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Website Programming in PHP / MYSQL
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.
| 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 .
