3v4l.org

run code in 500+ PHP versions simultaneously
<?php $doc = new DOMDocument; $doc->loadHTML('<html><body id="x"></body></html>'); $body = $doc->getElementById('x'); $div = $doc->createElement('div'); $div->setAttribute('id', 'y'); echo ( $doc->getElementById('y') ? $doc->getElementById('y')->tagName : 'null' ) . PHP_EOL;
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.20, 8.2.0 - 8.2.7, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
div
Output for 8.1.21 - 8.1.34, 8.2.8 - 8.2.30, 8.3.0 - 8.3.30
null
preferences:
47.77 ms | 1478 KiB | 4 Q