Hi ! I have ISPConfig (latest stable) on Debian 9 (perfect install from HowToForge, with Apache), and now need to upgrade quite old 7.0 to at least 7.2. Generic guide for example this one: https://linuxhostsupport.com/blog/how-to-install-php-7-2-on-debian-9/ Is there anything else to be taken into account? Thanks in advance.
That's not compatible with ISPConfig, do not change the default PHP version! If you want to use a newer default PHP version, upgrade your system to Debian 10. If you need a newer PHP version for your hosted websites, use this guide instead: https://www.howtoforge.com/tutorial...fig-3-from-debian-packages-on-debian-8-and-9/