A few weeks back we introduced the ability to switch your environment between PHP 5.6 and PHP 7. We’re happy to announce today that the ability to use HHVM has also been added to our Google Cloud plans.
HHVM is great because it provides 2-5x better performance than the official PHP FastCGI interpreter. To make sure you can test your website before making the switch (which you should) you can also select HHVM for your test environments.
Before you use HHVM on your live site please note the following: