function getResult4($response) { $client = new swoole_redis(); $ip = "127.0.0.1"; $port = 6379; $client->connect($ip, $port, function (swoole_redis $client, $result) use($response) { if ($result === false) { echo "connect to redis server failed\n"; return false; } $client->GET('key', function (swoole_redis $client, $result) use($response) { //echo "get result is :" . $result; $response->header('Content-Type', 'application/json'); $response->end($result); }); }); }