How to determine which version of PHP you are using
If you're programming with PHP at some point you will need to know which version you are using.
Posted in these interests:
If you're using OSX you can open Terminal by typing:
cmd + space baror just going to Applications -> Utilities and clicking on the Terminal icon.
On the command line in Terminal type:
php -vThe -v flag means version. This will show you which version of PHP you are using. For more options to the php command you can type man php.