3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tri = [1, 1]; var_export($tri); for ($x = 0; $x <= 6; ++$x) { $trinew = [1]; $tri[] = 0; for($y = 0, $count = count($tri) - 1 ; $y < $count; ++$y) { $z = $y + 1; $trinew[] = $tri[$y] + $tri[$z]; } $tri = $trinew; var_export($tri); }
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 1, 1 => 1, )array ( 0 => 1, 1 => 2, 2 => 1, )array ( 0 => 1, 1 => 3, 2 => 3, 3 => 1, )array ( 0 => 1, 1 => 4, 2 => 6, 3 => 4, 4 => 1, )array ( 0 => 1, 1 => 5, 2 => 10, 3 => 10, 4 => 5, 5 => 1, )array ( 0 => 1, 1 => 6, 2 => 15, 3 => 20, 4 => 15, 5 => 6, 6 => 1, )array ( 0 => 1, 1 => 7, 2 => 21, 3 => 35, 4 => 35, 5 => 21, 6 => 7, 7 => 1, )array ( 0 => 1, 1 => 8, 2 => 28, 3 => 56, 4 => 70, 5 => 56, 6 => 28, 7 => 8, 8 => 1, )

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:
158.46 ms | 407 KiB | 5 Q