--TEST-- libxml_disable_entity_loader() --EXTENSIONS-- libxml dom --SKIPIF-- = 2.9.12 only'); --FILE-- ]> &xxe; EOT; $dir = str_replace('\\', '/', __DIR__); $xml = str_replace('XXE_URI', $dir . '/libxml_disable_entity_loader_payload.txt', $xml); function parseXML($xml) { $doc = new DOMDocument(); $doc->resolveExternals = true; $doc->substituteEntities = true; $doc->validateOnParse = false; $doc->loadXML($xml, 0); return $doc->saveXML(); } var_dump(strpos(parseXML($xml), 'SECRET_DATA') !== false); var_dump(libxml_disable_entity_loader(true)); var_dump(strpos(parseXML($xml), 'SECRET_DATA') === false); echo "Done\n"; ?> --EXPECTF-- bool(true) Deprecated: Function libxml_disable_entity_loader() is deprecated in %s on line %d bool(false) %s: DOMDocument::loadXML(): %Sfailed to load %s bool(true) Done