Fix PHP warning undefined index

francoisjacquet · Apr 11, 2023 · aa40df6 · aa40df6
1 parent dda5ab4
commit aa40df6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/modules/Users/Search.inc.php b/modules/Users/Search.inc.php
@@ -293,7 +293,8 @@
 		{
 			$_SESSION['List_PHP_SELF'] = PreparePHP_SELF( $_SESSION['_REQUEST_vars'], [ 'bottom_back' ] );
 
-			if ( $_SESSION['Back_PHP_SELF'] != 'staff' )
+			if ( ! isset( $_SESSION['Back_PHP_SELF'] )
+				|| $_SESSION['Back_PHP_SELF'] !== 'staff' )
 			{
 				$_SESSION['Back_PHP_SELF'] = 'staff';
 				unset( $_SESSION['Search_PHP_SELF'] );