【发布时间】：2013-01-18 09:04:25
【问题描述】：
我试图弄清楚为什么下面的代码不会跨页面保留我的 $_SESSION['objSession'] 对象，除非我将序列化/反序列化保留在下面。我厌倦了手动序列化/反序列化以在会话中进行对象更改，人们一直说我不应该这样做，但我确实看到其他关于会话对象在没有它的情况下不会在网络上持续存在的抱怨，包括在堆栈上...... PHP 5.3 Apache 2.2 Windows 2008。
<?php require_once("/php/php_clsSession.php");?>
<?php session_start(); ?>
<?php
// Session Object Create/Log
$objSession = new clsSession;
if ( !(isset($_SESSION['objSession']) )) {
// This line will populate some properties in the obj
// like Session_ID and Create_dt
$objSession->CreateSession(session_id(),$_SERVER);
}
else {
// this code will only run if the session is already
// set
$objSession = unserialize($_SESSION['objSession']);
$objSession->UpdateSession(session_id(),$_SERVER);
}
// Update Session Object
$_SESSION['objSession'] = serialize($objSession);
unset($objSession);
?>
---- clsSession 在此行下方...您可以忽略 db 包含，因为代码在不使用 db 功能的情况下存在相同的问题，并且无论如何我暂时对 db 函数进行了注释...。
<?php
// -----------------------------------------------------------------
// Program Type: Class
// Program Name: clsSession
// Program Date: 01/08/2012 Programmer: Tim Wiley
// Description: Standard class for session creation/update
// -----------------------------------------------------------------
class clsSession {
// Properties
public $Session_Id = null;
public $Creation_Dt = null;
public $Action_Dt = null;
public $Session_IP_Address = null;
public $Browser_Type = null;
public $Display_Resolution = null;
public $Is_Https_Ind = null;
public $Is_Logged_In_Ind = 0;
public $User_Key = null;
public $User_Id = null;
public $Email_Address = null;
public $Request_Method = null;
public $Page_Requested = null;
public $Page_Request_Params = null;
public $Page_Action = null;
public $Login_Attempts = 0;
public $Max_Login_Attempts = 3;
private function UpdateSessionClassData (&$xSessionId = null, &$xSessionObj = null, &$xPageAction = "N/A" ) {
$this->Session_Id = &$xSessionId;
$this->Action_Dt = date( 'Y-m-d H:i:s', time( ));
$this->Session_IP_Address = substr(trim(&$xSessionObj['REMOTE_ADDR']),0,24);
$this->Browser_Type = substr(trim(&$xSessionObj['HTTP_USER_AGENT']),0,140);
$this->Request_Method = substr(trim(&$xSessionObj['REQUEST_METHOD']),0,24);
$this->Page_Requested = substr(trim(&$xSessionObj['SCRIPT_NAME']),0,140);
$this->Page_Request_Params = substr(trim(&$xSessionObj['QUERY_STRING']),0,140);
$this->Is_Https_Ind = &$xSessionObj['SERVER_PORT'] == 443 ? 1 : 0;
if (is_null($this->Display_Resolution)) {
require_once('/javascript/js_SaveScreenResolutionInCookie.js');
$this->Display_Resolution = !( IS_NULL( $_COOKIE['users_resolution'] )) ? substr(trim($_COOKIE['users_resolution']),0,16) : "N/A";
}
$this->Page_Action = substr(trim(&$xPageAction),0,32);
}
// Initialize Session objSession for $_SESSION
public function CreateSession($xSessionId = null, &$xSessionObj = null ) {
$this->Creation_Dt = date( 'Y-m-d H:i:s', time( ));
$this->UpdateSessionClassData(&$xSessionId, &$xSessionObj);
// $this->WriteSessionToDb();
}
// Update Session objSession for $_SESSION
public function UpdateSession($xSessionId = null, &$xSessionObj = null, $xPageAction = "N/A" ) {
$this->UpdateSessionClassData(&$xSessionId, &$xSessionObj, &$xPageAction);
// $this->WriteSessionActivityToDb();
}
// Writes the session data to database
public function WriteSessionToDb($xUserType = "Web") {
$objConnect = new clsDb;
$objDb = $objConnect->GetDbConnection($xUserType);
//$objDb = $this->GetDbConnection($xUserType);
$_InsertSQL = new PDOStatement;
$_InsertSQL = $objDb->prepare("INSERT INTO T_SESSION_STATS(" .
"F_ACTION_DT, F_SESSION_ID, F_SESSION_IP_ADDRESS, F_BROWSER_TYPE," .
"F_DISPLAY_RESOLUTION, F_PAGE_REQUESTED, F_PAGE_REQUEST_PARAMS," .
"F_REQUEST_METHOD, F_IS_HTTPS_IND, F_IS_LOGGED_IN_IND, F_USER_KEY)" .
"Values (?,?,?,?,?,?,?,?,?,?,?)");
$_InsertSQL->bindParam(1, $this->Action_Dt );
$_InsertSQL->bindParam(2, $this->Session_Id );
$_InsertSQL->bindParam(3, $this->Session_IP_Address );
$_InsertSQL->bindParam(4, $this->Browser_Type );
$_InsertSQL->bindParam(5, $this->Display_Resolution );
$_InsertSQL->bindParam(6, $this->Page_Requested );
$_InsertSQL->bindParam(7, $this->Page_Request_Params );
$_InsertSQL->bindParam(8, $this->Request_Method );
$_InsertSQL->bindParam(9, $this->Is_Https_Ind );
$_InsertSQL->bindParam(10, $this->Is_Logged_In_Ind );
$_InsertSQL->bindParam(11, $this->User_Key );
try {
$objDb->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$objDb->beginTransaction();
$_InsertSQL->execute();
$objDb->commit();
unset($objDb);
} catch (Exception $e) {
$objDb->rollBack();
echo "Failed: " . $e->getMessage();
unset($objDb);
unset($objConnect);
}
}
// Writes the session data to database
public function WriteSessionActivityToDb($xUserType = "Web",$xPageAction = "N/A") {
$objConnect = new clsDb;
$objDb = $objConnect->GetDbConnection($xUserType);
//$objDb = $this->GetDbConnection($xUserType);
$_InsertSQL = new PDOStatement;
$_InsertSQL = $objDb->prepare("INSERT INTO T_SESSION_ACTIVITIES(" .
"F_ACTION_DT, F_SESSION_ID, F_SESSION_IP_ADDRESS, " .
"F_PAGE_REQUESTED, F_PAGE_REQUEST_PARAMS," .
"F_REQUEST_METHOD, F_PAGE_ACTION, F_IS_HTTPS_IND, F_IS_LOGGED_IN_IND, F_USER_KEY)" .
"Values (?,?,?,?,?,?,?,?,?,?)");
$_InsertSQL->bindParam(1, $this->Action_Dt );
$_InsertSQL->bindParam(2, $this->Session_Id );
$_InsertSQL->bindParam(3, $this->Session_IP_Address );
$_InsertSQL->bindParam(4, $this->Page_Requested );
$_InsertSQL->bindParam(5, $this->Page_Request_Params );
$_InsertSQL->bindParam(6, $this->Request_Method );
$_InsertSQL->bindParam(7, substr(trim($xPageAction),0,32));
$_InsertSQL->bindParam(8, $this->Is_Https_Ind );
$_InsertSQL->bindParam(9, $this->Is_Logged_In_Ind );
$_InsertSQL->bindParam(10, $this->User_Key );
try {
$objDb->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$objDb->beginTransaction();
$_InsertSQL->execute();
$objDb->commit();
unset($objDb);
unset($objConnect);
} catch (Exception $e) {
$objDb->rollBack();
unset($objDb);
echo "Failed: " . $e->getMessage();
}
}
}
?>
【问题讨论】：
-
嘿，删除了另一边的一条虚假线路……只是错字，所以不要认为这是问题所在。
-
您看到了什么问题？检查时是否没有出现更改或
$_SESSION['objSession']为空？ -
thx Jim - isset 在辅助页面请求上测试为真，但最初使用 CreateSession 方法设置的属性值为空。我可以在相同的代码旁边创建另一个简单的 $_SESSION 变量，该代码只是文本/数字，并且它每次都会持续存在。
-
请也发布您的对象定义。
-
如果将
session_write_close()放在文件末尾（不使用 un-/serialize）会发生什么？
标签： php