<!DOCTYPE html>
<?php
/*
 * Copyright (C) 2021 Eichehome
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * Wrapper für eine Session
 * 
 * @author Eichehome
 */
class Session
{
    /**
     * Konstruktor (Startet eine Session)
     */
    public function __construct()
    {
        $this->start();
    }

    /**
     * Setzt einen Wert für einen Schlüssel im Session-Array. Falls kein Wert angegeben, wird der Wert gelöscht
     * @param string $key Schlüssel
     * @param string $value Wert
     * @return string
     */
    public function set(String $key, String $value = "")
    {
        return $_SESSION[$key] = $value;
    }

    /**
     * Gibt den Wert für einen Schlüssel im Session-Array zurück
     * @param string $key Schlüssel
     * @return string
     */
    public function get(String $key)
    {
        return $_SESSION[$key];
    }

    /**
     * Zerstört eine Session und ihre Werte
     */
    public function destroy()
    {
        session_destroy();
    }

    /**
     * Startet eine Session
     */
    public function start()
    {
        session_start();
    }
}