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null

Null value representation and handling

ProgrammingJSON Null Representation Best Practices for All Data Types

Learn best practices for JSON null representation across all data types. Understand conventions for integers, strings, collections, and when to use null vs. omitting fields.

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ProgrammingPHP Return by Reference: Fix 'Only Variable References' Warning

Learn how to properly return NULL by reference in PHP without triggering 'Only variable references should be returned' warnings. Understand the fix for null-coalescing.

1 answer• 1 view