/usr/share/php/magpierss/ is in libphp-magpierss 0.72-10ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/magpierss/rss_cache.inc
/usr/share/php/magpierss/rss_fetch.inc
/usr/share/php/magpierss/rss_parse.inc
/usr/share/php/magpierss/rss_utils.inc
/usr/share/php/magpierss/scripts/
/usr/share/php/magpierss/scripts/README
/usr/share/php/magpierss/scripts/magpie_debug.php
/usr/share/php/magpierss/scripts/magpie_simple.php
/usr/share/php/magpierss/scripts/magpie_slashbox.php
/usr/share/php/magpierss/scripts/simple_smarty.php
/usr/share/php/magpierss/scripts/smarty_plugin/
/usr/share/php/magpierss/scripts/smarty_plugin/modifier.rss_date_parse.php
/usr/share/php/magpierss/scripts/templates/
/usr/share/php/magpierss/scripts/templates/simple.smarty