image creation in php code example

Example: php create an image

<?php
header("Content-Type: image/png");//change the php file to an image
$im = @imagecreate(110, 20)
    or die("Cannot Initialize new GD image stream");//creates an image with the resolution x:110 y:20 
$background_color = imagecolorallocate($im, 0, 0, 0);//create an color with RGB
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5,  "A Simple Text String", $text_color);//draws text to the image with the font:1 xpos:5 ypos:5 
imagepng($im);//sends the image data to the user
imagedestroy($im);//destroys the image from the server
?>