mb_fgetcsv 解決 fgetcsv 中文亂碼

<？php
/**
  * mb_fgetcsv
  *
  * 解結fgetcsv讀取中文亂碼函式
  *
  */

function mb_fgetcsv(&$handle, $length = null, $d = ",", $e = '"') {
 $d = preg_quote($d);
 $e = preg_quote($e);
 $_line = "";
 $eof=false;
 while ($eof != true) {
  $_line .= (empty ($length) ? fgets($handle) : fgets($handle, $length));
  $itemcnt = preg_match_all('/' . $e . '/', $_line, $dummy);
  if ($itemcnt % 2 == 0){
   $eof = true;
  }
 }
 
 $_csv_line = preg_replace('/(?: |[ ])?$/', $d, trim($_line));
 
 $_csv_pattern = '/(' . $e . '[^' . $e . ']*(?:' . $e . $e . '[^' . $e . ']*)*' . $e . '|[^' . $d . ']*)' . $d . '/';
 preg_match_all($_csv_pattern, $_csv_line, $_csv_matches);
 $_csv_data = $_csv_matches[1];
 
 for ($_csv_i = 0; $_csv_i < count($_csv_data); $_csv_i++) {
  $_csv_data[$_csv_i] = preg_replace("/^" . $e . "(.*)" . $e . "$/s", "$1", $_csv_data[$_csv_i]);
  $_csv_data[$_csv_i] = str_replace($e . $e, $e, $_csv_data[$_csv_i]);
 }
 
 return empty ($_line) ? false : $_csv_data;
}

？>