Please help with a note

Hi there I posted a note to php.net yesterday - it was a real mission because apparently my IP is blocked by you guys so I ended up having to go into a server remotely and post from there. In all the hassle I managed to leave out the description of what the code does. It's the first note under http://www.php.net/manual/en/ref.image.php from jason@tectonic.co.za. I'd appreciate it if you could drop in a description above the code: A nifty function that replaces any single colour ($chromacolor) with a gradient. Great for making pretty graphs. Black to a colour is particularly attractive. Eg to replace grey with a gradient from black to green: $black = ImagecolorAllocate( $image, 0, 0, 0 ); $grey = ImagecolorAllocate( $image, 110, 110, 110 ); $green = imagecolorallocate($image, 153, 204, 0); chromagradient($image,$black,$green,$grey); Your help is greatly appreciated Kind regards Jason