Binary package “libphp-magpierss” in ubuntu xenial

provides an XML-based RSS parser in PHP

 MagpieRSS is an XML-based RSS parser in PHP. It attempts to be "PHP-like",
 and simple to use.
 .
 Some features include:
 .
  * supports RSS 0.9 - 1.0, with limited RSS 2.0 support
  * supports namespaces, and modules, including mod_content and mod_event
  * open minded
  * simple, functional interface, to object oriented backend parser
  * automatic caching of parsed RSS objects makes its easy to integrate
  * supports conditional GET with Last-Modified, and ETag
  * uses constants for easy override of default behaviour
  * heavily commented