phpstan-src/tests/PHPStan/Rules/Comparison/data/bug-13023.php at 4f8d0b3255643aeb441ceda3470f6d64bbf7df7b · phpstan-bot/phpstan-src · GitHub

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<?php declare(strict_types = 1); // lint >= 8.0

namespace Bug13023;

class SomeClass
{
	use MyTrait;
}

class SomeClass2
{
	use MyTrait;
}

trait MyTrait
{
	public function getRandom(): int
	{
		$value = random_int(1, 100);
		if (is_a($this, SomeClass::class)) {
			return $value * $value;
		}
		return $value;
	}
}

class SomeClass3
{
	use MyTrait2;

	public string $foo = 'foo';
}

class SomeClass4
{
	use MyTrait2;

	public int $foo = 1;
}

trait MyTrait2
{
	public function getRandom(): int
	{
		$value = random_int(1, 100);
		if (\is_int($this->foo)) {
			return $value * $value;
		}

		return $value;
	}
}

class SomeClass5
{
	use MyTrait3;

	public static string $bar = 'bar';
}

class SomeClass6
{
	use MyTrait3;

	public static int $bar = 1;
}

trait MyTrait3
{
	public function getRandom(): int
	{
		$value = random_int(1, 100);
		if (\is_int(self::$bar)) {
			return $value * $value;
		}
		if (\is_int(static::$bar)) {
			return $value * $value;
		}
		if (\is_int($this::$bar)) {
			return $value * $value;
		}

		return $value;
	}
}

class SomeClass7
{
	use MyTrait4;

	public ?string $baz = 'baz';
}

class SomeClass8
{
	use MyTrait4;

	public ?int $baz = 1;
}

trait MyTrait4
{
	public function getRandom(): int
	{
		$value = random_int(1, 100);
		if (\is_int($this?->baz)) {
			return $value * $value;
		}

		return $value;
	}
}

class HelloWorld
{
	use SomeTrait;

	public string $message = 'Hello';

	public function foo(): void
	{
		$this->bar();
	}
}

class EmptyClass {
	use SomeTrait;
}

trait SomeTrait {
	public function bar(): void
	{
		if (property_exists($this, 'message')) {
			if (! is_string($this->message)) {
				return;
			}

			echo $this->message . "\n";
		}
	}
}

class SomeClass9
{
	use MyTrait5;

	public string $prop = 'foo';
}

class SomeClass10
{
	use MyTrait5;

	public int $prop = 1;
}

trait MyTrait5
{
	public function getRandom(): int
	{
		$value = random_int(1, 100);
		if (!\is_int($this->prop)) {
			return $value;
		}

		return $value * $value;
	}
}