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<?php $start = "10:00"; $period = "1:30"; $end = "00:30"; $date = date('Y-m-d'); $start_date = $date.' '.$start.':00'; $end_date = datetime('Y-m-d H:i:s', strtotime($start_date.' +1 day')); echo "Start: ".$start_date."\n"; echo "End: ".$end_date."\n";

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