Upgrade system

sudo dnf upgrade --refresh -y

Install EPEL repository

sudo dnf install -y epel-release

sudo dnf install -y https://rpms.remirepo.net/enterprise/remi-release-9.rpm

Reset PHP

sudo dnf module reset php

Check module version

dnf module list php

Enable module PHP from Remi

sudo dnf module enable -y php:remi-8.1

Install PHP service

sudo dnf install -y php

Install extension for PHP

sudo dnf install -y php-fpm php-cli php-curl php-mysqlnd php-gd php-opcache php-zip php-intl php-common php-bcmath php-imap php-imagick php-xmlrpc php-json php-readline php-memcached php-redis php-mbstring php-apcu php-xml php-dom php-redis php-memcached php-memcache

Enable and start php-fpm service

sudo systemctl enable --now php-fpm

Check PHP version

php -v