From c04555b9387dea448a5649348546e9629063dda8 Mon Sep 17 00:00:00 2001
From: Ondrej Mirtes <ondrej@mirtes.cz>
Date: Sat, 26 Oct 2024 12:15:51 +0200
Subject: [PATCH] Another micro optimization

---
 src/Rules/RuleLevelHelper.php | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/Rules/RuleLevelHelper.php b/src/Rules/RuleLevelHelper.php
index 0f15683606..ce937ac0d0 100644
--- a/src/Rules/RuleLevelHelper.php
+++ b/src/Rules/RuleLevelHelper.php
@@ -14,6 +14,7 @@
 use PHPStan\Type\MixedType;
 use PHPStan\Type\NeverType;
 use PHPStan\Type\NullType;
+use PHPStan\Type\ObjectType;
 use PHPStan\Type\ObjectWithoutClassType;
 use PHPStan\Type\StaticType;
 use PHPStan\Type\StrictMixedType;
@@ -497,7 +498,15 @@ private function findTypeToCheckImplementation(
 		}
 
 		$tip = null;
-		if (str_contains($type->describe(VerbosityLevel::typeOnly()), 'PhpParser\\Node\\Arg|PhpParser\\Node\\VariadicPlaceholder') && !$unionTypeCriteriaCallback($type)) {
+		if (
+			$type instanceof UnionType
+			&& count($type->getTypes()) === 2
+			&& $type->getTypes()[0] instanceof ObjectType
+			&& $type->getTypes()[1] instanceof ObjectType
+			&& $type->getTypes()[0]->getClassName() === 'PhpParser\\Node\\Arg'
+			&& $type->getTypes()[1]->getClassName() === 'PhpParser\\Node\\VariadicPlaceholder'
+			&& !$unionTypeCriteriaCallback($type)
+		) {
 			$tip = 'Use <fg=cyan>->getArgs()</> instead of <fg=cyan>->args</>.';
 		}