Add a regression test for bug #69168

This additionally tests for modifications of nodes.

Co-authored-by: juha.ikavalko@agentit.fi

Author: nielsdos

ext/xsl/tests/bug69168.phpt

@@ -0,0 +1,43 @@
+--TEST--
+bug #69168 (DomNode::getNodePath() returns invalid path)
+--EXTENSIONS--
+xsl
+--FILE--
+<?php
+$xml = <<<EOB
+<allusers><user><uid>bob</uid></user><user><uid>joe</uid></user></allusers>
+EOB;
+$xsl = <<<EOB
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:php="http://php.net/xsl">
+ <xsl:template match="allusers">
+    <xsl:for-each select="user">
+      <xsl:value-of select="php:function('getPath',uid)"/><br />
+    </xsl:for-each>
+ </xsl:template>
+</xsl:stylesheet>
+EOB;
+
+function getPath($input){
+  $input[0]->nodeValue .= 'a';
+  return $input[0]->getNodePath() . ' = ' . $input[0]->nodeValue;
+}
+
+$proc = new XSLTProcessor();
+$proc->registerPHPFunctions();
+$xslDoc = new DOMDocument();
+$xslDoc->loadXML($xsl);
+@$proc->importStyleSheet($xslDoc);
+$xmlDoc = new DOMDocument();
+$xmlDoc->loadXML($xml);
+echo @$proc->transformToXML($xmlDoc);
+
+// Tests modification of the nodes
+var_dump($xmlDoc->firstChild->firstChild->firstChild->getNodePath());
+var_dump($xmlDoc->firstChild->firstChild->firstChild->nodeValue);
+?>
+--EXPECT--
+<?xml version="1.0"?>
+/allusers/user[1]/uid = boba<br/>/allusers/user[2]/uid = joea<br/>
+string(21) "/allusers/user[1]/uid"
+string(4) "boba"