Online PHP editor | refs for u5RkT

<?php $xml=<<<EOF <?xml version="1.0"?> <t2/> EOF; $xsd=<<<EOF <?xml version="1.0"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:include schemaLocation="undefined.xsd"/> <xs:element name="test"/> </xs:schema> EOF; libxml_set_external_entity_loader(function($p,$s,$c) { var_dump($p,$s,$c); die(); }); $dom=new DOMDocument($xml); var_dump($dom->schemaValidateSource($xsd));