One of the things most developers face is dealing with time calculations and logging. In this lesson we play around with the DateTime class and see how useful it can be. 

We start off with a simple example where we set the $date variable to today's date (Line 3).

We then format the date into the Year-month-day format.

The nice thing about the DateTime class is that we can also do things like this:

...and this:

We can also perform calculations. We have already used this function in this tutorial.