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config.rst

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Config file

No config

It is possible to not have the config file. In that case, the default rule set (@PSR12) will be applied, yet the path will need to be provided via CLI.

php php-cs-fixer.phar fix .

It is also possible to provide command line options to customize rules, yet instead of using them, it's recommended to save the project configuration in a .php-cs-fixer.dist.php file in the root directory of your project. The file must return an instance of PhpCsFixer\ConfigInterface which lets you configure the rules, the files and directories that need to be analyzed. You may also create .php-cs-fixer.php file, which is the local configuration that will be used instead of the project configuration. It is a good practice to add that file into your .gitignore file. With the --config option you can specify the path to the config file.

The simplest config

The simplest config declares paths under control and rules to apply/check:

<?php

$finder = (new PhpCsFixer\Finder())
    ->in(__DIR__)
;

return (new PhpCsFixer\Config())
    ->setRules([
        '@PER-CS' => true,
        '@PHP82Migration' => true,
    ])
    ->setFinder($finder)
;

Default finder ignores __DIR__ . "/vendor" dir, "hidden" paths (ones starting with a dot) and VCS paths (e.g. .git), and filter only for *.php files.

Configuring paths

The example below will manipulate which paths to fix or not:

<?php

$finder = (new PhpCsFixer\Finder())
    ->in(__DIR__)
    ->exclude([
        'autogenerated_content',
        'tests/fixtures',
    ])
    ->notPath([
        'dump.php',
        'src/exception_file.php',
    ])
;

return (new PhpCsFixer\Config())
    ->setRules([
        '@PhpCsFixer' => true,
    ])
    ->setFinder($finder)
;

Note that exclude will work only for directories, so if you need to exclude a file, use notPath. Both exclude and notPath methods accept only relative paths to the ones defined with the in method, can be called multiple times and accept string or array of them.

See Symfony\Finder online documentation for other Finder methods.

Configuring rules

The example below will add two rules to the default list of PSR12 set rules:

<?php

$finder = (new PhpCsFixer\Finder())
    ->in(__DIR__)
;

return (new PhpCsFixer\Config())
    ->setRules([
        '@PSR12' => true,
        'strict_param' => true,
        'array_syntax' => ['syntax' => 'short'],
    ])
    ->setFinder($finder)
;

You may also use an exclude list for the rules instead of the above shown include approach. The following example shows how to use all PhpCsFixer rules but without the align_multiline_comment rule.

<?php

$finder = (new PhpCsFixer\Finder())
    ->in(__DIR__)
;

return (new PhpCsFixer\Config())
    ->setRules([
        '@PhpCsFixer' => true,
        'comment_type' => false,
    ])
    ->setFinder($finder)
;

Configuring whitespaces

You may want to use non-linux whitespaces in your project. Then you need to configure them in your config file.

<?php

$finder = (new PhpCsFixer\Finder())
    ->in(__DIR__)
;

return (new PhpCsFixer\Config())
    ->setRules([
        '@Symfony' => true,
    ])
    ->setFinder($finder)
    ->setIndent("\t")
    ->setLineEnding("\r\n")
;