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