Interesting error I'd never seen before today...

Parse error: syntax error, unexpected '.', expecting T_PAAMAYIM_NEKUDOTAYIM
Quite scary looking, but it just means it's expecting "::" or in my case, "..", turns out it's due to the Israeli PHP developers having a hand in it (it's Hebrew for "double dots"). Would be nice to have a bit more of a description in English, but for future reference, it should be easy to remember!