Online PHP editor | refs for K3HmU

<?php date_default_timezone_set('Australia/Sydney'); // Initial datetimes $date1 = new DateTime('2012-03-22 11:29:16'); $date2 = new DateTime('2012-03-24 03:58:58'); // Set first datetime to midnight of next day $start = clone $date1; $start->modify('+1 day'); $start->modify('midnight'); // Set second datetime to midnight of that day $end = clone $date2; $end->modify('midnight'); // Count the number of full days between both dates $days = 0; // Loop through each day between two dates $interval = new DateInterval('P1D'); $period = new DatePeriod($start, $interval, $end); foreach ($period as $dt) { // If it is a weekend don't count it if (!in_array($dt->format('l'), array('Saturday', 'Sunday'))) { $days++; } } // Assume 8 hour workdays $hours = $days * 8; // Get the number of hours worked on the first day $date1->modify('5:30 PM'); $diff = $date1->diff($start); $hours += $diff->h; // Get the number of hours worked the second day $date1->modify('8 AM'); $diff = $date2->diff($end); $hours += $diff->h; echo $hours;