- // 第二页面 name="frame2.php"
- include "../signup/mysql.php";
- header("Expires: Sun, 28 Dec 1997 09:32:45 GMT");
- header("Cache-Control: no-cache, must-revalidate");
- header("Pragma: no-cache");
- header("Content-Type: text/html; charset=${Charset}");
- $current_time=time();
- $delete_time=$current_time-40;
- $sql="delete from chat_user where last_time<".$delete_time;
- mysql_query($sql)or die("false again");
- $sql="update chat_user set last_time='$current_time'where userid='$userid'";
- mysql_query($sql) or die("false");
- $sql="select userid from chat_user";
- $result=mysql_query($sql)or die("fallse");
- $online=mysql_num_rows($result);
- ?>
在线人数
- $sql="select userid,id,sex from chat_user";
- $result=mysql_query($sql)or die("fallse");
- while($row=mysql_fetch_array($result)){
- $user=$row['userid'];
- $user="".$row["id"];
- echo $user."(".$row["sex"].")";
- }
- ?>
- (人)
来源: https://www.php1.cn/detail/php-20bbad05ca.html