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<?php $arr = array('11-01-2012', '01-01-2014', '01-01-2015', '09-02-2013', '01-01-2013'); function date_sort($a, $b) { return strtotime($a) - strtotime($b); } usort($arr, "date_sort"); print_r($arr);
Output for git.master_jit, git.master, rfc.property-hooks
Array ( [0] => 11-01-2012 [1] => 01-01-2013 [2] => 09-02-2013 [3] => 01-01-2014 [4] => 01-01-2015 )

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