feat: no_superfluous_phpdoc_tags - support for arrow function (PHP-CS…

…-Fixer#7666)

Co-authored-by: Julien Falque <[email protected]>

src/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixer.php

@@ -262,7 +262,7 @@ private function findDocumentedElement(Tokens $tokens, int $docCommentIndex): ?a
                 return $element;
             }
 
-            if ($tokens[$index]->isGivenKind(T_FUNCTION)) {
+            if ($tokens[$index]->isGivenKind([T_FUNCTION, T_FN])) {
                 $element['index'] = $index;
                 $element['type'] = 'function';
 

tests/Fixer/Phpdoc/NoSuperfluousPhpdocTagsFixerTest.php

@@ -2456,6 +2456,78 @@ class Foo {
     public function doFoo($bar): Baz {}
 }',
         ];
+
+        yield 'superfluous parameter type for anonymous function' => [
+            '<?php
+/**  */
+function (int $foo) { return 1; };',
+            '<?php
+/** @param int $foo */
+function (int $foo) { return 1; };',
+        ];
+
+        yield 'superfluous return type for anonymous function' => [
+            '<?php
+/**  */
+function ($foo): int { return 1; };',
+            '<?php
+/** @return int */
+function ($foo): int { return 1; };',
+        ];
+
+        yield 'superfluous parameter type for static anonymous function' => [
+            '<?php
+/**  */
+static function (int $foo) { return 1; };',
+            '<?php
+/** @param int $foo */
+static function (int $foo) { return 1; };',
+        ];
+
+        yield 'superfluous return type for static anonymous function' => [
+            '<?php
+/**  */
+static function ($foo): int { return 1; };',
+            '<?php
+/** @return int */
+static function ($foo): int { return 1; };',
+        ];
+
+        yield 'superfluous parameter type for arrow function' => [
+            '<?php
+/**  */
+fn (int $foo) => 1;',
+            '<?php
+/** @param int $foo */
+fn (int $foo) => 1;',
+        ];
+
+        yield 'superfluous return type for arrow function' => [
+            '<?php
+/**  */
+fn ($foo): int => 1;',
+            '<?php
+/** @return int */
+fn ($foo): int => 1;',
+        ];
+
+        yield 'superfluous parameter type for static arrow function' => [
+            '<?php
+/**  */
+static fn (int $foo) => 1;',
+            '<?php
+/** @param int $foo */
+static fn (int $foo) => 1;',
+        ];
+
+        yield 'superfluous return type for static arrow function' => [
+            '<?php
+/**  */
+static fn ($foo): int => 1;',
+            '<?php
+/** @return int */
+static fn ($foo): int => 1;',
+        ];
     }
 
     /**