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Savvy
W
olf -
MANAGER
Edit File: ObjectCache_WpObjectCache.php
<?php /** * File: ObjectCache_WpObjectCache.php * * @package W3TC * * phpcs:disable PSR2.Classes.PropertyDeclaration.Underscore * phpcs:disable 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', ); /** * Constructor for the ObjectCache_WpObjectCache class. * * @return void */ public function __construct() { $this->_config = Dispatcher::config(); $this->_default_cache = Dispatcher::component( 'ObjectCache_WpObjectCache_Regular' ); $this->_caches[] = $this->_default_cache; } /** * Registers a new cache engine to be used for object groups. * * @param object $cache The cache engine to register. * @param array $use_for_object_groups Array of object groups this cache should be used for. * * @return void */ 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; } } /** * Retrieves a cached value by its ID from the specified group. * * @param string $id The cache key. * @param string $group The cache group. * @param bool $force Whether to force a cache retrieval, bypassing the cache expiration. * @param mixed $found A reference to the variable that will store whether the value was found. * * @return mixed The cached value if found, otherwise false. */ public function get( $id, $group = 'default', $force = false, &$found = null ) { $cache = $this->_get_engine( $group ); return $cache->get( $id, $group, $force, $found ); } /** * Retrieves multiple cached values by their IDs from the specified group. * * @since 2.2.8 * * @param array $ids The cache keys. * @param string $group The cache group. * @param bool $force Whether to force a cache retrieval, bypassing the cache expiration. * * @return array An array of cached values, indexed by their respective IDs. */ public function get_multiple( $ids, $group = 'default', $force = false ) { $cache = $this->_get_engine( $group ); return $cache->get_multiple( $ids, $group, $force ); } /** * Sets a cache value for a given ID and group. * * @param string $id The cache key. * @param mixed $data The data to store in the cache. * @param string $group The cache group. * @param int $expire The cache expiration time in seconds. * * @return bool True if the data was successfully cached, otherwise false. */ public function set( $id, $data, $group = 'default', $expire = 0 ) { $cache = $this->_get_engine( $group ); return $cache->set( $id, $data, $group, $expire ); } /** * Sets multiple cache values for their respective IDs and groups. * * @since 2.2.8 * * @param array $data An array of data indexed by cache key. * @param string $group The cache group. * @param int $expire The cache expiration time in seconds. * * @return bool True if the data was successfully cached, otherwise false. */ public function set_multiple( $data, $group = 'default', $expire = 0 ) { $cache = $this->_get_engine( $group ); return $cache->set_multiple( $data, $group, $expire ); } /** * Deletes a cached value by its ID from the specified group. * * @param string $id The cache key. * @param string $group The cache group. * @param bool $force Whether to forcefully delete the cache. * * @return bool True if the cache was successfully deleted, otherwise false. */ public function delete( $id, $group = 'default', $force = false ) { $cache = $this->_get_engine( $group ); return $cache->delete( $id, $group, $force ); } /** * Deletes multiple cached values by their IDs from the specified group. * * @since 2.2.8 * * @param array $keys The cache keys. * @param string $group The cache group. * * @return bool True if the caches were successfully deleted, otherwise false. */ public function delete_multiple( $keys, $group = 'default' ) { $cache = $this->_get_engine( $group ); return $cache->delete_multiple( $keys, $group ); } /** * Adds a new value to the cache if it does not already exist for the given ID and group. * * @param string $id The cache key. * @param mixed $data The data to store in the cache. * @param string $group The cache group. * @param int $expire The cache expiration time in seconds. * * @return bool True if the data was added, otherwise false. */ public function add( $id, $data, $group = 'default', $expire = 0 ) { $cache = $this->_get_engine( $group ); return $cache->add( $id, $data, $group, $expire ); } /** * Adds multiple new values to the cache, ensuring they do not overwrite existing data. * * @since 2.2.8 * * @param array $data An array of data indexed by cache key. * @param string $group The cache group. * @param int $expire The cache expiration time in seconds. * * @return bool True if the data was successfully added, otherwise false. */ public function add_multiple( array $data, $group = '', $expire = 0 ) { $cache = $this->_get_engine( $group ); return $cache->add_multiple( $data, $group, $expire ); } /** * Replaces a cache value for the given ID and group. * * @param string $id The cache key. * @param mixed $data The data to store in the cache. * @param string $group The cache group. * @param int $expire The cache expiration time in seconds. * * @return bool True if the data was successfully replaced, otherwise false. */ public function replace( $id, $data, $group = 'default', $expire = 0 ) { $cache = $this->_get_engine( $group ); return $cache->replace( $id, $data, $group, $expire ); } /** * Resets the cache, clearing all stored data. * * @return bool True if the cache was successfully reset, otherwise false. */ public function reset() { $result = true; foreach ( $this->_caches as $engine ) { $result = $result && $engine->reset(); } return $result; } /** * Flushes all cached data across all cache engines. * * @return bool True if the cache was successfully flushed, otherwise false. */ public function flush() { $result = true; foreach ( $this->_caches as $engine ) { $result = $result && $engine->flush(); } return $result; } /** * Flushes the cached data for a specific group. * * @param string $group The cache group. * * @return bool True if the cache for the group was successfully flushed, otherwise false. */ public function flush_group( $group ) { $result = true; foreach ( $this->_caches as $engine ) { $result = $result && $engine->flush_group( $group ); } return $result; } /** * Flushes runtime cache data that is temporary and non-persistent. * * @return bool True if the runtime cache was successfully flushed, otherwise false. */ public function flush_runtime() { $result = true; foreach ( $this->_caches as $engine ) { $result = $result && $engine->flush_runtime(); } return $result; } /** * Checks if a given cache feature is supported. * * @param string $feature The feature to check. * * @return bool True if the feature is supported, otherwise false. */ public function supports( string $feature ) { return in_array( $feature, $this->supported_features, true ); } /** * Adds global cache groups to the cache engine. * * @param mixed $groups An array or string of cache groups to add as global. * * @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 ) ); } } /** * Adds non-persistent cache groups to the cache engine. * * @param mixed $groups An array or string of cache groups to add as non-persistent. * * @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 ) ); } } /** * Retrieves the appropriate cache engine based on the group. * * @param string $group The cache group. * * @return object The cache engine for the specified group. */ private function _get_engine( $group = '' ) { if ( isset( $this->_cache_by_group[ $group ] ) ) { return $this->_cache_by_group[ $group ]; } return $this->_default_cache; } /** * Decreases the cached value of a given ID by a specified offset. * * @param string $id The cache key. * @param int $offset The value to decrease by. * @param string $group The cache group. * * @return mixed The updated value if successful, otherwise false. */ public function decr( $id, $offset = 1, $group = 'default' ) { $cache = $this->_get_engine( $group ); return $cache->decr( $id, $offset, $group ); } /** * Increases the cached value of a given ID by a specified offset. * * @param string $id The cache key. * @param int $offset The value to increase by. * @param string $group The cache group. * * @return mixed The updated value if successful, otherwise false. */ public function incr( $id, $offset = 1, $group = 'default' ) { $cache = $this->_get_engine( $group ); return $cache->incr( $id, $offset, $group ); } /** * Switches to a different blog context in a multisite environment. * * @param int $blog_id The blog ID to switch to. * * @return void */ public function switch_to_blog( $blog_id ) { foreach ( $this->_caches as $cache ) { $cache->switch_blog( $blog_id ); } } }