Re: simple katakana to romaji converter function

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Lapo Luchini wrote:
> I solved the problem this way

Or, complete with katakana...

$k2r = array('/??/' => 'kya', '/??/' => 'kyu', '/??/' => 'kyo', '/
??/' => 'gya', '/??/' => 'gyu', '/??/' => 'gyo', '/??/' =>
'sha', '/??/' => 'shu', '/??/' => 'sho', '/??/' => 'ja', '/??/'
=> 'ju', '/??/' => 'jo', '/??/' => 'cha', '/??/' => 'chu', '/??
/' => 'cho', '/??/' => 'ja', '/??/' => 'ju', '/??/' => 'jo', '/
??/' => 'nya', '/??/' => 'nyu', '/??/' => 'nyo', '/??/' =>
'hya', '/??/' => 'hyu', '/??/' => 'hyo', '/??/' => 'bya', '/??/'
=> 'byu', '/??/' => 'byo', '/??/' => 'pya', '/??/' => 'pyu', '/
??/' => 'pyo', '/??/' => 'mya', '/??/' => 'myu', '/??/' =>
'myo', '/??/' => 'rya', '/??/' => 'ryu', '/??/' => 'ryo', '/??/'
=> 'ye', '/??/' => 'wi', '/??/' => 'we', '/??/' => 'wo', '/??/'
=> 'kya', '/??/' => 'kyu', '/??/' => 'kyo', '/??/' => 'gya', '/
??/' => 'gyu', '/??/' => 'gyo', '/??/' => 'she', '/??/' =>
'sha', '/??/' => 'shu', '/??/' => 'sho', '/??/' => 'je', '/??/'
=> 'ja', '/??/' => 'ju', '/??/' => 'jo', '/??/' => 'che', '/??/'
=> 'cha', '/??/' => 'chu', '/??/' => 'cho', '/??/' => 'ja', '/??
/' => 'ju', '/??/' => 'jo', '/??/' => 'tsa', '/??/' => 'tsi', '/
??/' => 'tse', '/??/' => 'tso', '/??/' => 'ti', '/??/' => 'tyu',
'/??/' => 'di', '/??/' => 'dyu', '/??/' => 'tu', '/??/' => 'du',
'/??/' => 'nya', '/??/' => 'nyu', '/??/' => 'nyo', '/??/' =>
'hya', '/??/' => 'hyu', '/??/' => 'hyo', '/??/' => 'bya', '/??/'
=> 'byu', '/??/' => 'byo', '/??/' => 'pya', '/??/' => 'pyu', '/
??/' => 'pyo', '/??/' => 'fa', '/??/' => 'fi', '/??/' => 'fe',
'/??/' => 'fo', '/??/' => 'fyu', '/??/' => 'mya', '/??/' =>
'myu', '/??/' => 'myo', '/??/' => 'rya', '/??/' => 'ryu', '/??/'
=> 'ryo', '/??/' => 'va', '/??/' => 'vi', '/??/' => 've', '/??/'
=> 'vo', '/?/' => 'a', '/?/' => 'i', '/?/' => 'u', '/?/' => 'e', '/
?/' => 'o', '/?/' => 'ka', '/?/' => 'ga', '/?/' => 'ki', '/?/' =>
'gi', '/?/' => 'ku', '/?/' => 'gu', '/?/' => 'ke', '/?/' => 'ge', '/
?/' => 'ko', '/?/' => 'go', '/?/' => 'sa', '/?/' => 'za', '/?/' =>
'shi', '/?/' => 'ji', '/?/' => 'su', '/?/' => 'zu', '/?/' => 'se',
'/?/' => 'ze', '/?/' => 'so', '/?/' => 'zo', '/?/' => 'ta', '/?/'
=> 'da', '/?/' => 'chi', '/?/' => 'ji', '/?/' => 'tsu', '/?/' =>
'zu', '/?/' => 'te', '/?/' => 'de', '/?/' => 'to', '/?/' => 'do', '/
?/' => 'na', '/?/' => 'ni', '/?/' => 'nu', '/?/' => 'ne', '/?/' =>
'no', '/?/' => 'ha', '/?/' => 'ba', '/?/' => 'pa', '/?/' => 'hi', '/
?/' => 'bi', '/?/' => 'pi', '/?/' => 'fu', '/?/' => 'bu', '/?/' =>
'pu', '/?/' => 'he', '/?/' => 'be', '/?/' => 'pe', '/?/' => 'ho', '/
?/' => 'bo', '/?/' => 'po', '/?/' => 'ma', '/?/' => 'mi', '/?/' =>
'mu', '/?/' => 'me', '/?/' => 'mo', '/?/' => 'ya', '/?/' => 'yu', '/
?/' => 'yo', '/?/' => 'ra', '/?/' => 'ri', '/?/' => 'ru', '/?/' =>
're', '/?/' => 'ro', '/?/' => 'wa', '/?/' => 'wi', '/?/' => 'we', '/
?/' => 'wo', '/?/' => 'n', '/?/' => 'a', '/?/' => 'i', '/?/' =>
'u', '/?/' => 'e', '/?/' => 'o', '/?/' => 'ka', '/?/' => 'ga', '/?
/' => 'ki', '/?/' => 'gi', '/?/' => 'ku', '/?/' => 'gu', '/?/' =>
'ke', '/?/' => 'ge', '/?/' => 'ko', '/?/' => 'go', '/?/' => 'sa', '/
?/' => 'za', '/?/' => 'shi', '/?/' => 'ji', '/?/' => 'su', '/?/' =>
'zu', '/?/' => 'se', '/?/' => 'ze', '/?/' => 'so', '/?/' => 'zo', '/
?/' => 'ta', '/?/' => 'da', '/?/' => 'chi', '/?/' => 'ji', '/?/' =>
'tsu', '/?/' => 'zu', '/?/' => 'te', '/?/' => 'de', '/?/' => 'to',
'/?/' => 'do', '/?/' => 'na', '/?/' => 'ni', '/?/' => 'nu', '/?/'
=> 'ne', '/?/' => 'no', '/?/' => 'ha', '/?/' => 'ba', '/?/' => 'pa',
'/?/' => 'hi', '/?/' => 'bi', '/?/' => 'pi', '/?/' => 'fu', '/?/'
=> 'bu', '/?/' => 'pu', '/?/' => 'he', '/?/' => 'be', '/?/' => 'pe',
'/?/' => 'ho', '/?/' => 'bo', '/?/' => 'po', '/?/' => 'ma', '/?/'
=> 'mi', '/?/' => 'mu', '/?/' => 'me', '/?/' => 'mo', '/?/' => 'ya',
'/?/' => 'yu', '/?/' => 'yo', '/?/' => 'ra', '/?/' => 'ri', '/?/'
=> 'ru', '/?/' => 're', '/?/' => 'ro', '/?/' => 'wa', '/?/' => 'wi',
'/?/' => 'we', '/?/' => 'wo', '/?/' => 'n', '/?/' => 'vu', '/?/' =>
'va', '/?/' => 'vi', '/?/' => 've', '/?/' => 'vo', '/aa/' => '?',
'/e[ei]/' => '?', '/ii/' => '?', '/o[ou]/' => '?', '/uu/' => '?');

function romaji($kana) {
    global $k2r;
    return preg_replace(array_keys($k2r), array_values($k2r), $kana);
}

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