psalm/plugin-symfony
Psalm plugin for Symfony: improves static analysis with accurate container service/parameter typing, service subscriber support, console input types, Doctrine repository mapping, Symfony-specific fixes, naming convention checks, DI warnings, and taint analysis.
Architecture fit: High. The plugin extends Psalm's static analysis capabilities specifically for Symfony's DI container, service resolution, and framework-specific patterns. It integrates natively with existing Psalm configurations, making it a natural fit for Symfony applications already using Psalm for code quality checks. The plugin addresses Symfony-specific gaps in Psalm's default analysis (e.g., service type inference, container parameter resolution) without introducing architectural complexity.
Integration feasibility: Straightforward via Composer and psalm-plugin commands. Minimal configuration required (specifying container XML path), but path varies by Symfony version/environment (e.g., var/cache/dev/App_KernelDevDebugContainer.xml for SF5+). PHP config users need extra extraFiles/stubs entries, adding minor complexity. Compatibility spans Symfony 3-8 and Psalm 4
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