- var_dump: documentation ( source)
<?php
$soapEnv = '<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
</soap:Envelope>';
var_dump($xml);
$obj = new SimpleXMLElement($soapEnv);
var_dump($obj);