From 017d2d68a0b202baac41f83bd1d661faba2651f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexander=20Nicolaysen=20S=C3=B8rnes?=
 <alex@thehandofagony.com>
Date: Sun, 6 Jul 2008 16:19:59 +0200
Subject: [PATCH] filter: Clear whitespace for input numbers

---
 include/filter.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/filter.php b/include/filter.php
index 439e4e3..4daf875 100644
--- a/include/filter.php
+++ b/include/filter.php
@@ -66,6 +66,8 @@ function filter_gpc()
                     $aClean[$aKeys[$i]] = $_REQUEST[$aKeys[$i]];
                 else if(empty($_REQUEST[$aKeys[$i]]))
                     $aClean[$aKeys[$i]] = 0;
+                else if(is_numeric(trim($_REQUEST[$aKeys[$i]]))) // try clearing whitespace
+                    $aClean[$aKeys[$i]] = trim($_REQUEST[$aKeys[$i]]);
                 else
                     return "Fatal error: ".$aKeys[$i]." should be a numeric value. ".
                            $sErrorSuggestion;