Online PHP editor | output for t1ASr

<?php function calcDays($startdate, $enddate) { $first = $startdate < $enddate ? $startdate : $enddate; $second = $startdate < $enddate ? $enddate : $startdate; $inbetween = $second - $first; $i[0] = 60; $i[1] = 24; $i[2] = 7; $i[3] = date('t', strtotime('-1 month', $second)); $i[4] = date('L', strtotime('-1 year', $second); $month = floor($inbetween / $i[0] / $i[0] / $i[1] / $i[3] % $i[4]); $days = floor($inbetween / $i[0] / $i[0] / $i[1] % $i[3]); $hours = floor($inbetween / $i[0] / $i[0] % $i[1]); $minutes = floor($inbetween / $i[0] % $i[0]); $seconds = $inbetween % $i[0]; return $days . " " . $hours . " " . $minutes . " " . $seconds . " " . $inbetween; } echo calcDays(1388389166, 1419925156);