From: Joshua Rüsweg <josh@bastelstu.be>
Date: Sun, 1 Jul 2018 18:30:45 +0000 (+0200)
Subject: Fix possible invalid value for explode
X-Git-Tag: 5.2.0_Alpha_1~140^2~1
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9b61724f59b632f09b7358b2d6756b7068f03611;p=GitHub%2FWoltLab%2FWCF.git

Fix possible invalid value for explode
See #2534
---

diff --git a/wcfsetup/install/files/lib/data/user/group/UserGroup.class.php b/wcfsetup/install/files/lib/data/user/group/UserGroup.class.php
index 7ecc873fda..e572b25086 100644
--- a/wcfsetup/install/files/lib/data/user/group/UserGroup.class.php
+++ b/wcfsetup/install/files/lib/data/user/group/UserGroup.class.php
@@ -199,7 +199,7 @@ class UserGroup extends DatabaseObject implements ITitledObject {
 	 */
 	public static function isAccessibleGroup(array $groupIDs = []) {
 		if (self::$accessibleGroups === null) {
-			self::$accessibleGroups = explode(',', WCF::getSession()->getPermission('admin.user.accessibleGroups'));
+			self::$accessibleGroups = explode(',', WCF::getSession()->getPermission('admin.user.accessibleGroups') ?: '');
 		}
 		
 		if (empty($groupIDs)) return false;