I make just under $15 an hour at my job (Full time PHP Programming)
The reason I settled for so little is because it is a steady income, and it will be there EVERY MONTH.. It is also a startup company, and I have been promised ownership in the company, and a LOT of benefits.
However, on the side, I make $50 - $100 an hour depending on how long the project takes me.
Hope this helps a little!