phpstan-src/tests/PHPStan/Analyser/nsrt/get-parent-class.php at a06cd93173447ba120169ae125cafa96ce8850ba · phpstan-bot/phpstan-src · GitHub

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<?php

namespace ParentClass;

use function PHPStan\Testing\assertType;

class Foo
{

	public function doFoo()
	{
		assertType('false', get_parent_class());
		assertType('false', get_parent_class($this));
		assertType('class-string<$this(ParentClass\Foo)>', get_class($this));
		assertType('\'ParentClass\\\\Foo\'', get_class());
	}

}

class Bar extends Foo
{

	use FooTrait;

	public function doBar()
	{
		assertType('\'ParentClass\\\\Foo\'', get_parent_class());
		assertType('\'ParentClass\\\\Foo\'', get_parent_class($this));
	}

}

function (string $s) {
	assertType('false', get_parent_class());
	assertType('class-string|false', get_parent_class($s));
	assertType('false', get_parent_class(\ParentClass\Foo::class));
	assertType('class-string|false', get_parent_class(NonexistentClass::class));
	assertType('class-string|false', get_parent_class(1));
	assertType('\'ParentClass\\\\Foo\'', get_parent_class(\ParentClass\Bar::class));
	assertType('false', get_class());
};

trait FooTrait
{

	public function doBaz()
	{
		assertType('class-string|false', get_parent_class());
		assertType('class-string|false', get_parent_class($this));
	}

}