Current is small extension for ExpressionEngine 2 that grabs some useful information about the current page and adds them as global variables.
Drop the ‘current’ folder inside of your third_party directory. Activate the extension through the Add-Ons → Extensions menu.
Current creates some global variables you can use to look cool.
The current URL of the page. Ex: http://www.example.com/shoes.
The total number of URL segments. Ex: For http://www.example.com/bread/rye, it would be ‘2’.
Returns the last URL segment. Ex: For For http://www.example.com/sounds/windchimes, it would return ‘windchimes’.