Initialize empty array for $values

laravel · Sep 20, 2017 · 0c024f0 · 0c024f0
1 parent e80f333
commit 0c024f0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/Illuminate/Support/Collection.php b/src/Illuminate/Support/Collection.php
@@ -1340,6 +1340,7 @@ public function sort(callable $callback = null)
      */
     public function sortBy($callback, $options = SORT_REGULAR, $descending = false)
     {
+        $values = [];
         $results = [];
 
         $callback = $this->valueRetriever($callback);