> > Doesn't mb_substr implement the character stuff? Yes, that covers a character offset and a character count to return. mb calls don't know anything about graphemes, of course. (At one point I considered adding a 'grapheme mode' to the mb API though.) grapheme_extract is different, I think, because it is bridging graphemes and bytes/characters. I don't know of an mb function like that - there's no mb_extract.
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