Руководство по PHP
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imagecolorexact

(PHP 3, PHP 4 )

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 the color does not exist in the image's palette, -1 is returned.

See also imagecolorclosest().

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imagecolordeallocateУровень вышеimagecolorexactalpha