PHP: Hypertext Preprocessor (original) (raw)
mb_strwidth
(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
mb_strwidth — Return width of string
Description
The fullwidth characters are:U+1100-U+115F,U+11A3-U+11A7,U+11FA-U+11FF,U+2329-U+232A,U+2E80-U+2E99,U+2E9B-U+2EF3,U+2F00-U+2FD5,U+2FF0-U+2FFB,U+3000-U+303E,U+3041-U+3096,U+3099-U+30FF,U+3105-U+312D,U+3131-U+318E,U+3190-U+31BA,U+31C0-U+31E3,U+31F0-U+321E,U+3220-U+3247,U+3250-U+32FE,U+3300-U+4DBF,U+4E00-U+A48C,U+A490-U+A4C6,U+A960-U+A97C,U+AC00-U+D7A3,U+D7B0-U+D7C6,U+D7CB-U+D7FB,U+F900-U+FAFF,U+FE10-U+FE19,U+FE30-U+FE52,U+FE54-U+FE66,U+FE68-U+FE6B,U+FF01-U+FF60,U+FFE0-U+FFE6,U+1B000-U+1B001,U+1F200-U+1F202,U+1F210-U+1F23A,U+1F240-U+1F248,U+1F250-U+1F251,U+20000-U+2FFFD,U+30000-U+3FFFD. All other characters are halfwidth characters.
Parameters
string
The string being decoded.
encoding
The encodingparameter is the character encoding. If it is omitted or [null](reserved.constants.php#constant.null), the internal character encoding value will be used.
Return Values
The width of string string.
Changelog
| Version | Description |
|---|---|
| 8.0.0 | encoding is nullable now. |
Examples
Example #1 mb_strwidth() example
<?php var_dump( mb_strwidth('a'), // LATIN SMALL LETTER A mb_strwidth("\u{ff41}") // FULLWIDTH LATIN SMALL LETTER A ); ?>
The above example will output:
See Also
- mb_strimwidth() - Get truncated string with specified width
- mb_internal_encoding() - Set/Get internal character encoding
Found A Problem?
17 years ago
Note: mb_strwidth is NOT returning bytes. It's returning the width of monotype characters. (In some languages, some characters will take up 2 character widths if displayed in monotype.)
11 years ago
Important, if you're looking to trim/cut/truncate a string so that it will fit a certain byte size (for example to fit in a database field), look at: mb_strcut()