Encoding.php

<?php

/**
 * Class Encoding
 * Usage:
 * $text = Encoding::UTF8FixWin1252Chars($text);
 * $text = Encoding::replaceBroken($text);
 */
class Encoding {

    protected static $brokenList = array(
        "€"=>"€",     "À"=>"À",
        "‚"=>"‚",     "Á"=>"Ã",
        "ƒ"=>"Æ’",      "Â"=>"Â",
        "„"=>"„",     "Ã"=>"Ã",
        "…"=>"…",     "Ä"=>"Ä",
        "†"=>"â€",      "Å"=>"Ã…",
        "‡"=>"‡",     "Æ"=>"Æ",
        "ˆ"=>"ˆ",      "Ç"=>"Ç",
        "‰"=>"‰",     "È"=>"È",
        "Š"=>"Å",       "É"=>"É",
        "‹"=>"‹",     "Ê"=>"Ê",
        "Œ"=>"Å’",      "Ë"=>"Ë",
        "Ž"=>"Ž",      "Ì"=>"ÃŒ",
        "‘"=>"‘",     "Í"=>"Ã",
        "’"=>"’",     "Î"=>"ÃŽ",
        "“"=>"“",     "Ï"=>"Ã",
        "”"=>"â€",      "Ð"=>"Ã",
        "•"=>"•",     "Ñ"=>"Ñ",
        "–"=>"–",     "Ò"=>"Ã’",
        "—"=>"—",     "Ó"=>"Ó",
        "˜"=>"Ëœ",      "Ô"=>"Ô",
        "™"=>"â„¢",     "Õ"=>"Õ",
        "š"=>"Å¡",      "Ö"=>"Ö",
        "›"=>"›",     "×"=>"×",
        "œ"=>"Å“",      "Ø"=>"Ø",
        "ž"=>"ž",      "Ù"=>"Ù",
        "Ÿ"=>"Ÿ",      "Ú"=>"Ú",
        ""=>"Â",        "Û"=>"Û",
        "¡"=>"¡",      "Ü"=>"Ãœ",
        "¢"=>"¢",      "Ý"=>"Ã",
        "£"=>"£",      "Þ"=>"Þ",
        "¤"=>"¤",      "ß"=>"ß",
        "¥"=>"Â¥",      "à"=>"Ã",
        "¦"=>"¦",      "á"=>"á",
        "§"=>"§",      "â"=>"â",
        "¨"=>"¨",      "ã"=>"ã",
        "©"=>"©",      "ä"=>"ä",
        "ª"=>"ª",      "å"=>"Ã¥",
        "«"=>"«",      "æ"=>"æ",
        "¬"=>"¬",      "ç"=>"ç",
        ""=>"­",       "è"=>"è",
        "®"=>"®",      "é"=>"é",
        "¯"=>"¯",      "ê"=>"ê",
        "°"=>"°",      "ë"=>"ë",
        "±"=>"±",      "ì"=>"ì",
        "²"=>"²",      "í"=>"í",
        "³"=>"³",      "î"=>"î",
        "´"=>"´",      "ï"=>"ï",
        "µ"=>"µ",      "ð"=>"ð",
        "¶"=>"¶",      "ñ"=>"ñ",
        "·"=>"·",      "ò"=>"ò",
        "¸"=>"¸",      "ó"=>"ó",
        "¹"=>"¹",      "ô"=>"ô",
        "º"=>"º",      "õ"=>"õ",
        "»"=>"»",      "ö"=>"ö",
        "¼"=>"¼",      "÷"=>"÷",
        "½"=>"½",      "ø"=>"ø",
        "¾"=>"¾",      "ù"=>"ù",
        "¿"=>"¿",      "ú"=>"ú",
        "û"=>"û",      "ü"=>"ü",
        "ý"=>"ý",      "þ"=>"þ",
        "ÿ"=>"ÿ"
    );

    protected static $brokenUtf8ToUtf8 = array(
        "\xc2\x80" => "\xe2\x82\xac",
        "\xc2\x82" => "\xe2\x80\x9a",
        "\xc2\x83" => "\xc6\x92",
        "\xc2\x84" => "\xe2\x80\x9e",
        "\xc2\x85" => "\xe2\x80\xa6",
        "\xc2\x86" => "\xe2\x80\xa0",
        "\xc2\x87" => "\xe2\x80\xa1",
        "\xc2\x88" => "\xcb\x86",
        "\xc2\x89" => "\xe2\x80\xb0",
        "\xc2\x8a" => "\xc5\xa0",
        "\xc2\x8b" => "\xe2\x80\xb9",
        "\xc2\x8c" => "\xc5\x92",
        "\xc2\x8e" => "\xc5\xbd",
        "\xc2\x91" => "\xe2\x80\x98",
        "\xc2\x92" => "\xe2\x80\x99",
        "\xc2\x93" => "\xe2\x80\x9c",
        "\xc2\x94" => "\xe2\x80\x9d",
        "\xc2\x95" => "\xe2\x80\xa2",
        "\xc2\x96" => "\xe2\x80\x93",
        "\xc2\x97" => "\xe2\x80\x94",
        "\xc2\x98" => "\xcb\x9c",
        "\xc2\x99" => "\xe2\x84\xa2",
        "\xc2\x9a" => "\xc5\xa1",
        "\xc2\x9b" => "\xe2\x80\xba",
        "\xc2\x9c" => "\xc5\x93",
        "\xc2\x9e" => "\xc5\xbe",
        "\xc2\x9f" => "\xc5\xb8"
    );

    static function replaceBroken($text)
    {
        $out = $text;
        foreach(self::$brokenList as $replace=>$search){
            $len = mb_strlen($search,"UTF-8");
            if ($len == 3){
                $out = str_replace($search,$replace,$out);
            }
        }
        foreach(self::$brokenList as $replace=>$search){
            $len = mb_strlen($search,"UTF-8");
            if ($len == 2){
                $out = str_replace($search,$replace,$out);
            }
        }
        foreach(self::$brokenList as $replace=>$search){
            $len = mb_strlen($search,"UTF-8");
            if ($len == 1){
                $out = str_replace($search,$replace,$out);
            }
        }
        return $out;
    }

    static function UTF8FixWin1252Chars($text){
        return str_replace(array_keys(self::$brokenUtf8ToUtf8), array_values(self::$brokenUtf8ToUtf8), $text);
    }

}

I also had to add after line 86:
"\xc2\x8d" => "\xc3\xac",