phorge-phorge/src/applications/project/controller/PhabricatorProjectController.php

<?php

abstract class PhabricatorProjectController extends PhabricatorController {

  public function buildSideNavView($for_app = false) {
    $user = $this->getRequest()->getUser();

    $nav = new AphrontSideNavFilterView();
    $nav->setBaseURI(new PhutilURI($this->getApplicationURI()));

    if ($for_app) {
      $nav->addFilter('create', pht('Create Project'));
    }

    id(new PhabricatorProjectSearchEngine())
      ->setViewer($user)
      ->addNavigationItems($nav->getMenu());

    $nav->selectFilter(null);

    return $nav;
  }

}