B1.php

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <?php function tijd($d, $u, $m, $s){ $aantals = ($d*24*60*60) + ($u*60^60) + ($m*60) + $s; return $aantals; } echo tijd(1, 4, 50, 35); ?> </body> </html>

Resultaat

Made by Thijs Aarnoudse