/** * @param string $storage_type * @param array $storage_args * * @return null|WP_Storage_Base */ function make_storage($storage_type, $storage_args) { if ($storage_class = WP_Metadata::get_storage_type_class($storage_type)) { $storage = new $storage_class($this, $storage_args); } else { $storage = null; } return $storage; }