/usr/share/php/Cache/ is in php-cache 1.5.6-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Cache/Application.php
/usr/share/php/Cache/Container/
/usr/share/php/Cache/Container.php
/usr/share/php/Cache/Container/db.php
/usr/share/php/Cache/Container/dbx.php
/usr/share/php/Cache/Container/file.php
/usr/share/php/Cache/Container/mdb.php
/usr/share/php/Cache/Container/msession.php
/usr/share/php/Cache/Container/phplib.php
/usr/share/php/Cache/Container/shm.php
/usr/share/php/Cache/Container/trifile.php
/usr/share/php/Cache/Error.php
/usr/share/php/Cache/Function.php
/usr/share/php/Cache/Graphics.php
/usr/share/php/Cache/HTTP_Request.php
/usr/share/php/Cache/Output.php
/usr/share/php/Cache/OutputCompression.php