(PHP 4 >= 4.0.6)

imagecolorexactalpha -- Get the index of the specified color + alpha


int imagecolorexactalpha ( resource image, int red, int green, int blue, int alpha)

Returns the index of the specified color+alpha in the palette of the image.

If the color does not exist in the image's palette, -1 is returned.

See also imagecolorclosestalpha().

Megjegyzés: This function was added in PHP 4.0.6 and requires GD 2.0.1 or later