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Rule lambda_not_used_import

Lambda must not import variables it doesn’t use.

Examples

Example #1

--- Original
+++ New
 <?php
-$foo = function() use ($bar) {};
+$foo = function() {};

Rule sets

The rule is part of the following rule sets:

• @PhpCsFixer

• @Symfony

References

• Fixer class: PhpCsFixer\Fixer\FunctionNotation\LambdaNotUsedImportFixer

• Test class: PhpCsFixer\Tests\Fixer\FunctionNotation\LambdaNotUsedImportFixerTest

The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.