/usr/share/php/ is in php-symfony-property-access 3.4.6+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Symfony/
/usr/share/php/Symfony/Component/
/usr/share/php/Symfony/Component/PropertyAccess/
/usr/share/php/Symfony/Component/PropertyAccess/Exception/
/usr/share/php/Symfony/Component/PropertyAccess/Exception/AccessException.php
/usr/share/php/Symfony/Component/PropertyAccess/Exception/ExceptionInterface.php
/usr/share/php/Symfony/Component/PropertyAccess/Exception/InvalidArgumentException.php
/usr/share/php/Symfony/Component/PropertyAccess/Exception/InvalidPropertyPathException.php
/usr/share/php/Symfony/Component/PropertyAccess/Exception/NoSuchIndexException.php
/usr/share/php/Symfony/Component/PropertyAccess/Exception/NoSuchPropertyException.php
/usr/share/php/Symfony/Component/PropertyAccess/Exception/OutOfBoundsException.php
/usr/share/php/Symfony/Component/PropertyAccess/Exception/RuntimeException.php
/usr/share/php/Symfony/Component/PropertyAccess/Exception/UnexpectedTypeException.php
/usr/share/php/Symfony/Component/PropertyAccess/PropertyAccess.php
/usr/share/php/Symfony/Component/PropertyAccess/PropertyAccessor.php
/usr/share/php/Symfony/Component/PropertyAccess/PropertyAccessorBuilder.php
/usr/share/php/Symfony/Component/PropertyAccess/PropertyAccessorInterface.php
/usr/share/php/Symfony/Component/PropertyAccess/PropertyPath.php
/usr/share/php/Symfony/Component/PropertyAccess/PropertyPathBuilder.php
/usr/share/php/Symfony/Component/PropertyAccess/PropertyPathInterface.php
/usr/share/php/Symfony/Component/PropertyAccess/PropertyPathIterator.php
/usr/share/php/Symfony/Component/PropertyAccess/PropertyPathIteratorInterface.php
/usr/share/php/Symfony/Component/PropertyAccess/StringUtil.php
/usr/share/php/Symfony/Component/PropertyAccess/autoload.php