<?php $d1 = "00:08:27"; $d2 = "00:01:32"; echo date('H:i:s',strtotime($d1 + $d2)); //$date1 = new DateTime('00:08:27'); //$date2 = new DateTime('00:01:32'); //$diff = $date2->diff($date1); //print_r( $diff )
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