Add support to pass driver flags to DBA handlers

Currently only LMDB with DBA_LMDB_USE_SUB_DIR/DBA_LMDB_NO_SUB_DIR are supported

Merge branch 'PHP-8.1'

* PHP-8.1:
Add more specific array return type hints for various extensions - part 1

Add more specific array return type hints for various extensions - part 1

ext/bz2, ext/calendar, ext/dba, ext/enchant

Closes GH-7432

Refactor dba_(p)open() to be more sensible (#7610)

Actually use ZPP
Throw ValueErrors for invalid values
Use dedicated struc members for file permission and map size instead of a zva

Refactor dba_(p)open() to be more sensible (#7610)

Actually use ZPP
Throw ValueErrors for invalid values
Use dedicated struc members for file permission and map size instead of a zval stack

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Refactor DBA

Use proper ZPP union types
Use standard function signature semantics for dba_fetch()
Re-ordering of checks

Implicitly enable function entry generation when class entry generation is enabled

Closes GH-6675

Generate class entries for a few extensions

Relates to GH-6644

Fix stub for dba_key_split()

This is an extremely weird function, but the behavior seems to be
intentional, and is quite clearly documented.

So we adjust the stub to also accept

Fix stub for dba_key_split()

This is an extremely weird function, but the behavior seems to be
intentional, and is quite clearly documented.

So we adjust the stub to also accept false|null as arguments. I
believe the implementation already correctly matches union type
semantics.

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Update ext/dba parameter names

Closes GH-6292.

Add a bunch of missing argument types to stubs

Fix typo (UNKOWN -> UNKNOWN)

Generate function entries from stubs for a couple of extensions

Closes GH-5347

Revert "Replace @param annotations with type declarations"

This reverts commit c31029f335ca1b453af799805c43c37e959ad555.

Replace @param annotations with type declarations

Add union return types for function stubs

Add ext/dba stubs