Some informed opinions at: <a href="http:&#x2F;&#x2F;www.infoq.com&#x2F;presentations&#x2F;php-history" rel="nofollow">http:&#x2F;&#x2F;www.infoq.com&#x2F;presentations&#x2F;php-history</a> and its HN discussion: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=7054294" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=7054294</a><p>(I remembered seeing some other fb engineering talk on youtube around the release of hhvm on similar themes, a lot of extolling the edit&#x2F;save&#x2F;shift-ctl-r workflow and so on, and tried to find that one, but this is what came up.)