key = $key; $this->secret = $secret; } /** * Generates the basic string serialization of a token that a server * would respond to request_token and access_token calls with * * @return string */ public function __toString(): string { return sprintf( 'oauth_token=%s&oauth_token_secret=%s', Util::urlencodeRfc3986($this->key), Util::urlencodeRfc3986($this->secret) ); } }