php while循环记录循环次数的例子

//记录while循环的次数
//by bbs.it-home.org
   $link = mysql_connect('localhost','root','pwd');
   mysql_select_db('db');
   $sql = "select region_id,local_name from regions where region_grade=1";
   $result = mysql_query($sql);
 $i =0;
  while ($row= mysql_fetch_assoc($result)) {
        $list[$i]['text']=$row['local_name'];
        $list[$i]['value']=$row['region_id'];
        $i++;
   }
  $list = json_encode($list);
  echo   $list;
?>

记录下吧，说不好哪天就用上了。