This video was a continuation of 0.1.3. Jonathan continues with the PHP forms, and how to use them. He talks about the checkbox form, the radio form, and attributes; like one makes it so the text box cannot be edited, (called readonly). This is what it would look like:
And as a bonus at the end, he showed how to set up WAMP (Windows, Apache, MySQL, PHP), which is required to use most of the PHP stuff.