note 107177 added to domdocument.savexml

Can anyone help me figure out why the following code doesnt work? //try to add new node $file = "users.xml"; $fp = fopen($file, "rb") or die("cannot open file"); $str = fread($fp, filesize($file)); $xml = new DOMDocument(); $xml->formatOutput = true; $xml->preserveWhiteSpace = false; $xml->loadXML($str) or die("Error"); // original echo "<xmp>OLD:\n". $xml->saveXML() ."</xmp>"; // get document element $root = $xml->documentElement; $fnode = $root->firstChild; //add a node $ori = $fnode->childNodes->item(2); $name = $xml->createElement("name"); $nameText = $xml->createTextNode("pumikit"); $name->appendChild($nameText); $email = $xml->createElement("email"); $emailText = $xml->createTextNode("p@gmail.com"); $email->appendChild($emailText); $psw = $xml->createElement("psw"); $pswText = $xml->createTextNode("R323n"); $psw->appendChild($pswText); $user = $xml->createElement("user"); $user->appendChild($name); $user->appendChild($email); $user->appendChild($psw); $fnode->insertBefore($user,$ori); echo "$root"; echo "<xmp>NEW:\n". $xml->saveXML() ."</xmp>"; ---- Server IP: 69.147.83.197 Probable Submitter: 79.176.26.148 ---- Manual Page -- http://www.php.net/manual/en/domdocument.savexml.php Edit -- https://master.php.net/note/edit/107177 Del: integrated -- https://master.php.net/note/delete/107177/integrated Del: useless -- https://master.php.net/note/delete/107177/useless Del: bad code -- https://master.php.net/note/delete/107177/bad+code Del: spam -- https://master.php.net/note/delete/107177/spam Del: non-english -- https://master.php.net/note/delete/107177/non-english Del: in docs -- https://master.php.net/note/delete/107177/in+docs Del: other reasons-- https://master.php.net/note/delete/107177 Reject -- https://master.php.net/note/reject/107177 Search -- https://master.php.net/manage/user-notes.php