From df8cd50a12722297e1f7ae6370af9f805910ceb2 Mon Sep 17 00:00:00 2001
From: Comsenz <10433182@qq.com>
Date: Fri, 28 Jul 2017 09:33:59 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20=E8=AF=AD=E6=B3=95?=
 =?UTF-8?q?=E4=B8=A5=E8=B0=A8=E6=80=A7?=
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---
 upload/source/function/function_upload.php | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/upload/source/function/function_upload.php b/upload/source/function/function_upload.php
index 5a5c584..c871875 100644
--- a/upload/source/function/function_upload.php
+++ b/upload/source/function/function_upload.php
@@ -37,11 +37,13 @@ function getuploadconfig($uid=0, $fid=0, $limit=true) {
 	loadcache('attachtype');
 	$fid = isset($_G['cache']['attachtype'][$fid]) ? $fid : 0;
 	$filter = array();
-	foreach($_G['cache']['attachtype'][$fid] as $extension => $maxsize) {
-		if($maxsize == 0) {
-			$notallow[] = $extension;
-		} else {
-			$filter[] = "'$extension':$maxsize";
+	if(is_array($_G['cache']['attachtype'][$fid])) {
+		foreach($_G['cache']['attachtype'][$fid] as $extension => $maxsize) {
+			if($maxsize == 0) {
+				$notallow[] = $extension;
+			} else {
+				$filter[] = "'$extension':$maxsize";
+			}
 		}
 	}
 	if(!empty($filter)) {