SUSE Linux Enterprise Server (SLES) is a Linux-based server operating system created and maintained by the German-based organization, SUSE. It is part of the enterprise product family and is designed for server environments known for its stability and comprehensive support for enterprise workloads.

1. Add PHP Repository for PHP 8.2 packages and refreshes the package manager's data.
Run the following command

For  SLE 15 SP6  run the following as  root :
 
zypper addrepo https://download.opensuse.org/repositories/devel:languages:php/SLE_15_SP6/devel:languages:php.repo 
zypper refresh         



For  SLE 15 SP5  run the following as  root :


zypper addrepo https://download.opensuse.org/repositories/devel:languages:php/SLE_15_SP5/devel:languages:php.repo 
zypper  refresh  


For  SLE 15 SP4  run the following as  root :

zypper addrepo https://download.opensuse.org/repositories/devel:languages:php/SLE_15_SP4/devel:languages:php.repo 
zypper  refresh

2. Install PHP 8.2 from the added repository:

root@gateway:~# zypper install php8

3. Check the PHP Version. This should display the version of PHP you installed.

root@gateway:~# php -v