date_object_new_period_ex 2462 ext/date/php_date.c 	return date_object_new_period_ex(class_type, NULL TSRMLS_CC);
date_object_new_period_ex 2469 ext/date/php_date.c 	zend_object_value new_ov = date_object_new_period_ex(old_obj->std.ce, &new_obj TSRMLS_CC);