fastcgi principle and implementation case of PHP service

Source: CGI handles a Web server's dynamic request, and each time it has to fork a new process to process it, and for a highly concurrent web environment it is not appropriate to have a built-in PHP interpreter for the Fastcgi;web server that exists in the Web server in a modular way. Starts as the Web server starts

Introduction: Scalable, high-speed interface for communication between HTTP servers and dynamic scripting languages, implemented as sockets under Linux, with a listening port of 9000

Architecture: C/S architecture, HTTP server and PHP interpreter;

Client: HTTP server side with Nginx as an example, the configuration parameter is Fastcgi_pass;

Server side: PHP-FPM

Operating principle:

Nginx Connection php:

PHP Connection Mysql:php.ini configuration file (slightly)

fastcgi principle and implementation case of PHP service