3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($a) { $page1 = isset($a['page']) ? $a['page'] : 1; echo 'P1: ', $page1, "\n"; $page2 = $a['page'] ?? 1; echo 'P2: ', $page2, "\n"; $page3 = array_key_exists('page', $_GET) ? $_GET['page'] : 1; echo 'P3: ', $page3, "\n"; echo ($page1 === $page2) === $page3 ? 't' : 'n', "\n"; } $a = array('page' => 3); foo($a); $a = array(); foo($a); $a = array('page' => Null); foo($a); $a = array('page' => 0); foo($a); ?>
Output for git.master, git.master_jit, rfc.property-hooks
P1: 3 P2: 3 P3: 1 n P1: 1 P2: 1 P3: 1 n P1: 1 P2: 1 P3: 1 n P1: 0 P2: 0 P3: 1 n

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:
60.31 ms | 401 KiB | 8 Q