After a while it got to the point where I’d walk in give an easy five minute coding exercise walk out and give a thumbs up or down. They could use any language editor or tool they wanted. We even provided a few alternatives they could pick from in case they just had a weird mental block on our preferred one.
Others would make sure that they weren’t too insane personality wise.
Other team members were constantly shocked by candidates that were verbally great but couldn’t do deal with hashes or arrays at all.