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Advanced Comparison: PHP-CS-Fixer vs PHPStan in Symfony Projects — Which One Do You Need?

laurentmn
7 min readMar 22, 2025

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When working with Symfony, maintaining high code quality and adhering to best practices are essential. Two tools that help streamline this process are PHP-CS-Fixer and PHPStan. While both serve to improve code quality, they do so in fundamentally different ways. PHP-CS-Fixer enforces coding standards and formatting, whereas PHPStan performs static analysis to detect potential bugs and inconsistencies.

But how do these tools compare when used in advanced scenarios? Which tool is better suited for which aspect of your Symfony project? I will do my best in this article to answer these two questions, so let’s start.

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What is PHP-CS-Fixer❓

PHP-CS-Fixer is a tool that automatically fixes PHP coding style issues. It allows developers to enforce a consistent code style based on predefined rulesets or custom configurations.

🚀Why Use PHP-CS-Fixer in Symfony?

  • ✔️Enforces coding standards (PSR-1, PSR-2, PSR-12, Symfony coding standards, etc.)
  • ✔️Improves code readability and maintainability
  • ✔️Automatically fixes formatting…

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laurentmn
laurentmn

Written by laurentmn

IT Expert, Daddy of 4 children, passionate about technology, and a keen reader of books on personal development, entrepreneurship, productivity, neuro sciences.

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