This is how we got "fibers" in PHP and they are absolutely worthless. With async/await, I can choose or choose not to wait for the result. Or I can trigger the

This is how we got "fibers" in PHP and they are absolutely worthless. With async/await, I can choose or choose not to wait for the result. Or I can trigger the work asynchronously and wait on it later, in an entirely different function. With Fibers, you cannot choose. You must wait, and you must wait now.