Revert "Remove nullable type after calling HeaderBag::has"

This reverts commit 7389207.

Author: ondrejmirtes

extension.neon

@@ -298,14 +298,5 @@ services:
 
 	# InputBag::get() type specification
 	-
-		factory: PHPStan\Type\Symfony\BagTypeSpecifyingExtension
+		factory: PHPStan\Type\Symfony\InputBagTypeSpecifyingExtension
 		tags: [phpstan.typeSpecifier.methodTypeSpecifyingExtension]
-		arguments:
-		    className: Symfony\Component\HttpFoundation\InputBag
-
-	# HeaderBag::get() type specification
-	-
-		factory: PHPStan\Type\Symfony\BagTypeSpecifyingExtension
-		tags: [phpstan.typeSpecifier.methodTypeSpecifyingExtension]
-		arguments:
-		    className: Symfony\Component\HttpFoundation\HeaderBag

src/Type/Symfony/BagTypeSpecifyingExtension.php renamed to src/Type/Symfony/InputBagTypeSpecifyingExtension.php

@@ -11,30 +11,21 @@
 use PHPStan\Reflection\MethodReflection;
 use PHPStan\Type\MethodTypeSpecifyingExtension;
 use PHPStan\Type\NullType;
+use Symfony\Component\HttpFoundation\InputBag;
 
-final class BagTypeSpecifyingExtension implements MethodTypeSpecifyingExtension, TypeSpecifierAwareExtension
+final class InputBagTypeSpecifyingExtension implements MethodTypeSpecifyingExtension, TypeSpecifierAwareExtension
 {
 
+	private const INPUT_BAG_CLASS = InputBag::class;
 	private const HAS_METHOD_NAME = 'has';
 	private const GET_METHOD_NAME = 'get';
 
 	/** @var TypeSpecifier */
 	private $typeSpecifier;
 
-	/** @var class-string */
-	private $className;
-
-	/**
-	 * @param class-string $className
-	 */
-	public function __construct(string $className)
-	{
-		$this->className = $className;
-	}
-
 	public function getClass(): string
 	{
-		return $this->className;
+		return self::INPUT_BAG_CLASS;
 	}
 
 	public function isMethodSupported(MethodReflection $methodReflection, MethodCall $node, TypeSpecifierContext $context): bool

tests/Type/Symfony/ExtensionTest.php

@@ -15,7 +15,7 @@ class ExtensionTest extends TypeInferenceTestCase
 	public function dataFileAsserts(): iterable
 	{
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/envelope_all.php');
-		yield from $this->gatherAssertTypes(__DIR__ . '/data/header_bag.php');
+		yield from $this->gatherAssertTypes(__DIR__ . '/data/header_bag_get.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/response_header_bag_get_cookies.php');
 
 		if (class_exists('Symfony\Component\HttpFoundation\InputBag')) {

tests/Type/Symfony/data/header_bag.php renamed to tests/Type/Symfony/data/header_bag_get.php

@@ -4,12 +4,6 @@
 
 $bag = new \Symfony\Component\HttpFoundation\HeaderBag(['foo' => ['bar']]);
 
-if ($bag->has('bar')) {
-	assertType('string', $bag->get('bar'));
-} else {
-	assertType('null', $bag->get('bar'));
-}
-
 assertType('string|null', $bag->get('foo'));
 assertType('string|null', $bag->get('foo', null));
 assertType('string', $bag->get('foo', 'baz'));