public function setAuthKey($key)
    {
        $authKeyAttribute = $this->authKeyAttribute;
        return (is_string($authKeyAttribute) && !empty($authKeyAttribute)) ? $this->$authKeyAttribute = $key : null;
    }
public function setAuthKey($key)
    {
        $authKeyAttribute = $this->authKeyAttribute;
        return (is_string($authKeyAttribute) && !empty($authKeyAttribute)) ? $this->$authKeyAttribute = $key : null;
    }
public function setAuthKey ( $ key ) { $ authKeyAttribute = $ this -> authKeyAttribute ; return ( is_string ( $ authKeyAttribute ) && ! empty ( $ authKeyAttribute ) ) ? $ this -> $ authKeyAttribute = $ key : null ; }
Set auth key.
@param string $key
@return string
Set auth key .