From c61886657eb4a3ec560941dec23640c85168b7a7 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Wed, 10 Apr 2013 14:52:34 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3Input=E7=B1=BB?=
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---
 Think/Input.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Think/Input.php b/Think/Input.php
index b4be8129..1a97423a 100644
--- a/Think/Input.php
+++ b/Think/Input.php
@@ -64,7 +64,7 @@ class Input {
             foreach($filters as $filter){
                 if(is_callable($filter)) {
                     $data   =   is_array($data)?array_map($filter,$data):$filter($data); // 参数过滤
-                }else{
+                }elseif(!empty($filter)){
                     $data   =   filter_var($data,is_int($filter)?$filter:filter_id($filter));
                     if(false === $data) {
                         return	 isset($args[2])?$args[2]:NULL;