public function authorizationEndpoint() {
		$endpoint = $this->getset('authorization_endpoint', func_get_args());
		return $this->validateEndpoint($endpoint ?: self::URI_AUTHORIZE);
	}
public function authorizationEndpoint() {
		$endpoint = $this->getset('authorization_endpoint', func_get_args());
		return $this->validateEndpoint($endpoint ?: self::URI_AUTHORIZE);
	}
public function authorizationEndpoint ( ) { $ endpoint = $ this -> getset ( 'authorization_endpoint' , func_get_args ( ) ) ; return $ this -> validateEndpoint ( $ endpoint ? : self :: URI_AUTHORIZE ) ; }
Get and optionally set the authorization endpoint.

@param string $authorization_endpoint (optional)
@return string
Get and optionally set the authorization endpoint .