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<?php $comp = '[{"date":"2014-10-04","day:"mon"},{"date":"2014-10-03","day":"tue"}]'; echo $comp; $arr1 = array('date' => '2015-10-04' , 'day' => 'wed'); print_R(json_decode($comp,true)); echo json_encode(array_push(json_decode($comp,true),$arr1));

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