3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = null; if( $n <= -1 && $n == 0) { echo is_null($n); } $n = false; var_dump( $n <= -1 && $n == 0);
Output for git.master, git.master_jit, rfc.property-hooks
1bool(true)

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:
58.85 ms | 401 KiB | 8 Q