3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result1 = array_keys(['id' => 1]); // ['id'] $result2 = array_keys(['id' => 1], null); // [] $expected = ['id']; echo $expected === $result1 ? 1 : 0; // 1 true echo $expected === $result2 ? 1 : 0; // 0 false
Output for git.master, git.master_jit, rfc.property-hooks
10

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:
41.97 ms | 401 KiB | 8 Q