Merge branch 'fixes/php-warnings' into 3.x

Author: dleonov

src/Traits/ApiAncestryControllerTrait.php

@@ -20,7 +20,7 @@ trait ApiAncestryControllerTrait
     public function api()
     {
         // Make a copy of the parent class
-        $class = get_parent_class();
+        $class = get_parent_class($this);
         $parent = app($class);
 
         // Copy over the packaged properties

src/Traits/FilterableRepositoryTrait.php

@@ -37,6 +37,15 @@ trait FilterableRepositoryTrait
         'trashed' => false,
     ];
 
+    /**
+     * Filter properties
+     */
+    public $order;
+    public $sort;
+    public $max;
+    public $trashed;
+    public $status;
+
     /**
      * Relationships to load on resource.
      *