imagecolorclosest

Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Get the index of the closest color to the specified color
imagecolorclosest(¬†¬†¬†¬†GdImage $image,¬†¬†¬†¬†int $red,¬†¬†¬†¬†int $green,¬†¬†¬†¬†int $blue): int