The first experience in web development (freelance), with payment [on hold]

I understand that this issue has been raised repeatedly But I have my own unique case Interested in freelancing, earning a living, so that's a way. Tell me where to start and how to get your hands on the fastest web programming (backend - php)? I have a few options are risen: participation in the Open sourse projects, enter the development team, participate in competitions ... Tell me which version is easier, and allows you to immediately make money if not great (I do not need millions of currently-evaluate themselves objectively) $ 200-300, the main thing that was enough to rent an apartment, and of bread. I would be very grateful to you if you ask your options, or to the right in the right direction. Thank you for understanding