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Rule no_unused_imports

Unused use statements must be removed.

Examples

Example #1

--- Original
+++ New
 <?php
 use \DateTime;
-use \Exception;

 new DateTime();

Rule sets

The rule is part of the following rule sets:

• @PhpCsFixer

• @Symfony

References

• Fixer class: PhpCsFixer\Fixer\Import\NoUnusedImportsFixer

• Test class: PhpCsFixer\Tests\Fixer\Import\NoUnusedImportsFixerTest

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