Install PHP 8.2 on Ubuntu 22.04 with Nginx

sudo apt update && sudo apt upgrade -y
sudo apt install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt update

sudo apt install php8.2-fpm
php-fpm8.2 -v
sudo apt install php8.2-common php8.2-mysql php8.2-xml php8.2-xmlrpc php8.2-curl php8.2-gd php8.2-imagick php8.2-cli php8.2-dev php8.2-imap php8.2-mbstring php8.2-opcache php8.2-soap php8.2-zip php8.2-redis php8.2-intl -y

sudo nano /etc/php/8.2/fpm/php.ini

Hit F6 for search inside the editor and update the following values for better performance.

upload_max_filesize = 32M 
post_max_size = 48M 
memory_limit = 256M 
max_execution_time = 600 
max_input_vars = 3000 
max_input_time = 1000

Once you have modified your PHP settings you need to restart your Apache for the changes to take effect.

For users with Nginx to who use PHP-FPM, you need to restart PHP-FPM.

sudo service php8.2-fpm restart

Configure PHP 8.2 FPM Pools

PHP-FPM allows you to configure the user and group that the service will run under. You can modify these with these commands.

sudo nano /etc/php/8.2/fpm/pool.d/www.conf

If you want to change the username name you can change the following lines by replacing the www-data with your username.

user = username 
group = username 
listen.owner = username
listen.group = username

Hit CTRL+X and Y to save the configuration and check if the configuration is correct and restart PHP.

Restart PHP 8.2 FPM

Once you have updated your PHP FPM settings you need to restart it to apply the changes.

sudo php-fpm8.2 -t 
sudo service php8.2-fpm restart

Now you are having PHP 8.2 Installed and configured.

Permission Add nginx to group

sudo usermod -a -G www-data nginx

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