> I would also say you'll probably be using SVN and not git.

According to http://www.itjobswatch.co.uk/jobs/uk/php.do these are the number of PHP jobs asking for Git and Subversion respectively in the UK in the past six months:

Git: 2244 jobs Subversion: 1559 jobs

So no, you're actually more likely to be asked for Git than SVN.