--- a/feedback.php +++ b/feedback.php @@ -31,7 +31,7 @@ } else { $stopid = ""; $stopcode = ""; -$urlparts = explode("?",$_SERVER["HTTP_REFERER"]); +if (isset($_SERVER["HTTP_REFERER"])) $urlparts = explode("?",$_SERVER["HTTP_REFERER"]); if (isset($urlparts[1])) { $getparams = explode("&",$urlparts[1]); foreach ($getparams as $param) { @@ -60,7 +60,7 @@ </textarea> <textarea name="extrainfo" id="extrainfo"> <?php - echo "Referrer URL: ".$_SERVER["HTTP_REFERER"]; + echo "Referrer URL: ".($_SERVER["HTTP_REFERER"] ? $_SERVER["HTTP_REFERER"] : ""); echo "\nCurrent page URL: ".curPageURL(); echo "\nUser Agent: ".$_SERVER["HTTP_USER_AGENT"]; echo "\nUser host/IP: ".$_SERVER["HTTP_X_FORWARDED_FOR"]." ".$_SERVER["REMOTE_ADDR"];