fix

lib/collection/nullcollection.php

@@ -0,0 +1,63 @@
+<?php
+
+
+namespace Bx\Null\Collection;
+
+
+use Wt\Core\Collection\AEntityCollection;
+use Bx\Null\Entity\NullEntity;
+
+class NullCollection extends AEntityCollection
+{
+
+    /**
+     * @param $xmlId
+     * @return NullEntity
+     */
+    public function &getByXmlId($xmlId)
+    {
+        return parent::getByXmlId($xmlId);
+    }
+
+    /**
+     * @param $id
+     * @param null $default
+     * @return NullEntity|null
+     */
+    public function &get($id, $default = null)
+    {
+        return parent::get($id, $default); // TODO: Change the autogenerated stub
+    }
+
+    /**
+     * @return NullEntity
+     */
+    public function &first()
+    {
+        return parent::first(); // TODO: Change the autogenerated stub
+    }
+
+    /**
+     * @return NullEntity
+     */
+    public function &last()
+    {
+        return parent::last(); // TODO: Change the autogenerated stub
+    }
+
+    /**
+     * @return NullEntity
+     */
+    public function shift()
+    {
+        return parent::shift(); // TODO: Change the autogenerated stub
+    }
+
+    /**
+     * @return NullEntity
+     */
+    public function pop()
+    {
+        return parent::pop(); // TODO: Change the autogenerated stub
+    }
+}