[DowngradePhp74] handle static arrow functions to static closures

rules-tests/DowngradePhp74/Rector/ArrowFunction/ArrowFunctionToAnonymousFunctionRector/Fixture/static_fn.php.inc

@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp74\Rector\ArrowFunction\ArrowFunctionToAnonymousFunctionRector\Fixture;
+
+final class StaticFn
+{
+    public function run()
+    {
+        $callable = static fn () => true;
+    }
+}
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp74\Rector\ArrowFunction\ArrowFunctionToAnonymousFunctionRector\Fixture;
+
+final class StaticFn
+{
+    public function run()
+    {
+        $callable = static function () {
+            return true;
+        };
+    }
+}
+?>

rules/DowngradePhp74/Rector/ArrowFunction/ArrowFunctionToAnonymousFunctionRector.php

@@ -71,6 +71,6 @@ public function refactor(Node $node): Closure
     {
         $stmts = [new Return_($node->expr)];
 
-        return $this->anonymousFunctionFactory->create($node->params, $stmts, $node->returnType);
+        return $this->anonymousFunctionFactory->create($node->params, $stmts, $node->returnType, $node->static);
     }
 }

rules/Php72/NodeFactory/AnonymousFunctionFactory.php

@@ -70,13 +70,18 @@ public function __construct(
     public function create(
         array $params,
         array $stmts,
-        Identifier | Name | NullableType | UnionType | ComplexType | null $returnTypeNode
+        Identifier | Name | NullableType | UnionType | ComplexType | null $returnTypeNode,
+        bool $static = false
     ): Closure {
         $useVariables = $this->createUseVariablesFromParams($stmts, $params);
 
         $anonymousFunctionNode = new Closure();
         $anonymousFunctionNode->params = $params;
 
+        if ($static) {
+            $anonymousFunctionNode->static = $static;
+        }
+
         foreach ($useVariables as $useVariable) {
             $anonymousFunctionNode->uses[] = new ClosureUse($useVariable);
         }