diff options
| author | Adrian Lang <mail@adrianlang.de> | 2009-03-07 02:19:38 +0100 |
|---|---|---|
| committer | Adrian Lang <mail@adrianlang.de> | 2009-03-11 10:39:43 +0100 |
| commit | c0f44ca44d9530c3658d22c0b3ac311a60cbff6c (patch) | |
| tree | 933a6d4d792b97e1e3b4335e7a88180fb7c9292f | |
| parent | c0db74dcfbff431970ae1d829e776f466f1c4091 (diff) | |
Check if that $_SERVER param is set before accessing.
| -rw-r--r-- | lib/action.php | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/action.php b/lib/action.php index 812df635e..45ce56ac0 100644 --- a/lib/action.php +++ b/lib/action.php @@ -819,9 +819,8 @@ class Action extends HTMLOutputter // lawsuit } if ($lm) { header('Last-Modified: ' . date(DATE_RFC1123, $lm)); - $if_modified_since = $_SERVER['HTTP_IF_MODIFIED_SINCE']; - if ($if_modified_since) { - $ims = strtotime($if_modified_since); + if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) { + $ims = strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']); if ($lm <= $ims) { $if_none_match = $_SERVER['HTTP_IF_NONE_MATCH']; if (!$if_none_match || |