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# mb_convert_kana

(PHP 4 >= 4.0.6)

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

## Description

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

Warning
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change in a future release of PHP without notice. Be warned and use this function at your own risk.

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.

    Applicable Conversion Options

           option : Specify with conversion of following options. Default "KV"
           "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 "zen-kaku" alphabets and numbers to "han-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
    /* 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");

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