PDOATTRORACLENULLS
PDOATTRORACLENULLS is a reference to the PDO attribute ATTR_ORACLE_NULLS used in PHP Data Objects (PDO) to control how NULL values are handled when interacting with Oracle databases. This attribute is set on a PDO connection, typically via setAttribute, to ensure the driver maps PHP values and Oracle NULLs in a predictable way.
The attribute accepts one of three constants: PDO::NULL_NATURAL, PDO::NULL_EMPTY_STRING, and PDO::NULL_ORACLE. In NULL_NATURAL mode, no special
Scope and usage: ATTR_ORACLE_NULLS is specific to the Oracle PDO driver (such as PDO with Oracle surroundings)
Considerations: The exact behavior can vary with driver versions and Oracle client configurations. Developers should test