imagecolorresolve

(PHP 3>= 3.0.2, PHP 4 )

imagecolorresolve --  Get the index of the specified color or its closest possible alternative

Description

int imagecolorresolve ( resource image, int red, int green, int blue)

This function is guaranteed to return a color index for a requested color, either the exact color or the closest possible alternative.

See also imagecolorclosest().