# mb_convert_kana

(PHP 4 >= 4.0.6, PHP 5)

mb_convert_kana — Convert "kana" one from another ("zen-kaku", "han-kaku" and more)

### Description

string mb_convert_kana ( string `$str` [, string `$option` [, string `$encoding` ]] )

mb_convert_kana() performs "han-kaku" - "zen-kaku" conversion for string `str` . It returns converted string. This function is only useful for Japanese.

`option` is conversion option. Default value is "KV".

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

Specify with combination of following options. Default value is KV.

Applicable Conversion Options
Option | Meaning
--- | ---
r | Convert "zen-kaku" alphabets to "han-kaku"
R | Convert "han-kaku" alphabets to "zen-kaku"
n | Convert "zen-kaku" numbers to "han-kaku"
N | Convert "han-kaku" numbers to "zen-kaku"
a | Convert "zen-kaku" alphabets and numbers to "han-kaku"
A | Convert "han-kaku" alphabets and numbers to "zen-kaku" (Characters included in "a", "A" options are U+0021 - U+007E excluding U+0022, U+0027, U+005C, U+007E)
s | Convert "zen-kaku" space to "han-kaku" (U+3000 -> U+0020)
S | Convert "han-kaku" space to "zen-kaku" (U+0020 -> U+3000)
k | Convert "zen-kaku kata-kana" to "han-kaku kata-kana"
K | Convert "han-kaku kata-kana" to "zen-kaku kata-kana"
h | Convert "zen-kaku hira-gana" to "han-kaku kata-kana"
H | Convert "han-kaku kata-kana" to "zen-kaku hira-gana"
c | Convert "zen-kaku kata-kana" to "zen-kaku hira-gana"
C | Convert "zen-kaku hira-gana" to "zen-kaku kata-kana"
V | Collapse voiced sound notation and convert them into a character. Use with "K","H"

Example#1 mb_convert_kana() example

`<?php
/* Convert all "kana" to "zen-kaku" "kata-kana" */
$str = mb_convert_kana($str, "KVC");
/* Convert "han-kaku" "kata-kana" to "zen-kaku" "kata-kana"
and "zen-kaku" alpha-numeric to "han-kaku" */
$str = mb_convert_kana($str, "KVa");
?>`