protected function contains($token)
    {
        return stripos($this->whois, sprintf($token, $this->domain)) !== false;
    }
protected function contains($token)
    {
        return stripos($this->whois, sprintf($token, $this->domain)) !== false;
    }
protected function contains ( $ token ) { return stripos ( $ this -> whois , sprintf ( $ token , $ this -> domain ) ) !== false ; }
Checks if whois contains given token.

@param  string $token
@return bool
Checks if whois contains given token .