3v4l.org

run code in 300+ PHP versions simultaneously
<?php $html = <<<HTML This is <h2>H2 nummer 1</h2> and this is This is <h2>H2 nummer 2</h2> This is <h2>H2 nummer 3</h2> HTML; function replace_text_wps($content) { return preg_replace_callback('#<h2>(.*?)</h2>#', function ($m) { static $h2Count = 0; return sprintf('<h2 id="%s">%s</h2>', ++$h2Count, $m[1]); }, $content); } echo replace_text_wps($html);
Output for git.master, git.master_jit, rfc.property-hooks
This is <h2 id="1">H2 nummer 1</h2> and this is This is <h2 id="2">H2 nummer 2</h2> This is <h2 id="3">H2 nummer 3</h2>

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
28.93 ms | 405 KiB | 5 Q