3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xml = <<<'XML' <root xmlns:ns1="foo" xmlns:ns2="bar"/> XML; $dom = new DOMDocument(); $dom->loadXML($xml); $xpath = new DOMXPath($dom); $namespaces = $xpath->query('//namespace::*'); var_dump($namespaces instanceof DOMNodeList); foreach ($namespaces as $ns) { var_dump($ns instanceof DOMNode); }
Output for 5.6.0 - 5.6.29, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
bool(true) bool(false) bool(false) bool(false)

preferences:
200.87 ms | 404 KiB | 193 Q