/usr/share/php/Horde/ is in php-horde-argv 2.0.12-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Horde/Argv/
/usr/share/php/Horde/Argv/AmbiguousOptionException.php
/usr/share/php/Horde/Argv/BadOptionException.php
/usr/share/php/Horde/Argv/Exception.php
/usr/share/php/Horde/Argv/HelpFormatter.php
/usr/share/php/Horde/Argv/IndentedHelpFormatter.php
/usr/share/php/Horde/Argv/Option.php
/usr/share/php/Horde/Argv/OptionConflictException.php
/usr/share/php/Horde/Argv/OptionContainer.php
/usr/share/php/Horde/Argv/OptionException.php
/usr/share/php/Horde/Argv/OptionGroup.php
/usr/share/php/Horde/Argv/OptionValueException.php
/usr/share/php/Horde/Argv/Parser.php
/usr/share/php/Horde/Argv/TitledHelpFormatter.php
/usr/share/php/Horde/Argv/Translation.php
/usr/share/php/Horde/Argv/Values.php