Online PHP editor | output for VtGNc

<?php $xml = <<<XML <?xml version="1.0" encoding="utf-8"?> <createTransactionResponse xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <refId>123456</refId> <messages> <resultCode>Ok</resultCode> <message> <code>I00001</code> <text>Successful.</text> </message> </messages> <transactionResponse> <responseCode>1</responseCode> <authCode>UGELQC</authCode> <avsResultCode>E</avsResultCode> <cavvResultCode /> <transId>2148061808</transId> <refTransID /> <transHash>0B428D8A928AAC61121AF2F6EAC5FF3F</transHash> <testRequest>0</testRequest> <accountNumber>XXXX0015</accountNumber> <accountType>MasterCard</accountType> <message> <code>1</code> <description>This transaction has been approved.</description> </message> <userFields> <userField> <name>MerchantDefinedFieldName1</name> <value>MerchantDefinedFieldValue1</value> </userField> <userField> <name>favorite_color</name> <value>lavender</value> </userField> </userFields> </transactionResponse> </createTransactionResponse> XML; $dom = new DOMDocument(); $dom->loadXML($xml); $query = 'messages/message'; $xpath = new DOMXpath($dom); var_dump($xpath->query($query)->length);