From 40cd751756ade75c4c71f5c94eec2f15df13f263 Mon Sep 17 00:00:00 2001
From: TomasVotruba <tomas.vot@gmail.com>
Date: Fri, 21 Feb 2020 00:40:35 +0100
Subject: [PATCH] keep array function static

---
 .../Closure/ClosureToArrowFunctionRector.php  |  5 ++++
 .../Fixture/retain_static.php.inc             | 29 +++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 rules/php-74/tests/Rector/Closure/ClosureToArrowFunctionRector/Fixture/retain_static.php.inc

diff --git a/rules/php-74/src/Rector/Closure/ClosureToArrowFunctionRector.php b/rules/php-74/src/Rector/Closure/ClosureToArrowFunctionRector.php
index 9e3180ba08f..756a489b16e 100644
--- a/rules/php-74/src/Rector/Closure/ClosureToArrowFunctionRector.php
+++ b/rules/php-74/src/Rector/Closure/ClosureToArrowFunctionRector.php
@@ -17,6 +17,7 @@ use Rector\Core\ValueObject\PhpVersionFeature;
 
 /**
  * @see https://wiki.php.net/rfc/arrow_functions_v2
+ *
  * @see \Rector\Php74\Tests\Rector\Closure\ClosureToArrowFunctionRector\ClosureToArrowFunctionRectorTest
  */
 final class ClosureToArrowFunctionRector extends AbstractRector
@@ -92,6 +93,10 @@ PHP
 
         $arrowFunction->expr = $return->expr;
 
+        if ($node->static === true) {
+            $arrowFunction->static = true;
+        }
+
         return $arrowFunction;
     }
 
diff --git a/rules/php-74/tests/Rector/Closure/ClosureToArrowFunctionRector/Fixture/retain_static.php.inc b/rules/php-74/tests/Rector/Closure/ClosureToArrowFunctionRector/Fixture/retain_static.php.inc
new file mode 100644
index 00000000000..7d2f9372b0a
--- /dev/null
+++ b/rules/php-74/tests/Rector/Closure/ClosureToArrowFunctionRector/Fixture/retain_static.php.inc
@@ -0,0 +1,29 @@
+<?php
+
+namespace Rector\Php74\Tests\Rector\Closure\ClosureToArrowFunctionRector\Fixture;
+
+class RetainStatic
+{
+    public function run()
+    {
+        $bars = array_map(static function (int $value): int {
+            return $value * 2;
+        }, [1, 2, 3]);
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Php74\Tests\Rector\Closure\ClosureToArrowFunctionRector\Fixture;
+
+class RetainStatic
+{
+    public function run()
+    {
+        $bars = array_map(static fn(int $value): int => $value * 2, [1, 2, 3]);
+    }
+}
+
+?>