Depends on your environment. I'm often asked if I'm familiar with Joomla | Wordpress | <insert PHP framework here>. For a lot companies, their entire infrastru

Depends on your environment. I'm often asked if I'm familiar with Joomla | Wordpress | <insert PHP framework here>. For a lot companies, their entire infrastructure is a stack open source software and I don't think it's unreasonable to ask if someone is fluent in, say, LAMP.