file_get_contents()函数

$data = file_get_contents('http://www.zgjmwl.com/jinshui/pro_one/ceshi_a.php');
 var_dump(substr($data,3));
 //用php读取json数据;
 //substr($data,3)去掉BOM头
 $data_arr = json_decode(substr($data,3),true);
 echo $data_arr["user"];