[Downgrade PHP 7.3] Trailing commas in function calls

config/set/downgrade-php73.php

@@ -2,11 +2,10 @@
 
 declare(strict_types=1);
 
-use Rector\DowngradePhp73\Rector\FuncCall\DowngradeTrailingCommasInFunctionCalls;
-use Rector\DowngradePhp73\Rector\String_\DowngradeFlexibleHeredocSyntax;
+use Rector\DowngradePhp73\Rector\FuncCall\DowngradeTrailingCommasInFunctionCallsRector;
 use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
 
 return static function (ContainerConfigurator $containerConfigurator): void {
     $services = $containerConfigurator->services();
-    $services->set(DowngradeFlexibleHeredocSyntax::class);
+    $services->set(DowngradeTrailingCommasInFunctionCallsRector::class);
 };

rules/downgrade-php73/src/Rector/FuncCall/DowngradeTrailingCommasInFunctionCallsRector.php

@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\DowngradePhp73\Rector\FuncCall;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr\FuncCall;
+use Rector\Core\Rector\AbstractRector;
+use Rector\Core\RectorDefinition\CodeSample;
+use Rector\Core\RectorDefinition\RectorDefinition;
+use Rector\NodeTypeResolver\Node\AttributeKey;
+
+final class DowngradeTrailingCommasInFunctionCallsRector extends AbstractRector
+{
+    public function getDefinition(): RectorDefinition
+    {
+        return new RectorDefinition(
+            'Remove trailing commas in function calls', [
+                new CodeSample(
+                    <<<'CODE_SAMPLE'
+class SomeClass
+{
+    public function __construct(string $value)
+    {
+        $compacted = compact(
+            'posts',
+            'units',
+        );
+    }
+}
+CODE_SAMPLE
+                    , <<<'CODE_SAMPLE'
+class SomeClass
+{
+    public function __construct(string $value)
+    {
+        $compacted = compact(
+            'posts',
+            'units'
+        );
+    }
+}
+CODE_SAMPLE
+                ),
+            ]
+        );
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getNodeTypes(): array
+    {
+        return [FuncCall::class];
+    }
+
+    public function refactor(Node $node): ?Node
+    {
+        $node->setAttribute(AttributeKey::ORIGINAL_NODE, null);
+        return $node;
+    }
+}

rules/downgrade-php73/tests/Rector/FuncCall/DowngradeTrailingCommasInFunctionCallsRector/DowngradeTrailingCommasInFunctionCallsRectorTest.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\DowngradePhp73\Tests\Rector\FuncCall\DowngradeTrailingCommasInFunctionCallsRector;
+
+use Iterator;
+use Rector\Core\Testing\PHPUnit\AbstractRectorTestCase;
+use Rector\Core\ValueObject\PhpVersionFeature;
+use Rector\DowngradePhp73\Rector\FuncCall\DowngradeTrailingCommasInFunctionCallsRector;
+use Symplify\SmartFileSystem\SmartFileInfo;
+
+final class DowngradeTrailingCommasInFunctionCallsRectorTest extends AbstractRectorTestCase
+{
+    /**
+     * @requires PHP >= 7.3
+     * @dataProvider provideData()
+     */
+    public function test(SmartFileInfo $fileInfo): void
+    {
+        $this->doTestFileInfo($fileInfo);
+    }
+
+    public function provideData(): Iterator
+    {
+        return $this->yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    protected function getRectorClass(): string
+    {
+        return DowngradeTrailingCommasInFunctionCallsRector::class;
+    }
+
+    protected function getPhpVersion(): string
+    {
+        return '7.2';
+//        TODO: create constant
+//        return PhpVersionFeature::;
+    }
+}

rules/downgrade-php73/tests/Rector/FuncCall/DowngradeTrailingCommasInFunctionCallsRector/Fixture/fixture.php.inc

@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\DowngradePhp73\Tests\Rector\FuncCall\DowngradeTrailingCommasInFunctionCallsRector\Fixture;
+
+class FixtureClass
+{
+    public function run()
+    {
+        $compacted = compact('posts','units',);
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\DowngradePhp73\Tests\Rector\FuncCall\DowngradeTrailingCommasInFunctionCallsRector\Fixture;
+
+class FixtureClass
+{
+    public function run()
+    {
+        $compacted = compact('posts', 'units');
+    }
+}
+
+?>