ext/pdo: Default Fetch mode handling refactoring.#17694

Draft

Girgias wants to merge 3 commits intophp:masterfrom

Girgias:pdo-set-default-fetch-mode-refacto

Commits on Aug 4, 2025

ext/pdo: Move default fetch flags into bitfield
Girgias
committed
ext/pdo: Prevent setting bogus default fetch modes from PDO::setAttribute()
Girgias
committed
ext/pdo: Remove now useless checks and convert them into assertions
Girgias
committed