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<?php
$array_test = array("status"=>0,"desc"=>iconv("gbk","utf-8","成功"),"title"=>iconv("gbk","utf-8","我的博客"),"blogId"=>"100");//将中文的gbk转为utf-8，便于json_encode编码，否则中文为空：gbk的PHP文件必须转为utf-8的编码。
$result = json_encode($array_test);
print_r($result);
$json2array = json_decode($result,True);//True让它转为数组,这里特别注意！
$json2array['desc'] = iconv("utf-8","gbk",$json2array['desc']);//将utf-8---->gbk2312 浏览器用Charset:GBK2312显示才能正常
$json2array['title'] = iconv("utf-8","gbk",$json2array['title']);//同上
//去掉上面两行，浏览器在Utf-8下面显示中文正常，Charset:GBK2312下不正常，乱码！
print_r($json2array);
?>

function zhjson($v){
    if(is_array($v)){
      foreach($v as $key =>$value){
        $v[$key]=zhjson($value);
      }
      return $v;
    }else{
      return iconv("gb2312","utf-8",$v);
    }
  }

  function addslashes_array(&$ar)
  {
    if (is_array ( $ar ))
    {
      foreach ( $ar as $key => $ar_sub )
      {
        $this->addslashes_array ( $ar [$key] );
      }
    }
    else if (is_string ( $ar ))
    {
      $ar = addslashes ( $ar );
    }
  }