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<?php $date = new DateTime(); $date = new DateTime('00:08:27'); $date->modify('+ 00:01:32'); echo $date->format('H:i:s'); $summ = strtotime("00:08:27") + strtotime("00:01:32"); echo $summ; echo "<br>"; echo gmdate("H:i:s", "3036607799"); echo "<br>"; echo gmdate("H:i:s", $summ);

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