one login across sub-apps. */ function platform_start_session(string $sessionName = 'ac_crash_sess', string $cookiePath = '/app/androidcast_project'): void { if (session_status() === PHP_SESSION_ACTIVE) { return; } session_name($sessionName); session_set_cookie_params([ 'lifetime' => 0, 'path' => $cookiePath, 'httponly' => true, 'samesite' => 'Lax', 'secure' => (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off'), ]); session_start(); }