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<?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 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.16, 7.0.18 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.22, 7.2.24 - 7.2.26, 7.3.0 - 7.3.9, 7.3.11 - 7.3.13, 7.4.0 - 7.4.1
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 7.0.17, 7.2.23, 7.3.10
array(4) { [0]=> array(1) { ["stamp"]=> int(1389204778) } [1]=> array(1) { ["stamp"]=> int(1389214778) } [2]=> array(1) { ["stamp"]=> int(1389214783) } [3]=> array(1) { ["stamp"]=> int(1389224778) } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 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 - 4.3.11, 4.4.0 - 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.

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