Method getAdminDescription

public function getAdminDescription($description)
{
    $description = strip_tags($description);
    if (StringHelper::strlen($description) < $this->display_admin_description || StringHelper::strlen($description) == $this->display_admin_description) {
        return $description;
    } else {
        return StringHelper::substr($description, 0, $this->display_admin_description) . ' ...';
    }
}