On 6/12/09 11:52 AM, "Eddie Drapkin" <oorza...@gmail.com> wrote:

> Correct me if I'm wrong, but should varchar 255 with a utf8 character set mean
> 255 unicode characters, not octets?

in mysql, the length refers to the storage space of the string, not the
decoded character count. i don't know about other dbms.

> On Fri, Jun 12, 2009 at 11:50 AM, Tom Worster <f...@thefsb.org> wrote:
> say a table in the db has a varchar(255) column, 255 being the max number of
>> octets of strings that can go in the column. now say the php script very
>> occasionally has to deal with utf8 input strings with octet length > 255 --
>> it needs to select rows matching the input string or insert the input
>> string.
>> so what i think i need is a function to truncate a utf8 string to the
>> longest valid utf8 string that has octet length <= 255.
>> is this what mb_strcut() is for? i'm having a hard time understanding the
>> man page for that function.

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