phpcompatibility/phpcompatibility-wp
WordPress-focused PHP_CodeSniffer ruleset for checking PHP cross-version compatibility. Built on PHPCompatibility, it avoids false positives by excluding WordPress backfills and polyfills so you can scan WP plugins, themes, and sites accurately.
Architecture fit: This package integrates seamlessly into existing PHP_CodeSniffer workflows for WordPress projects, leveraging PHPCS as a standard static analysis tool. It specifically addresses WordPress's polyfill mechanisms, reducing false positives compared to the generic PHPCompatibility standard. The architecture is non-intrusive, operating as a ruleset rather than a runtime dependency, making it ideal for CI/CD pipelines and local development environments.
Integration feasibility: High feasibility via Composer-based installation with clear documentation. Requires PHP_CodeSniffer ≥3.13.3 and specific PHPCompatibility dependencies. The Composer PHPCS plugin automates ruleset registration, simplifying setup. However, version constraints for dependencies (e.g., PHPCS 4.0 support in 3.0.0-alpha1) could cause conflicts in legacy projects, necessitating careful dependency management.
Technical risk: Moderate risk due to the package being in alpha (3.0.0-alpha2) with no stable releases. Zero listed dependents suggests limited real-world adoption. Dependency on PHPCompatibility 10.0.0+ introduces versioning complexity—custom <exclude> rules or phpcs:ignore comments may break during upgrades. The project’s reliance on community funding (noted in README) raises sustainability concerns for long-term maintenance.
Key questions: How frequently does the ruleset update to align with WordPress core changes (e.g., new polyfills in WP 6.8+)? What is the process for addressing false positives/negatives in WordPress-specific edge cases? Are there documented SLAs or maintenance commitments given the funding dependency?
Stack fit: Native fit for WordPress-centric stacks using Composer, PHPCS, and CI/CD systems (e.g., GitHub Actions). Works with common IDEs via PHPCS extensions (VSCode, PHPStorm). Does not require runtime changes—only static analysis during builds
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