Migrate ext/dba resources to objects (#14239)

Related to https://wiki.php.net/rfc/resource_to_object_conversion and https://github.com/php/php-tasks/issues/6

Improve DBA test suite (#8904)

Generalises tests for all the different drivers.
Run the general test for the various drivers.

This allows support for parallel testing as the tes

Improve DBA test suite (#8904)

Generalises tests for all the different drivers.
Run the general test for the various drivers.

This allows support for parallel testing as the tests now do not rely on the same DB file.

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