3v4l.org

run code in 500+ PHP versions simultaneously
<?php $doc = new DOMDocument; var_dump($doc->formatOutput); $doc->formatOutput = true; var_dump($doc->formatOutput);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
bool(false) bool(true)
preferences:
74.62 ms | 1416 KiB | 4 Q