Fix return type of Collection::key()

doctrine · Apr 10, 2019 · 6aab75b · 6aab75b
1 parent fcf1b00
commit 6aab75b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/Doctrine/Common/Collections/Collection.php b/lib/Doctrine/Common/Collections/Collection.php
@@ -178,9 +178,9 @@ public function last();
     /**
      * Gets the key/index of the element at the current iterator position.
      *
-     * @return int|string
+     * @return int|string|null
      *
-     * @psalm-return TKey
+     * @psalm-return TKey|null
      */
     public function key();