setServer('192.168.0.20') // IP or hostname of RADIUS server ->setSecret('xyzzy5461') // RADIUS shared secret ->setNasIpAddress('127.0.0.1') // IP or hostname of NAS (device authenticating user) ->setNasPort(20); // NAS port $radius->setMSChapPassword('arctangent123$'); // set mschapv1 password for user // Send access request for user nemo $response = $radius->accessRequest('nemo'); if ($response === false) { // false returned on failure echo sprintf("Access-Request failed with error %d (%s).\n", $radius->getErrorCode(), $radius->getErrorMessage() ); } else { // access request was accepted - client authenticated successfully echo "Success! Received Access-Accept response from RADIUS server.\n"; }