From 1cc2b141f954fb3fa8ff966746f965caca99722b Mon Sep 17 00:00:00 2001
From: thisgun <thisgun@naver.com>
Date: Fri, 3 Apr 2020 12:24:24 +0900
Subject: [PATCH] =?UTF-8?q?get=5Fgroup=20=ED=95=A8=EC=88=98=20=EC=8B=A4?=
 =?UTF-8?q?=ED=96=89=EC=8B=9C=20string=20=EC=9D=B8=EC=A7=80=20=EC=B2=B4?=
 =?UTF-8?q?=ED=81=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 common.php         | 2 +-
 lib/common.lib.php | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/common.php b/common.php
index ba97a952c..9da7690df 100644
--- a/common.php
+++ b/common.php
@@ -463,7 +463,7 @@ if ($bo_table) {
     }
 }
 
-if ($gr_id) {
+if ($gr_id && is_string($gr_id)) {
     $group = get_group($gr_id);
 }
 
diff --git a/lib/common.lib.php b/lib/common.lib.php
index 4cbaf89d1..aaa27f660 100644
--- a/lib/common.lib.php
+++ b/lib/common.lib.php
@@ -746,6 +746,10 @@ function get_next_num($table)
 function get_group($gr_id, $is_cache=false)
 {
     global $g5;
+    
+    if( is_array($gr_id) ){
+        return array();
+    }
 
     static $cache = array();