如何把unicode编码转化为gbk编码？ [复制链接]

在处理淘宝联盟论坛对接淘宝敏感词系统的时候，由于他们那边的返回结果是使用json格式的，我们论坛的编码是gbk。
所以就遇到了个纠结的问题，得先让他们把编码处理成unicode（\uab34），我们这边再进行转化成gbk
我们先来看看代码吧：
/**
  *
  * unicode编码解析成utf-8编码
  *
  * @author qiaozhou 2011-9-9
  * @param string $name 原始字符
  * @return string $name 解码后的字符
  */
function unicode2gbk($str){
  // 转换编码，将Unicode编码转换成可以浏览的utf-8编码
  $str = preg_replace_callback('/\\\\u([a-f0-9]{4})/', 'uniDecode', $str);
  $str = iconv('utf-8', 'gbk', $str);
  
  return $str;
}
/**
*
* 解析unicode字符串 qiaozhou 2011-9-13
*
* @param string $str
*/
function uniDecode($matches){
$str = $matches[0];
if (!empty($str)){
  $result = '';

  if (strpos($str, '\\u') === 0){
   $code = base_convert(substr($str, 2, 2), 16, 10);
   $code2 = base_convert(substr($str, 4), 16, 10);
   $c = chr($code).chr($code2);
   $c = iconv('UCS-2BE', 'UTF-8', $c);
   $result .= $c;
  }else{
   $result .= $str;
  }
}
  
return $result;
}
注意：
这个UCS-2BE这边不能用UCS-2来用哦，网上很多代码都是用UCS-2来的。
要不windows下和linux下的返回结果会不一致的，这个问题让我纠结了一天呢。

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顶你哥，很早以前看google 音乐的时候碰到过，他的编码就是 unicode 的，不过你的需要不是很明白，没有明白json格式转gbk

我做了一个艰难的决定 加点分给你