SessionConfigurationInterface.php

<?php

namespace Drupal\Core\Session;

use Symfony\Component\HttpFoundation\Request;

/**
 * Defines an interface for session configuration generators.
 */
interface SessionConfigurationInterface {
    
    /**
     * Determines whether a session identifier is on the request.
     *
     * This method detects whether a session was started during one of the
     * previous requests from the same user agent. Session identifiers are
     * normally passed along using cookies and hence a typical implementation
     * checks whether the session cookie is on the request.
     *
     * @param \Symfony\Component\HttpFoundation\Request $request
     *   The request.
     *
     * @return bool
     *   TRUE if there is a session identifier on the request.
     */
    public function hasSession(Request $request);
    
    /**
     * Returns a list of options suitable for passing to the session storage.
     *
     * @see \Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage::__construct()
     *
     * @param \Symfony\Component\HttpFoundation\Request $request
     *   The request.
     *
     * @return array
     *   An associative array of session ini settings.
     */
    public function getOptions(Request $request);

}