During July 2025, Jlh focused on enhancing type safety within the phpstan/phpstan-src repository by addressing a bug in the functionMap.php file. Jlh corrected the documented return type for the bzdecompress function to include int alongside string and false, ensuring alignment between documentation, code, and actual runtime behavior. This change improved the accuracy of PHPStan’s static analysis, reducing the risk of type-related runtime errors for projects relying on strict type checks. The work demonstrated careful code documentation, disciplined use of PHP type hinting, and precise change management, reflecting a thoughtful approach to maintaining reliability in PHP codebases.