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run code in 200+ php & hhvm versions
Bugs & Features
<?php $arr = array('11-01-2012'); function date_sort($a, $b) { return strtotime($a) - strtotime($b); } usort($arr, "date_sort"); print_r($arr);
based on RAYTX
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
Array ( [0] => 11-01-2012 )