fabpot/php-cs-fixer
Automatically fix PHP coding standards issues and unify style across your codebase. Includes rule sets like PER-CS, Symfony, and PhpCsFixer, plus configurable rules and migrations to modern PHP and PHPUnit. Supports PHP 7.4–8.5.
The PHP Coding Standards Fixer (PHP CS Fixer) fixes your code to follow the standards.
If you are already using a linter to identify coding standards problems in your code, you know that fixing them by hand is tedious, especially on large projects. This tool not only detects them, but also fixes them for you.
PHP CS Fixer has built-in rule sets, whether you want to follow PHP coding standards as defined by PHP-FIG's PER Coding Style - @PER-CS,
a wide community like the Symfony - @Symfony,
or our opinionated one - @PhpCsFixer.
You can also define your (team's) style through the configuration file.
PHP CS Fixer can not only unify the style of your code, but also help to modernise your codebase towards
newer PHP (e.g. @autoPHPMigration and @autoPHPMigration:risky) and newer PHPUnit (e.g. @autoPHPUnitMigration:risky).
There are also @auto and @auto:risky that aim to provide good base rules.
[!NOTE] Each new PHP version requires a huge effort to support the new syntax. That's why the latest PHP version might not be supported yet. If you need it, please consider supporting the project in any convenient way, for example, with code contributions or reviewing existing PRs. To run PHP CS Fixer on yet unsupported versions "at your own risk" - use
--allow-unsupported-php-version=yesoption.
The recommended way to install PHP CS Fixer is to use Composer:
composer require --dev friendsofphp/php-cs-fixer
## or when facing conflicts in dependencies:
composer require --dev php-cs-fixer/shim
For more details and other installation methods (also with Docker or behind CI), see installation instructions.
Assuming you installed PHP CS Fixer as instructed above, you can initialise base config for your project by using following command:
./vendor/bin/php-cs-fixer init
To automatically fix your project, or only check against the need of changes, run:
./vendor/bin/php-cs-fixer fix
./vendor/bin/php-cs-fixer check
See usage, list of built-in rules, list of rule sets and configuration file documentation for more details.
If you need to apply code styles that are not built-in into the tool, you can create custom rules.
Native support exists for:
Community plugins exist for:
The PHP CS Fixer is maintained on GitHub at https://github.com/PHP-CS-Fixer/PHP-CS-Fixer. Contributions, bug reports and ideas about new features are welcome there.
You can reach us in the GitHub Discussions regarding the project, configuration, possible improvements, ideas and questions.
The tool comes with quite a few built-in fixers, but everyone is more than welcome to contribute more of them.
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