$ cd swoole             # 进入 swoole 目录
$ phpize
$ ./configure --with-php-config=/usr/local/php/bin/php-config  #注意查看服务器上是否有这个路径
$ make && make install

vi /usr/local/php/lib/php.ini

extension = "/usr/local/php/lib/php/extensions/no-debug-non-zts-20160303/swoole.so" //版本不同路径可能不同

$ /etc/init.d/php-fpm restart

$ php -m

<"127.0.0.1", 9502);
$serv->set(array('task_worker_num' => 4));
$serv->on('Receive', function($serv, $fd, $from_id, $data) {
  $task_id = $serv->task("Async");
  echo "Dispath AsyncTask: id=$task_id\n";
});
$serv->on('Task', function ($serv, $task_id, $from_id, $data) {
  echo "New AsyncTask[id=$task_id]".PHP_EOL;
  $serv->finish("$data -> OK");
});
$serv->on('Finish', function ($serv, $task_id, $data) {
  echo "AsyncTask[$task_id] Finish: $data".PHP_EOL;
}); 
$serv->start();

php server.php

<"connect", function(swoole_client $cli) {
  $cli->send("GET / HTTP/1.1\r\n\r\n");
});
$client->on("receive", function(swoole_client $cli, $data){
  echo "Receive: $data";
  $cli->send(str_repeat('A', 100)."\n");
  sleep(1);
});
$client->on("error", function(swoole_client $cli){
  echo "error\n";
});
$client->on("close", function(swoole_client $cli){
  echo "Connection close\n";
});
$client->connect('127.0.0.1', 9502);

php client.php