3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); for ($i = 0; $i < 100000; $i += 1) { $a[] = array("a" => "b"); } var_dump((memory_get_peak_usage(true) / 1024 / 1024) . "MB");
Output for git.master, git.master_jit, rfc.property-hooks
string(12) "4.00390625MB"

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:
45.19 ms | 401 KiB | 8 Q