Allow Node::setParent() to accept null values (fixes #203)

thephpleague · Nov 4, 2015 · a315691 · a315691
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -17,6 +17,7 @@ Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) princip
 ### Changed
  - `AbstractBlock::finalize()` now reqires a second parameter, `$endLineNumber`
  - `RegexHelper::REGEX_ENTITY` no longer includes the starting `/` or the ending `/i` (#194)
+ - `Node::setParent()` now accepts null values (#203)
 
 ### Fixed
  - Fixed incorrect `endLine` positions (#187)

diff --git a/src/Node/Node.php b/src/Node/Node.php
@@ -55,7 +55,10 @@ public function parent()
         return $this->parent;
     }
 
-    protected function setParent(Node $node)
+    /**
+     * @param Node|null $node
+     */
+    protected function setParent(Node $node = null)
     {
         $this->parent = $node;
     }