class LogicalAndToken

class LogicalAndToken implements TokenInterface {
    
    /**
     * @var list<TokenInterface>
     */
    private $tokens = array();
    
    /**
     * @param array<mixed> $arguments exact values or tokens
     */
    public function __construct(array $arguments) {
        foreach ($arguments as $argument) {
            if (!$argument instanceof TokenInterface) {
                $argument = new ExactValueToken($argument);
            }
            $this->tokens[] = $argument;
        }
    }
    
    /**
     * Scores maximum score from scores returned by tokens for this argument if all of them score.
     *
     * @param mixed $argument
     *
     * @return false|int
     */
    public function scoreArgument($argument) {
        if (0 === count($this->tokens)) {
            return false;
        }
        $maxScore = 0;
        foreach ($this->tokens as $token) {
            $score = $token->scoreArgument($argument);
            if (false === $score) {
                return false;
            }
            $maxScore = max($score, $maxScore);
        }
        return $maxScore;
    }
    
    /**
     * Returns false.
     *
     * @return boolean
     */
    public function isLast() {
        return false;
    }
    
    /**
     * Returns string representation for token.
     *
     * @return string
     */
    public function __toString() {
        return sprintf('bool(%s)', implode(' AND ', $this->tokens));
    }

}