<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<?php
for ($i = 20; $i > 1; $i-=2) {
echo "<div>Het kwadraat van $i is " . ($i*$i) . '</div>';
}
?>
</body>
</html>
Made by Thijs Aarnoudse