imagecolorclosestalpha (PHP 4 >= 4.0.6) imagecolorclosestalpha -- Get the index of the closest color to the specified color + alpha Descriptionint imagecolorclosestalpha ( resource image, 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.
Anmerkung:
This function was added in PHP 4.0.6 and requires GD 2.0.1
See also imagecolorexactalpha().
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