PHP/Graphics Image/imageellipse

Using the imageellipse() and imagearc() Functions

 
<?php
    define("WIDTH", 200);
    define("HEIGHT", 100);
    $img = imagecreate(WIDTH, HEIGHT);
    $bg = imagecolorallocate($img, 0xFF, 0xFF, 0xFF);
    $black = imagecolorallocate($img, 0, 0, 0);
    $red = imagecolorallocate($img, 0xFF, 0, 0);
    $center_x = (int)WIDTH/2;
    $center_y = (int)HEIGHT/2;
    imageellipse($img, $center_x, $center_y, WIDTH, HEIGHT, $black);
    imagearc($img, $center_x, $center_y, WIDTH-5, HEIGHT-5, 0, 360, $red);
    header("Content-Type: image/png");
    imagepng($img);
?>