On Feb 18, 2014, at 10:10 AM, Faidon Liambotis <faidon(a)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.