(PHP 4 >= 4.0.6)

mb_strwidth -- Return width of string


int mb_strwidth (string str [, string encoding])


This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change in a future release of PHP without notice. Be warned and use this function at your own risk.

mb_strwidth() returns width of string str.

Multi-byte character usually twice of width compare to single byte character.

Character width

       U+0000 - U+0019   0
       U+0020 - U+1FFF   1
       U+2000 - U+FF60   2
       U+FF61 - U+FF9F   1
       U+FFA0 -          2

encoding is character encoding. If it is omitted, internal encoding is used.

See also: mb_strimwidth(), mb_internal_encoding().