Session.php

<?php
/**
 * Project: armin - Filename: Session.php
 * Namespace: agellweiler\phpmvc
 * Initial version by: Armin Gellweiler, E-Mail: armin@gellweiler.net
 * Company: igus GmbH
 * Initial version created on: 28.01.22 18:27
 */

namespace agellweiler\phpmvc;
/**
 * Class Session
 * @package agellweiler\phpmvc
 * @author Armin Gellweiler <armin@gellweiler.net>
 */
class Session
{
    protected const FLASH_KEY = 'flash_messages';
    public function __construct()
    {
        session_start();
        $flashMessages = $_SESSION[self::FLASH_KEY] ?? [];
        foreach ($flashMessages as $key => &$flashMessage) {
            //Mark to be removed
            $flashMessage['remove'] = true;
        }
        $_SESSION[self::FLASH_KEY] = $flashMessages;

    }

    public function setFlash($key, $message)
    {
        $_SESSION[self::FLASH_KEY][$key] = [
          'remove' => false,
          'value'  => $message
        ];
    }

    public function getFlash($key)
    {
        return $_SESSION[self::FLASH_KEY][$key]['value'] ?? false;

    }

    public function set($key, $value)
    {
        $_SESSION[$key] = $value;
    }

    public function get($key)
    {
        return $_SESSION[$key] ?? false;
    }

    public function remove($key)
    {
        unset($_SESSION[$key]);
    }

    public function __destruct()
    {
        //Remove Marked to be removed
        $flashMessages = $_SESSION[self::FLASH_KEY] ?? [];
        foreach ($flashMessages as $key => &$flashMessage){
            if ($flashMessage['remove']) {
                unset($flashMessages[$key]);
            }
        }
        $_SESSION[self::FLASH_KEY] = $flashMessages;
    }
}