We know it is deprecated but there are still systems that are running Debian 8, or at least applications that used old packages such as PHP5 that you may need an environment to stage testing/updates for it.
Here is a working sources.list for Debian 8 Jessie:
deb http://archive.debian.org/debian/ jessie main contrib non-free
deb http://archive.debian.org/debian-security jessie/updates main contrib non-free
If you are in Docker there i........
This may sound silly but there will be conflicts/issues with the default Centos repository so you have to use a third party like remi (I prefer not to do this but it's the only option unless you migrate your sites/data to another server or can stand some downtime-not an option IMHOon a production server).
You may need to upgrade to PHP5.3 to run Joomla or many other reasons.
Your host needs to use PHP 5.2.4 or higher to run this version of Jo........