if(file_exists($result['save_path'])){
  $contents=file_get_contents($result['save_path']);//将一个文件的内容写入,文件是utf-8格式,里面是json格式的数据
  //$getcontent = iconv("gbk", "utf-8//ignore",$contents);//若文件原本是utf-8格式,无需转换
  $getcontent=str_replace("'", '"',$contents);//将单引替换成双引
  preg_replace('/,\s*([\]}])/m', '$1', $getcontent);//去掉多余的逗号
  $new_array=array();
  $new_array=json_decode($getcontent,true);
  $res=array();
  foreach ($new_array as $key=>$val){
   foreach ($new_array[$key]['items'] as $k=>$v){
    if($k<$row){
     $res[$k]['position']=$v['position'];
     $res[$k]['distance']=$v['distance'];
     $res[$k]['title']=urlencode($v['title']);
     $res[$k['vicinity']=urlencode($v['vicinity']);
    }
   }
  }
 if($res){
 $new_res['items']=$res;
 }else{
 $new_res['items']="";
 }
 echo urldecode(json_encode($new_res));
}