> Widely known because the token names were surfaced to users in error messages, so some common syntax mistakes would produce deeply unhelpful "Unexpected T_PAAMAYIM_NEKUDOTAYIM" errors. Hopefully they eventually did something about it, but it was like that for years and was one of the many things that put me off PHP for life.
One can like or dislike PHP for a variety of reasons, but surely being put off it for life because a non-English string is exposed to the end user is a bit much.