Online PHP editor | refs for ElHgI

<?php $quarters = array(15, 30, 45, 60); $diff = 15; foreach($quarters as $quarter){ $curMinutes = date('i'); $curMinutes = (strlen($curMinutes) == 2) ? (int) $curMinutes[1] : (int) $curMinutes; $curDiff = $quarter - date('i'); if($curDiff < $diff && $curDiff > 0){ $diff = $curDiff; } } $dt = new DateTime; $dt->add(new DateInterval('PT'.$diff.'M')); echo $dt->format('Y-m-d H:i:00');