te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>javascript - Browser back button showing the page from cache? - Stack Overflow

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    When I logout from wordpress website, it will be redirected to the login page. But the issue is, if I hit the browser back button, It will show the previous page, which need the authorization. I know, the page is being loaded from the browser cache and no interaction with the server is happening. But I need to force the page to reload if the user hit the browser back button.

    I did check the header and I could find the following

    Cache-Control:  no-cache, must-revalidate, max-age=0

    I have also tried by adding the following meta tags and it didn't work.

    <META HTTP-EQUIV="CACHE-CONTROL" CONTENT="NO-CACHE">
<META HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE">

    Please help

    When I logout from wordpress website, it will be redirected to the login page. But the issue is, if I hit the browser back button, It will show the previous page, which need the authorization. I know, the page is being loaded from the browser cache and no interaction with the server is happening. But I need to force the page to reload if the user hit the browser back button.

    I did check the header and I could find the following

    Cache-Control:  no-cache, must-revalidate, max-age=0

    I have also tried by adding the following meta tags and it didn't work.

    <META HTTP-EQUIV="CACHE-CONTROL" CONTENT="NO-CACHE">
<META HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE">

    Please help

    • javascript
    • php
    • wordpress
    • browser-cache
    Share Improve this question edited Nov 20, 2013 at 6:17 Nauphal asked Nov 20, 2013 at 6:05 NauphalNauphal 6,1824 gold badges29 silver badges43 bronze badges 1
    • madhatted./2013/6/16/you-do-not-understand-browser-history that can help =) – oCcSking Commented Apr 9, 2014 at 12:31
    Add a ment  | 

    2 Answers 2

    Reset to default 12

    I have tried by setting header like below and it worked like a charm!

    header("Cache-Control: private, must-revalidate,
        max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0"
      );

    Tried lot of solutions but only the below one worked out . Added below java script in the logout page. All the other solutions will work fine in browsers other than IE.

    window.onunload = function() {
    window.location.href = "<%=request.getContextPath()%>/logout.jsp";
};

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