AlkantarClanX12
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<?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 );
}
}
}