/usr/share/php/ is in php-mdb2 2.5.0b5-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/MDB2/Driver/
/usr/share/php/MDB2/Driver/Datatype/
/usr/share/php/MDB2.php
/usr/share/php/MDB2/
/usr/share/php/MDB2/LOB.php
/usr/share/php/MDB2/Driver/Datatype/Common.php
/usr/share/php/MDB2/Driver/Native/
/usr/share/php/MDB2/Driver/Native/Common.php
/usr/share/php/MDB2/Driver/Reverse/
/usr/share/php/MDB2/Driver/Reverse/Common.php
/usr/share/php/MDB2/Driver/Manager/
/usr/share/php/MDB2/Driver/Manager/Common.php
/usr/share/php/MDB2/Driver/Function/
/usr/share/php/MDB2/Driver/Function/Common.php
/usr/share/php/MDB2/Iterator.php
/usr/share/php/MDB2/Extended.php
/usr/share/php/MDB2/Date.php
/usr/share/php/.registry/
/usr/share/php/.registry/mdb2.reg
/usr/share/php/tests/
/usr/share/php/tests/MDB2/
/usr/share/php/tests/MDB2/tests/
/usr/share/php/tests/MDB2/tests/dsn.inc
/usr/share/php/tests/MDB2/tests/Nonstandard/
/usr/share/php/tests/MDB2/tests/Nonstandard/Base.php
/usr/share/php/tests/MDB2/tests/Nonstandard/SqlservHelper.php
/usr/share/php/tests/MDB2/tests/README
/usr/share/php/tests/MDB2/tests/functions.inc
/usr/share/php/tests/MDB2/tests/import.schema.php
/usr/share/php/tests/MDB2/tests/schema.xml
/usr/share/php/tests/MDB2/tests/autoload.inc
/usr/share/php/tests/MDB2/tests/AllTests.php
/usr/share/php/tests/MDB2/tests/Debug.php
/usr/share/php/tests/MDB2/tests/Standard/
/usr/share/php/tests/MDB2/tests/Standard/Abstract.php
/usr/share/php/tests/MDB2/tests/Standard/ExtendedTest.php
/usr/share/php/tests/MDB2/tests/Standard/InternalsTest.php
/usr/share/php/tests/MDB2/tests/Standard/UsageTest.php
/usr/share/php/tests/MDB2/tests/Standard/ReverseTest.php
/usr/share/php/tests/MDB2/tests/Standard/FunctionTest.php
/usr/share/php/tests/MDB2/tests/Standard/BugsTest.php
/usr/share/php/tests/MDB2/tests/Standard/ManagerTest.php
/usr/share/php/tests/MDB2/tests/Standard/DatatypeTest.php
/usr/share/php/tests/MDB2/tests/Standard/ApiTest.php