Named arguments - another fix in logic

Author: ondrejmirtes

src/Rules/FunctionCallParametersCheck.php

@@ -5,7 +5,6 @@
 use PhpParser\Node\Expr;
 use PHPStan\Analyser\Scope;
 use PHPStan\Php\PhpVersion;
-use PHPStan\Reflection\ParameterReflection;
 use PHPStan\Reflection\ParametersAcceptor;
 use PHPStan\Reflection\ResolvedFunctionVariant;
 use PHPStan\Type\ErrorType;
@@ -410,12 +409,8 @@ private function processArguments(
 				$namedArgumentAlreadyOccurred = true;
 
 				$parametersCount = count($parameters);
-				$requiredParametersByName = array_filter($unusedParametersByName, static function (ParameterReflection $parameter): bool {
-					return !$parameter->isOptional();
-				});
 				if (
-					count($requiredParametersByName) !== 0
-					|| !$parametersAcceptor->isVariadic()
+					!$parametersAcceptor->isVariadic()
 					|| $parametersCount <= 0
 					|| $isBuiltin
 				) {

tests/PHPStan/Rules/Methods/CallMethodsRuleTest.php

@@ -1706,18 +1706,10 @@ public function testNamedArguments(): void
 				'Parameter ...$args of method NamedArgumentsMethod\Foo::doIpsum() expects string, int given.',
 				91,
 			],
-			[
-				'Unknown parameter $foo in call to method NamedArgumentsMethod\Foo::doIpsum().',
-				92,
-			],
 			[
 				'Missing parameter $b (int) in call to method NamedArgumentsMethod\Foo::doIpsum().',
 				92,
 			],
-			[
-				'Unknown parameter $foo in call to method NamedArgumentsMethod\Foo::doIpsum().',
-				93,
-			],
 			[
 				'Missing parameter $a (int) in call to method NamedArgumentsMethod\Foo::doIpsum().',
 				93,
@@ -1913,7 +1905,12 @@ public function testBug4800(): void
 		$this->checkNullables = true;
 		$this->checkUnionTypes = true;
 		$this->phpVersion = 80000;
-		$this->analyse([__DIR__ . '/data/bug-4800.php'], []);
+		$this->analyse([__DIR__ . '/data/bug-4800.php'], [
+			[
+				'Missing parameter $bar (string) in call to method Bug4800\HelloWorld2::a().',
+				36,
+			],
+		]);
 	}
 
 }

tests/PHPStan/Rules/Methods/data/bug-4800.php

@@ -18,3 +18,21 @@ public function b(): void
 		$this->a(foo: 'bar', c: 3);
 	}
 }
+
+class HelloWorld2
+{
+	/**
+	 * @param string|int ...$arguments
+	 */
+	public function a(string $bar, ...$arguments): string
+	{
+		return '';
+	}
+
+	public function b(): void
+	{
+		$this->a(bar: 'baz', foo: 'bar', c: 3);
+		$this->a(foo: 'baz', bar: 'bar', c: 3);
+		$this->a(foo: 'bar', c: 3);
+	}
+}