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考虑让我的 web server 增加对 PHP 的支持，这就要用到 php 解析器来将客户端请求的 php 文件解析为静态资源，再由我的 web server 将其返回到客户端，php-fpm 就可以来帮我们完成这个工作。可是我的 web server 如何与 php-fpm 通信呢？ 接下来就是本文的主角：FastCGI 。

FastCGI 实现与测试代码：

Description

C language through FastCGI protocol, through php-fpm, php file parsed into html files.

How to use

Preparation：

please make sure you have installed .

Testing environment：CentOS 7

configuration file：/usr/local/php/etc/php-fpm.conf

php file：my own user home directory —/home/Tanswer/index.php

If you want to run, you need to change the php file path of main.c.

1. Modify the configuration

   After the installation is complete, the default communication method for unix local domain socket communication, our example and php-fpm for TCP communication, so we should change the configuration, the ip address is set to 127.0.0.1, listening port 9000. As follows：

   

2. restart php-fpm

   sudo service php-fpm restart

3. compiling and running

   git clone git@github.com:Tanswer/FastCGI.gitcd FastCGI && make./main

   found an error after running：

   error:Unable to open primary script: /home/Tanswer/index.php (No such file or directory)

   This is the issue of permissions, the permissions of index.php are：

   -rw-r--r-- 1 Tanswer Tanswer 64 12月 23 13:16 index.php. From the above default configuration file can be seen, the account that started the php-fpm process is www, and here we change it to Tanswer，as follows：

   

   run again ./main, the result is as follows：

   

Reference material

博主着重关心如何使用，对协议的细节描述的不是很清楚，请自行查询相关资料。

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