trueskill/src/RatingContainer.php

<?php namespace Moserware\Skills;

class RatingContainer
{
    private $_playerToRating;

    public function __construct()
    {
        $this->_playerToRating = new HashMap();
    }

    public function &getRating(Player &$player)
    {
        $rating = &$this->_playerToRating->getValue($player);
        return $rating;
    }

    public function setRating(Player &$player, Rating $rating)
    {
        return $this->_playerToRating->setValue($player, $rating);
    }

    public function &getAllPlayers()
    {
        $allPlayers = &$this->_playerToRating->getAllKeys();
        return $allPlayers;
    }

    public function &getAllRatings()
    {
        $allRatings = &$this->_playerToRating->getAllValues();
        return $allRatings;
    }

    public function count()
    {
        return $this->_playerToRating->count();
    }
}