How to install swoole extension with php7

Yesterday I accidentally saw a video tutorial about live streaming

It talked about swoole. I believe everyone (nearly 1 year old PHPer) has heard about this thing. I've used it, but I haven't really used it, and of course I don't know how to use it (me too).

Here is a summary(drawing from several online technical posts)How to install the swoole extension in php7.

My environment

CentOS Linux release 7.3.1611 (Core)
PHP 7.0 .22 (cli) (built: Aug 9 2017 18:23:24) (NTS)
mysql Ver 15.1 Distrib 5.5.52-MariaDB, for Linux (x86_64) using readline 5.1

nginx version: nginx/1.10.2

##Installation steps

1.wget -c https://github.com/swoole/swoole-src/archive/v2.0.8.tar.gz //目前最新版2.0.8
2.tar -zxvf v2.0.8.tar.gz//解压缩 然后cd进入压缩后目录
3.这个时候需要使用phpize生成编译文件（在这里附上http://www.cnblogs.com/hubing/p/4941692.html对phpize的解释 已经很明了了）{
phpize的作用可以这样理解：侦测环境(phpize工具是在php安装目录下,基于这点phpize对应了当时的php环境，所以是要根据该php的配置情况生成对应的configure文件)，建立一个configure文件。必须在一个目录下去运行phpize。那么phpize就知道你的的环境是哪个目录，并且configure文件建立在该目录下。
}
此时的我保错如下：Can't find PHP headers in /usr/include/php The php-devel package is required for use of this command.
解决方法：yum install php70w-devel
4.执行phpize  /usr/bin/phpize(记得要在swoole扩展目录下执行)
5.执行 ./configure
6.然后就是 make && make install 一起走完
7.最后要修改下php.ini  添加extension=swoole.so
8.记得重启服务

OK! Execute php -m at this time. If you see more swoole, it means success

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