1： 安装环境依赖：

2：下载swoole-4.4.3

wget http://pecl.php.net/get/swoole-4.4.3.tgz

download to current location: swoole-4.4.3.tgz

3: 解压:

tar xf swoole-4.4.3.tgz

4: go to swoole root directory + run phpize

cd swoole-4.4.3

/usr/bin/phpize

display your version number: 

5: 设置安装参数: full list of config setting (https://wiki.swoole.com/#/environment)

./configure --enable-openssl --enable-sockets --enable-http2 --with-php-config=/usr/bin/php-config

6: make 进行编译，make install 进行安装

make && make install