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imagecolorexact
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imagecolorexact

(PHP 3, PHP 4, PHP 5)

imagecolorexact -- Get the index of the specified color

Description

int imagecolorexact ( resource image, int red, int green, int blue )

Returns the index of the specified color in the palette of the image.

If you created the image from a file, only colors used in the image are resolved. Colors present only in the pallete are not resolved.

Parameters

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

red

Value of red component

green

Value of green component

blue

Value of blue component

Return Values

Returns the index of the specified color in the palette, or -1 if the color does not exist.

See Also

imagecolorclosest()

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