(PHP 4 >= 4.0.6, PHP 5, PHP 7)
Return width of string
int mb_strwidth ( string $str [, string $encoding = mb_internal_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.
Returns:
The width of string str.
See also:
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