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# mb_strwidth

(PHP 4 >= 4.0.6)

mb_strwidth -- Return width of string

## Description

``int mb_strwidth` (string str [, string encoding])`

Warning
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().

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