<!DOCTYPE html>
<html>
<head>
<meta charset='utf8'/>
<title>POST example</title>
</head>
<body>
<?php
if( $_SERVER["REQUEST_METHOD"] === "POST" ) {
echo "<pre>";
var_dump($_POST);
echo "</pre>";
}?>
<form method="post">
<input name="mr" placeholder="flibble" autofocus/>
<input type="submit" value="Go!"/>
</form>
</body>
</html>