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MGHollander on 06/13/12

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Last Edited at 06/13/12 07:58pm

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Unaccent a string

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Unaccent a string.

An example string like Ã€Ã˜Ä—Ã¿á¾œá½¨Î¶á½…Ð‘ÑŽ will be translated to AOeyIOzoBY.

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/**
 * Unaccent a string 
 *
 * An example string like Ã€Ã˜Ä—Ã¿á¾œá½¨Î¶á½…Ð‘ÑŽ will be translated to AOeyIOzoBY. 
 * More complete than :
 *
 *  strtr(
 *      (string)$str,
 *      "Ã€ÃÃ‚ÃƒÃ„Ã…Ã Ã¡Ã¢Ã£Ã¤Ã¥Ã’Ã“Ã”Ã•Ã–Ã˜Ã²Ã³Ã´ÃµÃ¶Ã¸ÃˆÃ‰ÃŠÃ‹Ã¨Ã©ÃªÃ«Ã‡Ã§ÃŒÃÃŽÃÃ¬ÃÃ®Ã¯Ã™ÃšÃ›ÃœÃ¹ÃºÃ»Ã¼Ã¿Ã‘Ã±",
 *      "aaaaaaaaaaaaooooooooooooeeeeeeeecciiiiiiiiuuuuuuuuynn"
 *  );
 *
 * @author http://www.evaisse.net/2008/php-translit-remove-accent-unaccent-21001
 * @param $str input string
 * @param $utf8 if null, function will detect input string encoding
 * @return string input string without accent
 */
function removeAccents($str, $utf8 = true) {
    $str = (string) $str;
    if (is_null($utf8)) {
        if (!function_exists('mb_detect_encoding')) {
            $utf8 = (strtolower(mb_detect_encoding($str)) == 'utf-8');
        } else {
            $length = strlen($str);
            $utf8 = true;
            
            for ($i = 0; $i < $length; $i++) {
                $c = ord($str[$i]);
                
                if ($c < 0x80) $n = 0; // 0bbbbbbb
                elseif (($c & 0xE0) == 0xC0) $n = 1; // 110bbbbb
                elseif (($c & 0xF0) == 0xE0) $n = 2; // 1110bbbb
                elseif (($c & 0xF8) == 0xF0) $n = 3; // 11110bbb
                elseif (($c & 0xFC) == 0xF8) $n = 4; // 111110bb
                elseif (($c & 0xFE) == 0xFC) $n = 5; // 1111110b
                else return false; // Does not match any model
                
                for ($j = 0; $j < $n; $j++) { // n bytes matching 10bbbbbb follow ?
                    if ((++$i == $length) || ((ord($str[$i]) & 0xC0) != 0x80)) {
                        $utf8 = false;
                        break;
                    }
                }
            }
        }
    }
    
    if (!$utf8) {
        $str = utf8_encode($str);
    }
    
    $transliteration = array(
        'Ä²' => 'I', 'Ã–' => 'O', 'Å’' => 'O', 'Ãœ' => 'U', 'Ã¤' => 'a', 'Ã¦' => 'a',
        'Ä³' => 'i', 'Ã¶' => 'o', 'Å“' => 'o', 'Ã¼' => 'u', 'ÃŸ' => 's', 'Å¿' => 's',
        'Ã€' => 'A', 'Ã' => 'A', 'Ã‚' => 'A', 'Ãƒ' => 'A', 'Ã„' => 'A', 'Ã…' => 'A',
        'Ã†' => 'A', 'Ä€' => 'A', 'Ä„' => 'A', 'Ä‚' => 'A', 'Ã‡' => 'C', 'Ä†' => 'C',
        'ÄŒ' => 'C', 'Äˆ' => 'C', 'ÄŠ' => 'C', 'ÄŽ' => 'D', 'Ä' => 'D', 'Ãˆ' => 'E',
        'Ã‰' => 'E', 'ÃŠ' => 'E', 'Ã‹' => 'E', 'Ä’' => 'E', 'Ä˜' => 'E', 'Äš' => 'E',
        'Ä”' => 'E', 'Ä–' => 'E', 'Äœ' => 'G', 'Äž' => 'G', 'Ä ' => 'G', 'Ä¢' => 'G',
        'Ä¤' => 'H', 'Ä¦' => 'H', 'ÃŒ' => 'I', 'Ã' => 'I', 'ÃŽ' => 'I', 'Ã' => 'I',
        'Äª' => 'I', 'Ä¨' => 'I', 'Ä¬' => 'I', 'Ä®' => 'I', 'Ä°' => 'I', 'Ä´' => 'J',
        'Ä¶' => 'K', 'Ä½' => 'K', 'Ä¹' => 'K', 'Ä»' => 'K', 'Ä¿' => 'K', 'Å' => 'L',
        'Ã‘' => 'N', 'Åƒ' => 'N', 'Å‡' => 'N', 'Å…' => 'N', 'ÅŠ' => 'N', 'Ã’' => 'O',
        'Ã“' => 'O', 'Ã”' => 'O', 'Ã•' => 'O', 'Ã˜' => 'O', 'ÅŒ' => 'O', 'Å' => 'O',
        'ÅŽ' => 'O', 'Å”' => 'R', 'Å˜' => 'R', 'Å–' => 'R', 'Åš' => 'S', 'Åž' => 'S',
        'Åœ' => 'S', 'È˜' => 'S', 'Å ' => 'S', 'Å¤' => 'T', 'Å¢' => 'T', 'Å¦' => 'T',
        'Èš' => 'T', 'Ã™' => 'U', 'Ãš' => 'U', 'Ã›' => 'U', 'Åª' => 'U', 'Å®' => 'U',
        'Å°' => 'U', 'Å¬' => 'U', 'Å¨' => 'U', 'Å²' => 'U', 'Å´' => 'W', 'Å¶' => 'Y',
        'Å¸' => 'Y', 'Ã' => 'Y', 'Å¹' => 'Z', 'Å»' => 'Z', 'Å½' => 'Z', 'Ã ' => 'a',
        'Ã¡' => 'a', 'Ã¢' => 'a', 'Ã£' => 'a', 'Ä' => 'a', 'Ä…' => 'a', 'Äƒ' => 'a',
        'Ã¥' => 'a', 'Ã§' => 'c', 'Ä‡' => 'c', 'Ä' => 'c', 'Ä‰' => 'c', 'Ä‹' => 'c',
        'Ä' => 'd', 'Ä‘' => 'd', 'Ã¨' => 'e', 'Ã©' => 'e', 'Ãª' => 'e', 'Ã«' => 'e',
        'Ä“' => 'e', 'Ä™' => 'e', 'Ä›' => 'e', 'Ä•' => 'e', 'Ä—' => 'e', 'Æ’' => 'f',
        'Ä' => 'g', 'ÄŸ' => 'g', 'Ä¡' => 'g', 'Ä£' => 'g', 'Ä¥' => 'h', 'Ä§' => 'h',
        'Ã¬' => 'i', 'Ã' => 'i', 'Ã®' => 'i', 'Ã¯' => 'i', 'Ä«' => 'i', 'Ä©' => 'i',
        'Ä' => 'i', 'Ä¯' => 'i', 'Ä±' => 'i', 'Äµ' => 'j', 'Ä·' => 'k', 'Ä¸' => 'k',
        'Å‚' => 'l', 'Ä¾' => 'l', 'Äº' => 'l', 'Ä¼' => 'l', 'Å€' => 'l', 'Ã±' => 'n',
        'Å„' => 'n', 'Åˆ' => 'n', 'Å†' => 'n', 'Å‰' => 'n', 'Å‹' => 'n', 'Ã²' => 'o',
        'Ã³' => 'o', 'Ã´' => 'o', 'Ãµ' => 'o', 'Ã¸' => 'o', 'Å' => 'o', 'Å‘' => 'o',
        'Å' => 'o', 'Å•' => 'r', 'Å™' => 'r', 'Å—' => 'r', 'Å›' => 's', 'Å¡' => 's',
        'Å¥' => 't', 'Ã¹' => 'u', 'Ãº' => 'u', 'Ã»' => 'u', 'Å«' => 'u', 'Å¯' => 'u',
        'Å±' => 'u', 'Å' => 'u', 'Å©' => 'u', 'Å³' => 'u', 'Åµ' => 'w', 'Ã¿' => 'y',
        'Ã½' => 'y', 'Å·' => 'y', 'Å¼' => 'z', 'Åº' => 'z', 'Å¾' => 'z', 'Î‘' => 'A',
        'Î†' => 'A', 'á¼ˆ' => 'A', 'á¼‰' => 'A', 'á¼Š' => 'A', 'á¼‹' => 'A', 'á¼Œ' => 'A',
        'á¼' => 'A', 'á¼Ž' => 'A', 'á¼' => 'A', 'á¾ˆ' => 'A', 'á¾‰' => 'A', 'á¾Š' => 'A',
        'á¾‹' => 'A', 'á¾Œ' => 'A', 'á¾' => 'A', 'á¾Ž' => 'A', 'á¾' => 'A', 'á¾¸' => 'A',
        'á¾¹' => 'A', 'á¾º' => 'A', 'á¾¼' => 'A', 'Î’' => 'B', 'Î“' => 'G', 'Î”' => 'D',
        'Î•' => 'E', 'Îˆ' => 'E', 'á¼˜' => 'E', 'á¼™' => 'E', 'á¼š' => 'E', 'á¼›' => 'E',
        'á¼œ' => 'E', 'á¼' => 'E', 'á¿ˆ' => 'E', 'Î–' => 'Z', 'Î—' => 'I', 'Î‰' => 'I',
        'á¼¨' => 'I', 'á¼©' => 'I', 'á¼ª' => 'I', 'á¼«' => 'I', 'á¼¬' => 'I', 'á¼' => 'I',
        'á¼®' => 'I', 'á¼¯' => 'I', 'á¾˜' => 'I', 'á¾™' => 'I', 'á¾š' => 'I', 'á¾›' => 'I',
        'á¾œ' => 'I', 'á¾' => 'I', 'á¾ž' => 'I', 'á¾Ÿ' => 'I', 'á¿Š' => 'I', 'á¿Œ' => 'I',
        'Î˜' => 'T', 'Î™' => 'I', 'ÎŠ' => 'I', 'Îª' => 'I', 'á¼¸' => 'I', 'á¼¹' => 'I',
        'á¼º' => 'I', 'á¼»' => 'I', 'á¼¼' => 'I', 'á¼½' => 'I', 'á¼¾' => 'I', 'á¼¿' => 'I',
        'á¿˜' => 'I', 'á¿™' => 'I', 'á¿š' => 'I', 'Îš' => 'K', 'Î›' => 'L', 'Îœ' => 'M',
        'Î' => 'N', 'Îž' => 'K', 'ÎŸ' => 'O', 'ÎŒ' => 'O', 'á½ˆ' => 'O', 'á½‰' => 'O',
        'á½Š' => 'O', 'á½‹' => 'O', 'á½Œ' => 'O', 'á½' => 'O', 'á¿¸' => 'O', 'Î ' => 'P',
        'Î¡' => 'R', 'á¿¬' => 'R', 'Î£' => 'S', 'Î¤' => 'T', 'Î¥' => 'Y', 'ÎŽ' => 'Y',
        'Î«' => 'Y', 'á½™' => 'Y', 'á½›' => 'Y', 'á½' => 'Y', 'á½Ÿ' => 'Y', 'á¿¨' => 'Y',
        'á¿©' => 'Y', 'á¿ª' => 'Y', 'Î¦' => 'F', 'Î§' => 'X', 'Î¨' => 'P', 'Î©' => 'O',
        'Î' => 'O', 'á½¨' => 'O', 'á½©' => 'O', 'á½ª' => 'O', 'á½«' => 'O', 'á½¬' => 'O',
        'á½' => 'O', 'á½®' => 'O', 'á½¯' => 'O', 'á¾¨' => 'O', 'á¾©' => 'O', 'á¾ª' => 'O',
        'á¾«' => 'O', 'á¾¬' => 'O', 'á¾' => 'O', 'á¾®' => 'O', 'á¾¯' => 'O', 'á¿º' => 'O',
        'á¿¼' => 'O', 'Î±' => 'a', 'Î¬' => 'a', 'á¼€' => 'a', 'á¼' => 'a', 'á¼‚' => 'a',
        'á¼ƒ' => 'a', 'á¼„' => 'a', 'á¼…' => 'a', 'á¼†' => 'a', 'á¼‡' => 'a', 'á¾€' => 'a',
        'á¾' => 'a', 'á¾‚' => 'a', 'á¾ƒ' => 'a', 'á¾„' => 'a', 'á¾…' => 'a', 'á¾†' => 'a',
        'á¾‡' => 'a', 'á½°' => 'a', 'á¾°' => 'a', 'á¾±' => 'a', 'á¾²' => 'a', 'á¾³' => 'a',
        'á¾´' => 'a', 'á¾¶' => 'a', 'á¾·' => 'a', 'Î²' => 'b', 'Î³' => 'g', 'Î´' => 'd',
        'Îµ' => 'e', 'Î' => 'e', 'á¼' => 'e', 'á¼‘' => 'e', 'á¼’' => 'e', 'á¼“' => 'e',
        'á¼”' => 'e', 'á¼•' => 'e', 'á½²' => 'e', 'Î¶' => 'z', 'Î·' => 'i', 'Î®' => 'i',
        'á¼ ' => 'i', 'á¼¡' => 'i', 'á¼¢' => 'i', 'á¼£' => 'i', 'á¼¤' => 'i', 'á¼¥' => 'i',
        'á¼¦' => 'i', 'á¼§' => 'i', 'á¾' => 'i', 'á¾‘' => 'i', 'á¾’' => 'i', 'á¾“' => 'i',
        'á¾”' => 'i', 'á¾•' => 'i', 'á¾–' => 'i', 'á¾—' => 'i', 'á½´' => 'i', 'á¿‚' => 'i',
        'á¿ƒ' => 'i', 'á¿„' => 'i', 'á¿†' => 'i', 'á¿‡' => 'i', 'Î¸' => 't', 'Î¹' => 'i',
        'Î¯' => 'i', 'ÏŠ' => 'i', 'Î' => 'i', 'á¼°' => 'i', 'á¼±' => 'i', 'á¼²' => 'i',
        'á¼³' => 'i', 'á¼´' => 'i', 'á¼µ' => 'i', 'á¼¶' => 'i', 'á¼·' => 'i', 'á½¶' => 'i',
        'á¿' => 'i', 'á¿‘' => 'i', 'á¿’' => 'i', 'á¿–' => 'i', 'á¿—' => 'i', 'Îº' => 'k',
        'Î»' => 'l', 'Î¼' => 'm', 'Î½' => 'n', 'Î¾' => 'k', 'Î¿' => 'o', 'ÏŒ' => 'o',
        'á½€' => 'o', 'á½' => 'o', 'á½‚' => 'o', 'á½ƒ' => 'o', 'á½„' => 'o', 'á½…' => 'o',
        'á½¸' => 'o', 'Ï€' => 'p', 'Ï' => 'r', 'á¿¤' => 'r', 'á¿¥' => 'r', 'Ïƒ' => 's',
        'Ï‚' => 's', 'Ï„' => 't', 'Ï…' => 'y', 'Ï' => 'y', 'Ï‹' => 'y', 'Î°' => 'y',
        'á½' => 'y', 'á½‘' => 'y', 'á½’' => 'y', 'á½“' => 'y', 'á½”' => 'y', 'á½•' => 'y',
        'á½–' => 'y', 'á½—' => 'y', 'á½º' => 'y', 'á¿ ' => 'y', 'á¿¡' => 'y', 'á¿¢' => 'y',
        'á¿¦' => 'y', 'á¿§' => 'y', 'Ï†' => 'f', 'Ï‡' => 'x', 'Ïˆ' => 'p', 'Ï‰' => 'o',
        'ÏŽ' => 'o', 'á½ ' => 'o', 'á½¡' => 'o', 'á½¢' => 'o', 'á½£' => 'o', 'á½¤' => 'o',
        'á½¥' => 'o', 'á½¦' => 'o', 'á½§' => 'o', 'á¾ ' => 'o', 'á¾¡' => 'o', 'á¾¢' => 'o',
        'á¾£' => 'o', 'á¾¤' => 'o', 'á¾¥' => 'o', 'á¾¦' => 'o', 'á¾§' => 'o', 'á½¼' => 'o',
        'á¿²' => 'o', 'á¿³' => 'o', 'á¿´' => 'o', 'á¿¶' => 'o', 'á¿·' => 'o', 'Ð' => 'A',
        'Ð‘' => 'B', 'Ð’' => 'V', 'Ð“' => 'G', 'Ð”' => 'D', 'Ð•' => 'E', 'Ð' => 'E',
        'Ð–' => 'Z', 'Ð—' => 'Z', 'Ð˜' => 'I', 'Ð™' => 'I', 'Ðš' => 'K', 'Ð›' => 'L',
        'Ðœ' => 'M', 'Ð' => 'N', 'Ðž' => 'O', 'ÐŸ' => 'P', 'Ð ' => 'R', 'Ð¡' => 'S',
        'Ð¢' => 'T', 'Ð£' => 'U', 'Ð¤' => 'F', 'Ð¥' => 'K', 'Ð¦' => 'T', 'Ð§' => 'C',
        'Ð¨' => 'S', 'Ð©' => 'S', 'Ð«' => 'Y', 'Ð' => 'E', 'Ð®' => 'Y', 'Ð¯' => 'Y',
        'Ð°' => 'A', 'Ð±' => 'B', 'Ð²' => 'V', 'Ð³' => 'G', 'Ð´' => 'D', 'Ðµ' => 'E',
        'Ñ‘' => 'E', 'Ð¶' => 'Z', 'Ð·' => 'Z', 'Ð¸' => 'I', 'Ð¹' => 'I', 'Ðº' => 'K',
        'Ð»' => 'L', 'Ð¼' => 'M', 'Ð½' => 'N', 'Ð¾' => 'O', 'Ð¿' => 'P', 'Ñ€' => 'R',
        'Ñ' => 'S', 'Ñ‚' => 'T', 'Ñƒ' => 'U', 'Ñ„' => 'F', 'Ñ…' => 'K', 'Ñ†' => 'T',
        'Ñ‡' => 'C', 'Ñˆ' => 'S', 'Ñ‰' => 'S', 'Ñ‹' => 'Y', 'Ñ' => 'E', 'ÑŽ' => 'Y',
        'Ñ' => 'Y', 'Ã°' => 'd', 'Ã' => 'D', 'Ã¾' => 't', 'Ãž' => 'T', 'áƒ' => 'a',
        'áƒ‘' => 'b', 'áƒ’' => 'g', 'áƒ“' => 'd', 'áƒ”' => 'e', 'áƒ•' => 'v', 'áƒ–' => 'z',
        'áƒ—' => 't', 'áƒ˜' => 'i', 'áƒ™' => 'k', 'áƒš' => 'l', 'áƒ›' => 'm', 'áƒœ' => 'n',
        'áƒ' => 'o', 'áƒž' => 'p', 'áƒŸ' => 'z', 'áƒ ' => 'r', 'áƒ¡' => 's', 'áƒ¢' => 't',
        'áƒ£' => 'u', 'áƒ¤' => 'p', 'áƒ¥' => 'k', 'áƒ¦' => 'g', 'áƒ§' => 'q', 'áƒ¨' => 's',
        'áƒ©' => 'c', 'áƒª' => 't', 'áƒ«' => 'd', 'áƒ¬' => 't', 'áƒ' => 'c', 'áƒ®' => 'k',
        'áƒ¯' => 'j', 'áƒ°' => 'h',
    );
    
    return str_replace(array_keys($transliteration), array_values($transliteration), $str);
}

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