You need PHP 5.4 (or newer, PHP 7 is fine) compiled with (at least) the following modules (those
are actually very common and should be available in any reasonable Linux distro):
Plugins may have additional dependencies i.e. several bundled plugins depend on CURL.
Some safe mode related restrictions may stop parts of tt-rss from
functioning. This is usually only a problem for (unsupported) shared
NB: I’m using whatever Debian stable is shipping. If you decide to use bleeding edge php, especially beta
versions, and run into issues, most likely I won’t be able to help you. -fox