The DB connection should be provided in all cases as the first argument.
The overloaded function signatures will be removed in the future.
Warn about this change.
Part of https://wiki.php.net/rfc/deprecations_php_8_1.
Use string escape for exotic types that allows to handle any data types. i.e. Array, JSON, JSONB, etc will work.
Add escape only query for better performance which removes meta data look up. Limitations forced by pg_convert() can be avoided with this. PGSQL_DML_ESCAPE constant is added for it.