3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $i = 0; public function __toString() { echo "i => {$this->i}\n"; $this->i++; return "$this->i"; } } $a = new A; $b = ['100', $a]; var_dump(array_intersect($b, $b));
Output for git.master, git.master_jit, rfc.property-hooks
i => 0 i => 1 i => 2 i => 3 i => 4 i => 5 array(0) { }

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:
36.92 ms | 401 KiB | 8 Q