php 解决json gbk编码中文null问题

解决办法：把gbk编码转换为utf-8编码

/** * gbk编码转utf-8 * @param unknown $data * @return multitype: */function gbk2utf8($data){    if(is_array($data)){        return array_map('gbk2utf8', $data);        }    return iconv('gbk', 'utf-8', $data);}$arr=array('id'=>1,'name'=>'小王');echo json_encode(gbk2utf8($arr));