(PHP 8 >= 8.1.0)
ReflectionFiber::getCallable — Gets the callable used to create the Fiber
public ReflectionFiber::getCallable(): callable
Returns the callable used to construct the Fiber. If the fiber has terminated, an Error is thrown.
This function has no parameters.
The callable used to create the Fiber.
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https://www.php.net/manual/en/reflectionfiber.getcallable.php