Fatal error: Uncaught Swoole\Exception: Swoole\WebSocket\Server can only be used in CLI mode in /home/wwwroot/swoole/index.php:3 Stack trace: #0 /home/wwwroot/swoole/index.php(3): Swoole\Server->__construct('0.0.0.0', 9502) #1 {main} thrown in /home/wwwroot/swoole/index.php on line 3