AlkantarClanX12
Current Path : /home/thanudqk/www/wp-content/plugins/w3-total-cache/ |
Current File : //home/thanudqk/www/wp-content/plugins/w3-total-cache/ObjectCache_WpObjectCache.php |
<?php /** * File: ObjectCache_WpObjectCache.php * * @package W3TC * * phpcs:disable PSR2.Classes.PropertyDeclaration.Underscore, PSR2.Methods.MethodDeclaration.Underscore */ namespace W3TC; /** * W3 Object Cache object */ class ObjectCache_WpObjectCache { /** * Config * * @var object|null */ private $_config = null; /** * Default cache * * @var object */ private $_default_cache; /** * Caches * * @var array */ private $_caches = array(); /** * Cache by group * * @var array */ private $_cache_by_group = array(); /** * Supported features * * @var array */ private $supported_features = array( 'flush_runtime', 'flush_group', 'add_multiple', 'set_multiple', 'get_multiple', 'delete_multiple', 'incr', 'decr', 'groups', 'global_groups', 'non_persistent', 'persistent', ); /** * PHP5 style constructor */ public function __construct() { $this->_config = Dispatcher::config(); $this->_default_cache = Dispatcher::component( 'ObjectCache_WpObjectCache_Regular' ); $this->_caches[] = $this->_default_cache; } /** * Registers cache object so that its used for specific groups of * object cache instead of default cache * * @param object $cache Cache. * @param array $use_for_object_groups Use for object groups. */ public function register_cache( $cache, $use_for_object_groups ) { $this->_caches[] = $cache; foreach ( $use_for_object_groups as $group ) { $this->_cache_by_group[ $group ] = $cache; } } /** * Get from the cache * * @param string $id ID. * @param string $group Group. * @param bool $force Force. * @param bool|null $found Found. * * @return mixed */ public function get( $id, $group = 'default', $force = false, &$found = null ) { $cache = $this->_get_engine( $group ); return $cache->get( $id, $group, $force, $found ); } /** * Retrieves multiple values from the cache in one call. * * @since 2.2.8 * * @param array $ids Array of keys under which the cache contents are stored. * @param string $group Optional. Where the cache contents are grouped. Default 'default'. * @param bool $force Optional. Whether to force an update of the local cache * from the persistent cache. Default false. * * @return array Array of return values, grouped by key. Each value is either * the cache contents on success, or false on failure. */ public function get_multiple( $ids, $group = 'default', $force = false ) { $cache = $this->_get_engine( $group ); return $cache->get_multiple( $ids, $group, $force ); } /** * Set to the cache * * @param string $id ID. * @param mixed $data Data. * @param string $group Group. * @param integer $expire Expire. * * @return boolean */ public function set( $id, $data, $group = 'default', $expire = 0 ) { $cache = $this->_get_engine( $group ); return $cache->set( $id, $data, $group, $expire ); } /** * Sets multiple values to the cache in one call. * * @since 2.2.8 * * @param array $data Array of key and value to be set. * @param string $group Optional. Where the cache contents are grouped. Default empty. * @param int $expire Optional. When to expire the cache contents, in seconds. * Default 0 (no expiration). * * @return bool[] Array of return values, grouped by key. Each value is always true. */ public function set_multiple( $data, $group = 'default', $expire = 0 ) { $cache = $this->_get_engine( $group ); return $cache->set_multiple( $data, $group, $expire ); } /** * Delete from the cache * * @param string $id ID. * @param string $group Group. * @param bool $force Force. * * @return boolean */ public function delete( $id, $group = 'default', $force = false ) { $cache = $this->_get_engine( $group ); return $cache->delete( $id, $group, $force ); } /** * Deletes multiple values from the cache in one call. * * @since 2.2.8 * * @param array $keys Array of keys to be deleted. * @param string $group Optional. Where the cache contents are grouped. Default empty. * * @return bool[] Array of return values, grouped by key. Each value is either * true on success, or false if the contents were not deleted. */ public function delete_multiple( $keys, $group = 'default' ) { $cache = $this->_get_engine( $group ); return $cache->delete_multiple( $keys, $group ); } /** * Add to the cache * * @param string $id ID. * @param mixed $data Data. * @param string $group Group. * @param integer $expire Expire. * * @return boolean */ public function add( $id, $data, $group = 'default', $expire = 0 ) { $cache = $this->_get_engine( $group ); return $cache->add( $id, $data, $group, $expire ); } /** * Adds multiple values to the cache in one call. * * @since 2.2.8 * * @param array $data Array of keys and values to be added. * @param string $group Optional. Where the cache contents are grouped. Default empty. * @param int $expire Optional. When to expire the cache contents, in seconds. * Default 0 (no expiration). * * @return bool[] Array of return values, grouped by key. Each value is either * true on success, or false if cache key and group already exist. */ public function add_multiple( array $data, $group = '', $expire = 0 ) { $cache = $this->_get_engine( $group ); return $cache->add_multiple( $data, $group, $expire ); } /** * Replace in the cache * * @param string $id ID. * @param mixed $data Data. * @param string $group Group. * @param integer $expire Expire. * * @return boolean */ public function replace( $id, $data, $group = 'default', $expire = 0 ) { $cache = $this->_get_engine( $group ); return $cache->replace( $id, $data, $group, $expire ); } /** * Reset keys * * @return boolean */ public function reset() { $result = true; foreach ( $this->_caches as $engine ) { $result = $result && $engine->reset(); } return $result; } /** * Flush cache * * @return boolean */ public function flush() { $result = true; foreach ( $this->_caches as $engine ) { $result = $result && $engine->flush(); } return $result; } /** * Flush group. * * @param string $group Group. * * @return boolean */ public function flush_group( $group ) { $result = true; foreach ( $this->_caches as $engine ) { $result = $result && $engine->flush_group( $group ); } return $result; } /** * Flush runtime. * * @return boolean */ public function flush_runtime() { $result = true; foreach ( $this->_caches as $engine ) { $result = $result && $engine->flush_runtime(); } return $result; } /** * Check supported features. * * @param string $feature Feature. * * @return boolean */ public function supports( string $feature ) { return in_array( $feature, $this->supported_features, true ); } /** * Add global groups * * @param array $groups Groups. * * @return void */ public function add_global_groups( $groups ) { if ( ! is_array( $groups ) ) { $groups = array( $groups ); } foreach ( $groups as $group ) { $cache = $this->_get_engine( $group ); $cache->add_global_groups( array( $group ) ); } } /** * Add non-persistent groups * * @param array $groups Groups. * * @return void */ public function add_nonpersistent_groups( $groups ) { if ( ! is_array( $groups ) ) { $groups = array( $groups ); } foreach ( $groups as $group ) { $cache = $this->_get_engine( $group ); $cache->add_nonpersistent_groups( array( $group ) ); } } /** * Return engine based on which group the OC value belongs to. * * @param string $group Group. * * @return mixed */ private function _get_engine( $group = '' ) { if ( isset( $this->_cache_by_group[ $group ] ) ) { return $this->_cache_by_group[ $group ]; } return $this->_default_cache; } /** * Decrement numeric cache item's value * * @param int|string $id The cache key to increment. * @param int $offset The amount by which to decrement the item's value. Default is 1. * @param string $group The group the key is in. * * @return bool|int False on failure, the item's new value on success. */ public function decr( $id, $offset = 1, $group = 'default' ) { $cache = $this->_get_engine( $group ); return $cache->decr( $id, $offset, $group ); } /** * Increment numeric cache item's value * * @param int|string $id The cache key to increment. * @param int $offset The amount by which to increment the item's value. Default is 1. * @param string $group The group the key is in. * * @return false|int False on failure, the item's new value on success. */ public function incr( $id, $offset = 1, $group = 'default' ) { $cache = $this->_get_engine( $group ); return $cache->incr( $id, $offset, $group ); } /** * Switch to blog * * @param int $blog_id Blog ID. * * @return void */ public function switch_to_blog( $blog_id ) { foreach ( $this->_caches as $cache ) { $cache->switch_blog( $blog_id ); } } }