I started in PHP but moved away from it because everyone always wanted to pay less than a CS grad should/would get using other languages "because PHP programmers are supposed to be cheap." Which meant not only did I get paid less, but that my coworkers frequently had very questionable ideas and no CS fundamentals. "No, you can not secure/maintain a session by base64 encoding a user name and id and putting them in a url" is a conversation that really shouldn't have needed to to take place.