/usr/share/php/ is in php-horde-mapi 1.0.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Horde/
/usr/share/php/Horde/Mapi.php
/usr/share/php/Horde/Mapi/
/usr/share/php/Horde/Mapi/Timezone.php
/usr/share/php/Horde/Mapi/Exception.php
/usr/share/php/.registry/
/usr/share/php/.registry/.channel.pear.horde.org/
/usr/share/php/.registry/.channel.pear.horde.org/horde_mapi.reg
/usr/share/php/tests/
/usr/share/php/tests/Horde_Mapi/
/usr/share/php/tests/Horde_Mapi/Horde/
/usr/share/php/tests/Horde_Mapi/Horde/Mapi/
/usr/share/php/tests/Horde_Mapi/Horde/Mapi/bootstrap.php
/usr/share/php/tests/Horde_Mapi/Horde/Mapi/fixtures/
/usr/share/php/tests/Horde_Mapi/Horde/Mapi/fixtures/filetime
/usr/share/php/tests/Horde_Mapi/Horde/Mapi/TimezoneTest.php
/usr/share/php/tests/Horde_Mapi/Horde/Mapi/MapiTest.php
/usr/share/php/tests/Horde_Mapi/Horde/Mapi/phpunit.xml
/usr/share/php/tests/Horde_Mapi/Horde/Mapi/AllTests.php