date_object_new_interval_ex 2391 ext/date/php_date.c return date_object_new_interval_ex(class_type, NULL TSRMLS_CC); date_object_new_interval_ex 2398 ext/date/php_date.c zend_object_value new_ov = date_object_new_interval_ex(old_obj->std.ce, &new_obj TSRMLS_CC);