How to Install PHP 8.3 on RHEL 9

# dnf update

Install EPEL Repository

# dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm
# rpm -qi epel-release

Install Remi Repository

# dnf -y install http://rpms.remirepo.net/enterprise/remi-release-9.rpm -y
# rpm -qi remi-release

# dnf module list php -y

# dnf module reset php -y

# dnf module enable php:remi-8.3 -y

# dnf install php -y

# php -v

# systemctl start php-fpm.service 
# systemctl enable php-fpm.service
# systemctl status php-fpm.service

Install Additional PHP Extensions

# dnf install php-{pear,zip,mysqlnd,intl}

Integrate PHP with the Apache Web Server

# dnf install httpd
# systemctl start httpd 
# systemctl enable httpd 
# systemctl status httpd

Create the file as follows:

# vim /var/www/html/info.php

<?php
phpinfo();
?>

# systemctl restart httpd

launch your browser and visit the URL shown:

# http://server-ip/info.php
# http://192.168.0.107/info.php