IN_ISSET         1474 Zend/zend_object_handlers.c 		if (!((*guard) & IN_ISSET)) {
IN_ISSET         1480 Zend/zend_object_handlers.c 			(*guard) |= IN_ISSET; /* prevent circular getting */
IN_ISSET         1501 Zend/zend_object_handlers.c 			(*guard) &= ~IN_ISSET;