Demand for web designing positions tends to stay consistent, even during recessions.It has been researched in U.S that girls are more interested in the creative side, while boys are more interested in the competitive side.So the girls can use their creative mind in web development/designing viz. PHP.
They need to do a PHP course. It includes loads of practical application-building exercises and real-life examples.
1.Essential PHP elements: language structure, data types, operators, application design
2.Strings and Functions.
4.PHP with (X)HTML
5.HTTP & HTTPS
7.Cookies and Sessions
8.Files management & Uploading to Server.