l207/knop.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
$age = $_POST['age'];
$class= $_POST['class'] ;
$contr = contributie($age, $class);
echo "De contributie is $contr";
function contributie($leeftijd, $klasse){
$c = 200 + $leeftijd * 2 - $klasse * 3;
return $c;
}
echo "<form method='get' action=''>
<div>leeftijd: <input type='text' name='age'></div>
<div>klas: <input type='text' name='class'></div>
<p><input type='submit' value='Verzenden'></p>";
?>
</body>
</html>
Resultaat
Made by Thijs Aarnoudse