Fix possible notice in SetTrait::equals()

snowio · Oct 30, 2017 · c7cf41a · c7cf41a
1 parent 94a89bf
commit c7cf41a
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/SetTrait.php b/src/SetTrait.php
@@ -91,8 +91,8 @@ public function equals($object): bool
         }
 
         foreach ($this->items as $key => $item) {
-            $otherItem = $object->items[$key];
-            if (!self::itemsAreEqual($item, $otherItem)) {
+            $otherItem = $object->items[$key] ?? null;
+            if ($otherItem === null || !self::itemsAreEqual($item, $otherItem)) {
                 return false;
             }
         }