class Model_User extends Zend_Db_Table_Abstract {
    /**
     * The default table name
     */
    protected $_name = 'users';


    public function createUser($email, $password, $url, $responsable, $role)
    {
    // create a new row
        $rowUser = $this->createRow();

        if($rowUser) {
            // update the row values
            $rowUser->email = $email;
            $rowUser->password = md5($password);
            $rowUser->url = $url;
            $rowUser->responsable = $responsable;
            $rowUser->role = $role;
            $rowUser->fecha = Zend_Date::now()->toString();
            //var_dump($rowUser->fecha); die;
            $rowUser->save();
            //return the new user
            return $rowUser;
        } else {
        throw new Zend_Exception("El usuario no se ha podido crear!");
        }
    }
}