php正则过滤替换标点符号

function getEregWord($word, $type = '')
{
    // Filter 英文标点符号
    $word = preg_replace("/[[:punct:]]/i", $type, $word);
    // Filter 中文标点符号
    mb_regex_encoding('utf-8');
    $char = "。、！？：；﹑•＂…‘’“”〝〞∕¦‖—　〈〉﹞﹝「」‹›〖〗】【»«』『〕〔》《﹐¸﹕︰﹔！¡？¿﹖﹌﹏﹋＇´ˊˋ―﹫︳︴¯＿￣﹢﹦﹤‐­˜﹟﹩﹠﹪﹡﹨﹍﹉﹎﹊ˇ︵︶︷︸︹︿﹀︺︽︾ˉ﹁﹂﹃﹄︻︼（）";
    $word = mb_ereg_replace("[" . $char . "]", $type, $word, "UTF-8");
    // Filter 连续空格
    $word = preg_replace("/\s+/", $type, $word);
    if ($word) {
        $wordTmp = explode(',', $word);
        $word = $wordTmp ? implode(',', array_unique(array_filter($wordTmp))) : '';
    }

    return $word;
}