/usr/share/php/ is in php-horde-feed 2.0.2-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/.registry/
/usr/share/php/.registry/.channel.pear.horde.org/
/usr/share/php/.registry/.channel.pear.horde.org/horde_feed.reg
/usr/share/php/Horde/
/usr/share/php/Horde/Feed/
/usr/share/php/Horde/Feed/Exception.php
/usr/share/php/Horde/Feed/Base.php
/usr/share/php/Horde/Feed/Blogroll.php
/usr/share/php/Horde/Feed/Entry/
/usr/share/php/Horde/Feed/Entry/Base.php
/usr/share/php/Horde/Feed/Entry/Blogroll.php
/usr/share/php/Horde/Feed/Entry/Rss.php
/usr/share/php/Horde/Feed/Entry/Atom.php
/usr/share/php/Horde/Feed/Rss.php
/usr/share/php/Horde/Feed/Atom.php
/usr/share/php/Horde/Feed.php