3v4l.org

run code in 500+ PHP versions simultaneously
<?php $doc = new DOMDocument("1.0"); $node = $doc->createElement("foo"); $newnode = $doc->appendChild($node); $newnode->setAttribute("bar", "baz"); var_dump($newnode->getAttribute('bar')); var_dump(method_exists($newnode, 'getAttribute')); var_dump(get_class($newnode));
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
string(3) "baz" bool(true) string(10) "DOMElement"
preferences:
101.97 ms | 1431 KiB | 4 Q