public function change_string_lang_ajax_callback() { if (!$this->verify_ajax_call('wpml_change_string_language_nonce')) { die('verification failed'); } global $wpdb, $sitepress; $change_string_language_dialog = new WPML_Change_String_Language_Dialog($wpdb, $sitepress); $response = $change_string_language_dialog->change_language_of_strings($_POST['strings'], $_POST['language']); wp_send_json($response); }