File mvccore/src/MvcCore/Session/Closing.php

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<?php

/**
 * MvcCore
 *
 * This source file is subject to the BSD 3 License
 * For the full copyright and license information, please view
 * the LICENSE.md file that are distributed with this source code.
 *
 * @copyright   Copyright (c) 2016 Tom Flidr (https://github.com/mvccore)
 * @license  https://mvccore.github.io/docs/mvccore/5.0.0/LICENCE.md
 */

namespace MvcCore\Session;

trait Closing {

    /**
     * @inheritDocs
     * @return void
     */
    public static function Close () {
        if (!static::GetStarted()) return;
        register_shutdown_function(function () {
            foreach (static::$instances as & $instance)
                if (count((array) $_SESSION[$instance->__name]) === 0)
                    // if there is nothing in namespace - destroy it. It's useless.
                    $instance->Destroy();
            $metaKey = static::SESSION_METADATA_KEY;
            $_SESSION[$metaKey] = serialize(static::$meta);
            @session_write_close();
        });
    }

    /**
     * @inheritDocs
     * @return void
     */
    public static function SendCookie () {
        if (!static::GetStarted()) return;
        $maxExpiration = static::GetSessionMaxTime();
        $response = \MvcCore\Application::GetInstance()->GetResponse();
        if (!$response->IsSent()) {
            $params = (object) session_get_cookie_params();
            $response->SetCookie(
                session_name(),
                session_id(),
                ($maxExpiration > static::$sessionStartTime
                    ? (static::$sessionMaxTime - static::$sessionStartTime)
                    : (isset($params->lifetime) ? $params->lifetime : 0)),
                $params->path,
                $params->domain,
                $params->secure,
                TRUE
            );
        }
    }

    /**
     * @inheritDocs
     * @return int
     */
    public static function GetSessionMaxTime () {
        static::$sessionMaxTime = static::$sessionStartTime;
        if (static::$meta->expirations) {
            foreach (static::$meta->expirations as /*$sessionNamespaceName => */$expiration) {
                if ($expiration > static::$sessionMaxTime)
                    static::$sessionMaxTime = $expiration;
            }
        }
        return static::$sessionMaxTime;
    }
}

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