3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'test'; header('Content-type: text/html; charset=utf8'); echo '<pre>'; var_dump(headers_sent()); echo '<pre>';
Output for git.master, git.master_jit, rfc.property-hooks
test Warning: Cannot modify header information - headers already sent by (output started at /in/oihcq:2) in /in/oihcq on line 3 <pre>bool(true) <pre>

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:
37.82 ms | 401 KiB | 8 Q