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Rule final_public_method_for_abstract_class

All public methods of abstract classes should be final.

Description

Enforce API encapsulation in an inheritance architecture. If you want to override a method, use the Template method pattern.

Warning

Using this rule is risky

Risky when overriding public methods of abstract classes.

Examples

Example #1

--- Original
+++ New
 <?php

 abstract class AbstractMachine
 {
-    public function start()
+    final public function start()
     {}
 }

References

• Fixer class: PhpCsFixer\Fixer\ClassNotation\FinalPublicMethodForAbstractClassFixer

• Test class: PhpCsFixer\Tests\Fixer\ClassNotation\FinalPublicMethodForAbstractClassFixerTest

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