From d7d581c1d2e01430cbae65e28b99aee3fe7c1cf3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Votruba?= <tomas.vot@gmail.com>
Date: Tue, 28 Aug 2018 00:49:42 +0200
Subject: [PATCH] Remove NodeTraverser dependency on parent::__construct()
 (#528)

A parent::__construct() call is now optional when extending NodeTraverser.
---
 lib/PhpParser/NodeTraverser.php | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/lib/PhpParser/NodeTraverser.php b/lib/PhpParser/NodeTraverser.php
index fe3045a..f9ef079 100644
--- a/lib/PhpParser/NodeTraverser.php
+++ b/lib/PhpParser/NodeTraverser.php
@@ -31,16 +31,13 @@ class NodeTraverser implements NodeTraverserInterface
     const REMOVE_NODE = 3;
 
     /** @var NodeVisitor[] Visitors */
-    protected $visitors;
+    protected $visitors = [];
 
     /** @var bool Whether traversal should be stopped */
     protected $stopTraversal;
 
-    /**
-     * Constructs a node traverser.
-     */
     public function __construct() {
-        $this->visitors = [];
+        // for BC
     }
 
     /**