Fixed bug #53083 (DOMNode::removeChild() resets the namespaceURI value)

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@304621 c90b9560-bf6c-de11-be94-00142212c4b1

reference/dom/domnode/removechild.xml

@@ -97,6 +97,43 @@ echo $doc->saveXML();
     </screen>
    </example>
   </para>
+  <para>
+   <example>
+    <title>Preserving the parent node's namespace URI</title>
+    <programlisting role="php">
+<![CDATA[
+<?php
+
+$doc = new DOMDocument;
+$doc->load('book.xml');
+
+$book = $doc->documentElement;
+
+// we retrieve the chapter and remove it from the book
+$chapter = $book->getElementsByTagName('chapter')->item(0);
+
+// copy the namespace URI
+$nsuri = $book->namespaceURI;
+
+// Delete the child node
+$book->removeChild($chapter);
+
+// paste the namespace URI back into the parent node
+$book->namespaceURI = $nsuri;
+?>]]>
+    </programlisting>
+   </example>
+  </para>
+ </refsect1>
+ <refsect1 role="notes">
+  &reftitle.notes;
+  <note>
+   <para>
+    After calling this method, the <literal>DOMNode::$namespaceURI</literal> 
+    property on the parent node will be reset to &null;. Above example shows 
+    how to work around it.
+   </para>
+  </note>
  </refsect1>
  <refsect1 role="seealso">
   &reftitle.seealso;