From 05cbf1c1464d993881c0ac547ecbe98e1d39a96f Mon Sep 17 00:00:00 2001
From: shuipf <admin@abc3210.com>
Date: Wed, 30 Mar 2016 13:30:22 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DFile=E7=BC=93=E5=AD=98?=
 =?UTF-8?q?=E6=96=B9=E5=BC=8F=E4=B8=8B=EF=BC=8Cclear=E6=8A=A5=E9=94=99?=
 =?UTF-8?q?=E8=AF=AF?=
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linux可能出现 . 或者 .. 特殊目录，在进行is_dir时，会报错
---
 library/think/cache/driver/File.php | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/library/think/cache/driver/File.php b/library/think/cache/driver/File.php
index fddd9df0..bf2fd1d7 100644
--- a/library/think/cache/driver/File.php
+++ b/library/think/cache/driver/File.php
@@ -186,18 +186,11 @@ class File
      */
     public function clear()
     {
-        $path = $this->options['path'];
-        if ($dir = opendir($path)) {
-            while ($file = readdir($dir)) {
-                $check = is_dir($file);
-                if (!$check) {
-                    $this->unlink($path . $file);
-                }
-
-            }
-            closedir($dir);
-            return true;
+        $fileLsit = (array)glob($this->options['path'].'*');
+        foreach ($fileLsit as $path) {
+            is_file($path) && unlink($path);
         }
+        return true;
     }
 
     /**