← All changes | cache/file-based-page-cache.php +3 -109 3.2.3 → 4.7.0 View file →

		@@ -16,115 +16,9 @@
16	16
17	17	/**
18	18	* Action triggered when the cache extensions are all loaded. Allows to execute code depending on an other extension, without knowing the order in which the files are loaded.
19	19	*/
20		-if (function_exists('do_action')) {
21		- do_action('wpo_cache_extensions_loaded');
22		-}
	20	+do_action('wpo_cache_extensions_loaded');
23	21
24		-$no_cache_because = array();
25		-
26		-// check if we want to cache current page.
27		-if (function_exists('add_filter') && function_exists('apply_filters')) {
28		- add_filter('wpo_restricted_cache_page_type', 'wpo_restricted_cache_page_type');
29		- $restricted_cache_page_type = apply_filters('wpo_restricted_cache_page_type', false);
30		-} else {
31		- // On old WP versions, you can't filter the result
32		- $restricted_cache_page_type = wpo_restricted_cache_page_type(false);
	22	+if (true === wpo_can_serve_from_cache()) {
	23	+ wpo_serve_cache();
33	24	}
34		-
35		-if ($restricted_cache_page_type) {
36		- $no_cache_because[] = $restricted_cache_page_type;
37		-}
38		-
39		-// Don't cache non-GET requests.
40		-if (!isset($_SERVER['REQUEST_METHOD']) || 'GET' !== $_SERVER['REQUEST_METHOD']) {
41		- $no_cache_because[] = 'The request method was not GET ('.(isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : '-').')';
42		-}
43		-
44		-$file_extension = $_SERVER['REQUEST_URI'];
45		-$file_extension = preg_replace('#^(.*?)\?.*$#', '$1', $file_extension);
46		-$file_extension = trim(preg_replace('#^.*\.(.*)$#', '$1', $file_extension));
47		-
48		-// Don't cache disallowed extensions. Prevents wp-cron.php, xmlrpc.php, etc.
49		-if (!preg_match('#index\.php$#i', $_SERVER['REQUEST_URI']) && !preg_match('#sitemap([a-zA-Z0-9_-]+)?\.xml$#i', $_SERVER['REQUEST_URI']) && in_array($file_extension, array('php', 'xml', 'xsl'))) {
50		- $no_cache_because[] = 'The request extension is not suitable for caching';
51		-}
52		-
53		-// Don't cache if logged in.
54		-if (!empty($_COOKIE)) {
55		- $wp_cookies = array('wordpressuser_', 'wordpresspass_', 'wordpress_sec_', 'wordpress_logged_in_');
56		-
57		- if (!wpo_cache_loggedin_users()) {
58		- foreach ($_COOKIE as $key => $value) {
59		- foreach ($wp_cookies as $cookie) {
60		- if (false !== strpos($key, $cookie)) {
61		- $no_cache_because[] = 'WordPress login cookies were detected';
62		- break(2);
63		- }
64		- }
65		- }
66		- }
67		-
68		- if (!empty($_COOKIE['wpo_commented_post'])) {
69		- $no_cache_because[] = 'The user has commented on a post (comment cookie set)';
70		- }
71		-
72		- // get cookie exceptions from options.
73		- $cache_exception_cookies = !empty($GLOBALS['wpo_cache_config']['cache_exception_cookies']) ? $GLOBALS['wpo_cache_config']['cache_exception_cookies'] : array();
74		- // filter cookie exceptions, since WP 4.6
75		- $cache_exception_cookies = function_exists('apply_filters') ? apply_filters('wpo_cache_exception_cookies', $cache_exception_cookies) : $cache_exception_cookies;
76		-
77		- // check if any cookie exists from exception list.
78		- if (!empty($cache_exception_cookies)) {
79		- foreach ($_COOKIE as $key => $value) {
80		- foreach ($cache_exception_cookies as $cookie) {
81		- if ('' != trim($cookie) && false !== strpos($key, $cookie)) {
82		- $no_cache_because[] = 'An excepted cookie was set ('.$key.')';
83		- break 2;
84		- }
85		- }
86		- }
87		- }
88		-}
89		-
90		-// check in not disabled current user agent
91		-if (!empty($_SERVER['HTTP_USER_AGENT']) && false === wpo_is_accepted_user_agent($_SERVER['HTTP_USER_AGENT'])) {
92		- $no_cache_because[] = "In the settings, caching is disabled for matches for this request's user agent";
93		-}
94		-
95		-// Deal with optional cache exceptions.
96		-if (wpo_url_in_exceptions(wpo_current_url())) {
97		- $no_cache_because[] = 'In the settings, caching is disabled for matches for the current URL';
98		-}
99		-
100		-if (!empty($_GET)) {
101		- // get variables used for building filename.
102		- $get_variable_names = wpo_cache_query_variables();
103		-
104		- $get_variables = wpo_cache_maybe_ignore_query_variables(array_keys($_GET));
105		-
106		- // if GET variables include one or more undefined variable names then we don't cache.
107		- $get_variables_diff = array_diff($get_variables, $get_variable_names);
108		- if (!empty($get_variables_diff)) {
109		- $no_cache_because[] = "In the settings, caching is disabled for matches for one of the current request's GET parameters";
110		- }
111		-}
112		-
113		-if (!empty($no_cache_because)) {
114		- $no_cache_because_message = implode(', ', $no_cache_because);
115		-
116		- // Add http header
117		- if (!defined('DOING_CRON') || !DOING_CRON) {
118		- wpo_cache_add_nocache_http_header($no_cache_because_message);
119		- }
120		-
121		- // Only output if the user has turned on debugging output
122		- if (((defined('WP_DEBUG') && WP_DEBUG) || isset($_GET['wpo_cache_debug'])) && (!defined('DOING_CRON') || !DOING_CRON)) {
123		- wpo_cache_add_footer_output("Page not served from cache because: ".htmlspecialchars($no_cache_because_message));
124		- }
125		- return;
126		-}
127		-
128		-wpo_serve_cache();
129		-
130		-ob_start('wpo_cache');