(PHP 4 >= 4.0.6)
ImageColorExactAlpha -- Get the index of the specified color + alpha
Description
int imagecolorexactalpha (resource im, 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().
Note: This function was added in PHP 4.0.6 and requires GD 2.0.1 or later
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