On Feb 18, 2014, at 10:10 AM, Faidon Liambotis faidon@wikimedia.org wrote:
However, last I heard, platform engineering is focusing on HHVM now instead, so I'm not sure if it actually makes sense to spend resources to move to PHP 5.4 right now.
Just as a data point, Wikia already runs php 5.4 in production. If I remember correctly there were some things that had to be fixed around the (deprecated in 5.3) call time pass by reference “feature” being removed, but it wasn’t much effort at all.