l105/H7/7.5.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 tijdtotaal ($uren, $minuten, $seconden){ return ($uren * 3600) + ($minuten * 60)+ $seconden; } ?> </body> </html>

Resultaat

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