Merge pull request #3279 from rectorphp/php80-get-debug-type

[PHP 8.0] Add get_debug_type()

config/set/php/php80.yaml

@@ -6,3 +6,4 @@ services:
     Rector\Php80\Rector\Class_\StringableForToStringRector: null
     Rector\Php80\Rector\Class_\AnnotationToAttributeRector: null
     Rector\Php80\Rector\FuncCall\ClassOnObjectRector: null
+    Rector\Php80\Rector\Ternary\GetDebugTypeRector: null

docs/AllRectorsOverview.md

@@ -1,4 +1,4 @@
-# All 506 Rectors Overview
+# All 507 Rectors Overview
 
 - [Projects](#projects)
 - [General](#general)
@@ -7940,6 +7940,26 @@ Change get_class($object) to faster $object::class
 
 <br>
 
+### `GetDebugTypeRector`
+
+- class: [`Rector\Php80\Rector\Ternary\GetDebugTypeRector`](/../master/rules/php80/src/Rector/Ternary/GetDebugTypeRector.php)
+- [test fixtures](/../master/rules/php80/tests/Rector/Ternary/GetDebugTypeRector/Fixture)
+
+Change ternary type resolve to get_debug_type()
+
+```diff
+ class SomeClass
+ {
+     public function run($value)
+     {
+-        return is_object($value) ? get_class($value) : gettype($value);
++        return get_debug_type($value);
+     }
+ }
+```
+
+<br>
+
 ### `StrContainsRector`
 
 - class: [`Rector\Php80\Rector\NotIdentical\StrContainsRector`](/../master/rules/php80/src/Rector/NotIdentical/StrContainsRector.php)

rules/php80/src/Rector/Ternary/GetDebugTypeRector.php

@@ -0,0 +1,114 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Php80\Rector\Ternary;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr\FuncCall;
+use PhpParser\Node\Expr\Ternary;
+use Rector\Core\Rector\AbstractRector;
+use Rector\Core\RectorDefinition\CodeSample;
+use Rector\Core\RectorDefinition\RectorDefinition;
+
+/**
+ * @see https://wiki.php.net/rfc/get_debug_type
+ *
+ * @see \Rector\Php80\Tests\Rector\Ternary\GetDebugTypeRector\GetDebugTypeRectorTest
+ */
+final class GetDebugTypeRector extends AbstractRector
+{
+    public function getDefinition(): RectorDefinition
+    {
+        return new RectorDefinition('Change ternary type resolve to get_debug_type()', [
+            new CodeSample(
+                <<<'PHP'
+class SomeClass
+{
+    public function run($value)
+    {
+        return is_object($value) ? get_class($value) : gettype($value);
+    }
+}
+PHP
+,
+                <<<'PHP'
+class SomeClass
+{
+    public function run($value)
+    {
+        return get_debug_type($value);
+    }
+}
+PHP
+
+            ),
+        ]);
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getNodeTypes(): array
+    {
+        return [Ternary::class];
+    }
+
+    /**
+     * @param Ternary $node
+     */
+    public function refactor(Node $node): ?Node
+    {
+        if ($this->shouldSkip($node)) {
+            return null;
+        }
+
+        if (! $this->areValuesIdentical($node)) {
+            return null;
+        }
+
+        /** @var FuncCall $funcCall */
+        $funcCall = $node->if;
+        $firstExpr = $funcCall->args[0]->value;
+
+        return $this->createFuncCall('get_debug_type', [$firstExpr]);
+    }
+
+    private function shouldSkip(Ternary $ternary): bool
+    {
+        if (! $this->isFuncCallName($ternary->cond, 'is_object')) {
+            return true;
+        }
+
+        if ($ternary->if === null) {
+            return true;
+        }
+
+        if (! $this->isFuncCallName($ternary->if, 'get_class')) {
+            return true;
+        }
+
+        return ! $this->isFuncCallName($ternary->else, 'gettype');
+    }
+
+    private function areValuesIdentical(Ternary $ternary): bool
+    {
+        /** @var FuncCall $isObjectFuncCall */
+        $isObjectFuncCall = $ternary->cond;
+        $firstExpr = $isObjectFuncCall->args[0]->value;
+
+        /** @var FuncCall $getClassFuncCall */
+        $getClassFuncCall = $ternary->if;
+        $secondExpr = $getClassFuncCall->args[0]->value;
+
+        /** @var FuncCall $gettypeFuncCall */
+        $gettypeFuncCall = $ternary->else;
+        $thirdExpr = $gettypeFuncCall->args[0]->value;
+
+        if (! $this->areNodesEqual($firstExpr, $secondExpr)) {
+            return false;
+        }
+
+        return $this->areNodesEqual($firstExpr, $thirdExpr);
+    }
+}

rules/php80/tests/Rector/Ternary/GetDebugTypeRector/Fixture/fixture.php.inc

@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Php80\Tests\Rector\Ternary\GetDebugTypeRector\Fixture;
+
+class SomeClass
+{
+    public function run($value)
+    {
+        return is_object($value) ? get_class($value) : gettype($value);
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Php80\Tests\Rector\Ternary\GetDebugTypeRector\Fixture;
+
+class SomeClass
+{
+    public function run($value)
+    {
+        return get_debug_type($value);
+    }
+}
+
+?>

rules/php80/tests/Rector/Ternary/GetDebugTypeRector/GetDebugTypeRectorTest.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Php80\Tests\Rector\Ternary\GetDebugTypeRector;
+
+use Iterator;
+use Rector\Core\Testing\PHPUnit\AbstractRectorTestCase;
+use Rector\Php80\Rector\Ternary\GetDebugTypeRector;
+
+final class GetDebugTypeRectorTest extends AbstractRectorTestCase
+{
+    /**
+     * @dataProvider provideData()
+     */
+    public function test(string $file): void
+    {
+        $this->doTestFile($file);
+    }
+
+    public function provideData(): Iterator
+    {
+        return $this->yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    protected function getRectorClass(): string
+    {
+        return GetDebugTypeRector::class;
+    }
+}