: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
class WPML_Cache_Factory {
private $valid_caches = [
'TranslationManagement::get_translation_job_id' => [
'clear_actions' => [ 'wpml_tm_save_post', 'wpml_cache_clear' ],
'WPML_Element_Type_Translation::get_language_for_element' => [
'clear_actions' => [ 'wpml_translation_update' ],
'WPML_Post_Status::needs_update' => [
'clear_actions' => [ 'wpml_translation_status_update' ],
public function __construct() {
foreach ( $this->valid_caches as $cache_name => $clear_actions ) {
$this->init_clear_actions( $cache_name, $clear_actions['clear_actions'] );
* @param string $cache_name
* @throws InvalidArgumentException Exception.
public function get( $cache_name ) {
if ( isset( $this->valid_caches[ $cache_name ] ) ) {
return new WPML_WP_Cache( $cache_name );
throw new InvalidArgumentException( $cache_name . ' is not a valid cache for the WPML_Cache_Factory' );
* @param string $cache_name
* @param array $clear_actions
public function define( $cache_name, array $clear_actions ) {
if ( isset( $this->valid_caches[ $cache_name ] ) ) {
$this->valid_caches[ $cache_name ] = [
'clear_actions' => $clear_actions,
$this->init_clear_actions( $cache_name, $clear_actions );
private function init_clear_actions( $cache_name, array $clear_actions ) {
foreach ( $clear_actions as $clear_action ) {
function () use ( $cache_name ) {
$cache = new WPML_WP_Cache( $cache_name );
$cache->flush_group_cache();