Avoid strlen() if we know the length.

diff --git a/ext/date/php_date.c b/ext/date/php_date.c
index bb393bd84bf070ea5ddbd455dd0b85aecc73a8c2..795ec8b8e5f74793d2e649fbbf217d2873eb5b80 100644 (file)
--- a/ext/date/php_date.c
+++ b/ext/date/php_date.c
@@ -531,7 +531,7 @@ PHP_FUNCTION(date_timezone_set)
        if (DATEG(timezone)) {
                efree(DATEG(timezone));
        }
-       DATEG(timezone) = estrdup(zone);
+       DATEG(timezone) = estrndup(zone, zone_len);
        RETURN_TRUE;
 }