How to Install PHP 8.3 for Nginx on Ubuntu 24.10

To install PHP 8.3 for Nginx on Ubuntu 24.10, follow these steps:

Step 1 : Update your package lists to ensure the latest versions:

sudo apt update

Step 2 : Search for available PHP 8.3 packages using:

apt-cache search php8.3

Step 3 : Install the necessary core packages for PHP 8.3:

sudo apt install php8.3 php8.3-cli php8.3-fpm -y

Step 4 : Install frequently used PHP extensions:

sudo apt install -y php8.3-{mysql,curl,xsl,gd,common,xml,zip,xsl,soap,bcmath,mbstring,gettext,imagick}

- mysql: For database interactions.

- curl: For making HTTP requests.

- xsl: For XML transformations.

- gd: For image manipulation.

- common: Core libraries.

- xml: For handling XML data.

- zip: For managing ZIP archives.

- soap: For SOAP-based web services.

- bcmath: For arbitrary precision mathematics.

- mbstring: For multibyte string processing.

- gettext: For localization support.

- imagick: For advanced image processing.

Step 5 : Check the installed PHP version:

php -v

Step 6 : Edit the Nginx site configuration:

sudo nano /etc/nginx/sites-available/example.com

Add the following within the server block:

server {
    listen 80;
    server_name example.com www.example.com;

    root /var/www/example.com;
    index index.php index.html index.htm;

    location / {
        try_files $uri $uri/ =404;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php/php8.3-fpm.sock;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    }

    location ~ /\.ht {
        deny all;
    }

    error_log  /var/log/nginx/example.com_error.log;
    access_log /var/log/nginx/example.com_access.log;
}

Step 7 : Create a symbolic link to enable your site.

sudo ln -s /etc/nginx/sites-available/example.com /etc/nginx/sites-enabled/

Step 8 : Check Nginx configuration for syntax errors:

sudo nginx -t

Step 9 : Restart Nginx to apply changes:

sudo systemctl restart nginx

Step 10 : Create a test file to verify PHP:

sudo nano /var/www/example.com/info.php

Add the following content:

<?php
phpinfo();
?>

Access the test file in your browser:

http://example.com/info.php

Congratulations! You have successfully installed and configured PHP 8.3 with Nginx on Ubuntu 24.10.