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<?php $array = array ( 0 => '2014-06-01 12:45:02' ,1 => '2014-06-01 12:45:03' ,2 => '2014-06-01 12:48:52' ); $new_array = array_map(function($x){return date('Y-m-d', strtotime($x));}, $array); print_r(array_count_values($new_array));

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