How do I know which PHP version I'm using and how to update it?
Hello, I'm very very new to web development and computing world and I've got a very basic question. I need to create a web app which supports login with Facebook. In order to do that, I need to use php. Although, Facebook api need php5.4+
How do I know which version of php is supported from my server?
Besides, If it's not 5.4+ how do I update it?
Thanks a lot for your support.