3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * @link http://stackoverflow.com/a/29864193/367456 */ $buffer = <<<XML <?xml version="1.0"?> <!DOCTYPE foo [ <!ELEMENT foo ANY > <!ENTITY xxe SYSTEM "data://text/plain,test" >]><foo>&xxe;</foo> XML; libxml_disable_entity_loader(false); $xml = simplexml_load_string($buffer); $xml->asXML('php://output'); $xml = simplexml_load_string($buffer, 'SimpleXMLElement', LIBXML_NOENT); $xml->asXML('php://output');

preferences:
36.4 ms | 402 KiB | 5 Q