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

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<?php
namespace W3TC;
class Extension_FragmentCache_Core {
private $_fragment_groups = array();
private $_actions = array();
/**
* Register transients group
*
* @param unknown $group
* @param unknown $actions
* @param unknown $expiration
*/
function register_group( $group, $actions, $expiration ) {
return $this->_register_group( $group, $actions, $expiration, false );
}
/**
* Register site-transients group
*
* @param string $group
* @param array $actions
* @param int $expiration
*/
function register_global_group( $group, $actions, $expiration ) {
return $this->_register_group( $group, $actions, $expiration, true );
}
private function _register_group( $group, $actions, $expiration, $global ) {
if ( empty( $group ) )
return;
if ( !is_int( $expiration ) ) {
$expiration = (int) $expiration;
trigger_error( __METHOD__ . ' needs expiration parameter to be an int.', E_USER_WARNING );
}
$this->_fragment_groups[$group] = array(
'actions' => $actions,
'expiration' => $expiration,
'global' => $global
);
foreach ( $actions as $action ) {
if ( !isset( $this->_actions[$action] ) )
$this->_actions[$action] = array();
$this->_actions[$action][] = $group;
}
}
/**
* Returns registered fragment groups, ie transients.
*
* @return array array('group' => array('action1','action2'))
*/
function get_registered_fragment_groups() {
return $this->_fragment_groups;
}
/**
* Returns registered actions and transient groups that should be purged per action
*
* @return array array('action' => array('group1', 'group2'))
*/
function get_registered_actions() {
return $this->_actions;
}
function cleanup() {
$c = Dispatcher::config();
$engine = $c->get_string( array( 'fragmentcache', 'engine' ) );
switch ( $engine ) {
case 'file':
$w3_cache_file_cleaner = new Cache_File_Cleaner( array(
'cache_dir' => Util_Environment::cache_blog_dir( 'fragment' ),
'clean_timelimit' => $c->get_integer( 'timelimit.cache_gc' )
) );
$w3_cache_file_cleaner->clean();
break;
}
}
}