It seems like PHP7 is missing here totally, also some comment about why skip PHP6 version would be nice.
PHP 在过去的几年里走过了漫长的道路。成长为处理 web 的最卓越的语言并非易事。如果对 PHP 如何发展到今天很感兴趣，那么请继续读下去吧。以前的 PHP 发行版可以在 » PHP 博物馆找到。
It seems like PHP7 is missing here totally, also some comment about why skip PHP6 version would be nice.