/**
* Change the private $language_is_all property.
*
* @static
* @access public
* @param bool $is_all Whether we're on the "all" language option or not.
* @return null|void
*/
public static function set_language_is_all($is_all)
{
if (true === $is_all) {
self::$language_is_all = true;
return;
}
self::$language_is_all = false;
}
