Return width of string

mb_strtoupper
mb_substitute_character
Multibyte String Functions
PHP Manual

# mb_strwidth

(PHP 4 >= 4.0.6, PHP 5)

mb_strwidth — Return width of string

### Description

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

Returns the width of string `str`.

Multi-byte characters are usually twice the width of single byte characters.

Characters width
Chars | Width
--- | ---
U+0000 - U+0019 | 0
U+0020 - U+1FFF | 1
U+2000 - U+FF60 | 2
U+FF61 - U+FF9F | 1
U+FFA0 - | 2

### Parameters

`str`

  The string being decoded.

`encoding`

  The `encoding` parameter is the character encoding. If it is omitted, the internal character encoding value will be used.

### Return Values

The width of string `str`.

### See Also

- mb_strimwidth() - Get truncated string with specified width
- mb_internal_encoding() - Set/Get internal character encoding

mb_strtoupper
mb_substitute_character
Multibyte String Functions
PHP Manual