child_class       285 Zend/zend_object_handlers.c static zend_always_inline zend_bool is_derived_class(zend_class_entry *child_class, zend_class_entry *parent_class) /* {{{ */
child_class       287 Zend/zend_object_handlers.c 	child_class = child_class->parent;
child_class       288 Zend/zend_object_handlers.c 	while (child_class) {
child_class       289 Zend/zend_object_handlers.c 		if (child_class == parent_class) {
child_class       292 Zend/zend_object_handlers.c 		child_class = child_class->parent;