set(array( 'open_length_check' => true, 'package_max_length' => 81920, 'package_length_type' => 'N', 'package_length_offset' => 9, 'package_body_offset' => 13, 'connect_timeout' => 1.0, 'write_timeout' => 60.0, 'read_timeout' => 60.0 )); if (!$client->connect($host, $port)) { echo "connect failed.\n"; return false; } @$client->send($pack); $pack = @$client->recv(); if ($pack === false) { echo $client->errCode . "\n"; return false; } else if (empty($pack)) { echo "close by peer.\n"; return false; } $ret = unpack('Ctype/Ntime/Nserid/Nlength/a*data', $pack); $client->close(); return $ret['data']; }); print_r($ret);