PHP has the uncanny double standard of being EXTREMELY popular on online freelance marketplaces, such as Upwork, but almost non-existent in traditional jobs. If you're looking to work for yourself, learn PHP and go freelance. If you'd prefer to work for the man, try Node.js, Python, Java, or another language popular for that career path. I'll show you how to succeed as a six-figure freelancer on Upwork.
You'll also learn the various caveats of each of the major online freelance marketplaces, such as Fiverr, Freelancer.com, and Upwork, so that you can make your own decisions on where to start your journey as a freelancer.