<!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
for($i = 0; $i <= 40; $i+=2){
$k = $i * $i;
echo"<div>$i x $i = $k.</div>";
}
?>
</body>
</html>
Made by Thijs Aarnoudse