void setbackground(int red,
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.
Sets the background color.
Why is there no rgba version? Think about it, you might want to let the HTML background show through. There's a way to do that, but it only works on IE4. Search the » http://www.macromedia.com/ site for details.
These parameters are integers between 0 and 255 or hexadecimals between
Value of red component
Value of green component
Value of blue component