(PHP 4 >= 4.3.0)
SWFGradient->addEntry — Adds an entry to the gradient list
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.
swfgradient->addentry() adds an entry to the gradient list. ratio is a number between 0 and 1 indicating where in the gradient this color appears. Thou shalt add entries in order of increasing ratio.
red, green, blue is a color (RGB mode).
No value is returned.