PHP7性能

PHP7性能获得得极大的提升，下面是我搜集的一些测试案例：

PHP7 VS HHVM (WordPress)

HHVM vs PHP 7 – The Competition Gets Closer! 

PHP 7.0 Is Showing Very Promising Performance Over PHP 5, Closing Gap With HHVM

PHP之父：PHP7 性能翻倍关键大揭秘

PHP7革新与性能优化