3v4l.org

run code in 500+ PHP versions simultaneously
<?php $html = <<<EOT <div> <p>Hello World</p> <!-- <table class="123456789132456789123456789123456789123456789"> <tr class=""> <!--<td></td>--> <!--<td></td>--> <td class="123456789123456789123456789123456789123456789">FooBar</td> </tr> </table> --> </div> EOT; do { $html = preg_replace("/<!--(?(?!<!--).)*-->/sU", '', $html, -1, $count); } while ($count); echo $html;
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
<div> <p>Hello World</p> </div>
preferences:
128.59 ms | 1752 KiB | 4 Q