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HoldBuild
PHPStan
Static analysis that makes PHP tolerable. Essential for PHP codebases.
PHPStan brings TypeScript-level type checking to PHP. At level 9 (the strictest), it catches type errors, null reference issues, and logic bugs that PHP's runtime would silently swallow. For any PHP codebase, PHPStan is non-negotiable.
It's the single biggest quality improvement you can make to a PHP project. The progressive level system means you can adopt it incrementally — start at level 1 and ratchet up as the codebase improves. We run level 9 on all PHP projects. The Hold position reflects PHP's, not PHPStan's.
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