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<?php $dates = array('2013-01-30', '2013-01-31', '2013-02-01', '2013-02-02', '2013-04-04', '2013-04-05', '2013-04-06'); print_r($dates);
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Array ( [0] => 2013-01-30 [1] => 2013-01-31 [2] => 2013-02-01 [3] => 2013-02-02 [4] => 2013-04-04 [5] => 2013-04-05 [6] => 2013-04-06 )