protected function isRemoteRule($rule)
    {
        return in_array($rule, $this->serverRules) ||
            ! in_array($rule, $this->clientRules);
    }
protected function isRemoteRule($rule)
    {
        return in_array($rule, $this->serverRules) ||
            ! in_array($rule, $this->clientRules);
    }
protected function isRemoteRule ( $ rule ) { return in_array ( $ rule , $ this -> serverRules ) || ! in_array ( $ rule , $ this -> clientRules ) ; }
Check if rule must be validated in server-side.

@param $rule
@return bool
Check if rule must be validated in server - side .