function WriteSafeSessionHandler::write

File

core/lib/Drupal/Core/Session/WriteSafeSessionHandler.php, line 83

Class

WriteSafeSessionHandler

Wraps the session handler to prevent writes when not necessary or allowed.

Namespace

Drupal\Core\Session

Code

public function write($session_id, $session_data) : bool {
    // Only write the session when it has been modified.
    if (isset($this->readSessions[$session_id]) && $this->readSessions[$session_id] === $session_data) {
        return TRUE;
    }
    if ($this->isSessionWritable()) {
        return $this->wrappedSessionHandler
            ->write($session_id, $session_data);
    }
    return TRUE;
}