(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)

ImageColorSet --  Set the color for the specified palette index


bool imagecolorset (int im, int index, int red, int green, int blue)

This sets the specified index in the palette to the specified color. This is useful for creating flood-fill-like effects in paletted images without the overhead of performing the actual flood-fill.

See also imagecolorat().