tl;dr> I make a terrible assumption about Zend Optimizer+ and am corrected by Dominic in the comments;
Terrible post title I know but its the best I could come up with.
I’ve just come up for air after spending the majority of the day debugging some issues on our current development sandbox.
Now our sandbox tends to be quite bleeding edge in some circumstances and as such we run a fair few bits of unstable code. On the sandbox in question we have been running PHP 5.4.11 and unfortunately we have struggled to get APC working with it just the way we need it to. The lack of APC tends to make this sandbox quite slow.
We recently saw that Zend have open-sourced their OptimizerPlus extension (https://github.com/zend-dev/ZendOptimizerPlus) and that it was compatible with 5.4…. Fantastic, or so we thought.