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<?php $date = new DateTime(); $interval = new DateInterval('P1M'); $dates = array(); for($i = 1; $i < 5; $i++){ $date->sub($interval); $dates[$i]=$date->format('Y-m-d'); } var_dump($dates);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [1]=> string(10) "2014-02-10" [2]=> string(10) "2014-01-10" [3]=> string(10) "2013-12-10" [4]=> string(10) "2013-11-10" }

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