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<?php var_dump(date("Y-m-d",strtotime("first day previous month"))); var_dump(date('Y-m-d', strtotime(date('Y-m-01').' -1 MONTH')));
Output for git.master, git.master_jit, rfc.property-hooks
string(10) "2014-03-04" string(10) "2014-02-01"

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