Same name in other branches

1. 8.x-1.x session_example/src/Controller/SessionExampleController.php \Drupal\session_example\Controller\SessionExampleController::showSession()
2. 4.0.x modules/session_example/src/Controller/SessionExampleController.php \Drupal\session_example\Controller\SessionExampleController::showSession()

Display the example session information.

By default, controller methods receive a Request object as a parameter, so we can use one here.

Parameters

\Symfony\Component\HttpFoundation\Request $request: The request object.

Return value

string A renderable array containing the user information from the session.

1 string reference to 'SessionExampleController::showSession'

session_example.routing.yml in modules/session_example/session_example.routing.yml

modules/session_example/session_example.routing.yml

File

modules/session_example/src/Controller/SessionExampleController.php, line 27

Class

SessionExampleController

Controller for a page to display the session information.

Namespace

Drupal\session_example\Controller

Code

public function showSession(Request $request) {
    // Get the session from the request object.
    $session = $request->getSession();
    // Make a table of the session information.
    $row = [];
    foreach ([
        'name',
        'email',
        'quest',
        'color',
    ] as $item) {
        $key = "session_example.{$item}";
        // Get the session value, with a default of 'No name' etc. for each type
        // of information we have.
        $row[0][$item] = $session->get($key, $this->t('No @type', [
            '@type' => $item,
        ]));
    }
    return [
        // Since this page will be cached, we have to manage the caching. We'll
        // use a cache tag and manage it within the session helper. We use the
        // session ID to guarantee a unique tag per session. The submission form
        // will manage invalidating this tag.
'#cache' => [
            'tags' => [
                'session_example:' . $session->getId(),
            ],
        ],
        'description' => [
            '#type' => 'item',
            '#title' => $this->t('Saved Session Keys'),
            '#markup' => $this->t('The example form lets you set some session keys.  This page lists their current values.'),
        ],
        'session_status' => [
            '#type' => 'table',
            '#header' => [
                $this->t('Name'),
                $this->t('Email'),
                $this->t('Quest'),
                $this->t('Color'),
            ],
            '#rows' => $row,
        ],
    ];
}