PHP-FPM does have some advantages depending on the solution and the common path is to use Nginx with PHP-FPM. However what happens when you want to utilize the normal features of Apache, such as basics like .htaccess files, but still keep the tuning options open that come with PHP-FPM? Well, there is a module for that!
This guide is going to assume a fresh CentOS 7 server to illustrate everything from start to finish, and will assume that all sites on this server will use the same php-fpm pool.
First, installed the required packages for your web server:
[[email protected] ~]# yum install httpd httpd-tools mod_ssl php-fpm
Now update the Apache configuration to use the mpm_event_module instead of the mpm_prefork_module:
[[email protected] ~]# vim /etc/httpd/conf.modules.d/00-mpm.conf # LoadModule mpm_prefork_module modules/mod_mpm_prefork.so LoadModule mpm_event_module modules/mod_mpm_event.so
Then tell Apache to send all PHP requests over to PHP-FPM by creating a new configuration file:
[[email protected] ~]# vim /etc/httpd/conf.d/php.conf # Tell the PHP interpreter to handle files with a .php extension. # Proxy declaration <Proxy "unix:/var/run/php-fpm/default.sock|fcgi://php-fpm"> # we must declare a parameter in here (doesn't matter which) or it'll not register the proxy ahead of time ProxySet disablereuse=off </Proxy> # Redirect to the proxy <FilesMatch \.php$> SetHandler proxy:fcgi://php-fpm </FilesMatch> # # Allow php to handle Multiviews # AddType text/html .php # # Add index.php to the list of files that will be served as directory # indexes. # DirectoryIndex index.php # # Uncomment the following lines to allow PHP to pretty-print .phps # files as PHP source code: # #<FilesMatch \.phps$> # SetHandler application/x-httpd-php-source #</FilesMatch>
Tweak PHP-FPM to use sockets instead of TCP connections for performance purposes as follows:
[[email protected] ~]# vim /etc/php-fpm.d/www.conf ; listen = 127.0.0.1:9000 listen = /var/run/php-fpm/default.sock ... listen.allowed_clients = 127.0.0.1 listen.owner = apache listen.group = apache listen.mode = 0660 user = apache group = apache
And lastly, enable the services to start on boot and start them up:
[[email protected] ~]# systemctl enable php-fpm [[email protected] ~]# systemctl enable httpd [[email protected] ~]# systemctl start php-fpm [[email protected] ~]# systemctl start httpd
If you are using a software firewall on the server, open ports 80/443 accordingly. This example will open them up to the world. Adjust yours accordingly:
[[email protected] ~]# firewall-cmd --zone=public --permanent --add-service=http [[email protected] ~]# firewall-cmd --zone=public --permanent --add-service=https [[email protected] ~]# firewall-cmd --reload
Finally, test a site to ensure PHP is working and is using PHP-FPM by creating the file below, then visiting the page at x.x.x.x/info.php:
[r[email protected] ~]# vim /var/www/html/info.php <?php phpinfo(); ?>
And your done!
Using multiple PHP-FPM pools
What happens if you want to isolate each site to their own PHP-FPM pool instead of using a shared pool? That is easy enough to do. Assuming that you followed everything in this guide to get to this point, do the following.
First, disable the global Apache configuration for PHP:
[[email protected] ~]# mv /etc/httpd/conf.d/php.conf /etc/httpd/conf.d/php.conf.bak
Create a new PHP-FPM pool for this specific site and update it accordingly:
[[email protected] ~]# cp /etc/php-fpm.d/www.conf /etc/php-fpm.d/example.com.conf [[email protected] ~]# vim /etc/php-fpm.d/example.com.conf ; listen = 127.0.0.1:9000 listen = /var/run/php-fpm/example.com.sock ... listen.allowed_clients = 127.0.0.1 listen.owner = apache listen.group = apache listen.mode = 0660 user = apache group = apache
Then update the site’s Apache vhost to point to a new PHP-FPM pool in both the 80 and 443 stanzas. Be sure to update the socket accordingly for your site in the 2 sections below! (ie: unix:/var/run/php-fpm/example.com.sock)
[[email protected] ~]# vim /etc/httpd/vhost.d/example.com.conf <VirtualHost *:80> ServerName example.com ServerAlias www.example.com DocumentRoot /var/www/vhosts/example.com # Proxy declaration <Proxy "unix:/var/run/php-fpm/example.com.sock|fcgi://php-fpm"> # we must declare a parameter in here (doesn't matter which) or it'll not register the proxy ahead of time ProxySet disablereuse=off # Note: If you configure php-fpm to use the "ondemand" process manager, then use "ProxySet disablereuse=on" </Proxy> # Redirect to the proxy <FilesMatch \.php$> SetHandler proxy:fcgi://php-fpm </FilesMatch> ... <VirtualHost *:443> ServerName example.com ServerAlias www.example.com DocumentRoot /var/www/vhosts/example.com # Proxy declaration <Proxy "unix:/var/run/php-fpm/example.com.sock|fcgi://php-fpm"> # we must declare a parameter in here (doesn't matter which) or it'll not register the proxy ahead of time ProxySet disablereuse=off # Note: If you configure php-fpm to use the "ondemand" process manager, then use "ProxySet disablereuse=on" </Proxy> # Redirect to the proxy <FilesMatch \.php$> SetHandler proxy:fcgi://php-fpm </FilesMatch> ...
Then restart the services:
[[email protected] ~]# systemctl restart php-fpm [[email protected] ~]# systemctl restart httpd
Finally, test a site to ensure PHP is working and is using PHP-FPM by creating the file below, then visiting the page at example.com/info.php:
[[email protected] ~]# vim /var/www/vhosts/example.com/info.php <?php phpinfo(); ?>
And your done!