(PHP 4 >= 4.0.6, PHP 5, PHP 7)

mb_strwidthReturn width of string


mb_strwidth ( string $str [, string $encoding = mb_internal_encoding() ] ) : int

Returns the width of string str, where halfwidth characters count as 1, and fullwidth characters count as 2.

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.



The string being decoded.


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

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top