Online PHP editor | output for 4V1U8

<?php /** * @param int $dayNum * @param array $daysArray */ function getNumberOfDays($dayNum, array $daysArray) { $dayNum ++; $size = count($daysArray); for ($x = 0; $x < $size; $x ++) { if ($daysArray[$x] == $dayNum && $x + 1 == $size) { $nextDay = $daysArray[0]; $totalDays = $dayOfWeek + $nextDay; return $totalDays % 7; } elseif ($daysArray[$x] == $dayNum) { return $daysArray[$x +1] - $dayNum; } elseif ($daysArray[$x] > $dayNum) { return $daysArray[$x] - $dayNum; } } } $dayOfWeek = date("w"); $array = array( 2,3,4,6 ); var_dump(date("w")); echo getNumberOfDays($dayOfWeek, $array);