3v4l.org

run code in 300+ PHP versions simultaneously
<?php $doc = new DOMDocument; $doc->loadHTML('<html><body id="x"><div id="y"></div></body></html>'); $body = $doc->getElementById('x'); $div = $doc->getElementById('y'); $body->removeChild($div); echo '1: ' . ( $doc->getElementById('y') ? $doc->saveHTML( $doc->getElementById('y') ) : 'null' ) .PHP_EOL; // <div id="y"> unset($div); echo '2: ' . ( $doc->getElementById('y') ? $doc->saveHTML( $doc->getElementById('y') ) : 'null' ) .PHP_EOL; // null
Output for 8.1.21 - 8.1.33, 8.2.8 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
1: null 2: null
Output for 7.1.0 - 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
1: <div id="y"></div> 2: null
preferences:
135.14 ms | 408 KiB | 5 Q