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ImageColorResolveAlpha

(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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