($tmp_wpcache_filename, 'w');
1890	if (!$fr) {
1891	+ wp_cache_debug( 'Error. Supercache could not write to ' . str_replace( ABSPATH, '', $cache_path ) . $cache_filename, 1 );
1892	wp_cache_add_to_buffer( $buffer, "File not cached! Super Cache Couldn't write to: " . str_replace( ABSPATH, '', $cache_path ) . $cache_filename );
1893	wp_cache_writers_exit();
1894	return wp_cache_maybe_dynamic( $buffer );

1902	$tmp_cache_filename = $dir . uniqid( mt_rand(), true ) . '.tmp';
1903	$fr2 = @fopen( $tmp_cache_filename, 'w' );
1904	if ( !$fr2 ) {
1905	+ wp_cache_debug( 'Error. Supercache could not write to ' . str_replace( ABSPATH, '', $tmp_cache_filename ), 1 );
1906	wp_cache_add_to_buffer( $buffer, "File not cached! Super Cache Couldn't write to: " . str_replace( ABSPATH, '', $tmp_cache_filename ) );
1907	@fclose( $fr );
1908	@unlink( $tmp_wpcache_filename );

1911	} elseif ( ( !isset( $wp_cache_mfunc_enabled ) \|\| $wp_cache_mfunc_enabled == 0 ) && $cache_compression ) { // don't want to store compressed files if using dynamic content
1912	$gz = @fopen( $tmp_cache_filename . ".gz", 'w');
1913	if (!$gz) {
1914	+ wp_cache_debug( 'Error. Supercache could not write to ' . str_replace( ABSPATH, '', $tmp_cache_filename ) . ".gz", 1 );
1915	wp_cache_add_to_buffer( $buffer, "File not cached! Super Cache Couldn't write to: " . str_replace( ABSPATH, '', $tmp_cache_filename ) . ".gz" );
1916	@fclose( $fr );
1917	@unlink( $tmp_wpcache_filename );

1936	*/
1937	if ( $wp_cache_mfunc_enabled == 1 ) {
1938	if ( preg_match( '/<!--mclude\|<!--mfunc\|<!--dynamic-cached-content-->/', $buffer ) ) { //Dynamic content
1939	+ wp_cache_debug( 'mfunc/mclude/dynamic-cached-content tags have been retired. Please update your theme. See docs for updates.' );
1940	wp_cache_add_to_buffer( $buffer, "Warning! Obsolete mfunc/mclude/dynamic-cached-content tags found. Please update your theme. See http://ocaoimh.ie/y/5b for more information." );
1941	}
1942

1945	wp_cache_add_to_buffer( $buffer, 'Super Cache dynamic page detected but late init not set. See the readme.txt for further details.' );
1946
1947	if ( $fr ) { // wpcache caching
1948	+ wp_cache_debug( 'Writing dynamic buffer to wpcache file.' );
1949	wp_cache_add_to_buffer( $buffer, "Dynamic WPCache Super Cache" );
1950	fputs( $fr, '<?php die(); ?>' . $buffer );
1951	} elseif ( isset( $fr2 ) ) { // supercache active
1952	+ wp_cache_debug( 'Writing dynamic buffer to supercache file.' );
1953	wp_cache_add_to_buffer( $buffer, "Dynamic Super Cache" );
1954	fputs( $fr2, $buffer );
1955	} elseif ( true == $wp_cache_object_cache ) {

1961	}
1962
1963	if ( $cache_compression && $wp_cache_gzip_encoding ) {
1964	+ wp_cache_debug( 'Gzipping dynamic buffer for display.', 5 );
1965	wp_cache_add_to_buffer( $buffer, "Compression = gzip" );
1966	$gzdata = gzencode( $buffer, 6, FORCE_GZIP );
1967	$gzsize = function_exists( 'mb_strlen' ) ? mb_strlen( $gzdata, '8bit' ) : strlen( $gzdata );
1968	}
1969	} else {
1970	if ( $gz \|\| $wp_cache_gzip_encoding ) {
1971	+ wp_cache_debug( 'Gzipping buffer.', 5 );
1972	wp_cache_add_to_buffer( $buffer, "Compression = gzip" );
1973	$gzdata = gzencode( $buffer, 6, FORCE_GZIP );
1974	$gzsize = function_exists( 'mb_strlen' ) ? mb_strlen( $gzdata, '8bit' ) : strlen( $gzdata );

1977	$wp_cache_meta[ 'headers' ][ 'Vary' ] = 'Vary: Accept-Encoding, Cookie';
1978	// Return uncompressed data & store compressed for later use
1979	if ( $fr ) {
1980	+ wp_cache_debug( 'Writing gzipped buffer to wp-cache cache file.', 5 );
1981	fputs($fr, '<?php die(); ?>' . $gzdata);
1982	} elseif ( $cache_enabled && $wp_cache_object_cache ) {
1983	wp_cache_set( $oc_key . ".gz", $gzdata, 'supercache', $cache_max_time );

1989	wp_cache_set( $oc_key, $buffer, 'supercache', $cache_max_time );
1990	$added_cache = 1;
1991	} elseif ( $fr ) {
1992	+ wp_cache_debug( 'Writing non-gzipped buffer to wp-cache cache file.' );
1993	fputs($fr, '<?php die(); ?>' . $buffer);
1994	}
1995	}
1996	if ( $fr2 ) {
1997	+ wp_cache_debug( 'Writing non-gzipped buffer to supercache file.' );
1998	wp_cache_add_to_buffer( $buffer, "super cache" );
1999	fputs($fr2, $buffer );
2000	}
2001	if ( isset( $gzdata ) && $gz ) {
2002	+ wp_cache_debug( 'Writing gzipped buffer to supercache file.' );
2003	fwrite($gz, $gzdata );
2004	}
2005	}

2010	$supercacheonly = false;
2011	fclose($fr);
2012	if ( filesize( $tmp_wpcache_filename ) == 0 ) {
2013	+ wp_cache_debug( "Warning! The file $tmp_wpcache_filename was empty. Did not rename to {$dir}{$cache_filename}", 5 );
2014	@unlink( $tmp_wpcache_filename );
2015	} else {
2016	+ if ( !@rename( $tmp_wpcache_filename, $dir . $cache_filename ) ) {
2017	if ( false == is_dir( $dir ) )
2018	@wp_mkdir_p( $dir );
2019	@unlink( $dir . $cache_filename );
2020	+ @rename( $tmp_wpcache_filename, $dir . $cache_filename );
2021	+ }
2022	+ if ( file_exists( $dir . $cache_filename ) ) {
2023	+ wp_cache_debug( "Renamed temp wp-cache file to {$dir}{$cache_filename}", 5 );
2024	+ } else {
2025	+ wp_cache_debug( "FAILED to rename temp wp-cache file to {$dir}{$cache_filename}", 5 );
2026	}

2027	$added_cache = 1;
2028	}
2029	}

2031	fclose($fr2);
2032	if ( $wp_cache_front_page_checks && $cache_fname == $supercachedir . $home_url[ 'path' ] . supercache_filename() && !( $wp_cache_is_home ) ) {
2033	wp_cache_writers_exit();
2034	+ wp_cache_debug( 'Warning! Not writing another page to front page cache.', 1 );
2035	return $buffer;
2036	} elseif ( filesize( $tmp_cache_filename ) == 0 ) {
2037	wp_cache_debug( "Warning! The file $tmp_cache_filename was empty. Did not rename to {$cache_fname}", 5 );

2070	}
2071	wp_cache_writers_exit();
2072	if ( !headers_sent() && $wp_cache_gzip_encoding && $gzdata) {
2073	+ wp_cache_debug( 'Writing gzip content headers. Sending buffer to browser', 5 );
2074	header( 'Content-Encoding: ' . $wp_cache_gzip_encoding );
2075	header( 'Vary: Accept-Encoding, Cookie' );
2076	header( 'Content-Length: ' . $gzsize );
2077	return $gzdata;
2078	} else {
2079	+ wp_cache_debug( 'Sending buffer to browser', 5 );
2080	return $buffer;
2081	}
2082	}

2105	}
2106	}
2107	closedir($handle);
2108	+ do_action( 'wp_cache_cleared' );
2109	}
2110	wp_cache_writers_exit();
2111	}

2114
2115	// Don't prune a NULL/empty directory.
2116	if ( null === $directory \|\| '' === $directory ) {
2117	+ wp_cache_debug( 'prune_super_cache: directory is blank' );
2118	return false;
2119	}
2120

2319	* ref: https://wordpress.org/support/topic/fatal-error-while-updating-post-or-publishing-new-one/
2320	*/
2321	$wpsc_feed_ttl = 1;
2322	+ wp_cache_debug( 'wp_cache_shutdown_callback: Plugin not loaded. Setting feed ttl to 60 seconds.' );
2323	}
2324
2325
2326	if ( false == $new_cache ) {
2327	+ wp_cache_debug( 'wp_cache_shutdown_callback: No cache file created. Returning.' );
2328	return false;
2329	}
2330

2339	$wp_cache_meta[ 'headers' ][ $key ] = "$key: $value";
2340	}
2341
2342	+ wp_cache_debug( 'wp_cache_shutdown_callback: collecting meta data.', 2 );
2343
2344	if (!isset( $response['Last-Modified'] )) {
2345	$value = gmdate('D, d M Y H:i:s') . ' GMT';

2397
2398	if ( $cache_enabled && !$supercacheonly && $new_cache ) {
2399	if( !isset( $wp_cache_meta[ 'dynamic' ] ) && $wp_cache_gzip_encoding && !in_array( 'Content-Encoding: ' . $wp_cache_gzip_encoding, $wp_cache_meta[ 'headers' ] ) ) {
2400	+ wp_cache_debug( 'Sending gzip headers.', 2 );
2401	$wp_cache_meta[ 'headers' ][ 'Content-Encoding' ] = 'Content-Encoding: ' . $wp_cache_gzip_encoding;
2402	$wp_cache_meta[ 'headers' ][ 'Vary' ] = 'Vary: Accept-Encoding, Cookie';
2403	}

2447	}
2448	global $time_to_gc_cache;
2449	if( isset( $time_to_gc_cache ) && $time_to_gc_cache == 1 ) {
2450	+ wp_cache_debug( 'Executing wp_cache_gc action.', 3 );
2451	do_action( 'wp_cache_gc' );
2452	}
2453	}

2502	$super_cache_enabled = 0; // don't remove the super cache static file until comment is approved
2503	define( 'DONOTDELETECACHE', 1 );
2504	} else {
2505	+ wp_cache_debug( 'Moderated ping or trackback. Not deleting cache files..', 4 );
2506	define( 'DONOTDELETECACHE', 1 );
2507	return $postid;
2508	}

2515	wp_cache_debug( "Post $postid changed. Update cache.", 4 );
2516	return wp_cache_post_change( $postid );
2517	} else {
2518	+ wp_cache_debug( 'Unknown post changed. Update cache.', 4 );
2519	return wp_cache_post_change( wp_cache_post_id() );
2520	}
2521	}

2533	reset_oc_version();
2534	} else {
2535	if ( $blog_id == 0 ) {
2536	+ wp_cache_debug( 'Clearing all cached files in wp_cache_clear_cache()', 4 );
2537	prune_super_cache( $cache_path . 'supercache/', true );
2538	prune_super_cache( $cache_path, true );
2539	} else {

2542	prune_super_cache( $cache_path . 'blogs/', true );
2543	}
2544	}
2545	+ do_action( 'wp_cache_cleared' );
2546	}
2547
2548	function wpsc_delete_post_archives( $post ) {

2571	}
2572
2573	wpsc_delete_url_cache( $term_url );
2574	+ wp_cache_debug( 'wpsc_delete_post_archives: deleting cache of taxonomies: ' . $term_url );
2575	}
2576	}
2577

2586
2587	if ( $archive_url ) {
2588	wpsc_delete_url_cache( $archive_url );
2589	+ wp_cache_debug( 'wpsc_delete_post_archives: deleting cache of post type archive: ' . $archive_url );
2590	}
2591
2592	// Author archive page
2593	$author_url = get_author_posts_url( $post->post_author );
2594	if ( $author_url ) {
2595	wpsc_delete_url_cache( $author_url );
2596	+ wp_cache_debug( 'wpsc_delete_post_archives: deleting cache of author archive: ' . $author_url );
2597	}
2598	}
2599

2607	$category_base = trailingslashit( $category_base ); // paranoid much?
2608	foreach ($categories as $cat) {
2609	prune_super_cache ( get_supercache_dir() . $category_base . $cat->slug . '/', true );
2610	+ wp_cache_debug( 'wpsc_post_transition: deleting category: ' . get_supercache_dir() . $category_base . $cat->slug . '/' );
2611	}
2612	}
2613	$posttags = get_the_tags($post->ID);

2618	$tag_base = trailingslashit( str_replace( '..', '', $tag_base ) ); // maybe!
2619	foreach ($posttags as $tag) {
2620	prune_super_cache( get_supercache_dir() . $tag_base . $tag->slug . '/', true );
2621	+ wp_cache_debug( 'wpsc_post_transition: deleting tag: ' . get_supercache_dir() . $tag_base . $tag->slug . '/' );
2622	}
2623	}
2624	}

2627	if (
2628	($old_status == 'publish' && $new_status != 'publish' ) // post unpublished
2629	\|\|
2630	+ ($new_status == 'publish') // post published or updated
2631	) {
2632	//wpsc_delete_cats_tags( $post );
2633	wpsc_delete_post_archives( $post );
2634	$post_url = get_permalink( $post->ID );
2635	wpsc_delete_url_cache( $post_url );
2636	+ wp_cache_debug( 'wpsc_post_transition: deleting cache of post: ' . $post_url );
2637	}
2638	}
2639

2654	// Some users are inexplicibly seeing this error on scheduled posts.
2655	// define this constant to disable the post status check.
2656	if ( false == defined( 'WPSCFORCEUPDATE' ) && !in_array($post->post_status, array( 'publish', 'private' ) ) ) {
2657	+ wp_cache_debug( 'wp_cache_post_edit: draft post, not deleting any cache files. status: ' . $post->post_status, 4 );
2658	return $post_id;
2659	}
2660

2719	// Some users are inexplicibly seeing this error on scheduled posts.
2720	// define this constant to disable the post status check.
2721	if ( false == defined( 'WPSCFORCEUPDATE' ) && is_object( $post ) && !in_array($post->post_status, array( 'publish', 'private' ) ) ) {
2722	+ wp_cache_debug( 'wp_cache_post_change: draft post, not deleting any cache files.', 4 );
2723	return $post_id;
2724	}
2725	$last_processed = $post_id;

2727	if( !wp_cache_writers_entry() )
2728	return $post_id;
2729
2730	+ if (
2731	+ isset( $wp_cache_refresh_single_only ) &&
2732	+ $wp_cache_refresh_single_only &&
2733	+ (
2734	+ isset( $_SERVER['HTTP_REFERER'] ) &&
2735	+ strpos( $_SERVER['HTTP_REFERER'], 'edit-comments.php' ) \|\|
2736	+ strpos( $_SERVER['REQUEST_URI'], 'wp-comments-post.php' )
2737	+ )
2738	+ ) {
2739	if ( defined( 'DONOTDELETECACHE' ) ) {
2740	wp_cache_debug( "wp_cache_post_change: comment detected and it's moderated or spam. Not deleting cached files.", 4 );
2741	return $post_id;
2742	} else {
2743	+ wp_cache_debug( 'wp_cache_post_change: comment detected. only deleting post page.', 4 );
2744	$all = false;
2745	}
2746	} else {

2759	$dir = get_supercache_dir();
2760	// make sure the front page has a rebuild file
2761	if ( false == wp_cache_post_id_gc( $post_id, $all ) ) {
2762	+ wp_cache_debug( 'wp_cache_post_change: not deleting any cache files as GC of post returned false' );
2763	wp_cache_writers_exit();
2764	return false;
2765	}
2766	if ( $all == true ) {
2767	+ wp_cache_debug( 'Post change: supercache enabled: deleting cache files in ' . $dir );
2768	wpsc_rebuild_files( $dir );
2769	do_action( 'gc_cache', 'prune', 'homepage' );
2770	if ( get_option( 'show_on_front' ) == 'page' ) {
2771	+ wp_cache_debug( 'Post change: deleting page_on_front and page_for_posts pages.', 4 );
2772	+ wp_cache_debug( 'Post change: page_on_front ' . get_option( 'page_on_front' ), 4 );
2773	$permalink = trailingslashit( str_replace( get_option( 'home' ), '', get_permalink( get_option( 'page_for_posts' ) ) ) );
2774	+ wp_cache_debug( 'Post change: Deleting files in: ' . str_replace( '//', '/', $dir . $permalink ) );
2775	wpsc_rebuild_files( $dir . $permalink );
2776	do_action( 'gc_cache', 'prune', $permalink );
2777	}
2778	} else {
2779	+ wp_cache_debug( 'wp_cache_post_change: not deleting all pages.', 4 );
2780	}
2781
2782	wp_cache_debug( "wp_cache_post_change: checking {$blog_cache_dir}meta/", 4 );

wp-cache.php CHANGED Viewed

	@@ -3,7 +3,7 @@
3	Plugin Name: WP Super Cache
4	Plugin URI: https://wordpress.org/plugins/wp-super-cache/
5	Description: Very fast caching plugin for WordPress.
6	- Version: 1.5.9
7	Author: Automattic
8	Author URI: https://automattic.com/
9	License: GPL2+
	@@ -29,7 +29,9 @@ Text Domain: wp-super-cache
29	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30	*/
31
32	- ~~require_once~~( ~~dirname~~( ~~__FILE__~~ ) . ~~'/wp-cache-phase2.php');~~


33
34	function wpsc_init() {
35	global $wp_cache_config_file, $wp_cache_config_file_sample, $wp_cache_file, $wp_cache_check_wp_config, $wp_cache_link;
	@@ -59,6 +61,13 @@ function wpsc_init() {
59
60	wpsc_init();
61







62	if( !@include($wp_cache_config_file) ) {
63	get_wpcachehome();
64	$wp_cache_config_file_sample = WPCACHEHOME . 'wp-cache-config-sample.php';
	@@ -72,10 +81,12 @@ if ( class_exists( 'WP_REST_Controller' ) ) {
72	include( dirname( __FILE__ ) . '/rest/load.php' );
73	}
74
75	- function ~~wp_super_cache_text_domain~~() {
76	load_plugin_textdomain( 'wp-super-cache', false, basename( dirname( __FILE__ ) ) . '/languages' );


77	}
78	- add_action( 'init', '~~wp_super_cache_text_domain~~' );
79
80	function wp_cache_set_home() {
81	global $wp_cache_is_home;
	@@ -112,7 +123,7 @@ function wpsupercache_uninstall() {
112
113	wp_cache_remove_index();
114
115	- if ( ~~null~~ ~~!==~~ $cache_path && ~~'' !== $cache_path~~ ) {
116	@unlink( $cache_path . '.htaccess' );
117	@unlink( $cache_path . 'meta' );
118	@unlink( $cache_path . 'supercache' );
	@@ -130,13 +141,19 @@ if ( is_admin() ) {
130
131	function wpsupercache_deactivate() {
132	global $wp_cache_config_file, $wp_cache_link, $cache_path;
133	- ~~if ( file_exists( $wp_cache_link ) )~~

134	unlink( $wp_cache_link );
135	- ~~prune_super_cache( $cache_path, true );~~
136	- ~~wp_cache_remove_index();~~
137	- ~~@unlink~~( $cache_path . ~~'.htaccess'~~ );
138	- ~~@unlink~~( $cache_path . ~~'meta'~~ );
139	- ~~@unlink~~( ~~$cache_path . 'supercache'~~ );





140	wp_clear_scheduled_hook( 'wp_cache_check_site_hook' );
141	wp_clear_scheduled_hook( 'wp_cache_gc' );
142	wp_clear_scheduled_hook( 'wp_cache_gc_watcher' );
	@@ -199,6 +216,7 @@ add_action( 'network_admin_menu', 'wp_cache_network_pages' );
199	function wp_cache_manager_error_checks() {
200	global $wp_cache_debug, $wp_cache_cron_check, $cache_enabled, $super_cache_enabled, $wp_cache_config_file, $wp_cache_mobile_browsers, $wp_cache_mobile_prefixes, $wp_cache_mobile_browsers, $wp_cache_mobile_enabled, $wp_cache_mod_rewrite;
201	global $dismiss_htaccess_warning, $dismiss_readable_warning, $dismiss_gc_warning, $wp_cache_shutdown_gc, $is_nginx;

202
203	if ( !wpsupercache_site_admin() )
204	return false;
	@@ -267,7 +285,7 @@ function wp_cache_manager_error_checks() {
267	if ( false == function_exists( 'wpsc_deep_replace' ) ) {
268	$msg = __( 'Warning! You must set WP_CACHE and WPCACHEHOME in your wp-config.php for this plugin to work correctly:' ) . '<br />';
269	$msg .= "<code>define( 'WP_CACHE', true );</code><br />";
270	- $msg .= "<code>define( 'WPCACHEHOME', '" . dirname( __FILE__ ) . "' );</code><br />";
271	wp_die( $msg );
272	}
273
	@@ -360,7 +378,11 @@ function wp_cache_manager_error_checks() {
360	}
361
362	if ( ! $is_nginx && function_exists( "is_main_site" ) && true == is_main_site() ) {
363	- ~~$home_path~~ = ~~trailingslashit~~( ~~get_home_path(~~) );




364	$scrules = implode( "\n", extract_from_markers( $home_path.'.htaccess', 'WPSuperCache' ) );
365	if ( $cache_enabled && $wp_cache_mod_rewrite && !$wp_cache_mobile_enabled && strpos( $scrules, addcslashes( str_replace( ', ', '\|', $wp_cache_mobile_browsers ), ' ' ) ) ) {
366	echo '<div class="notice notice-warning"><h3>' . __( 'Mobile rewrite rules detected', 'wp-super-cache' ) . "</h3>";
	@@ -720,7 +742,7 @@ function wp_cache_manager() {
720	} elseif ( function_exists( 'lite_detection_ua_contains' ) ) {
721	$wp_cache_mobile_browsers = explode( '\|', lite_detection_ua_contains() );
722	} else {
723	- $wp_cache_mobile_browsers = array( '2.0 MMP', '240x320', '400X240', 'AvantGo', 'BlackBerry', 'Blazer', 'Cellphone', 'Danger', 'DoCoMo', 'Elaine/3.0', 'EudoraWeb', 'Googlebot-Mobile', 'hiptop', 'IEMobile', 'KYOCERA/WX310K', 'LG/U990', 'MIDP-2.', 'MMEF20', 'MOT-V', 'NetFront', 'Newt', 'Nintendo Wii', 'Nitro', 'Nokia', 'Opera Mini', 'Palm', 'PlayStation Portable', 'portalmmm', 'Proxinet', 'ProxiNet', 'SHARP-TQ-GX10', 'SHG-i900', 'Small', 'SonyEricsson', 'Symbian OS', 'SymbianOS', 'TS21i-10', 'UP.Browser', 'UP.Link', 'webOS', 'Windows CE', 'WinWAP', 'YahooSeeker/M1A1-R2D2', 'iPhone', 'iPod', 'Android', 'BlackBerry9530', 'LG-TU915 Obigo', 'LGE VX', 'webOS', 'Nokia5800' );
724	}
725	if ( function_exists( "lite_detection_ua_prefixes" ) ) {
726	$wp_cache_mobile_prefixes = lite_detection_ua_prefixes();
	@@ -1251,10 +1273,10 @@ table.wpsc-settings-table {
1251	<p><?php _e( 'Caching is only one part of making a website faster. Here are some other plugins that will help:', 'wp-super-cache' ); ?></p>
1252	<ul style="list-style: square; margin-left: 2em;">
1253	<li><?php printf( __( '<a href="%s">Jetpack</a> provides everything you need to build a successful WordPress website including an image/photo CDN (free) and a video hosting service (paid).', 'wp-super-cache' ), 'https://jetpack.com/redirect/?source=jitm-wpsc-recommended' ); ?></li>
1254	- <li><?php printf( __( '<a href="%s">Yahoo! Yslow</a> ~~is an extension for the Firefox add-on Firebug. It~~ analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. Also try the performance tools online at <a href="%s">GTMetrix</a>.', 'wp-super-cache' ), 'http://yslow.org/', 'https://gtmetrix.com/' ); ?></li>
1255	<li><?php printf( __( '<a href="%s">Use Google Libraries</a> allows you to load some commonly used Javascript libraries from Google webservers. Ironically, it may reduce your Yslow score.', 'wp-super-cache' ), 'https://wordpress.org/plugins/use-google-libraries/' ); ?></li>
1256	<li><?php printf( __( '<strong>Advanced users only:</strong> Install an object cache. Choose from <a href="%s">Memcached</a>, <a href="%s">XCache</a>, <a href="%s">eAcccelerator</a> and others.', 'wp-super-cache' ), 'https://wordpress.org/plugins/memcached/', 'https://neosmart.net/WP/XCache/', 'https://neosmart.net/WP/eAccelerator/' ); ?></li>
1257	- <li><?php printf( __( '<a href="%s">~~Cron~~ ~~View~~</a> is a useful plugin to use when trying to debug garbage collection and preload problems.', 'wp-super-cache' ), 'https://wordpress.org/plugins/~~cron~~-~~view~~/' ); ?></li>
1258	</ul>
1259
1260	<?php
	@@ -1359,17 +1381,20 @@ function wpsc_admin_tabs( $current = 0 ) {
1359	}
1360
1361	function wsc_mod_rewrite() {
1362	- global $valid_nonce, $cache_path~~, $wp_cache_mod_rewrite, $is_nginx~~;
1363
1364	- if ( $is_nginx ) {
1365	return false;
1366	}
1367
1368	- if ( defined( 'WPSC_DISABLE_HTACCESS_UPDATE' ) )
1369	return false;

1370
1371	- if ( !$wp_cache_mod_rewrite )
1372	return false;


1373	?>
1374	<a name="modrewrite"></a><fieldset class="options">
1375	<h3><?php _e( 'Mod Rewrite Rules', 'wp-super-cache' ); ?></h3>
	@@ -1969,31 +1994,39 @@ function wpsc_update_debug_settings() {
1969	);
1970	}
1971
1972	- if ( isset( $_POST[ 'wpsc_delete_log' ] ) && $wp_cache_debug_log != '' ) {
1973	@unlink( $cache_path . $wp_cache_debug_log );
1974	extract( wpsc_create_debug_log( $wp_cache_debug_log, $wp_cache_debug_username ) ); // $wp_cache_debug_log, $wp_cache_debug_username
1975	- } elseif ( isset( $_POST[ 'wp_super_cache_debug' ] ) ) {
1976	- if ( ! isset( $wp_cache_debug_log ) \|\| $wp_cache_debug_log == '' ) {
1977	- extract( wpsc_create_debug_log() ); // $wp_cache_debug_log, $wp_cache_debug_username
1978	- } elseif ( ! file_exists( $cache_path . $wp_cache_debug_log ) ) { // make sure debug log exists before toggling debugging
1979	- extract( wpsc_create_debug_log( $wp_cache_debug_log, $wp_cache_debug_username ) ); // $wp_cache_debug_log, $wp_cache_debug_username
1980	- }
1981	- $wp_super_cache_debug = (int) $_POST[ 'wp_super_cache_debug' ];
1982	- wp_cache_setting( 'wp_super_cache_debug', $wp_super_cache_debug );
1983	}
1984








1985	if ( isset( $_POST[ 'wp_cache_debug' ] ) ) {
1986	wp_cache_setting( 'wp_cache_debug_username', $wp_cache_debug_username );
1987	wp_cache_setting( 'wp_cache_debug_log', $wp_cache_debug_log );
1988	$wp_super_cache_comments = isset( $_POST[ 'wp_super_cache_comments' ] ) ? 1 : 0;
1989	wp_cache_setting( 'wp_super_cache_comments', $wp_super_cache_comments );
1990	- ~~$wp_cache_debug_ip~~ = ~~esc_html~~( $_POST[ 'wp_cache_debug_ip' ] );




1991	wp_cache_setting( 'wp_cache_debug_ip', $wp_cache_debug_ip );
1992	$wp_super_cache_front_page_check = isset( $_POST[ 'wp_super_cache_front_page_check' ] ) ? 1 : 0;
1993	wp_cache_setting( 'wp_super_cache_front_page_check', $wp_super_cache_front_page_check );
1994	$wp_super_cache_front_page_clear = isset( $_POST[ 'wp_super_cache_front_page_clear' ] ) ? 1 : 0;
1995	wp_cache_setting( 'wp_super_cache_front_page_clear', $wp_super_cache_front_page_clear );
1996	- ~~$wp_super_cache_front_page_text~~ = ~~esc_html~~( $_POST[ 'wp_super_cache_front_page_text' ] );




1997	wp_cache_setting( 'wp_super_cache_front_page_text', $wp_super_cache_front_page_text );
1998	$wp_super_cache_front_page_notification = isset( $_POST[ 'wp_super_cache_front_page_notification' ] ) ? 1 : 0;
1999	wp_cache_setting( 'wp_super_cache_front_page_notification', $wp_super_cache_front_page_notification );
	@@ -2041,7 +2074,8 @@ function wp_cache_debug_settings() {
2041
2042	echo '<form name="wpsc_delete" action="" method="post">';
2043	wp_nonce_field('wp-cache');
2044	- ~~submit_button(~~ ~~__(~~ '~~Delete~~', '~~wp-super-cache~~' ), '~~delete~~', ~~'wpsc_delete_log', false )~~;

2045	echo "</form>";
2046	echo '<form name="wpsc_delete" action="" method="post">';
2047	if ( ! isset( $wp_super_cache_debug ) \|\| $wp_super_cache_debug == 0 ) {
	@@ -2085,10 +2119,12 @@ function wp_cache_debug_settings() {
2085	function wp_cache_enable() {
2086	global $wp_cache_config_file, $cache_enabled;
2087
2088	- if( wp_cache_replace_line('^ *\$cache_enabled', '$cache_enabled = true;', $wp_cache_config_file) ) {
2089	- ~~$cache_enabled = true~~;
2090	}
2091


2092	if ( wpsc_set_default_gc() ) {
2093	// gc might not be scheduled, check and schedule
2094	$timestamp = wp_next_scheduled( 'wp_cache_gc' );
	@@ -2101,59 +2137,80 @@ function wp_cache_enable() {
2101	function wp_cache_disable() {
2102	global $wp_cache_config_file, $cache_enabled;
2103






2104	wp_clear_scheduled_hook( 'wp_cache_check_site_hook' );
2105	wp_clear_scheduled_hook( 'wp_cache_gc' );
2106	wp_clear_scheduled_hook( 'wp_cache_gc_watcher' );
2107	- if (wp_cache_replace_line('^ *\$cache_enabled', '$cache_enabled = false;', $wp_cache_config_file)) {
2108	- $cache_enabled = false;
2109	- }
2110	}

2111	function wp_super_cache_enable() {
2112	global $supercachedir, $wp_cache_config_file, $super_cache_enabled;
2113
2114	- if( ~~is_dir~~( $~~supercachedir~~ . ~~".disabled"~~ ) )
2115	- ~~if( is_dir( $supercachedir ) ) {~~
2116	- ~~prune_super_cache( $supercachedir . ".disabled", true );~~
2117	- ~~@unlink( $supercachedir . ".disabled" );~~






2118	} else {
2119	- @rename( $supercachedir . ".disabled", $supercachedir );
2120	}
2121	- ~~wp_cache_replace_line('^ *\$super_cache_enabled', '$super_cache_enabled = true;', $wp_cache_config_file);~~
2122	- $super_cache_enabled = true;
2123	}
2124
2125	function wp_super_cache_disable() {
2126	global $cache_path, $supercachedir, $wp_cache_config_file, $super_cache_enabled;
2127
2128	- wp_cache_replace_line('^ *\$super_cache_enabled', '$super_cache_enabled = false;', $wp_cache_config_file);
2129	- ~~if( is_dir( $supercachedir ) )~~
2130	- ~~@rename( $supercachedir, $supercachedir . ".disabled" );~~

2131	$super_cache_enabled = false;




2132	sleep( 1 ); // allow existing processes to write to the supercachedir and then delete it
2133	- if (function_exists ('prune_super_cache') && is_dir( $supercachedir ) ) {
2134	prune_super_cache( $cache_path, true );
2135	}




2136	}
2137
2138	function wp_cache_is_enabled() {
2139	global $wp_cache_config_file;
2140
2141	- if(get_option('gzipcompression')) {
2142	- echo "<strong>" . __( 'Warning', 'wp-super-cache' ) . "</strong>: " . __( "GZIP compression is enabled in WordPress, wp-cache will be bypassed until you disable gzip compression.", 'wp-super-cache' );
2143	return false;
2144	}
2145	- ~~$lines = file($wp_cache_config_file);~~
2146	- ~~foreach(~~$lines as $~~line~~) {
2147	- if (~~preg_match('/^~~ \$cache_enabled = true ;/', $line))

2148	return true;

2149	}

2150	return false;
2151	}
2152
2153	function wp_cache_remove_index() {
2154	global $cache_path;
2155
2156	- if ( ~~null~~ ~~===~~ $cache_path \|\| ~~'' === $cache_path~~ ) {
2157	return;
2158	}
2159
	@@ -2267,6 +2324,9 @@ function wp_cache_add_index_protection() {
2267	add_site_option( 'wp_super_cache_index_detected', 1 ); // only show this once
2268	}
2269	}



2270	insert_with_markers( $cache_path . '.htaccess', "INDEX", array( 'Options -Indexes' ) );
2271	}
2272
	@@ -2829,6 +2889,8 @@ function wpsc_dirsize($directory, $sizes) {
2829	function wp_cache_clean_cache( $file_prefix, $all = false ) {
2830	global $cache_path, $supercachedir, $blog_cache_dir, $wp_cache_object_cache;
2831


2832	if ( $wp_cache_object_cache && function_exists( "reset_oc_version" ) )
2833	reset_oc_version();
2834
	@@ -3137,6 +3199,8 @@ function wpsc_get_logged_in_cookie() {
3137
3138	function wpsc_get_htaccess_info() {
3139	global $wp_cache_mobile_enabled, $wp_cache_mobile_prefixes, $wp_cache_mobile_browsers, $wp_cache_disable_utf8;


3140	if ( isset( $_SERVER[ "PHP_DOCUMENT_ROOT" ] ) ) {
3141	$document_root = $_SERVER[ "PHP_DOCUMENT_ROOT" ];
3142	$apache_root = $_SERVER[ "PHP_DOCUMENT_ROOT" ];
	@@ -3165,7 +3229,9 @@ function wpsc_get_htaccess_info() {
3165	$home_path = get_home_path();
3166	$home_root = parse_url(get_bloginfo('url'));
3167	$home_root = isset( $home_root[ 'path' ] ) ? trailingslashit( $home_root[ 'path' ] ) : '/';
3168	- if (


3169	$home_root == '/' &&
3170	$home_path != $_SERVER[ 'DOCUMENT_ROOT' ]
3171	) {
	@@ -3191,7 +3257,7 @@ function wpsc_get_htaccess_info() {
3191	$condition_rules[] = "RewriteCond %{REQUEST_URI} !^.//.$";
3192	}
3193	$condition_rules[] = "RewriteCond %{REQUEST_METHOD} !POST";
3194	- $condition_rules[] = "RewriteCond %{QUERY_STRING} !.=.";
3195	$condition_rules[] = "RewriteCond %{HTTP:Cookie} !^.(comment_author_\|" . wpsc_get_logged_in_cookie() . "\|wp-postpass_).$";
3196	$condition_rules[] = "RewriteCond %{HTTP:X-Wap-Profile} !^[a-z0-9\\\"]+ [NC]";
3197	$condition_rules[] = "RewriteCond %{HTTP:Profile} !^[a-z0-9\\\"]+ [NC]";
	@@ -3264,7 +3330,7 @@ function wp_cron_preload_cache() {
3264
3265	if ( get_option( 'preload_cache_stop' ) ) {
3266	delete_option( 'preload_cache_stop' );
3267	- wp_cache_debug( "wp_cron_preload_cache: preload cancelled", 1 );
3268	return true;
3269	}
3270
	@@ -3272,10 +3338,10 @@ function wp_cron_preload_cache() {
3272	sleep( 3 + mt_rand( 1, 5 ) );
3273	if ( @file_exists( $mutex ) ) {
3274	if ( @filemtime( $mutex ) > ( time() - 600 ) ) {
3275	- wp_cache_debug( "wp_cron_preload_cache: preload mutex found and less than 600 seconds old. Aborting preload.", 1 );
3276	return true;
3277	} else {
3278	- wp_cache_debug( "wp_cron_preload_cache: old preload mutex found and deleted. Preload continues.", 1 );
3279	@unlink( $mutex );
3280	}
3281	}
	@@ -3284,7 +3350,7 @@ function wp_cron_preload_cache() {
3284
3285	$counter = get_option( 'preload_cache_counter' );
3286	if ( is_array( $counter ) == false ) {
3287	- wp_cache_debug( "wp_cron_preload_cache: setting up preload for the first time!", 5 );
3288	$counter = array( 'c' => 0, 't' => time() );
3289	update_option( 'preload_cache_counter', $counter );
3290	}
	@@ -3300,7 +3366,7 @@ function wp_cron_preload_cache() {
3300	wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Cache Preload Started', 'wp-super-cache' ), home_url(), '' ), ' ' );
3301
3302	if ( $wp_cache_preload_posts == 'all' \|\| $c < $wp_cache_preload_posts ) {
3303	- wp_cache_debug( "wp_cron_preload_cache: doing taxonomy preload.", 5 );
3304	$permalink_counter_msg = $cache_path . "preload_permalink.txt";
3305	if ( isset( $wp_cache_preload_taxonomies ) && $wp_cache_preload_taxonomies ) {
3306	$taxonomies = apply_filters( 'wp_cache_preload_taxonomies', array( 'post_tag' => 'tag', 'category' => 'category' ) );
	@@ -3345,7 +3411,7 @@ function wp_cron_preload_cache() {
3345	wp_cache_debug( "wp_cron_preload_cache: fetched $url", 5 );
3346	sleep( 1 );
3347	if ( @file_exists( $cache_path . "stop_preload.txt" ) ) {
3348	- wp_cache_debug( "wp_cron_preload_cache: cancelling preload. stop_preload.txt found.", 5 );
3349	@unlink( $mutex );
3350	@unlink( $cache_path . "stop_preload.txt" );
3351	@unlink( $taxonomy_filename );
	@@ -3405,7 +3471,7 @@ function wp_cron_preload_cache() {
3405	@fclose( $fp );
3406	}
3407	if ( @file_exists( $cache_path . "stop_preload.txt" ) ) {
3408	- wp_cache_debug( "wp_cron_preload_cache: cancelling preload. stop_preload.txt found.", 5 );
3409	@unlink( $mutex );
3410	@unlink( $cache_path . "stop_preload.txt" );
3411	update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) );
	@@ -3422,7 +3488,7 @@ function wp_cron_preload_cache() {
3422	if ( $wp_cache_preload_email_me && ( $wp_cache_preload_email_volume == 'medium' \|\| $wp_cache_preload_email_volume == 'many' ) )
3423	wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] %2$d posts refreshed', 'wp-super-cache' ), home_url(), ($c+100) ), __( "Refreshed the following posts:", 'wp-super-cache' ) . "\n$msg" );
3424	if ( defined( 'DOING_CRON' ) ) {
3425	- wp_cache_debug( "wp_cron_preload_cache: scheduling the next preload in 30 seconds.", 5 );
3426	wp_schedule_single_event( time() + 30, 'wp_cache_preload_hook' );
3427	}
3428	} else {
	@@ -3814,14 +3880,9 @@ function update_mod_rewrite_rules( $add_rules = true ) {
3814	}
3815
3816	$generated_rules = wpsc_get_htaccess_info();

3817
3818	- if ( $add_rules ) {
3819	- $rules = $generated_rules[ 'rules' ];
3820	- } else {
3821	- $rules = '';
3822	- }
3823	-
3824	- $existing_rules = implode( "\n", extract_from_markers( $home_path . '.htaccess', 'WPSuperCache' ) );
3825
3826	if ( $existing_rules == $rules ) {
3827	$update_mod_rewrite_rules_error = "rules have not changed";
	@@ -3833,6 +3894,10 @@ function update_mod_rewrite_rules( $add_rules = true ) {
3833	return false;
3834	}
3835




3836	$url = trailingslashit( get_bloginfo( 'url' ) );
3837	$original_page = wp_remote_get( $url, array( 'timeout' => 60, 'blocking' => true ) );
3838	if ( is_wp_error( $original_page ) ) {


3	Plugin Name: WP Super Cache
4	Plugin URI: https://wordpress.org/plugins/wp-super-cache/
5	Description: Very fast caching plugin for WordPress.
6	+ Version: 1.6.0
7	Author: Automattic
8	Author URI: https://automattic.com/
9	License: GPL2+

29	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30	*/
31
32	+ if ( ! function_exists( 'wp_cache_phase2' ) ) {
33	+ require_once( dirname( __FILE__ ) . '/wp-cache-phase2.php');
34	+ }
35
36	function wpsc_init() {
37	global $wp_cache_config_file, $wp_cache_config_file_sample, $wp_cache_file, $wp_cache_check_wp_config, $wp_cache_link;

61
62	wpsc_init();
63
64	+ /**
65	+ * WP-CLI requires explicit declaration of global variables.
66	+ * It's minimal list of global variables.
67	+ */
68	+ global $super_cache_enabled, $cache_enabled, $wp_cache_home_path, $cache_path;
69	+ global $wp_cache_config_file, $wp_cache_config_file_sample;
70	+
71	if( !@include($wp_cache_config_file) ) {
72	get_wpcachehome();
73	$wp_cache_config_file_sample = WPCACHEHOME . 'wp-cache-config-sample.php';

81	include( dirname( __FILE__ ) . '/rest/load.php' );
82	}
83
84	+ function wp_super_cache_init_action() {
85	load_plugin_textdomain( 'wp-super-cache', false, basename( dirname( __FILE__ ) ) . '/languages' );
86	+
87	+ wpsc_register_post_hooks();
88	}
89	+ add_action( 'init', 'wp_super_cache_init_action' );
90
91	function wp_cache_set_home() {
92	global $wp_cache_is_home;

123
124	wp_cache_remove_index();
125
126	+ if ( ! empty( $cache_path ) ) {
127	@unlink( $cache_path . '.htaccess' );
128	@unlink( $cache_path . 'meta' );
129	@unlink( $cache_path . 'supercache' );

141
142	function wpsupercache_deactivate() {
143	global $wp_cache_config_file, $wp_cache_link, $cache_path;
144	+
145	+ if ( file_exists( $wp_cache_link ) ) {
146	unlink( $wp_cache_link );
147	+ }
148	+
149	+ if ( ! empty( $cache_path ) ) {
150	+ prune_super_cache( $cache_path, true );
151	+ wp_cache_remove_index();
152	+ @unlink( $cache_path . '.htaccess' );
153	+ @unlink( $cache_path . 'meta' );
154	+ @unlink( $cache_path . 'supercache' );
155	+ }
156	+
157	wp_clear_scheduled_hook( 'wp_cache_check_site_hook' );
158	wp_clear_scheduled_hook( 'wp_cache_gc' );
159	wp_clear_scheduled_hook( 'wp_cache_gc_watcher' );

216	function wp_cache_manager_error_checks() {
217	global $wp_cache_debug, $wp_cache_cron_check, $cache_enabled, $super_cache_enabled, $wp_cache_config_file, $wp_cache_mobile_browsers, $wp_cache_mobile_prefixes, $wp_cache_mobile_browsers, $wp_cache_mobile_enabled, $wp_cache_mod_rewrite;
218	global $dismiss_htaccess_warning, $dismiss_readable_warning, $dismiss_gc_warning, $wp_cache_shutdown_gc, $is_nginx;
219	+ global $htaccess_path;
220
221	if ( !wpsupercache_site_admin() )
222	return false;

285	if ( false == function_exists( 'wpsc_deep_replace' ) ) {
286	$msg = __( 'Warning! You must set WP_CACHE and WPCACHEHOME in your wp-config.php for this plugin to work correctly:' ) . '<br />';
287	$msg .= "<code>define( 'WP_CACHE', true );</code><br />";
288	+ $msg .= "<code>define( 'WPCACHEHOME', '" . dirname( __FILE__ ) . "/' );</code><br />";
289	wp_die( $msg );
290	}
291

378	}
379
380	if ( ! $is_nginx && function_exists( "is_main_site" ) && true == is_main_site() ) {
381	+ if ( isset( $htaccess_path ) ) {
382	+ $home_path = trailingslashit( get_home_path() );
383	+ } else {
384	+ $home_path = $htaccess_path;
385	+ }
386	$scrules = implode( "\n", extract_from_markers( $home_path.'.htaccess', 'WPSuperCache' ) );
387	if ( $cache_enabled && $wp_cache_mod_rewrite && !$wp_cache_mobile_enabled && strpos( $scrules, addcslashes( str_replace( ', ', '\|', $wp_cache_mobile_browsers ), ' ' ) ) ) {
388	echo '<div class="notice notice-warning"><h3>' . __( 'Mobile rewrite rules detected', 'wp-super-cache' ) . "</h3>";

742	} elseif ( function_exists( 'lite_detection_ua_contains' ) ) {
743	$wp_cache_mobile_browsers = explode( '\|', lite_detection_ua_contains() );
744	} else {
745	+ $wp_cache_mobile_browsers = array( '2.0 MMP', '240x320', '400X240', 'AvantGo', 'BlackBerry', 'Blazer', 'Cellphone', 'Danger', 'DoCoMo', 'Elaine/3.0', 'EudoraWeb', 'Googlebot-Mobile', 'hiptop', 'IEMobile', 'KYOCERA/WX310K', 'LG/U990', 'MIDP-2.', 'MMEF20', 'MOT-V', 'NetFront', 'Newt', 'Nintendo Wii', 'Nitro', 'Nokia', 'Opera Mini', 'Palm', 'PlayStation Portable', 'portalmmm', 'Proxinet', 'ProxiNet', 'SHARP-TQ-GX10', 'SHG-i900', 'Small', 'SonyEricsson', 'Symbian OS', 'SymbianOS', 'TS21i-10', 'UP.Browser', 'UP.Link', 'webOS', 'Windows CE', 'WinWAP', 'YahooSeeker/M1A1-R2D2', 'iPhone', 'iPod', 'iPad', 'Android', 'BlackBerry9530', 'LG-TU915 Obigo', 'LGE VX', 'webOS', 'Nokia5800' );
746	}
747	if ( function_exists( "lite_detection_ua_prefixes" ) ) {
748	$wp_cache_mobile_prefixes = lite_detection_ua_prefixes();

1273	<p><?php _e( 'Caching is only one part of making a website faster. Here are some other plugins that will help:', 'wp-super-cache' ); ?></p>
1274	<ul style="list-style: square; margin-left: 2em;">
1275	<li><?php printf( __( '<a href="%s">Jetpack</a> provides everything you need to build a successful WordPress website including an image/photo CDN (free) and a video hosting service (paid).', 'wp-super-cache' ), 'https://jetpack.com/redirect/?source=jitm-wpsc-recommended' ); ?></li>
1276	+ <li><?php printf( __( '<a href="%s">Yahoo! Yslow</a> analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. Also try the performance tools online at <a href="%s">GTMetrix</a>.', 'wp-super-cache' ), 'http://yslow.org/', 'https://gtmetrix.com/' ); ?></li>
1277	<li><?php printf( __( '<a href="%s">Use Google Libraries</a> allows you to load some commonly used Javascript libraries from Google webservers. Ironically, it may reduce your Yslow score.', 'wp-super-cache' ), 'https://wordpress.org/plugins/use-google-libraries/' ); ?></li>
1278	<li><?php printf( __( '<strong>Advanced users only:</strong> Install an object cache. Choose from <a href="%s">Memcached</a>, <a href="%s">XCache</a>, <a href="%s">eAcccelerator</a> and others.', 'wp-super-cache' ), 'https://wordpress.org/plugins/memcached/', 'https://neosmart.net/WP/XCache/', 'https://neosmart.net/WP/eAccelerator/' ); ?></li>
1279	+ <li><?php printf( __( '<a href="%s">WP Control</a> is a useful plugin to use when trying to debug garbage collection and preload problems.', 'wp-super-cache' ), 'https://wordpress.org/plugins/wp-crontrol/' ); ?></li>
1280	</ul>
1281
1282	<?php

1381	}
1382
1383	function wsc_mod_rewrite() {
1384	+ global $valid_nonce, $cache_path;
1385
1386	+ if ( $GLOBALS['is_nginx'] ) {
1387	return false;
1388	}
1389
1390	+ if ( defined( 'WPSC_DISABLE_HTACCESS_UPDATE' ) ) {
1391	return false;
1392	+ }
1393
1394	+ if ( $GLOBALS['cache_enabled'] !== true \|\| $GLOBALS['wp_cache_mod_rewrite'] !== 1 ) {
1395	return false;
1396	+ }
1397	+
1398	?>
1399	<a name="modrewrite"></a><fieldset class="options">
1400	<h3><?php _e( 'Mod Rewrite Rules', 'wp-super-cache' ); ?></h3>

1994	);
1995	}
1996
1997	+ if ( isset( $_POST[ 'wpsc_delete_log' ] ) && $_POST[ 'wpsc_delete_log' ] == 1 && $wp_cache_debug_log != '' ) {
1998	@unlink( $cache_path . $wp_cache_debug_log );
1999	extract( wpsc_create_debug_log( $wp_cache_debug_log, $wp_cache_debug_username ) ); // $wp_cache_debug_log, $wp_cache_debug_username








2000	}
2001
2002	+ if ( ! isset( $wp_cache_debug_log ) \|\| $wp_cache_debug_log == '' ) {
2003	+ extract( wpsc_create_debug_log() ); // $wp_cache_debug_log, $wp_cache_debug_username
2004	+ } elseif ( ! file_exists( $cache_path . $wp_cache_debug_log ) ) { // make sure debug log exists before toggling debugging
2005	+ extract( wpsc_create_debug_log( $wp_cache_debug_log, $wp_cache_debug_username ) ); // $wp_cache_debug_log, $wp_cache_debug_username
2006	+ }
2007	+ $wp_super_cache_debug = ( isset( $_POST[ 'wp_super_cache_debug' ] ) && $_POST[ 'wp_super_cache_debug' ] == 1 ) ? 1 : 0;
2008	+ wp_cache_setting( 'wp_super_cache_debug', $wp_super_cache_debug );
2009	+
2010	if ( isset( $_POST[ 'wp_cache_debug' ] ) ) {
2011	wp_cache_setting( 'wp_cache_debug_username', $wp_cache_debug_username );
2012	wp_cache_setting( 'wp_cache_debug_log', $wp_cache_debug_log );
2013	$wp_super_cache_comments = isset( $_POST[ 'wp_super_cache_comments' ] ) ? 1 : 0;
2014	wp_cache_setting( 'wp_super_cache_comments', $wp_super_cache_comments );
2015	+ if ( isset( $_POST[ 'wp_cache_debug_ip' ] ) ) {
2016	+ $wp_cache_debug_ip = esc_html( $_POST[ 'wp_cache_debug_ip' ] );
2017	+ } else {
2018	+ $wp_cache_debug_ip = '';
2019	+ }
2020	wp_cache_setting( 'wp_cache_debug_ip', $wp_cache_debug_ip );
2021	$wp_super_cache_front_page_check = isset( $_POST[ 'wp_super_cache_front_page_check' ] ) ? 1 : 0;
2022	wp_cache_setting( 'wp_super_cache_front_page_check', $wp_super_cache_front_page_check );
2023	$wp_super_cache_front_page_clear = isset( $_POST[ 'wp_super_cache_front_page_clear' ] ) ? 1 : 0;
2024	wp_cache_setting( 'wp_super_cache_front_page_clear', $wp_super_cache_front_page_clear );
2025	+ if ( isset( $_POST[ 'wp_super_cache_front_page_text' ] ) ) {
2026	+ $wp_super_cache_front_page_text = esc_html( $_POST[ 'wp_super_cache_front_page_text' ] );
2027	+ } else {
2028	+ $wp_super_cache_front_page_text = '';
2029	+ }
2030	wp_cache_setting( 'wp_super_cache_front_page_text', $wp_super_cache_front_page_text );
2031	$wp_super_cache_front_page_notification = isset( $_POST[ 'wp_super_cache_front_page_notification' ] ) ? 1 : 0;
2032	wp_cache_setting( 'wp_super_cache_front_page_notification', $wp_super_cache_front_page_notification );

2074
2075	echo '<form name="wpsc_delete" action="" method="post">';
2076	wp_nonce_field('wp-cache');
2077	+ echo "<input type='hidden' name='wpsc_delete_log' value='1' />";
2078	+ submit_button( __( 'Delete', 'wp-super-cache' ), 'delete', 'wpsc_delete_log_form', false );
2079	echo "</form>";
2080	echo '<form name="wpsc_delete" action="" method="post">';
2081	if ( ! isset( $wp_super_cache_debug ) \|\| $wp_super_cache_debug == 0 ) {

2119	function wp_cache_enable() {
2120	global $wp_cache_config_file, $cache_enabled;
2121
2122	+ if ( ! wp_cache_replace_line( '^\s\$cache_enabled\s=', '$cache_enabled = true;', $wp_cache_config_file ) ) {
2123	+ return;
2124	}
2125
2126	+ $cache_enabled = true;
2127	+
2128	if ( wpsc_set_default_gc() ) {
2129	// gc might not be scheduled, check and schedule
2130	$timestamp = wp_next_scheduled( 'wp_cache_gc' );

2137	function wp_cache_disable() {
2138	global $wp_cache_config_file, $cache_enabled;
2139
2140	+ if ( ! wp_cache_replace_line( '^\s\$cache_enabled\s=', '$cache_enabled = false;', $wp_cache_config_file ) ) {
2141	+ return;
2142	+ }
2143	+
2144	+ $cache_enabled = false;
2145	+
2146	wp_clear_scheduled_hook( 'wp_cache_check_site_hook' );
2147	wp_clear_scheduled_hook( 'wp_cache_gc' );
2148	wp_clear_scheduled_hook( 'wp_cache_gc_watcher' );



2149	}
2150	+
2151	function wp_super_cache_enable() {
2152	global $supercachedir, $wp_cache_config_file, $super_cache_enabled;
2153
2154	+ if ( ! wp_cache_replace_line( '^\s\$super_cache_enabled\s=', '$super_cache_enabled = true;', $wp_cache_config_file ) ) {
2155	+ return;
2156	+ }
2157	+
2158	+ $super_cache_enabled = true;
2159	+
2160	+ if ( is_dir( $supercachedir . '.disabled' ) ) {
2161	+ if ( is_dir( $supercachedir ) ) {
2162	+ prune_super_cache( $supercachedir . '.disabled', true );
2163	+ @unlink( $supercachedir . '.disabled' );
2164	} else {
2165	+ @rename( $supercachedir . '.disabled', $supercachedir );
2166	}
2167	+ }

2168	}
2169
2170	function wp_super_cache_disable() {
2171	global $cache_path, $supercachedir, $wp_cache_config_file, $super_cache_enabled;
2172
2173	+ if ( ! wp_cache_replace_line('^\s\$super_cache_enabled\s=', '$super_cache_enabled = false;', $wp_cache_config_file ) ) {
2174	+ return;
2175	+ }
2176	+
2177	$super_cache_enabled = false;
2178	+
2179	+ if ( is_dir( $supercachedir ) ) {
2180	+ @rename( $supercachedir, $supercachedir . '.disabled' );
2181	+ }
2182	sleep( 1 ); // allow existing processes to write to the supercachedir and then delete it
2183	+ if ( function_exists( 'prune_super_cache' ) && is_dir( $supercachedir ) ) {
2184	prune_super_cache( $cache_path, true );
2185	}
2186	+
2187	+ if ( $GLOBALS['wp_cache_mod_rewrite'] === 1 ) {
2188	+ remove_mod_rewrite_rules();
2189	+ }
2190	}
2191
2192	function wp_cache_is_enabled() {
2193	global $wp_cache_config_file;
2194
2195	+ if ( get_option( 'gzipcompression' ) ) {
2196	+ echo '<strong>' . __( 'Warning', 'wp-super-cache' ) . '</strong>: ' . __( 'GZIP compression is enabled in WordPress, wp-cache will be bypassed until you disable gzip compression.', 'wp-super-cache' );
2197	return false;
2198	}
2199	+
2200	+ $lines = file( $wp_cache_config_file );
2201	+ foreach ( $lines as $line ) {
2202	+ if ( preg_match( '/^\s\$cache_enabled\s=\strue\s;/', $line ) ) {
2203	return true;
2204	+ }
2205	}
2206	+
2207	return false;
2208	}
2209
2210	function wp_cache_remove_index() {
2211	global $cache_path;
2212
2213	+ if ( empty( $cache_path ) ) {
2214	return;
2215	}
2216

2324	add_site_option( 'wp_super_cache_index_detected', 1 ); // only show this once
2325	}
2326	}
2327	+ if ( ! function_exists( 'insert_with_markers' ) ) {
2328	+ include_once( ABSPATH . 'wp-admin/includes/misc.php' );
2329	+ }
2330	insert_with_markers( $cache_path . '.htaccess', "INDEX", array( 'Options -Indexes' ) );
2331	}
2332

2889	function wp_cache_clean_cache( $file_prefix, $all = false ) {
2890	global $cache_path, $supercachedir, $blog_cache_dir, $wp_cache_object_cache;
2891
2892	+ do_action( 'wp_cache_cleared' );
2893	+
2894	if ( $wp_cache_object_cache && function_exists( "reset_oc_version" ) )
2895	reset_oc_version();
2896

3199
3200	function wpsc_get_htaccess_info() {
3201	global $wp_cache_mobile_enabled, $wp_cache_mobile_prefixes, $wp_cache_mobile_browsers, $wp_cache_disable_utf8;
3202	+ global $htaccess_path;
3203	+
3204	if ( isset( $_SERVER[ "PHP_DOCUMENT_ROOT" ] ) ) {
3205	$document_root = $_SERVER[ "PHP_DOCUMENT_ROOT" ];
3206	$apache_root = $_SERVER[ "PHP_DOCUMENT_ROOT" ];

3229	$home_path = get_home_path();
3230	$home_root = parse_url(get_bloginfo('url'));
3231	$home_root = isset( $home_root[ 'path' ] ) ? trailingslashit( $home_root[ 'path' ] ) : '/';
3232	+ if ( isset( $htaccess_path ) ) {
3233	+ $home_path = $htaccess_path;
3234	+ } elseif (
3235	$home_root == '/' &&
3236	$home_path != $_SERVER[ 'DOCUMENT_ROOT' ]
3237	) {

3257	$condition_rules[] = "RewriteCond %{REQUEST_URI} !^.//.$";
3258	}
3259	$condition_rules[] = "RewriteCond %{REQUEST_METHOD} !POST";
3260	+ $condition_rules[] = "RewriteCond %{QUERY_STRING} ^$";
3261	$condition_rules[] = "RewriteCond %{HTTP:Cookie} !^.(comment_author_\|" . wpsc_get_logged_in_cookie() . "\|wp-postpass_).$";
3262	$condition_rules[] = "RewriteCond %{HTTP:X-Wap-Profile} !^[a-z0-9\\\"]+ [NC]";
3263	$condition_rules[] = "RewriteCond %{HTTP:Profile} !^[a-z0-9\\\"]+ [NC]";

3330
3331	if ( get_option( 'preload_cache_stop' ) ) {
3332	delete_option( 'preload_cache_stop' );
3333	+ wp_cache_debug( 'wp_cron_preload_cache: preload cancelled', 1 );
3334	return true;
3335	}
3336

3338	sleep( 3 + mt_rand( 1, 5 ) );
3339	if ( @file_exists( $mutex ) ) {
3340	if ( @filemtime( $mutex ) > ( time() - 600 ) ) {
3341	+ wp_cache_debug( 'wp_cron_preload_cache: preload mutex found and less than 600 seconds old. Aborting preload.', 1 );
3342	return true;
3343	} else {
3344	+ wp_cache_debug( 'wp_cron_preload_cache: old preload mutex found and deleted. Preload continues.', 1 );
3345	@unlink( $mutex );
3346	}
3347	}

3350
3351	$counter = get_option( 'preload_cache_counter' );
3352	if ( is_array( $counter ) == false ) {
3353	+ wp_cache_debug( 'wp_cron_preload_cache: setting up preload for the first time!', 5 );
3354	$counter = array( 'c' => 0, 't' => time() );
3355	update_option( 'preload_cache_counter', $counter );
3356	}

3366	wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] Cache Preload Started', 'wp-super-cache' ), home_url(), '' ), ' ' );
3367
3368	if ( $wp_cache_preload_posts == 'all' \|\| $c < $wp_cache_preload_posts ) {
3369	+ wp_cache_debug( 'wp_cron_preload_cache: doing taxonomy preload.', 5 );
3370	$permalink_counter_msg = $cache_path . "preload_permalink.txt";
3371	if ( isset( $wp_cache_preload_taxonomies ) && $wp_cache_preload_taxonomies ) {
3372	$taxonomies = apply_filters( 'wp_cache_preload_taxonomies', array( 'post_tag' => 'tag', 'category' => 'category' ) );

3411	wp_cache_debug( "wp_cron_preload_cache: fetched $url", 5 );
3412	sleep( 1 );
3413	if ( @file_exists( $cache_path . "stop_preload.txt" ) ) {
3414	+ wp_cache_debug( 'wp_cron_preload_cache: cancelling preload. stop_preload.txt found.', 5 );
3415	@unlink( $mutex );
3416	@unlink( $cache_path . "stop_preload.txt" );
3417	@unlink( $taxonomy_filename );

3471	@fclose( $fp );
3472	}
3473	if ( @file_exists( $cache_path . "stop_preload.txt" ) ) {
3474	+ wp_cache_debug( 'wp_cron_preload_cache: cancelling preload. stop_preload.txt found.', 5 );
3475	@unlink( $mutex );
3476	@unlink( $cache_path . "stop_preload.txt" );
3477	update_option( 'preload_cache_counter', array( 'c' => 0, 't' => time() ) );

3488	if ( $wp_cache_preload_email_me && ( $wp_cache_preload_email_volume == 'medium' \|\| $wp_cache_preload_email_volume == 'many' ) )
3489	wp_mail( get_option( 'admin_email' ), sprintf( __( '[%1$s] %2$d posts refreshed', 'wp-super-cache' ), home_url(), ($c+100) ), __( "Refreshed the following posts:", 'wp-super-cache' ) . "\n$msg" );
3490	if ( defined( 'DOING_CRON' ) ) {
3491	+ wp_cache_debug( 'wp_cron_preload_cache: scheduling the next preload in 30 seconds.', 5 );
3492	wp_schedule_single_event( time() + 30, 'wp_cache_preload_hook' );
3493	}
3494	} else {

3880	}
3881
3882	$generated_rules = wpsc_get_htaccess_info();
3883	+ $existing_rules = implode( "\n", extract_from_markers( $home_path . '.htaccess', 'WPSuperCache' ) );
3884
3885	+ $rules = $add_rules ? $generated_rules[ 'rules' ] : '';






3886
3887	if ( $existing_rules == $rules ) {
3888	$update_mod_rewrite_rules_error = "rules have not changed";

3894	return false;
3895	}
3896
3897	+ if ( empty( $rules ) ) {
3898	+ return insert_with_markers( $home_path . '.htaccess', 'WPSuperCache', array() );
3899	+ }
3900	+
3901	$url = trailingslashit( get_bloginfo( 'url' ) );
3902	$original_page = wp_remote_get( $url, array( 'timeout' => 60, 'blocking' => true ) );
3903	if ( is_wp_error( $original_page ) ) {