logout.php

这是使用ＰＨＰ编程的虚拟社区ＭySQL的简易版

<?
  include "config.inc.php";
  include "func.php";

function DelOnline() {
  global $ONLINE_TABLE,$USER_ATTR_TABLE,$DEFAULT_USER;
  global $id,$userid;

  if ($userid!=$DEFAULT_USER) {
    $SQL="SELECT * FROM $ONLINE_TABLE WHERE id='$id'";

    $result=mysql_query($SQL) or die(mysql_error());
    $row=mysql_fetch_Array($result);

    $login_time=$row[login_time];
    $login_ip=$row[login_ip];

    $status=0;

    $SQL="UPDATE $USER_ATTR_TABLE SET
            status='$status',last_time='$login_time',last_ip='$login_ip'
          WHERE userid='$userid'";

    mysql_query($SQL) or die(mysql_error());

    $SQL="DELETE FROM $ONLINE_TABLE WHERE id='$id'";
    mysql_query($SQL) or die(mysql_error());

  }
}


  ReadUserid();
  DelOnline();
  header("Location: login.php\n");
  exit;

?>