%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* W3 Total Cache plugins API
*/
/**
* Add W3TC action callback
*
* @param string $key
* @param mixed $callback
* @return void
*/
function w3tc_add_ob_callback($key, $callback) {
$GLOBALS['_w3tc_ob_callbacks'][$key] = $callback;
}
function w3tc_do_ob_callbacks($order, &$value) {
foreach ($order as $key) {
if (isset($GLOBALS['_w3tc_ob_callbacks'][$key])) {
$callback = $GLOBALS['_w3tc_ob_callbacks'][$key];
if (is_callable($callback)) {
$value = call_user_func($callback, $value);
}
}
}
return $value;
}
/**
* Add W3TC action callback
*
* @param string $action
* @param mixed $callback
* @param int $priority
* @return void
*/
function w3tc_add_action($action, $callback, $priority = 10) {
$GLOBALS['_w3tc_actions'][$action][$priority][] = $callback;
ksort($GLOBALS['_w3tc_actions'][$action]);
}
/**
* Do W3TC action
*
* @param string $action
* @param mixed $value
* @return mixed
*/
function w3tc_do_action($action, $value = null) {
if (isset($GLOBALS['_w3tc_actions'][$action])) {
foreach ((array) $GLOBALS['_w3tc_actions'][$action] as $callbacks) {
foreach ($callbacks as $callback) {
if (is_callable($callback)) {
$value = call_user_func($callback, $value);
}
}
}
}
return $value;
}
/**
* Do W3TC action
*
* @param string $action
* @param mixed $value
* @return mixed
*/
function w3tc_do_action_by_ref($action, &$value = null) {
if (isset($GLOBALS['_w3tc_actions'][$action])) {
foreach ((array) $GLOBALS['_w3tc_actions'][$action] as $callbacks) {
foreach ($callbacks as $callback) {
if (is_callable($callback)) {
$value = call_user_func($callback, $value);
}
}
}
}
return $value;
}
/**
* Shortcut for page cache flush
*
* @return boolean
*/
function w3tc_pgcache_flush() {
/**
* @var $w3_cacheflush W3_CacheFlush
*/
$w3_cacheflush = w3_instance('W3_CacheFlush');
return $w3_cacheflush->pgcache_flush();
}
/**
* Shortcut for page post cache flush
*
* @param integer $post_id
* @return boolean
*/
function w3tc_pgcache_flush_post($post_id) {
$w3_cacheflush = w3_instance('W3_CacheFlush');
return $w3_cacheflush->pgcache_flush_post($post_id);
}
/**
* Shortcut for url page cache flush
*
* @param string $url
* @return boolean
*/
function w3tc_pgcache_flush_url($url) {
$w3_cacheflush = w3_instance('W3_CacheFlush');
return $w3_cacheflush->pgcache_flush_url($url);
}
/**
* Shortcut for refreshing the media query string.
*/
function w3tc_browsercache_flush() {
$config = w3_instance('W3_Config');
if ($config->get_boolean('browsercache.enabled')) {
$config->set('browsercache.timestamp', time());
try {
$config->save();
} catch (Exception $ex) {}
}
}
/**
* Shortcut for database cache flush
*
*/
function w3tc_dbcache_flush() {
/**
* @var $w3_cacheflush W3_CacheFlush
*/
$w3_cacheflush = w3_instance('W3_CacheFlush');
$w3_cacheflush->dbcache_flush();
}
/**
* Shortcut for minify cache flush
*
*/
function w3tc_minify_flush() {
/**
* @var $w3_cacheflush W3_CacheFlush
*/
$w3_cacheflush = w3_instance('W3_CacheFlush');
$w3_cacheflush->minifycache_flush();
}
/**
* Shortcut for objectcache cache flush
*
*/
function w3tc_objectcache_flush() {
/**
* @var $w3_cacheflush W3_CacheFlush
*/
$w3_cacheflush = w3_instance('W3_CacheFlush');
$w3_cacheflush->objectcache_flush();
}
/**
* Shortcut for CDN cache post purge
* @param $post_id
* @return mixed
*/
function w3tc_cdncache_purge_post($post_id) {
$w3_cacheflush = w3_instance('W3_CacheFlush');
return $w3_cacheflush->cdncache_purge_post($post_id);
}
/**
* Shortcut for CDN cache url purge
* @param string $url
* @return mixed
*/
function w3tc_cdncache_purge_url($url) {
$w3_cacheflush = w3_instance('W3_CacheFlush');
return $w3_cacheflush->cdncache_purge_url($url);
}
/**
* Shortcut for CDN cache purge
* @return mixed
*/
function w3tc_cdncache_purge() {
$w3_cacheflush = w3_instance('W3_CacheFlush');
return $w3_cacheflush->cdncache_purge();
}
/**
* Shortcut for CDN purge files
* @param array $files Array consisting of uri paths (i.e wp-content/uploads/image.pnp)
* @return mixed
*/
function w3tc_cdn_purge_files($files) {
$w3_cacheflush = w3_instance('W3_CacheFlush');
return $w3_cacheflush->cdn_purge_files($files);
}
/**
* Prints script tag for scripts group
*
* @param string $location
* @retun void
*/
function w3tc_minify_script_group($location) {
$w3_plugin_minify = w3_instance('W3_Plugin_Minify');
$w3_plugin_minify->printed_scripts[] = $location;
echo $w3_plugin_minify->get_script_group($location);
}
/**
* Prints style tag for styles group
*
* @param string $location
* @retun void
*/
function w3tc_minify_style_group($location) {
$w3_plugin_minify = w3_instance('W3_Plugin_Minify');
$w3_plugin_minify->printed_styles[] = $location;
echo $w3_plugin_minify->get_style_group($location);
}
/**
* Prints script tag for custom scripts
*
* @param string|array $files
* @param boolean $blocking
* @return void
*/
function w3tc_minify_script_custom($files, $blocking = true) {
$w3_plugin_minify = w3_instance('W3_Plugin_Minify');
echo $w3_plugin_minify->get_script_custom($files, $blocking);
}
/**
* Prints style tag for custom styles
*
* @param string|array $files
* @param boolean $import
* @return void
*/
function w3tc_minify_style_custom($files, $import = false) {
$w3_plugin_minify = w3_instance('W3_Plugin_Minify');
echo $w3_plugin_minify->get_style_custom($files, $import);
}
/**
* @param string $fragment_group
* @param boolean $global If group is for whole network in MS install
* @return mixed
*/
function w3tc_fragmentcache_flush_group($fragment_group, $global = false) {
$w3_fragmentcache = w3_instance('W3_CacheFlush');
return $w3_fragmentcache->fragmentcache_flush_group($fragment_group, $global);
}
/**
* Flush all fragment groups
* @return mixed
*/
function w3tc_fragmentcache_flush() {
$w3_fragmentcache = w3_instance('W3_CacheFlush');
return $w3_fragmentcache->fragmentcache_flush();
}
/**
* Register a fragment group and connected actions for current blog
* @param string $group
* @param array $actions on which actions group should be flushed
* @param integer $expiration in seconds
* @return mixed
*/
function w3tc_register_fragment_group($group, $actions, $expiration) {
if (!is_int($expiration)) {
$expiration = (int) $expiration;
trigger_error(__FUNCTION__ . ' needs expiration parameter to be an int.', E_USER_WARNING);
}
$w3_fragmentcache = w3_instance('W3_Pro_Plugin_FragmentCache');
return $w3_fragmentcache->register_group($group, $actions, $expiration);
}
/**
* Register a fragment group for whole network in MS install
* @param $group
* @param $actions
* @param integer $expiration in seconds
* @return mixed
*/
function w3tc_register_fragment_global_group($group, $actions, $expiration) {
if (!is_int($expiration)) {
$expiration = (int) $expiration;
trigger_error(__FUNCTION__ . ' needs expiration parameter to be an int.', E_USER_WARNING);
}
$w3_fragmentcache = w3_instance('W3_Pro_Plugin_FragmentCache');
return $w3_fragmentcache->register_global_group($group, $actions,
$expiration);
}
/**
* Starts caching output
*
* @param string $id the fragment id
* @param string $group the fragment group name.
* @param string $hook name of the action/filter hook to disable on fragment found
* @return bool returns true if cached fragment is echoed
*/
function w3tc_fragmentcache_start($id, $group = '', $hook = '') {
$fragment = w3tc_fragmentcache_get($id, $group);
if (false === $fragment) {
_w3tc_caching_fragment($id, $group);
ob_start();
} else {
echo $fragment;
if ($hook) {
global $wp_filter;
$wp_filter[$hook] = array();
}
return true;
}
return false;
}
/**
* Starts caching filter, returns if filter already cached.
*
* @param string $id the fragment id
* @param string $group the fragment group name.
* @param string $hook name of the action/filter hook to disable on fragment found
* @param mixed $data the data returned by the filter
* @return mixed
*/
function w3tc_fragmentcache_filter_start($id, $group = '', $hook = '', $data) {
_w3tc_caching_fragment($id, $group);
$fragment = w3tc_fragmentcache_get($id, $group);
if (false !== $fragment) {
if ($hook) {
global $wp_filter;
$wp_filter[$hook] = array();
}
return $fragment;
}
return $data;
}
/**
* Ends the caching of output. Stores it and outputs the content
*
* @param string $id the fragment id
* @param string $group the fragment group
* @param bool $debug
*/
function w3tc_fragmentcache_end($id, $group = '', $debug = false) {
if (w3tc_is_caching_fragment($id, $group)) {
$content = ob_get_contents();
if ($debug)
$content = sprintf("\r\n".'<!-- fragment start (%s%s)-->'."\r\n".'%s'."\r\n".'<!-- fragment end (%1$s%2$s) cached at %s by W3 Total Cache expires in %d seconds -->'."\r\n", $group, $id,$content, date_i18n('Y-m-d H:i:s'), 1000);
w3tc_fragmentcache_store($id, $group, $content);
ob_end_flush();
}
}
/**
* Ends the caching of filter. Stores it and returns the content
*
* @param string $id the fragment id
* @param string $group the fragment group
* @param mixed $data
* @return mixed
*/
function w3tc_fragmentcache_filter_end($id, $group = '', $data) {
if (w3tc_is_caching_fragment($id, $group)) {
w3tc_fragmentcache_store($id, $group, $data);
}
return $data;
}
/**
* Stores an fragment
*
* @param $id
* @param string $group
* @param string $content
*/
function w3tc_fragmentcache_store($id, $group = '', $content) {
set_transient("{$group}{$id}", $content,
1000 /* default expiration in a case its not catched by fc plugin */);
}
/**
* @param $id
* @param string $group
* @return object
*/
function w3tc_fragmentcache_get($id, $group = '') {
return get_transient("{$group}{$id}");
}
/**
* Flushes a fragment from the cache
* @param $id
* @param string $group
*/
function w3tc_fragmentcache_flush_fragment($id, $group = '') {
delete_transient("{$group}{$id}");
}
/**
* Checks wether page fragment caching is being done for the item
* @param string $id fragment id
* @param string $group which group fragment belongs too
* @return bool
*/
function w3tc_is_caching_fragment($id, $group = '') {
global $w3tc_caching_fragment;
return isset($w3tc_caching_fragment["{$group}{$id}"]) && $w3tc_caching_fragment["{$group}{$id}"];
}
/**
* Internal function, sets if page fragment by $id and $group is being cached
* @param string $id fragment id
* @param string $group which group fragment belongs too
*/
function _w3tc_caching_fragment($id, $group = '') {
global $w3tc_caching_fragment;
$w3tc_caching_fragment["{$group}{$id}"] = true;
}
/**
* @param string $extension
* @param string $setting
* @param null $config
* @param string $default
* @return null|array|bool|string|int returns null if key not set or provided default value
*/
function w3tc_get_extension_config($extension, $setting = '', $config = null, $default = '') {
/**
* @var W3_Config $config
*/
if (is_null($config))
$config = w3_instance('W3_Config');
$val = null;
$extensions = $config->get_array('extensions.settings');
if ($setting && isset($extensions[$extension][$setting])) {
$val = $extensions[$extension][$setting];
} elseif(empty($setting)) {
return $extensions[$extension];
} elseif (!empty($setting)) {
return $default;
}
return $val;
}
/**
* Shortcut for varnish flush
*
* @return boolean
*/
function w3tc_varnish_flush() {
$w3_pgcache = w3_instance('W3_CacheFlush');
return $w3_pgcache->varnish_flush();
}
/**
* Shortcut for post varnish flush
*
* @param integer $post_id
* @return boolean
*/
function w3tc_varnish_flush_post($post_id) {
$w3_cacheflush = w3_instance('W3_CacheFlush');
return $w3_cacheflush->varnish_flush_post($post_id);
}
/**
* Shortcut for url varnish flush
*
* @param string $url
* @return boolean
*/
function w3tc_varnish_flush_url($url) {
$w3_cacheflush = w3_instance('W3_CacheFlush');
return $w3_cacheflush->varnish_flush_url($url);
}
/**
* Shortcut for url varnish flush
*/
function w3tc_flush_all() {
/**
* @var $w3_cacheflush W3_CacheFlush
*/
$w3_cacheflush = w3_instance('W3_CacheFlush');
$w3_cacheflush->flush_all();
}
/**
* Deletes files.
*
* @param string $mask regular expression matching files to be deleted
* @param bool $http if delete request should be made over http to current site. Default false.
* @return mixed
*/
function w3tc_apc_delete_files_based_on_regex($mask, $http = false) {
if (!$http) {
$w3_cacheflush = w3_instance('W3_CacheFlush');
return $w3_cacheflush->apc_delete_files_based_on_regex($mask);
} else {
$url = WP_PLUGIN_URL . '/' . dirname(W3TC_FILE) . '/pub/apc.php';
$path = parse_url($url, PHP_URL_PATH);
$post = array(
'method' => 'POST',
'timeout' => 45,
'redirection' => 5,
'httpversion' => '1.0',
'blocking' => true,
'body' => array( 'nonce' => wp_hash($path), 'command' => 'delete_files', 'regex' => $mask),
);
$result = wp_remote_post($url, $post);
if (is_wp_error($result)) {
return $result;
} elseif ($result['response']['code'] != '200') {
return $result['response']['code'];
}
return true;
}
}
/**
* Reloads files.
* @param string[] $files list of files supports, fullpath, from root, wp-content
* @param bool $http if delete request should be made over http to current site. Default false.
* @return mixed
*/
function w3tc_apc_reload_files($files, $http = false) {
if (!$http) {
$w3_cacheflush = w3_instance('W3_CacheFlush');
return $w3_cacheflush->apc_reload_files($files);
} else {
$url = WP_PLUGIN_URL . '/' . dirname(W3TC_FILE) . '/pub/apc.php';
$path = parse_url($url, PHP_URL_PATH);
$post = array(
'method' => 'POST',
'timeout' => 45,
'redirection' => 5,
'httpversion' => '1.0',
'blocking' => true,
'body' => array( 'nonce' => wp_hash($path), 'command' => 'reload_files', 'files' => $files),
);
$result = wp_remote_post($url, $post);
if (is_wp_error($result)) {
return $result;
} elseif ($result['response']['code'] != '200') {
return $result['response']['code'];
}
return true;
}
}
/**
* Use w3tc_get_themes() to get a list themenames to use with user agent groups
* @param $group_name
* @param string $theme the themename default is default theme. For childtheme it should be parentthemename/childthemename
* @param string $redirect
* @param array $agents Remember to escape special characters like spaces, dots or dashes with a backslash. Regular expressions are also supported.
* @param bool $enabled
*/
function w3tc_save_user_agent_group($group_name, $theme = 'default', $redirect = '', $agents = array(), $enabled = false) {
/**
* @var $w3_mobile W3_Mobile
*/
$w3_mobile = w3_instance('W3_Mobile');
$w3_mobile->save_group($group_name, $theme, $redirect, $agents, $enabled);
}
/**
* @param $group
*/
function w3tc_delete_user_agent_group($group) {
/**
* @var $w3_mobile W3_Mobile
*/
$w3_mobile = w3_instance('W3_Mobile');
$w3_mobile->delete_group($group);
}
/**
* @param $group
* @return mixed
*/
function w3tc_get_user_agent_group($group) {
/**
* @var $w3_mobile W3_Mobile
*/
$w3_mobile = w3_instance('W3_Mobile');
return $w3_mobile->get_group_values($group);
}
/**
* Use w3tc_get_themes() to get a list themenames to use with referrer groups
* @param $group_name
* @param string $theme the themename default is default theme. For childtheme it should be parentthemename/childthemename
* @param string $redirect
* @param array $referrers Remember to escape special characters like spaces, dots or dashes with a backslash. Regular expressions are also supported.
* @param bool $enabled
*/
function w3tc_save_referrer_group($group_name, $theme = 'default', $redirect = '', $referrers = array(), $enabled = false) {
/**
* @var $w3_referrer W3_Referrer
*/
$w3_referrer = w3_instance('W3_Referrer');
$w3_referrer->save_group($group_name, $theme, $redirect, $referrers, $enabled);
}
/**
* @param $group
*/
function w3tc_delete_referrer_group($group) {
/**
* @var $w3_referrer W3_Referrer
*/
$w3_referrer = w3_instance('W3_Referrer');
$w3_referrer->delete_group($group);
}
/**
* @param $group
* @return mixed
*/
function w3tc_get_referrer_group($group) {
/**
* @var $w3_mobile W3_Referrer
*/
$w3_referrer = w3_instance('W3_Referrer');
return $w3_referrer->get_group_values($group);
}
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