From de80757b425abdbc86c2f6837a5485c0e89878b8 Mon Sep 17 00:00:00 2001
From: Patrick Canterino <patrick@patshaping.de>
Date: Fri, 16 Dec 2011 14:30:03 +0000
Subject: [PATCH 1/1] Unnoetige regulaere Ausdruecke entfernt
 (String-Funktionen sind schneller)

---
 form-email/mailer.php | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/form-email/mailer.php b/form-email/mailer.php
index 3c1d3ce..5330f1c 100644
--- a/form-email/mailer.php
+++ b/form-email/mailer.php
@@ -7,7 +7,7 @@
 # geschrieben wurde.
 #
 # Autor:            Patrick Canterino <patrick@patshaping.de>
-# Letzte Aenderung: 15.12.2011
+# Letzte Aenderung: 16.12.2011
 #
 # Copyright (C) 2002-2011 Patrick Canterino
 #
@@ -348,14 +348,15 @@ if($captcha_enable) session_destroy();
 if($return_url) {
     # Per Redirect auf Seite umleiten
 
-    if(!preg_match('!://!',$return_url)) {
+    if(strpos($return_url,'://') === false) {
         # URL vervollstaendigen
 
         $http_host = ($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME'];
         $protocol  = '';
         $port      = '';
+        $path      = '';
 
-        if($_SERVER['HTTPS']) {
+        if(isset($_SERVER['HTTPS'])) {
             # SSL-verschluesseltes HTTP
 
             $protocol = 'https://';
@@ -368,13 +369,13 @@ if($return_url) {
             if($_SERVER['SERVER_PORT'] != 80) $port = ':'.$_SERVER['SERVER_PORT'];
         }
 
-        if(preg_match('!^/!',$return_url)) {
+        if(substr($return_url,0,1) == '/') {
             $return_url = $protocol.$http_host.$port.$return_url;
         }
         else {
-            if(preg_match('!/$!',$_SERVER['SCRIPT_NAME'])) $path = substr($_SERVER['SCRIPT_NAME'],0,-1);
+            if(substr($_SERVER['SCRIPT_NAME'],-1,1) == '/') $path = substr($_SERVER['SCRIPT_NAME'],0,-1);
             $path = substr($path,0,strrpos($path,'/')+1);
-            if(!preg_match('!^/!',$path)) $path = '/'.$path;
+            if(substr($path,0,1) != '/') $path = '/'.$path;
 
             $return_url = $protocol.$http_host.$port.$path.$return_url;
         }
-- 
2.34.1