Good news! PHP 8.2 is being actively supported through 31 Dec 2024. After that point, it's advisable to upgrade to the latest version, since the PHP team will only offer security-related support until 31 Dec 2026, at which point PHP 8.2 will be considered "end-of-life".
sudo apt update && sudo apt upgrade -y
sudo apt install -y lsb-release ca-certificates apt-transport-https software-properties-common gnupg2
echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/sury-php.list
wget -qO - https://packages.sury.org/php/apt.gpg | sudo apt-key add -
sudo apt update
sudo apt install -y php8.2 php8.2-cli php8.2-common php8.2-curl php8.2-mbstring php8.2-mysql php8.2-xml
php -v
php -i
php -m
echo '<?php phpinfo(); ?>' | sudo tee /var/www/html/phpinfo.php