Re: PHP True Async

On Mon, Feb 17, 2025, at 20:31, Edmond Dantes wrote: > > There should be no perceptible difference between a blocking sleep(10) and an async > > sleep(10), so what backwards compatibility are you referring to? > > For example, the behavior of the code below will not change. The code will execute > sequentially, and context switching will only occur when > resume/suspend is called. > > However, when the Scheduler is activated, this behavior > changes. Now, calling sleep() inside a > Fiber will lead to a context switch. > > If the activation of the Scheduler is implicit, previously > written code may not work as the developer expects. > > > <?php > > $fiber = new Fiber(function (): void { > echo "Start fiber\n"; > sleep(1); > Fiber::suspend("Paused"); > echo "Resume fiber\n"; > }); > > $result = $fiber->start(); > > echo "Fiber suspended with: $result\n"; > > sleep(10); > > $fiber->resume(); > > echo "Fiber finished\n"; I think what bilge was trying to point out is that there should be absolutely no change on existing software with or without the scheduler running (for software not using fibers). — Rob