From e7daeb2563b3143b1798e7e0ec3ed1c8d031a18c Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Tue, 12 Jan 2016 10:50:20 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=20#182?=
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---
 library/think/Input.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/think/Input.php b/library/think/Input.php
index 45c57d40..56c0e5b5 100644
--- a/library/think/Input.php
+++ b/library/think/Input.php
@@ -270,7 +270,9 @@ class Input
     {
         $filters = ('' === $filters) ? static::$filter : $filters;
 
-        if (is_string($filters)) {
+        if (empty($filters)) {
+            $result = [];
+        } elseif (is_string($filters)) {
             $result = explode(',', $filters);
         } elseif (is_array($filters)) {
             $result = $filters;