gistfile1.php

function layout_get_layout(Request $request) {
  global $theme;
  if ($theme == 'bartik' && arg(0) != 'user') {
    $conf = array(
      'regions' => array(
        'content' => array(
          'plugin.core.block.bartik.main_content' => array(),
        ),
        'help' => array(
          'plugin.core.block.bartik.help_text' => array(),
        ),
        'sidebar_first' => array(
          'plugin.core.block.bartik.search_form' => array(),
          'plugin.core.block.bartik.user_login' => array(),
          'plugin.core.block.bartik.user_online' => array(),
          'plugin.core.block.bartik.custom_01' => array(),
        ),
        'sidebar_second' => array(
          'plugin.core.block.bartik.user_menu' => array(),
        ),
        'footer' => array(
          'plugin.core.block.bartik.powered_by' => array(),
        ),
      )
    );
    $conf['regions']['sidebar_first']['user_online_block'] = array(
      'subject' => t("Who else is online"),
      'seconds_online' => 450,
      'max_list_count' => 5,
    );
    return layout_manager()->createInstance('default_layout:bartik__bartik', $conf);
  }
}