Aug 17, 2025 · Aug 17, 2025 · Aug 19, 2025 · Aug 21, 2025 · Aug 21, 2025 · Aug 21, 2025
diff --git a/tests/PHPStan/Analyser/nsrt/bug-11441.php b/tests/PHPStan/Analyser/nsrt/bug-11441.php
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,39 @@
	<?php declare(strict_types=1);

	namespace Bug11441;

	use function PHPStan\Testing\assertType;

	class Foo {
	public function getParam(): ?string {
	return 'foo';
	}

	/** @phpstan-assert !null $this->getParam() */
	public function checkNotNull(): void {
	if ($this->getParam() === null) {
	throw new \Exception();
	}
	}
	}

	class Bar {
	public function getParam(): ?int {
	return 1;
	}

	/** @phpstan-assert !null $this->getParam() */
	public function checkNotNull(): void {
	if ($this->getParam() === null) {
	throw new \Exception();
	}
	}
	}

	function test(Foo\|Bar $obj): void {
	assertType('int\|string\|null', $obj->getParam());

	$obj->checkNotNull();

	assertType('int\|string', $obj->getParam());
	}