3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $list = [ ['stamp' => time()], ['stamp' => time() - 10000], ['stamp' => time() + 10000], ['stamp' => time() + 5], ]; usort($list, function($a, $b) { return $a['stamp'] - $b['stamp']; }); var_dump($list);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(4) { [0]=> array(1) { ["stamp"]=> int(1389204777) } [1]=> array(1) { ["stamp"]=> int(1389214777) } [2]=> array(1) { ["stamp"]=> int(1389214782) } [3]=> array(1) { ["stamp"]=> int(1389224777) } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/cdhJs on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/cdhJs on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/cdhJs on line 3
Process exited with code 255.