common/components/Validator.php

<?php
namespace common\components;


class Validator {
    private $store;

    public function __construct(UserStore $store){
        $this->store = $store;
    }

    public function validateUser($email, $pass){
        if(!is_array($user = $this->store->getUser($email))){
            return false;
        }

        if($user['pass'] == $pass){
            return true;
        }

        $this->store->notifyPasswordFailure($email);

        return false;
    }


}