Install and test php swoole extension

Description: a) I have a vps server with centos 7, apache, php 7 enabled and mysql b) I installed php swoole but it need to be fixed because it does not show active in phpinfo page c) Tasks: - Fix php swoole installation - Install the examples from repository - Test some examples in the command line - Test some examples in the browser url d) I give ftp access to the vps if needed e) I give root access to the vps if needed f) The control panel is not cpanel, but the webuzo panel, and I give access if needed