Sync parse_url signature with PHP 8

Author: ondrejmirtes

resources/functionMap.php

@@ -8230,7 +8230,7 @@
 'parse_ini_file' => ['array|false', 'filename'=>'string', 'process_sections='=>'bool', 'scanner_mode='=>'int'],
 'parse_ini_string' => ['array|false', 'ini_string'=>'string', 'process_sections='=>'bool', 'scanner_mode='=>'int'],
 'parse_str' => ['void', 'encoded_string'=>'string', '&w_result='=>'array'],
-'parse_url' => ['mixed', 'url'=>'string', 'url_component='=>'int'],
+'parse_url' => ['array|int|string|false|null', 'url'=>'string', 'url_component='=>'int'],
 'ParseError::__clone' => ['void'],
 'ParseError::__construct' => ['void', 'message='=>'string', 'code='=>'int', 'previous='=>'(?Throwable)|(?ParseError)'],
 'ParseError::__toString' => ['string'],

src/Type/Php/ParseUrlFunctionDynamicReturnTypeExtension.php

@@ -36,12 +36,10 @@ public function isFunctionSupported(FunctionReflection $functionReflection): boo
 
 	public function getTypeFromFunctionCall(FunctionReflection $functionReflection, FuncCall $functionCall, Scope $scope): Type
 	{
-		$defaultReturnType = ParametersAcceptorSelector::selectSingle(
-			$functionReflection->getVariants()
-		)->getReturnType();
-
 		if (count($functionCall->args) < 1) {
-			return $defaultReturnType;
+			return ParametersAcceptorSelector::selectSingle(
+				$functionReflection->getVariants()
+			)->getReturnType();
 		}
 
 		$this->cacheReturnTypes();

tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php

@@ -5917,7 +5917,7 @@ public function dataFunctions(): array
 			],
 			// parse_url
 			[
-				'mixed',
+				'array|int|string|false|null',
 				'$parseUrlWithoutParameters',
 			],
 			[