3v4l.org

run code in 300+ PHP versions simultaneously
<?php $formval = "0"; if (isset($formval)) { echo "is set"; } $defined = null; var_dump(is_null($defined));
Output for git.master, git.master_jit, rfc.property-hooks
is setbool(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:
46.43 ms | 401 KiB | 8 Q