OPCache is PHP’s default OPCode cache mechanism, which’s been introduced and freed with PHP5.5 release. You can use
it for 5.3, 5.4 or 5.5. This talk will detail how OPCache works, what it does to PHP and how to set it up so that you
can deal with maximum performance and stability.
We’ll recall how PHP works, how its engine works, and how OPCache interacts with this complex machine to effectively
accelerate it. OPcode cache solutions won’t have any secret to you at the end of this talk.