Fix

Author: zonuexe

conf/config.neon

@@ -434,6 +434,9 @@ services:
 			usedAttributes:
 				lines: %featureToggles.phpDocParserIncludeLines%
 
+	-
+		class: PHPStan\PhpDocParser\Printer\Printer
+
 	-
 		class: PHPStan\PhpDoc\ConstExprParserFactory
 		arguments:

src/Rules/Debug/DumpPhpDocTypeRule.php

@@ -4,6 +4,8 @@
 
 use PhpParser\Node;
 use PHPStan\Analyser\Scope;
+use PHPStan\PhpDocParser\Printer\Printer;
+use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 use PHPStan\Reflection\ReflectionProvider;
 use PHPStan\Rules\Rule;
 use PHPStan\Rules\RuleErrorBuilder;
@@ -17,7 +19,7 @@
 final class DumpPhpDocTypeRule implements Rule
 {
 
-	public function __construct(private ReflectionProvider $reflectionProvider)
+	public function __construct(private ReflectionProvider $reflectionProvider, private Printer $printer)
 	{
 	}
 
@@ -49,7 +51,7 @@ public function processNode(Node $node, Scope $scope): array
 			RuleErrorBuilder::message(
 				sprintf(
 					'Dumped type: %s',
-					$scope->getType($node->getArgs()[0]->value)->toPhpDocNode(),
+					$this->printer->print($scope->getType($node->getArgs()[0]->value)->toPhpDocNode()),
 				),
 			)->nonIgnorable()->identifier('phpstan.dumpPhpDocType')->build(),
 		];

tests/PHPStan/Rules/Debug/DumpPhpDocTypeRuleTest.php

@@ -2,6 +2,7 @@
 
 namespace PHPStan\Rules\Debug;
 
+use PHPStan\PhpDocParser\Printer\Printer;
 use PHPStan\Rules\Rule;
 use PHPStan\Testing\RuleTestCase;
 
@@ -13,7 +14,7 @@ class DumpPhpDocTypeRuleTest extends RuleTestCase
 
 	protected function getRule(): Rule
 	{
-		return new DumpPhpDocTypeRule($this->createReflectionProvider());
+		return new DumpPhpDocTypeRule($this->createReflectionProvider(), new Printer());
 	}
 
 	public function testRuleSymbols(): void