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mb_strtoupper mb_substitute_character Multibyte String PHP Manual mb_strwidth (PHP 4 >= 4.0.6, 5) — Return width of string Description int ( $str [, $encoding ] ) mb_strwidth() returns string ...
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Multibyte String
PHP Manual

mb_strwidth

(PHP 4 >= 4.0.6, PHP 5)

mb_strwidth — Return width of string

Description

int mb_strwidth ( string $str [, string $encoding ] )

mb_strwidth() returns width of string str .

Multi-byte character usually twice of width compare to single byte character.

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

encoding is character encoding. If it is omitted, internal encoding is used.

See also: mb_strimwidth(), mb_internal_encoding().

Multibyte String
PHP Manual