3v4l.org

run code in 300+ PHP versions simultaneously
<?php $boo = 1; $_SESSION['boo']='$boo'; $boo = 2; echo 'boo = ', $boo, ' '; echo '$_SESSION[boo] = ', $$_SESSION['boo'];
Output for git.master, git.master_jit
boo = 2 $_SESSION[boo] = Warning: Array to string conversion in /in/jPhkK on line 6 Warning: Undefined variable $Array in /in/jPhkK on line 6 Warning: Trying to access array offset on value of type null in /in/jPhkK on line 6
Output for rfc.property-hooks
boo = 2 $_SESSION[boo] = Warning: Array to string conversion in /in/jPhkK on line 6 Warning: Undefined variable $Array in /in/jPhkK on line 6 Warning: Trying to access array offset on null in /in/jPhkK on line 6

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:
47.65 ms | 401 KiB | 8 Q