laipower/wp-content/plugins/w3-total-cache/Extension_FragmentCache_Plugin.php

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<?php
namespace W3TC;
/**
* W3 FragmentCache plugin
*/
class Extension_FragmentCache_Plugin {
private $_config = null;
private $_core = null;
function __construct() {
$this->_config = Dispatcher::config();
$this->_core = Dispatcher::component( 'Extension_FragmentCache_Core' );
}
/**
* Runs plugin
*/
function run() {
add_filter( 'w3tc_config_default_values', array(
$this, 'w3tc_config_default_values' ) );
$config = Dispatcher::config();
// remainder only when extension is frontend-active
if ( !$config->is_extension_active_frontend( 'fragmentcache' ) )
return;
add_action( 'init', array( $this, 'on_init' ), 9999999 );
add_filter( 'cron_schedules', array(
$this,
'cron_schedules'
) );
add_filter( 'w3tc_footer_comment', array(
$this,
'w3tc_footer_comment'
) );
if ( $this->_config->get_string( array( 'fragmentcache', 'engine' ) ) == 'file' ) {
add_action( 'w3_fragmentcache_cleanup', array(
$this,
'cleanup'
) );
}
add_action( 'switch_blog', array(
$this,
'switch_blog'
), 0, 2 );
$groups = $this->_config->get_array( array( 'fragmentcache', 'groups' ) );
foreach ( $groups as $group ) {
$split = explode( ',', $group );
$group = array_shift( $split );
$actions = $split;
$this->_core->register_group( $group, $actions,
$this->_config->get_integer( array( 'fragmentcache', 'lifetime' ) ) );
}
// handle transients by own cache
if ( Util_Environment::is_w3tc_pro( $this->_config ) ) {
$wp_cache = Dispatcher::component( 'ObjectCache_WpObjectCache' );
$fc_cache = Dispatcher::component( 'Extension_FragmentCache_WpObjectCache' );
$wp_cache->register_cache( $fc_cache, array(
'transient', 'site-transient' ) );
}
// flush operations
add_action( 'w3tc_flush_all',
array( $this, 'w3tc_flush_all' ),
300 );
add_action( 'w3tc_flush_fragmentcache', array(
$this, 'w3tc_flush_fragmentcache' ) );
add_action( 'w3tc_flush_fragmentcache_group', array(
$this, 'w3tc_flush_fragmentcache_group' ), 10, 2 );
// usage statistics handling
add_action( 'w3tc_usage_statistics_of_request', array(
$this, 'w3tc_usage_statistics_of_request' ), 10, 1 );
add_filter( 'w3tc_usage_statistics_metrics', array(
$this, 'w3tc_usage_statistics_metrics' ) );
}
public function w3tc_config_default_values( $default_values ) {
$default_values['fragmentcache'] = array(
'file.gc' => 3600,
'memcached.servers' => array( '127.0.0.1:11211' ),
'memcached.persistent' => true,
'redis.persistent' => true,
'redis.servers' => array( '127.0.0.1:6379' ),
'redis.verify_tls_certificates' => true,
'lifetime' => 180
);
return $default_values;
}
function w3tc_flush_all() {
$cache = Dispatcher::component( 'Extension_FragmentCache_WpObjectCache' );
$cache->flush();
}
function w3tc_flush_fragmentcache() {
$cache = Dispatcher::component( 'Extension_FragmentCache_WpObjectCache' );
$cache->flush();
}
/**
* Cleans fragment cache
*/
function w3tc_flush_fragmentcache_group( $group, $global = false ) {
$cache = Dispatcher::component( 'Extension_FragmentCache_WpObjectCache' );
$cache->flush_group( $group, $global );
}
/**
* Does disk cache cleanup
*
* @return void
*/
function cleanup() {
$this->_core->cleanup();
}
/**
* Cron schedules filter
*
* @param array $schedules
* @return array
*/
function cron_schedules( $schedules ) {
$gc_interval = $this->_config->get_integer( array( 'fragmentcache', 'file.gc' ) );
return array_merge( $schedules, array(
'w3_fragmentcache_cleanup' => array(
'interval' => $gc_interval,
'display' => sprintf( '[W3TC] Fragment Cache file GC (every %d seconds)', $gc_interval )
),
) );
}
/**
* Register actions on init
*/
function on_init() {
do_action( 'w3tc_register_fragment_groups' );
$actions = $this->_core->get_registered_actions();
foreach ( $actions as $action => $groups ) {
add_action( $action, array( $this, 'on_action' ), 0, 0 );
}
}
/**
* Flush action
*/
function on_action() {
$w3_fragmentcache = Dispatcher::component( 'Extension_FragmentCache_WpObjectCache' );
$actions = $this->_core->get_registered_actions();
$action = current_filter();
$groups = $actions[$action];
foreach ( $groups as $group ) {
$w3_fragmentcache->flush_group( $group );
}
}
/**
* Switch blog action
*/
function switch_blog( $blog_id, $previous_blog_id ) {
$o = Dispatcher::component( 'Extension_FragmentCache_WpObjectCache' );
$o->switch_blog( $blog_id );
}
public function w3tc_footer_comment( $strings ) {
$o = Dispatcher::component( 'Extension_FragmentCache_WpObjectCache' );
$strings = $o->w3tc_footer_comment( $strings );
return $strings;
}
public function w3tc_usage_statistics_of_request( $storage ) {
$o = Dispatcher::component( 'Extension_FragmentCache_WpObjectCache' );
$o->w3tc_usage_statistics_of_request( $storage );
}
public function w3tc_usage_statistics_metrics( $metrics ) {
return array_merge( $metrics, array(
'fragmentcache_calls_total', 'fragmentcache_calls_hits' ) );
}
}
$p = new Extension_FragmentCache_Plugin();
$p->run();
if ( is_admin() ) {
$p = new Extension_FragmentCache_Plugin_Admin();
$p->run();
}
include W3TC_DIR . '/Extension_FragmentCache_Api.php';