protected function modelGetCustomersList($strSearchString = '')
 {
     ini_set("soap.wsdl_cache_enabled", "0");
     $objClient = new soapclient($this->strApiUrl);
     if ($strSearchString != '') {
         $arrSOAPFilter[] = array('field' => 'company', 'operator' => 'like', 'value' => $strSearchString);
     }
     $arrSOAPSort = array('field' => 'company', 'direction' => 'asc');
     $customers = $objClient->getCustomers($this->strApiKey, $arrSOAPFilter, $arrSOAPSort, 999999, 0);
     if ($customers['status']->code == 0) {
         foreach ((array) $customers['result'] as $key => $value) {
             $arrSort[$value->id] = strtolower($value->companylabel);
             $arrReturnTmp[$value->id] = $value->companylabel;
         }
         if (is_array($arrSort)) {
             asort($arrSort);
         }
         foreach ((array) $arrSort as $key => $value) {
             $arrReturn[$key] = $arrReturnTmp[$key];
         }
         return $arrReturn;
     }
     $this->setError($customers['status']->message);
     return false;
 }