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<?php readonly class Foobar { public function __construct(public string $foo) {} } try { $reflection = new ReflectionClass(Foobar::class); $obj = $reflection->newInstanceWithoutConstructor(); echo $obj->foo, PHP_EOL; } catch (Throwable $exception) { echo $exception->getMessage(), PHP_EOL, $exception::class, PHP_EOL, implode(PHP_EOL, class_parents($exception)); }
Output for git.master, git.master_jit
Typed property Foobar::$foo must not be accessed before initialization Error

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