Under CentOS 7.3, I want to to execute a php file every three minutes.And it should be thread safety.But I don't know how to do with that.Some friend can help me?The path is :/Home/Controller/xy28.phpUpdatepath is:/opengame/Application/Home/Controller/xy28.phpSome one can help me with it? 
How to make the CentOS 7.3 to execute a php file every three minutes?
linux;centos