3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "abc"; var_dump($a[0]); $a[1] = "d"; var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
string(1) "a" string(3) "adc"

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:
47.36 ms | 401 KiB | 8 Q