Step Twelve: MySQL and PHP
Once you have a grounding in the two pieces separately, it's time to bring them together. A "mysql php tutorial" will serve you well here. There are many, many, of them on the web. The more of them you run, the stronger you'll be.
If the last step was play time, this is advance play time. Start simple, but invent problems that are just a little harder for you, and then repeat.
When you triumph at this step, you will be an accomplished web programmer. You will have the tools to create rich (and commercial) web sites.