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