[DeadCode] Skip magic methods in RemoveUnusedParameterRector

packages/DeadCode/src/Rector/ClassMethod/RemoveUnusedParameterRector.php

@@ -28,6 +28,26 @@ final class RemoveUnusedParameterRector extends AbstractRector
      */
     private $classMethodManipulator;
 
+    /**
+     * @var string[]
+     */
+    private $magicMethods = [
+        '__call',
+        '__callStatic',
+        '__clone',
+        '__debugInfo',
+        '__destruct',
+        '__get',
+        '__invoke',
+        '__isset',
+        '__set',
+        '__set_state',
+        '__sleep',
+        '__toString',
+        '__unset',
+        '__wakeup',
+    ];
+
     public function __construct(ClassManipulator $classManipulator, ClassMethodManipulator $classMethodManipulator)
     {
         $this->classManipulator = $classManipulator;
@@ -83,6 +103,10 @@ public function refactor(Node $node): ?Node
             return null;
         }
 
+        if ($this->isNames($node, $this->magicMethods)) {
+            return null;
+        }
+
         $class = $this->getName($classNode);
         if ($class === null) {
             return null;

packages/DeadCode/tests/Rector/ClassMethod/RemoveUnusedParameterRector/Fixture/keep_magic_methods_param.php.inc

@@ -0,0 +1,26 @@
+<?php
+
+namespace Rector\DeadCode\Tests\Rector\ClassMethod\RemoveUnusedParameterRector\Fixture;
+
+class SomeClassWithMagicMethods
+{
+    public function __call($one, $two)
+    {
+    }
+
+    public function __get($one)
+    {
+    }
+
+    public function __set($one, $value)
+    {
+    }
+
+    public function __isset($one)
+    {
+    }
+
+    public static function __callStatic($one, $two)
+    {
+    }
+}

packages/DeadCode/tests/Rector/ClassMethod/RemoveUnusedParameterRector/RemoveUnusedParameterRectorTest.php

@@ -15,6 +15,7 @@ public function test(): void
             __DIR__ . '/Fixture/parent_required.php.inc',
             __DIR__ . '/Fixture/in_between_parameter.php.inc',
             __DIR__ . '/Fixture/compact.php.inc',
+            __DIR__ . '/Fixture/keep_magic_methods_param.php.inc',
         ]);
     }