<?php namespace Moserware\Skills; /** * Represents a comparison between two players. * @internal The actual values for the enum were chosen so that the also correspond to the multiplier for updates to means. */ class PairwiseComparison { const WIN = 1; const DRAW = 0; const LOSE = -1; public static function getRankFromComparison($comparison) { switch ($comparison) { case PairwiseComparison::WIN: return array(1,2); case PairwiseComparison::LOSE: return array(2,1); default: return array(1,1); } } } ?>