I really like Swoole, but I don't understand why Swoole would ever need to remotely download files, and it's enough for me to move away to Open Swoole.
Apparently all this commotion is as a result of an argument between the founder of Swoole and Bruce. I hope they can work things out :(
"Swoole is a complete PHP async solution that has built-in support for async programming via fibers/coroutines, a range of multi-threaded I/O modules (HTTP Server, WebSockets, TaskWorkers, Process Pools) and support for popular PHP clients like PDO for MySQL, Redis and CURL."
TLDR: Async PHP framework