erLhcoreClassModelDepartament::getCount PHP Method

    public static function getCount($params = array())
    {
        $session = erLhcoreClassDepartament::getSession();
        $q = $session->database->createSelectQuery();
        $q->select("COUNT(id)")->from("lh_departament");
        if (isset($params['filter']) && count($params['filter']) > 0) {
            $conditions = array();
            foreach ($params['filter'] as $field => $fieldValue) {
                $conditions[] = $q->expr->eq($field, $q->bindValue($fieldValue));
            }
            $q->where($conditions);
        }
        $stmt = $q->prepare();
        $stmt->execute();
        $result = $stmt->fetchColumn();
        return $result;
    }

 if ($form->hasValidData('operator') && erLhcoreClassModelUser::getUserCount(array('filter' => array('id' => $form->operator, 'disabled' => 0))) > 0) {
     $inputData->operator = $chat->user_id = $form->operator;
 }
 if ($form->hasValidData('user_timezone')) {
     $timezone_name = timezone_name_from_abbr(null, $form->user_timezone * 3600, true);
     if ($timezone_name !== false) {
         $chat->user_tz_identifier = $timezone_name;
     } else {
         $chat->user_tz_identifier = '';
     }
 }
 $chat->dep_id = $inputData->departament_id;
 // Assign default department
 if ($form->hasValidData('DepartamentID') && erLhcoreClassModelDepartament::getCount(array('filter' => array('id' => $form->DepartamentID, 'disabled' => 0))) > 0) {
     $inputData->departament_id = $chat->dep_id = $form->DepartamentID;
 } elseif ($chat->dep_id == 0 || erLhcoreClassModelDepartament::getCount(array('filter' => array('id' => $chat->dep_id, 'disabled' => 0))) == 0) {
     $departments = erLhcoreClassModelDepartament::getList(array('limit' => 1, 'filter' => array('disabled' => 0)));
     if (!empty($departments)) {
         $department = array_shift($departments);
         $chat->dep_id = $department->id;
     } else {
         $Errors[] = erTranslationClassLhTranslation::getInstance()->getTranslation('chat/startchat', 'Could not determine a default department!');
     }
 }
 if (count($Errors) == 0) {
     $chat->time = time();
     $chat->status = 0;
     $chat->setIP();
     $chat->hash = erLhcoreClassChat::generateHash();
     $chat->referrer = isset($_POST['URLRefer']) ? $_POST['URLRefer'] : '';
     $chat->session_referrer = isset($_POST['r']) ? $_POST['r'] : '';