FastCGI

One of the main use-cases of FastCGI proxying within Nginx is for PHP processing. Unlike Apache, which can handle PHP processing directly with the use of the mod_php module, Nginx must rely on a separate PHP processor to handle PHP requests. Most often, this processing is handled with php-fpm, a PHP processor that has been extensively tested to work with Nginx.

/etc/nginx/nginx.conf: fastcgi_pass

Directives:

• fastcgi_param
• fastcgi_pass

/etc/nginx/fastcgi.conf

/etc/nginx/snippets/fastcgi-php.conf

fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;

error.log

FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught Error: Class .../...

See also

• PHP, php-fpm, www.conf, php -i, PHP sessions, symfony, fastcgi_pass, sessionclean (shell script),phpsessionclean.service (systemd service), phpquery, php.ini, /var/log/php*, PECL, php --help, PHPUnit, Laravel, PHP framework, Composer, phpbrew, Xdebug, php --version, PHP Fatal error, Hello, World! (php)]
• Web server: Nginx: /etc/nginx/nginx.conf, nginx -t, Nginx logs, Nginx change log, PHP, php-fpm, Let's encrypt, Nginx directives, Reverse Proxy, Configure HTTP redirection Nginx, Return, proxy_pass (Reverse proxy), ngx_http_rewrite_module, /etc/nginx/sites-enabled/, error.log, access.log, /nginx status, AIO