Make sure the timezone is NULL, if change operation fails. Ex. memory_limit

diff --git a/ext/date/php_date.c b/ext/date/php_date.c
index ca80f07cad78c541db51ff8bef445ff0643575b1..03be35cc910faa47aa7af4c54e18b26429d81ff9 100644 (file)
--- a/ext/date/php_date.c
+++ b/ext/date/php_date.c
@@ -747,6 +747,7 @@ PHP_FUNCTION(date_timezone_set)
        }
        if (DATEG(timezone)) {
                efree(DATEG(timezone));
+               DATEG(timezone) = NULL;
        }
        DATEG(timezone) = estrndup(zone, zone_len);
        RETURN_TRUE;