"PHP_CodeSniffer checks code against defined WordPress coding standards rather than deciding whether the software satisfies every user expectation."
WordPress's official handbook specifies concrete PHP rules governing naming, syntax, formatting, interoperability, and security-related practices, and identifies PHP_CodeSniffer as an automated checking tool. Its defined rules illustrate why some aspects of correctness can be mechanically enforced at scale. Source year is estimated from the live handbook consulted in 2026.
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