<?php
// An easy bit of code showing how you can use the ImageLine() function to create gradients
// Create An Image 255x255
$img = ImageCreateTrueColor(255, 255);
$plotD = 0;
while($plotD < 256)
{
// Draw a line and move it down and make it lighter to get the gradient effect
ImageLine($img, 0, $plotD , 255, $plotD, ImageColorAllocate($img, $plotD, $plotD, $plotD));
$plotD++;
}
Header("Content-type: image/png");
ImagePng($img);
ImageDestroy($img);
?>