> Which companies are you referring to?

None specifically - I'm just interested in pivot points where companies decided to switch from technology x to technology z, and what made them do it.

> When did that happen? If everyone did "leave PHP", what will happen to all those websites:

Sorry, bad phrasing. I meant, "When did people stop deciding to greenlight new projects using PHP?"

> Here's an article you may find interesting:

Thanks!

> A chart like this does not exist.

Would you be interested in such a chart? or perhaps a tweaked version?