AlkantarClanX12
Your IP : 18.191.237.228
<?php
namespace W3TC;
/**
* W3 Cache flushing
*
* priorities are very important for actions here.
* if e.g. CDN is flushed before local page cache - CDN can cache again
* still not flushed pages from local page cache.
* 100 - db
* 200 - 999 local objects, like object cache
* 1000 - 1999 local files (minify, pagecache)
* 2000 - 2999 local reverse proxies varnish, nginx
* 3000 - external caches like cdn, cloudflare
*/
class CacheFlush_Locally {
/**
* Cleans db cache
*/
function dbcache_flush( $extras = array() ) {
if ( isset( $extras['only'] ) && $extras['only'] != 'dbcache' )
return;
do_action( 'w3tc_flush_dbcache' );
if ( !method_exists( $GLOBALS['wpdb'], 'flush_cache' ) )
return false;
return $GLOBALS['wpdb']->flush_cache( $extras );
}
/**
* Cleans object cache
*/
function objectcache_flush( $extras = array() ) {
if ( isset( $extras['only'] ) && $extras['only'] != 'objectcache' )
return;
do_action( 'w3tc_flush_objectcache' );
$objectcache = Dispatcher::component( 'ObjectCache_WpObjectCache_Regular' );
$v = $objectcache->flush();
do_action( 'w3tc_flush_after_objectcache' );
return $v;
}
/**
* Cleans fragment cache
*/
function fragmentcache_flush( $extras = array() ) {
if ( isset( $extras['only'] ) && $extras['only'] != 'fragment' )
return;
do_action( 'w3tc_flush_fragmentcache' );
do_action( 'w3tc_flush_after_fragmentcache' );
return true;
}
/**
* Cleans fragment cache
*/
function fragmentcache_flush_group( $group ) {
do_action( 'w3tc_flush_fragmentcache_group', $group );
do_action( 'w3tc_flush_after_fragmentcache_group', $group );
return true;
}
function minifycache_flush( $extras = array() ) {
if ( isset( $extras['only'] ) && $extras['only'] != 'minify' )
return;
do_action( 'w3tc_flush_minify' );
$minifycache = Dispatcher::component( 'Minify_MinifiedFileRequestHandler' );
$v = $minifycache->flush( $extras );
do_action( 'w3tc_flush_after_minify' );
return $v;
}
function minifycache_flush_all( $extras = array() ) {
$this->minifycache_flush( $extras );
}
/**
* Updates Query String
*/
function browsercache_flush( $extras = array() ) {
if ( isset( $extras['only'] ) && $extras['only'] != 'browsercache' )
return;
do_action( 'w3tc_flush_browsercache' );
update_option( 'w3tc_browsercache_flush_timestamp',
rand( 10000, 99999 ) . '' );
do_action( 'w3tc_flush_after_browsercache' );
}
/**
* Purge CDN mirror cache
*/
function cdn_purge_all( $extras = array() ) {
$do_flush = apply_filters( 'w3tc_preflush_cdn_all', true, $extras );
$v = false;
if ( $do_flush ) {
do_action( 'w3tc_cdn_purge_all' );
$cdn_core = Dispatcher::component( 'Cdn_Core' );
$cdn = $cdn_core->get_cdn();
$results = array();
$v = $cdn->purge_all( $results );
do_action( 'w3tc_cdn_purge_all_after' );
}
return $v;
}
/**
* Purges Files from Varnish (If enabled) and CDN
*
* @param array $purgefiles array consisting of CdnCommon file descriptors
* array(array('local_path'=>'', 'remote_path'=> ''))
* @return boolean
*/
function cdn_purge_files( $purgefiles ) {
do_action( 'w3tc_cdn_purge_files', $purgefiles );
$common = Dispatcher::component( 'Cdn_Core' );
$results = array();
$v = $common->purge( $purgefiles, $results );
do_action( 'w3tc_cdn_purge_files_after', $purgefiles );
return $v;
}
/**
* Flushes the system APC
*
* @return bool
*/
function opcache_flush() {
$o = Dispatcher::component( 'SystemOpCache_Core' );
return $o->flush();
}
/**
* Purges/Flushes post from page cache, varnish and cdn cache
*
* @param integer $post_id Post ID.
* @param boolean $force Force flag (optional).
* @param array $extras Extras.
*/
function flush_post( $post_id, $force = false, $extras = null ) {
$do_flush = apply_filters( 'w3tc_preflush_post', true, $extras );
if ( $do_flush )
do_action( 'w3tc_flush_post', $post_id, $force, $extras );
}
/**
* Purges/Flushes page contents - page cache, varnish and cdn cache
* When global changes affect whole content but not internal data structures
*/
function flush_posts( $extras = null ) {
$do_flush = apply_filters( 'w3tc_preflush_posts', true, $extras );
if ( $do_flush )
do_action( 'w3tc_flush_posts', $extras );
}
/**
* Flushes all enabled caches.
*/
function flush_all( $extras ) {
static $default_actions_added = false;
if ( !$default_actions_added ) {
$config = Dispatcher::config();
$opcache = Dispatcher::component( 'SystemOpCache_Core' );
if ( $opcache->is_enabled() )
add_action( 'w3tc_flush_all',
array( $this, 'opcache_flush' ),
50, 1 );
if ( $config->get_boolean( 'dbcache.enabled' ) )
add_action( 'w3tc_flush_all',
array( $this, 'dbcache_flush' ),
100, 2 );
if ( $config->getf_boolean( 'objectcache.enabled' ) )
add_action( 'w3tc_flush_all',
array( $this, 'objectcache_flush' ),
200, 1 );
if ( $config->get_boolean( 'minify.enabled' ) )
add_action( 'w3tc_flush_all',
array( $this, 'minifycache_flush_all' ),
1000, 1 );
$default_actions_added = true;
}
$do_flush = apply_filters( 'w3tc_preflush_all', true, $extras );
if ( $do_flush )
do_action( 'w3tc_flush_all', $extras );
}
function flush_group( $group, $extras ) {
$do_flush = apply_filters( 'w3tc_preflush_group', true, $group, $extras );
if ( $do_flush )
do_action( 'w3tc_flush_group', $group, $extras );
}
/**
* Purges/Flushes url from page cache, varnish and cdn cache
*/
function flush_url( $url, $extras = null ) {
$do_flush = apply_filters( 'w3tc_preflush_url', true, $extras );
if ( $do_flush )
do_action( 'w3tc_flush_url', $url, $extras );
}
/**
* Makes get request to url specific to post, ie permalinks
*
* @param unknown $post_id
* @return mixed
*/
function prime_post( $post_id ) {
$pgcache = Dispatcher::component( 'PgCache_Plugin_Admin' );
return $pgcache->prime_post( $post_id );
}
/**
* Called at the end of http request processing
* so that flushers can finish something they've decided to delay
*/
public function execute_delayed_operations() {
static $default_actions_added = false;
if ( !$default_actions_added ) {
$config = Dispatcher::config();
if ( $config->get_boolean( 'pgcache.enabled' ) )
add_filter( 'w3tc_flush_execute_delayed_operations',
array( $this, '_execute_delayed_operations_pgcache' ),
1100 );
if ( $config->get_boolean( 'varnish.enabled' ) )
add_filter( 'w3tc_flush_execute_delayed_operations',
array( $this, '_execute_delayed_operations_varnish' ),
2000 );
$default_actions_added = true;
}
// build response in a form 'module' => 'error message' (empty if no error)
$actions_made = array();
$actions_made = apply_filters( 'w3tc_flush_execute_delayed_operations',
$actions_made );
return $actions_made;
}
public function _execute_delayed_operations_pgcache( $actions_made ) {
$o = Dispatcher::component( 'PgCache_Flush' );
$count_flushed = $o->flush_post_cleanup();
if ( $count_flushed > 0 )
$actions_made[] = array( 'module' => 'pgcache' );
return $actions_made;
}
public function _execute_delayed_operations_varnish( $actions_made ) {
$o = Dispatcher::component( 'Varnish_Flush' );
$count_flushed = $o->flush_post_cleanup();
if ( $count_flushed > 0 )
$actions_made[] = array( 'module' => 'varnish' );
return $actions_made;
}
}