(PHP 8 >= 8.1.0)
ReflectionFiber::getExecutingLine — Get the line number of the current execution point
Returns the line number of the current execution point in the reflected Fiber.
If the reflected fiber is used outside a user-defined function, null
is returned.
If the fiber has not been started or has terminated, an Error is thrown.
此函数没有参数。
The line number of the current execution point in the fiber.