PHP 7.0.0 is alpha status so not ready for production live usage yet but it’s already almost 2x times faster performance than PHP 5.6.
You can test using the custom VM.
For those who asked how to get started testing PHP7. I have packaged up my dev environment in a Vagrant box: https://t.co/EOhyi17fPI
— Rasmus Lerdorf (@rasmus) January 28, 2015