Internal PHPStan rule - attributes must have named arguments

Author: ondrejmirtes

build/PHPStan/Build/AttributeNamedArgumentsRule.php

@@ -0,0 +1,41 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Build;
+
+use PhpParser\Node;
+use PhpParser\Node\Attribute;
+use PHPStan\Analyser\Scope;
+use PHPStan\Rules\Rule;
+use PHPStan\Rules\RuleErrorBuilder;
+use function sprintf;
+
+/**
+ * @implements Rule<Attribute>
+ */
+final class AttributeNamedArgumentsRule implements Rule
+{
+
+	public function getNodeType(): string
+	{
+		return Attribute::class;
+	}
+
+	public function processNode(Node $node, Scope $scope): array
+	{
+		foreach ($node->args as $arg) {
+			if ($arg->name !== null) {
+				continue;
+			}
+
+			return [
+				RuleErrorBuilder::message(sprintf('Attribute %s is not using named arguments.', $node->name->toString()))
+					->identifier('phpstan.attributeWithoutNamedArguments')
+					->nonIgnorable()
+					->build(),
+			];
+		}
+
+		return [];
+	}
+
+}

build/phpstan.neon

@@ -117,6 +117,7 @@ parameters:
 
 rules:
 	- PHPStan\Build\FinalClassRule
+	- PHPStan\Build\AttributeNamedArgumentsRule
 
 services:
 	-