vardump post

<html><head>
<title></title>
</head>
<body>
<form action='' method='post'>
<p>Username: <input type='text' name='username' value="" /></p>
<p>Password: <input type='password' name='password' value="" /></p>
<p>Media ID: <input type='text' name='mediaid' value="" /></p>
<p>Comment: <input type='text' name='comment' value="" /></p>

<p><input type='submit' value='Submit' name='submit' /></p>
</form>
</body>
</html>
<?php
error_reporting(0);
if(isset($_POST['submit'])){
    var_dump($_POST);
}