Create a Simple Image in PHP

Below is the function to manipulate a simple image in true color

this function will create a simple image set its header return image and free the memory by destroying it.

function createImage($imgw, $imgh)

{

// create a image

$image = imagecreatetruecolor($imgw, $imgh);

# Prints out all the figures and picture and frees memory

header('Content-type: image/png');

ImagePNG($image);

imagedestroy($image);

}