Createn image using a color red as background in PHP

Description

The following code shows how to createn image using a color red as background.

Example

<?php/*from www .j  a  va2s  . com*/
    $img = imagecreate(200, 200);
    imagecolorallocate($img, 0xFF,0,0);

    header("Content-type: image/png");
    imagepng($img);
?>

The code above generates the following result.