<!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 > 20; $i++){
$b = $a * $a;
echo"$a * $a = $b";
}
?>
</body>
</html>
Made by Thijs Aarnoudse