ドットインストール - 3分動画でマスターできるプログラミング学習サービス

Controller.php

<?php
namespace MyApp;

class Controller
{
    private $_errors;
    private $_values;

    public function __construct()
    {
        if (!isset($_SESSION['token'])) {
            $_SESSION['token'] = bin2hex(openssl_random_pseudo_bytes(16));
        }
        $this->_errors = new \stdClass();
        $this->_values = new \stdClass();
    }

    protected function setValues($key, $value) {
        $this->_values->$key = $value;
    }

    public function getValues() {
        return $this->_values;
    }

    protected function setErrors($key, $error) {
        $this->_errors->$key = $error;
    }

    public function getErrors($key) {
        return isset($this->_errors->$key) ? $this->_errors->$key : '';
    }

    protected function hasError() {
        return !empty(get_object_vars($this->_errors));
    }

    protected function isLoggedIn() {
        // $_SESSION['ME']
        return isset($_SESSION['me']) && !empty($_SESSION['me']);
    }
}