(PHP 4 >= 4.0.6)
ImageColorResolveAlpha -- Get the index of the specified color + alpha or its closest
possible alternative
Description
int imagecolorresolvealpha (resource im, int red, int green, int blue,
int alpha)
This function is guaranteed to return a color index for a requested color, either the
exact color or the closest possible alternative.
See also
imagecolorclosestalpha().
Note: This function was added in PHP 4.0.6 and requires GD 2.0.1
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