IMP_Basic_Search::url PHP Method

    public static function url(array $opts = array())
    {
        return Horde::url('basic.php')->add('page', 'search')->setRaw(!empty($opts['full']));
    }

 /**
  */
 protected function _init()
 {
     global $injector, $notification;
     if (!$this->indices->mailbox->access_search) {
         $notification->push(_("Searching is not available."), 'horde.error');
         $this->indices->mailbox->url('mailbox')->redirect();
     }
     $imp_flags = $injector->getInstance('IMP_Flags');
     $imp_search = $injector->getInstance('IMP_Search');
     /* If search_basic is set, we are processing the search query. */
     if ($this->vars->search_basic) {
         $c_list = array();
         if ($this->vars->search_criteria_text) {
             switch ($this->vars->search_criteria) {
                 case 'from':
                 case 'subject':
                     $c_list[] = new IMP_Search_Element_Header($this->vars->search_criteria_text, $this->vars->search_criteria, $this->vars->search_criteria_not);
                     break;
                 case 'recip':
                     $c_list[] = new IMP_Search_Element_Recipient($this->vars->search_criteria_text, $this->vars->search_criteria_not);
                     break;
                 case 'body':
                 case 'text':
                     $c_list[] = new IMP_Search_Element_Text($this->vars->search_criteria_text, $this->vars->search_criteria == 'body', $this->vars->search_criteria_not);
                     break;
             }
         }
         if ($this->vars->search_criteria_flag) {
             $formdata = $imp_flags->parseFormId($this->vars->search_criteria_flag);
             $c_list[] = new IMP_Search_Element_Flag($formdata['flag'], $formdata['set'] && !$this->vars->search_criteria_flag_not);
         }
         if (empty($c_list)) {
             $notification->push(_("No search criteria specified."), 'horde.error');
         } else {
             /* Store the search in the session. */
             $q_ob = $imp_search->createQuery($c_list, array('id' => IMP_Search::BASIC_SEARCH, 'mboxes' => array($this->indices->mailbox), 'type' => IMP_Search::CREATE_QUERY));
             /* Redirect to the mailbox screen. */
             IMP_Mailbox::get($q_ob)->url('mailbox')->redirect();
         }
     }
     $flist = $imp_flags->getList(array('imap' => true, 'mailbox' => $this->indices->mailbox));
     $flag_set = array();
     foreach ($flist as $val) {
         $flag_set[] = array('val' => $val->form_set, 'label' => $val->label);
     }
     /* Prepare the search template. */
     $view = new Horde_View(array('templatePath' => IMP_TEMPLATES . '/basic/search'));
     $view->addHelper('FormTag');
     $view->addHelper('Tag');
     $view->action = self::url();
     $view->advsearch = Horde::link($this->indices->mailbox->url(IMP_Basic_Search::url()));
     $view->mbox = $this->indices->mailbox->form_to;
     $view->search_title = sprintf(_("Search %s"), $this->indices->mailbox->display_html);
     $view->flist = $flag_set;
     $this->title = _("Search");
     $this->output = $view->render('search-basic');
 }