Binary package “php-horde-rpc” in ubuntu bionic

Horde RPC API

 A common abstracted interface to various remote methods of accessing Horde
 functionality.
 .
 This package is part of Horde, a web application Framework written in PHP with
 modules like IMP (webmail), Turba (contacts), Kronolith (calendar), Nag (task
 list), Gollem (file manager), etc.