← All changes | cache/file-based-page-cache.php +3 -116 3.2.5 → 4.7.0 View file →

		@@ -16,122 +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		- add_filter('wpo_url_in_conditional_tags_exceptions', 'wpo_url_in_conditional_tags_exceptions');
30		- $restricted_cache_page_type = apply_filters('wpo_restricted_cache_page_type', false);
31		- $conditional_tag_exceptions = wpo_url_in_conditional_tags_exceptions();
32		-} else {
33		- // On old WP versions, you can't filter the result
34		- $restricted_cache_page_type = wpo_restricted_cache_page_type(false);
35		- $conditional_tag_exceptions = wpo_url_in_conditional_tags_exceptions();
	22	+if (true === wpo_can_serve_from_cache()) {
	23	+ wpo_serve_cache();
36	24	}
37		-
38		-if ($restricted_cache_page_type) {
39		- $no_cache_because[] = $restricted_cache_page_type;
40		-}
41		-
42		-if ($conditional_tag_exceptions) {
43		- $no_cache_because[] = $conditional_tag_exceptions;
44		-}
45		-
46		-// Don't cache non-GET requests.
47		-if (!isset($_SERVER['REQUEST_METHOD']) || 'GET' !== $_SERVER['REQUEST_METHOD']) {
48		- $no_cache_because[] = 'The request method was not GET ('.(isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : '-').')';
49		-}
50		-
51		-$file_extension = $_SERVER['REQUEST_URI'];
52		-$file_extension = preg_replace('#^(.*?)\?.*$#', '$1', $file_extension);
53		-$file_extension = trim(preg_replace('#^.*\.(.*)$#', '$1', $file_extension));
54		-
55		-// Don't cache disallowed extensions. Prevents wp-cron.php, xmlrpc.php, etc.
56		-if (!preg_match('#index\.php$#i', $_SERVER['REQUEST_URI']) && !preg_match('#sitemap([a-zA-Z0-9_-]+)?\.xml$#i', $_SERVER['REQUEST_URI']) && in_array($file_extension, array('php', 'xml', 'xsl'))) {
57		- $no_cache_because[] = 'The request extension is not suitable for caching';
58		-}
59		-
60		-// Don't cache if logged in.
61		-if (!empty($_COOKIE)) {
62		- $wp_cookies = array('wordpressuser_', 'wordpresspass_', 'wordpress_sec_', 'wordpress_logged_in_');
63		-
64		- if (!wpo_cache_loggedin_users()) {
65		- foreach ($_COOKIE as $key => $value) {
66		- foreach ($wp_cookies as $cookie) {
67		- if (false !== strpos($key, $cookie)) {
68		- $no_cache_because[] = 'WordPress login cookies were detected';
69		- break(2);
70		- }
71		- }
72		- }
73		- }
74		-
75		- if (!empty($_COOKIE['wpo_commented_post'])) {
76		- $no_cache_because[] = 'The user has commented on a post (comment cookie set)';
77		- }
78		-
79		- // get cookie exceptions from options.
80		- $cache_exception_cookies = !empty($GLOBALS['wpo_cache_config']['cache_exception_cookies']) ? $GLOBALS['wpo_cache_config']['cache_exception_cookies'] : array();
81		- // filter cookie exceptions, since WP 4.6
82		- $cache_exception_cookies = function_exists('apply_filters') ? apply_filters('wpo_cache_exception_cookies', $cache_exception_cookies) : $cache_exception_cookies;
83		-
84		- // check if any cookie exists from exception list.
85		- if (!empty($cache_exception_cookies)) {
86		- foreach ($_COOKIE as $key => $value) {
87		- foreach ($cache_exception_cookies as $cookie) {
88		- if ('' != trim($cookie) && false !== strpos($key, $cookie)) {
89		- $no_cache_because[] = 'An excepted cookie was set ('.$key.')';
90		- break 2;
91		- }
92		- }
93		- }
94		- }
95		-}
96		-
97		-// check in not disabled current user agent
98		-if (!empty($_SERVER['HTTP_USER_AGENT']) && false === wpo_is_accepted_user_agent($_SERVER['HTTP_USER_AGENT'])) {
99		- $no_cache_because[] = "In the settings, caching is disabled for matches for this request's user agent";
100		-}
101		-
102		-// Deal with optional cache exceptions.
103		-if (wpo_url_in_exceptions(wpo_current_url())) {
104		- $no_cache_because[] = 'In the settings, caching is disabled for matches for the current URL';
105		-}
106		-
107		-if (!empty($_GET)) {
108		- // get variables used for building filename.
109		- $get_variable_names = wpo_cache_query_variables();
110		-
111		- $get_variables = wpo_cache_maybe_ignore_query_variables(array_keys($_GET));
112		-
113		- // if GET variables include one or more undefined variable names then we don't cache.
114		- $get_variables_diff = array_diff($get_variables, $get_variable_names);
115		- if (!empty($get_variables_diff)) {
116		- $no_cache_because[] = "In the settings, caching is disabled for matches for one of the current request's GET parameters";
117		- }
118		-}
119		-
120		-if (!empty($no_cache_because)) {
121		- $no_cache_because_message = implode(', ', $no_cache_because);
122		-
123		- // Add http header
124		- if (!defined('DOING_CRON') || !DOING_CRON) {
125		- wpo_cache_add_nocache_http_header($no_cache_because_message);
126		- }
127		-
128		- // Only output if the user has turned on debugging output
129		- if (((defined('WP_DEBUG') && WP_DEBUG) || isset($_GET['wpo_cache_debug'])) && (!defined('DOING_CRON') || !DOING_CRON)) {
130		- wpo_cache_add_footer_output("Page not served from cache because: ".htmlspecialchars($no_cache_because_message));
131		- }
132		- return;
133		-}
134		-
135		-wpo_serve_cache();
136		-
137		-ob_start('wpo_cache');