<form name="input" action="mcskin.php" method="get">

Username: <input type="text" id="user" name="user">

<input type="submit" value="Submit">

</form>

<?php

if ($_GET['user'])

{

    $user = $_GET['user'];

    

    if(trim($user) == ''

    {

        die('No username entered!';

    }

    

    $user = preg_replace('/\s+/', '', $user);



    header('Content-Type: image/png';

    $picture = '<img src="https://s3.amazonaws.com/MinecraftSkins/$user.png">';

    $getpicture = file_get_contents("$picture");

    echo $picture;

}

else

{

    die('No username entered!';

}

?>