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在我的登录 Controller 中,我已将所有用户数据存储在 session 中。我也通过打印验证了
all_userdata();
当重定向到另一个 Controller home时, session 被破坏。请帮我解决这个问题。 session 数据如下。
Array
(
[session_id] => 11c8450a10e6f944c97f13841ccea0c2
[ip_address] => 127.0.0.1
[user_agent] => Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36
[last_activity] => 1408779229
[user_data] =>
[id] => 432
[empid] => 1024
[username] =>
[email] => <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="8ee9f8fdf8e7e0eff7efe5cee9e3efe7e2a0ede1e3" rel="noreferrer noopener nofollow">[email protected]</a>
[fullname] => G V S Vinayak
[usertype] => staff
[logged_in] => 1
[access] => Array
(
[menu] => Array
(
[0] => Array
(
[menu_title] => Home
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[parent] => 0
[id] => 1
)
[1] => Array
(
[menu_title] => Blocked Domains
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[parent] => 0
[id] => 2
)
[2] => Array
(
[menu_title] => List of Companies
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[parent] => 0
[id] => 3
)
[3] => Array
(
[menu_title] => Full Registrations
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[parent] => 3
[id] => 4
)
[4] => Array
(
[menu_title] => Partial Registrations
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[parent] => 3
[id] => 5
)
[5] => Array
(
[menu_title] => Staff
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[parent] => 0
[id] => 6
)
[6] => Array
(
[menu_title] => Add Satff
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[parent] => 6
[id] => 8
)
[7] => Array
(
[menu_title] => View All
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[parent] => 6
[id] => 9
)
[8] => Array
(
[menu_title] => Cloud Instances
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[parent] => 0
[id] => 7
)
[9] => Array
(
[menu_title] => Search
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[parent] => 0
[id] => 10
)
)
[companytabs] => Array
(
[0] => Array
(
[tab_name] => Company Profile
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[id] => 1
)
[1] => Array
(
[tab_name] => VM Details
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[id] => 2
)
[2] => Array
(
[tab_name] => Support
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[id] => 3
)
[3] => Array
(
[tab_name] => Monitors
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[id] => 4
)
[4] => Array
(
[tab_name] => Users
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[id] => 5
)
[5] => Array
(
[tab_name] => Orders
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[id] => 6
)
[6] => Array
(
[tab_name] => Invoices
[can_edit] => 1
[can_delete] => 1
[can_view] => 1
[id] => 7
)
)
)
)
最佳答案
这与我在 IE7/IE8 上测试时遇到的问题相同。
我在这里找到了一个解决方案:http://www.philsbury.co.uk/blog/code-igniter-sessions
有人第三方修复了这个问题,它修补了 session Controller 。查看上面的链接内容,
解决方案:
1) 为此,您必须在 application/libraries 目录中创建一个新文件 Session.php。
2) 将以下源代码复制到新创建的文件中。
<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* Session class using native PHP session features and hardened against session fixation.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Sessions
* @author Dariusz Debowczyk
* @link http://www.codeigniter.com/user_guide/libraries/sessions.html
*/
class CI_Session {
var $flash_key = 'flash'; // prefix for "flash" variables (eg. flash:new:message)
function CI_Session()
{
$this->object =& get_instance();
log_message('debug', "Native_session Class Initialized");
$this->_sess_run();
}
/**
* Regenerates session id
*/
function regenerate_id()
{
// copy old session data, including its id
$old_session_id = session_id();
$old_session_data = $_SESSION;
// regenerate session id and store it
session_regenerate_id();
$new_session_id = session_id();
// switch to the old session and destroy its storage
session_id($old_session_id);
session_destroy();
// switch back to the new session id and send the cookie
session_id($new_session_id);
session_start();
// restore the old session data into the new session
$_SESSION = $old_session_data;
// update the session creation time
$_SESSION['regenerated'] = time();
// session_write_close() patch based on this thread
// http://www.codeigniter.com/forums/viewthread/1624/
// there is a question mark ?? as to side affects
// end the current session and store session data.
session_write_close();
}
/**
* Destroys the session and erases session storage
*/
function destroy()
{
unset($_SESSION);
if ( isset( $_COOKIE[session_name()] ) )
{
setcookie(session_name(), '', time()-42000, '/');
}
session_destroy();
}
/**
* Reads given session attribute value
*/
function userdata($item)
{
if($item == 'session_id'){ //added for backward-compatibility
return session_id();
}else{
return ( ! isset($_SESSION[$item])) ? false : $_SESSION[$item];
}
}
/**
* Sets session attributes to the given values
*/
function set_userdata($newdata = array(), $newval = '')
{
if (is_string($newdata))
{
$newdata = array($newdata => $newval);
}
if (count($newdata) > 0)
{
foreach ($newdata as $key => $val)
{
$_SESSION[$key] = $val;
}
}
}
/**
* Erases given session attributes
*/
function unset_userdata($newdata = array())
{
if (is_string($newdata))
{
$newdata = array($newdata => '');
}
if (count($newdata) > 0)
{
foreach ($newdata as $key => $val)
{
unset($_SESSION[$key]);
}
}
}
/**
* Starts up the session system for current request
*/
function _sess_run()
{
session_start();
$session_id_ttl = $this->object->config->item('sess_expiration');
if (is_numeric($session_id_ttl))
{
if ($session_id_ttl > 0)
{
$this->session_id_ttl = $this->object->config->item('sess_expiration');
}
else
{
$this->session_id_ttl = (60*60*24*365*2);
}
}
// check if session id needs regeneration
if ( $this->_session_id_expired() )
{
// regenerate session id (session data stays the
// same, but old session storage is destroyed)
$this->regenerate_id();
}
// delete old flashdata (from last request)
$this->_flashdata_sweep();
// mark all new flashdata as old (data will be deleted before next request)
$this->_flashdata_mark();
}
/**
* Checks if session has expired
*/
function _session_id_expired()
{
if ( !isset( $_SESSION['regenerated'] ) )
{
$_SESSION['regenerated'] = time();
return false;
}
$expiry_time = time() - $this->session_id_ttl;
if ( $_SESSION['regenerated'] <= $expiry_time )
{
return true;
}
return false;
}
/**
* Sets "flash" data which will be available only in next request (then it will
* be deleted from session). You can use it to implement "Save succeeded" messages
* after redirect.
*/
function set_flashdata($key, $value)
{
$flash_key = $this->flash_key.':new:'.$key;
$this->set_userdata($flash_key, $value);
}
/**
* Keeps existing "flash" data available to next request.
*/
function keep_flashdata($key)
{
$old_flash_key = $this->flash_key.':old:'.$key;
$value = $this->userdata($old_flash_key);
$new_flash_key = $this->flash_key.':new:'.$key;
$this->set_userdata($new_flash_key, $value);
}
/**
* Returns "flash" data for the given key.
*/
function flashdata($key)
{
$flash_key = $this->flash_key.':old:'.$key;
return $this->userdata($flash_key);
}
/**
* PRIVATE: Internal method - marks "flash" session attributes as 'old'
*/
function _flashdata_mark()
{
foreach ($_SESSION as $name => $value)
{
$parts = explode(':new:', $name);
if (is_array($parts) && count($parts) == 2)
{
$new_name = $this->flash_key.':old:'.$parts[1];
$this->set_userdata($new_name, $value);
$this->unset_userdata($name);
}
}
}
/**
* PRIVATE: Internal method - removes "flash" session marked as 'old'
*/
function _flashdata_sweep()
{
foreach ($_SESSION as $name => $value)
{
$parts = explode(':old:', $name);
if (is_array($parts) && count($parts) == 2 && $parts[0] == $this->flash_key)
{
$this->unset_userdata($name);
}
}
}
}
?>
3) 然后加载库,
$this->load->library('session');
关于php - 重定向后在 codeigniter 中销毁 session ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/25459807/
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