Merge pull request #253 from analogueorm/master

Support Laravel 5.6.5

src/System/Proxies/CollectionProxy.php

@@ -207,7 +207,19 @@ public function diffUsing($items, callable $callback)
 
         $parent = $this->toBaseCollection();
 
-        return $parent->diff($items, $callback);
+        return $parent->diffUsing($items, $callback);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function diffAssocUsing($items, callable $callback)
+    {
+        $this->initializeProxy();
+
+        $parent = $this->toBaseCollection();
+
+        return $parent->diffAssocUsing($items, $callback);
     }
 
     /**
@@ -222,6 +234,18 @@ public function diffKeys($items)
         return $parent->diffKeys($items);
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function diffKeysUsing($items, callable $callback)
+    {
+        $this->initializeProxy();
+
+        $parent = $this->toBaseCollection();
+
+        return $parent->diffKeysUsing($items);
+    }
+
     /**
      * {@inheritdoc}
      */