From 2f9683271df89e613a6e2dc3abfc19180806693c Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Fri, 23 May 2025 04:06:26 +0700
Subject: [PATCH 1/3] [DowngradePhp83] Add
 DowngradeDynamicClassConstFetchRector

---
 config/set/downgrade-php83.php                |  2 +
 ...ngradeDynamicClassConstFetchRectorTest.php | 28 +++++++
 .../Fixture/fixture.php.inc                   | 37 ++++++++++
 .../skip_named_class_const_fetch.php.inc      | 15 ++++
 .../config/configured_rule.php                | 10 +++
 .../DowngradeDynamicClassConstFetchRector.php | 74 +++++++++++++++++++
 6 files changed, 166 insertions(+)
 create mode 100644 rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/DowngradeDynamicClassConstFetchRectorTest.php
 create mode 100644 rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/fixture.php.inc
 create mode 100644 rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/skip_named_class_const_fetch.php.inc
 create mode 100644 rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/config/configured_rule.php
 create mode 100644 rules/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector.php

diff --git a/config/set/downgrade-php83.php b/config/set/downgrade-php83.php
index f86f2300..af0d5d88 100644
--- a/config/set/downgrade-php83.php
+++ b/config/set/downgrade-php83.php
@@ -6,11 +6,13 @@
 use Rector\DowngradePhp83\Rector\Class_\DowngradeReadonlyAnonymousClassRector;
 use Rector\ValueObject\PhpVersion;
 use Rector\DowngradePhp83\Rector\ClassConst\DowngradeTypedClassConstRector;
+use Rector\DowngradePhp83\Rector\ClassConstFetch\DowngradeDynamicClassConstFetchRector;
 
 return static function (RectorConfig $rectorConfig): void {
     $rectorConfig->phpVersion(PhpVersion::PHP_82);
     $rectorConfig->rules([
         DowngradeTypedClassConstRector::class,
         DowngradeReadonlyAnonymousClassRector::class,
+        DowngradeDynamicClassConstFetchRector::class,
     ]);
 };
diff --git a/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/DowngradeDynamicClassConstFetchRectorTest.php b/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/DowngradeDynamicClassConstFetchRectorTest.php
new file mode 100644
index 00000000..c440a848
--- /dev/null
+++ b/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/DowngradeDynamicClassConstFetchRectorTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\DowngradePhp83\Rector\ClassConstFetch\DowngradeDynamicClassConstFetchRector;
+
+use Iterator;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class DowngradeDynamicClassConstFetchRectorTest extends AbstractRectorTestCase
+{
+    #[DataProvider('provideData')]
+    public function test(string $filePath): void
+    {
+        $this->doTestFile($filePath);
+    }
+
+    public static function provideData(): Iterator
+    {
+        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}
diff --git a/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/fixture.php.inc b/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/fixture.php.inc
new file mode 100644
index 00000000..5869e412
--- /dev/null
+++ b/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/fixture.php.inc
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\DowngradePhp83\Rector\ClassConstFetch\DowngradeDynamicClassConstFetchRector\Fixture;
+
+class Fixture
+{
+    public const string FOO = 'foo';
+
+    public function run()
+    {
+        $someValue = 'foo';
+        Fixture::{$someValue};
+    }
+}
+
+?>
+-----
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\DowngradePhp83\Rector\ClassConstFetch\DowngradeDynamicClassConstFetchRector\Fixture;
+
+class Fixture
+{
+    public const string FOO = 'foo';
+
+    public function run()
+    {
+        $someValue = 'foo';
+        constant(Fixture::class . '::' . $someValue);
+    }
+}
+
+?>
diff --git a/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/skip_named_class_const_fetch.php.inc b/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/skip_named_class_const_fetch.php.inc
new file mode 100644
index 00000000..d4ead3be
--- /dev/null
+++ b/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/skip_named_class_const_fetch.php.inc
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\DowngradePhp83\Rector\ClassConstFetch\DowngradeDynamicClassConstFetchRector\Fixture;
+
+class SkipNamedClassConstFetch
+{
+    public const FOO = 'foo';
+
+    public function run()
+    {
+        return self::FOO;
+    }
+}
diff --git a/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/config/configured_rule.php b/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/config/configured_rule.php
new file mode 100644
index 00000000..83bb218a
--- /dev/null
+++ b/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/config/configured_rule.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\DowngradePhp83\Rector\ClassConstFetch\DowngradeDynamicClassConstFetchRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->rule(DowngradeDynamicClassConstFetchRector::class);
+};
diff --git a/rules/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector.php b/rules/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector.php
new file mode 100644
index 00000000..fce6cf5e
--- /dev/null
+++ b/rules/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector.php
@@ -0,0 +1,74 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\DowngradePhp83\Rector\ClassConstFetch;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr\BinaryOp\Concat;
+use PhpParser\Node\Expr\ClassConstFetch;
+use PhpParser\Node\Identifier;
+use PhpParser\Node\Scalar\String_;
+use Rector\NodeManipulator\PropertyDecorator;
+use Rector\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @changelog https://wiki.php.net/rfc/dynamic_class_constant_fetch
+ *
+ * @see \Rector\Tests\DowngradePhp83\Rector\ClassConstFetch\DowngradeDynamicClassConstFetchRector\DowngradeDynamicClassConstFetchRectorTest
+ */
+final class DowngradeDynamicClassConstFetchRector extends AbstractRector
+{
+    public function __construct(
+        private readonly PropertyDecorator $propertyDecorator
+    ) {
+    }
+
+    /**
+     * @return array<class-string<Node>>
+     */
+    public function getNodeTypes(): array
+    {
+        return [ClassConstFetch::class];
+    }
+
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Change dynamic class const fetch Example::{$constName} to constant(Example::class . \'::\' . $constName)',
+            [
+                new CodeSample(
+                    <<<'CODE_SAMPLE'
+$value = Example::{$constName};
+CODE_SAMPLE
+                    ,
+                    <<<'CODE_SAMPLE'
+$value = constant(Example::class . '::' . $constName);
+CODE_SAMPLE
+                ),
+            ]
+        );
+    }
+
+    /**
+     * @param ClassConstFetch $node
+     */
+    public function refactor(Node $node): ?Node
+    {
+        if ($node->name instanceof Identifier) {
+            return null;
+        }
+
+        return $this->nodeFactory->createFuncCall('constant', [
+            new Concat(
+                new Concat(
+                    new ClassConstFetch($node->class, new Identifier('class')),
+                    new String_('::')
+                ),
+                $node->name
+            ),
+        ]);
+    }
+}

From a41b97c5515f6f38f27b423834a15e10d819fb85 Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Fri, 23 May 2025 04:08:49 +0700
Subject: [PATCH 2/3] cleasns up

---
 .../DowngradeDynamicClassConstFetchRector.php         | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/rules/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector.php b/rules/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector.php
index fce6cf5e..cee77418 100644
--- a/rules/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector.php
+++ b/rules/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector.php
@@ -9,7 +9,6 @@
 use PhpParser\Node\Expr\ClassConstFetch;
 use PhpParser\Node\Identifier;
 use PhpParser\Node\Scalar\String_;
-use Rector\NodeManipulator\PropertyDecorator;
 use Rector\Rector\AbstractRector;
 use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
 use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
@@ -21,11 +20,6 @@
  */
 final class DowngradeDynamicClassConstFetchRector extends AbstractRector
 {
-    public function __construct(
-        private readonly PropertyDecorator $propertyDecorator
-    ) {
-    }
-
     /**
      * @return array<class-string<Node>>
      */
@@ -63,10 +57,7 @@ public function refactor(Node $node): ?Node
 
         return $this->nodeFactory->createFuncCall('constant', [
             new Concat(
-                new Concat(
-                    new ClassConstFetch($node->class, new Identifier('class')),
-                    new String_('::')
-                ),
+                new Concat(new ClassConstFetch($node->class, new Identifier('class')), new String_('::')),
                 $node->name
             ),
         ]);

From abd2aa3edee8f5226c067ecd74fb9753cecbbb28 Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Fri, 23 May 2025 04:09:52 +0700
Subject: [PATCH 3/3] cleasns up

---
 .../Fixture/fixture.php.inc                                   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/fixture.php.inc b/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/fixture.php.inc
index 5869e412..80635bce 100644
--- a/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/fixture.php.inc
+++ b/rules-tests/DowngradePhp83/Rector/ClassConstFetch/DowngradeDynamicClassConstFetchRector/Fixture/fixture.php.inc
@@ -10,7 +10,7 @@ class Fixture
 
     public function run()
     {
-        $someValue = 'foo';
+        $someValue = 'FOO';
         Fixture::{$someValue};
     }
 }
@@ -29,7 +29,7 @@ class Fixture
 
     public function run()
     {
-        $someValue = 'foo';
+        $someValue = 'FOO';
         constant(Fixture::class . '::' . $someValue);
     }
 }