3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types = 1); class HelloWorld { /** @var int[][] */ public readonly array $a; public function doFoo(): void { unset($this->a[5]); } } $hw = new HelloWorld(); $hw->doFoo();
Output for git.master_jit, git.master

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:
24.39 ms | 405 KiB | 5 Q