Parse error: syntax error, unexpected variable "$xml_folder", expecting "function" in /var/www/__tophy/core/models/config.class.php on line 18

Fatal error: Uncaught Exception: Serialization of 'DOMElement' is not allowed, unless serialization methods are implemented in a subclass in [no active file]:0 Stack trace: #0 [internal function]: DOMNode->__sleep() #1 {main} thrown in [no active file] on line 0