<!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
$d = 1;
$u = 1;
$m = 1;
$s = 1;
$t = o($d, $u, $m, $s);
function o($d, $u, $m, $s){
$o = $d * 3600 * 24 + $u * 3600 + $m * 60 + $s;
return $o;
}
echo "Het totaal aantal secondes bij $d dagen, $u uren, $m minuten en $s seconde: $t sec.";
?>
</body>
</html>
Made by Thijs Aarnoudse