old_rval          952 ext/standard/var.c 	zval *old_rval = return_value;
old_rval          972 ext/standard/var.c 	if (return_value != old_rval) {
old_rval          977 ext/standard/var.c 		zval_dtor(old_rval);
old_rval          978 ext/standard/var.c 		*old_rval = *return_value;
old_rval          979 ext/standard/var.c 		zval_copy_ctor(old_rval);