Multibyte String 函数
PHP 手册

mb_strwidth

(PHP 4 >= 4.0.6, PHP 5)

mb_strwidthReturn width of string

说明

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

参数

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.

返回值

The width of string str .

参见


Multibyte String 函数
PHP 手册