<!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
echo tijdNaarSec(2, 40, 30);
function tijdNaarSec($uren, $minuten, $seconden){
return $uren * 3600 + $minuten * 60 + $seconden;
}
?>
</body>
</html>
Made by Thijs Aarnoudse