(PHP 4 >= 4.0.6)
ImageColorClosestAlpha -- Get the index of the closest color to the specified color +
alpha
Description
int imagecolorclosestalpha (resource im, int red, int green, int blue,
int alpha)
Returns the index of the color in the palette of the image which is "closest" to the
specified RGB value and alpha level.
See also
imagecolorexactalpha().
Note: This function was added in PHP 4.0.6 and requires GD 2.0.1
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