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Nginx and PHP are often used together to serve dynamic web content. Nginx is known for its high performance and efficiency in handling static content, while PHP is a popular scripting language for server-side programming. Here's a basic guide on how to set up Nginx with PHP using PHP-FPM (FastCGI Process Manager):

Prerequisites

1、Nginx installed on your server.

2、PHP installed on your server.

3、PHP-FPM installed on your server.

Step-by-Step Guide

1. Install Nginx and PHP-FPM

If you haven't already installed Nginx and PHP-FPM, you can do so using the package manager of your operating system. For example, on a Debian-based system like Ubuntu:

sudo apt update
sudo apt install nginx php-fpm

On a CentOS/RHEL-based system:

sudo yum install epel-release
sudo yum install nginx php-fpm

2. Configure PHP-FPM

Edit the PHP-FPM pool configuration file, usually located at/etc/php/7.4/fpm/pool.d/www.conf or similar, depending on your PHP version. Make sure it looks something like this:

[www]
user = www-data
group = www-data
listen = /run/php/php7.4-fpm.sock
listen.owner = www-data
listen.group = www-data
pm = dynamic
pm.max_children = 5
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3
chdir = /

Restart PHP-FPM to apply changes:

sudo systemctl restart php7.4-fpm

3. Configure Nginx

Edit the Nginx server block configuration file, usually located at/etc/nginx/sites-available/default or/etc/nginx/conf.d/default.conf. Add the following configuration to handle PHP files:

server {
    listen 80;
    server_name your_domain_or_IP;
    root /var/www/html;
    index index.php index.html index.htm;
    location / {
        try_files $uri $uri/ =404;
    }
    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php7.4-fpm.sock;
    }
    location ~ /\.ht {
        deny all;
    }
}

Make sure to replaceyour_domain_or_IP with your actual domain name or IP address.

4. Test PHP Processing

Create a simple PHP file to test if PHP is working correctly with Nginx. Create a file namedinfo.php in the document root directory (e.g.,/var/www/html) with the following content:

<?php
phpinfo();
?>

5. Restart Nginx

After making these changes, restart Nginx to apply them:

sudo systemctl restart nginx

6. Access Your PHP File

Open a web browser and navigate tohttp://your_domain_or_IP/info.php. You should see the PHP information page, confirming that PHP is being processed by Nginx through PHP-FPM.

Troubleshooting Tips

Ensure both Nginx and PHP-FPM services are running:

  sudo systemctl status nginx
  sudo systemctl status php7.4-fpm

Check Nginx error logs for any issues:

  sudo tail -f /var/log/nginx/error.log

Check PHP-FPM error logs for any issues:

  sudo tail -f /var/log/php7.4-fpm.log

By following these steps, you should have a working setup of Nginx serving PHP content via PHP-FPM.