imagecolorexact
(PHP 3, PHP 4 , PHP 5)
imagecolorexact -- Get the index of the specified color
Description
int
imagecolorexact ( resource image, int red, int green, int blue)
Returns the index of the specified color in the palette of the
image.
If the color does not exist in the image's palette, -1 is
returned.
See also imagecolorclosest().