Add new rule to add explicit public scope to unscoped class methods

rules-tests/Visibility/Rector/ClassMethod/ExplicitPublicClassMethodRector/ExplicitPublicClassMethodRectorTest.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\Visibility\Rector\ClassMethod\ExplicitPublicClassMethodRector;
+
+use Iterator;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+use Symplify\SmartFileSystem\SmartFileInfo;
+
+final class ExplicitPublicClassMethodRectorTest extends AbstractRectorTestCase
+{
+    /**
+     * @dataProvider provideData()
+     */
+    public function test(SmartFileInfo $fileInfo): void
+    {
+        $this->doTestFileInfo($fileInfo);
+    }
+
+    /**
+     * @return Iterator<SmartFileInfo>
+     */
+    public function provideData(): Iterator
+    {
+        return $this->yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}
+

rules-tests/Visibility/Rector/ClassMethod/ExplicitPublicClassMethodRector/Fixture/fixture.php.inc

@@ -0,0 +1,63 @@
+<?php
+
+class SomeClass
+{
+    function noExplicitVis()
+    {
+        $a = 3;
+        $closure = function ($b) use ($a) {
+            return $a + $b;
+        };
+        return $closure;
+    }
+
+    public function publicVis()
+    {
+    }
+
+    protected function protectedVis()
+    {
+    }
+
+    private function privateVis()
+    {
+    }
+}
+
+function notInScope()
+{
+}
+
+?>
+-----
+<?php
+
+class SomeClass
+{
+    public function noExplicitVis()
+    {
+        $a = 3;
+        $closure = function ($b) use ($a) {
+            return $a + $b;
+        };
+        return $closure;
+    }
+
+    public function publicVis()
+    {
+    }
+
+    protected function protectedVis()
+    {
+    }
+
+    private function privateVis()
+    {
+    }
+}
+
+function notInScope()
+{
+}
+
+?>

rules-tests/Visibility/Rector/ClassMethod/ExplicitPublicClassMethodRector/config/configured_rule.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Core\ValueObject\Visibility;
+use Rector\Visibility\Rector\ClassMethod\ExplicitPublicClassMethodRector;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+
+return static function (ContainerConfigurator $containerConfigurator): void {
+    $services = $containerConfigurator->services();
+    $services->set(ExplicitPublicClassMethodRector::class);
+};
+

rules/Visibility/Rector/ClassMethod/ExplicitPublicClassMethodRector.php

@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Visibility\Rector\ClassMethod;
+
+use PhpParser\Node;
+use PhpParser\Node\Stmt\ClassMethod;
+use Rector\Core\Rector\AbstractRector;
+use Rector\Core\ValueObject\PhpVersionFeature;
+use Rector\Privatization\NodeManipulator\VisibilityManipulator;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @see \Rector\Tests\Visibility\Rector\ClassMethod\ExplicitPublicClassMethodRector\ExplicitPublicClassMethodRectorTest
+ */
+final class ExplicitPublicClassMethodRector extends AbstractRector
+{
+    public function __construct(
+        private readonly VisibilityManipulator $visibilityManipulator,
+    ) {
+    }
+
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Add explicit public method visibility.',
+            [
+                new CodeSample(
+                    <<<'CODE_SAMPLE'
+class SomeClass
+{
+    function foo()
+    {
+    }
+}
+CODE_SAMPLE
+                    ,
+                    <<<'CODE_SAMPLE'
+class SomeClass
+{
+    public function foo()
+    {
+    }
+}
+CODE_SAMPLE
+                ),
+            ]
+        );
+    }
+
+    /**
+     * @return array<class-string<Node>>
+     */
+    public function getNodeTypes(): array
+    {
+        return [ClassMethod::class];
+    }
+
+    /**
+     * @param ClassConst $node
+     */
+    public function refactor(Node $node): ?Node
+    {
+        // already non-public
+        if (! $node->isPublic()) {
+            return null;
+        }
+
+        // explicitly public
+        if ($node->flags !== 0) {
+            return null;
+        }
+
+        $this->visibilityManipulator->makePublic($node);
+
+        return $node;
+    }
+}