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好的，我很困惑。我有一个存储在会话中的对象。我可以添加项目到这个对象。到目前为止很简单。我初始化这样的对象：PHP会话混乱
$template = new Template($mysqli);
$_SESSION['template'] = serialize($template);
现在，这个应该创建一个崭新的品牌对象，并将其分配给会话。然后我有一些代码通过AJAX请求添加项目。该代码如下：
$template = unserialize($_SESSION['template']);
$prodid = $_GET['product_id'];
$template->addItem($prodid);
echo var_dump($template->getItems());
$_SESSION['template'] = serialize($template);
再次，应该很简单。现在是这个问题，第一个代码不应该重置$_SESSION['template']，所以我得到了迄今为止添加的所有项目，重新加载页面并不能解决问题。
我发现了导致恶作剧的文件，但我不知道我能做些什么。这是一个包含，它是网站不同部分的功能所必需的。我正在为网站添加功能，如果我删除了功能，我不认为所有者会这么做。这里的文件：
<?php
include_once('DBE.class.php') ;
################################################
# Function: Sessions_open
# Parameters: $path (string), $name (string)
# Returns: bool
# Description: This is an over-ride function call
# that we need to create so that the php internal
# session manager doesn't store our session in the
# file system, since we are storing it in the
# db. Storing a session in a file system on the
# server inhibits scalability for two reasons:
# 1: A large number of users may be hitting the site
# and clog the space on the hard-drive of the server
# due to the sheer amount of session files stored
# 2: The website may be behind a load-balancer and
# therefore the server handling the page request
# may not have the session stored on its file system
################################################
function Sessions_open ($path, $name) {
return TRUE ;
}
################################################
# Function: Sessions_close
# Parameters: N/A
# Returns: bool
# Description: This is an over-ride function call
# that we need to create so that the php internal
# session manager doesn't store our session in the
# file system, since we are storing it in the
# db. Storing a session in a file system on the
# server inhibits scalability for two reasons:
# 1: A large number of users may be hitting the site
# and clog the space on the hard-drive of the server
# due to the sheer amount of session files stored
# 2: The website may be behind a load-balancer and
# therefore the server handling the page request
# may not have the session stored on its file system
################################################
function Sessions_close() {
return TRUE ;
}
################################################
# Function: Sessions_read
# Parameters: $SessionID (string)
# Returns: (string) or (false) on error
# Description: This function is used at startup to read
# the contents of the session.
# If no sess data, the empty string ("") is returned.
# Otherwise, the serialized sess data is returned.
# On error, false is returned.
################################################
function Sessions_read ($SessionID) {
include_once('DBE.class.php') ;
$dbe = new DBE() ;
//default return value to false
$returnVal = FALSE ;
$query = "SELECT DataValue
FROM Sessions
WHERE SessionID = '$SessionID' " ;
$result = $dbe->Select($query) ;
if(count($result) == 1) {
$returnVal = $result[0]['DataValue'] ;
//update the session so that we don't time-out after creating
$query = "UPDATE Sessions
SET LastUpdated = NOW()
WHERE SessionID = '$SessionID'" ;
$dbe->Update($query) ;
} else {
//Insert here to simplify the write function
$query = "INSERT INTO Sessions (SessionID, DataValue) VALUES ('$SessionID', '')" ;
$dbe->Insert($query) ; //pass the insert stmt
//set returnVal to '' being that we didn't find the SessionID
$returnVal = '' ;
}
return($returnVal) ;
}
################################################
# Function: Sessions_write
# Parameters: $SessionID (string), $Data
# Returns: bool
# Description: This function is used at startup to read
# the contents of the session.
# If no sess data, the empty string ("") is returned.
# Otherwise, the serialized sess data is returned.
# On error, false is returned.
################################################
function Sessions_write($SessionID, $Data) {
include_once('DBE.class.php') ;
$dbe = new DBE() ;
//default to true
$returnVal = TRUE ;
//update the session
$query = "UPDATE Sessions
SET DataValue = '$Data'
WHERE SessionID = '$SessionID'" ;
$result = $dbe->Update($query) ; //pass the update stmt to the dbEngine..
//test for success
if($result == -1)
$returnVal = FALSE ;
//return the return value
return($returnVal) ;
}
################################################
# Function: Sessions_delete
# Parameters: $SessionID (string)
# Returns: bool
# Description: This function is used to delete the session
################################################
function Sessions_destroy($SessionID) {
include_once('DBE.class.php') ;
$dbe = new DBE() ;
$query = "DELETE FROM Sessions WHERE SessionID = '$SessionID' " ;
$dbe->Delete($query) ;
return(TRUE) ;
}
################################################
# Function: Sessions_delete
# Parameters: $SessionID (string)
# Returns: bool
# Description: This function is used to delete the session
################################################
function Sessions_gc($aMaxLifetime) {
include_once('DBE.class.php') ;
$dbe = new DBE() ;
$query = "DELETE FROM Sessions WHERE (UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(LastUpdated)) > $aMaxLifetime " ;
$dbe->Delete($query) ;
return(TRUE) ;
}
session_set_save_handler("Sessions_open", "Sessions_close",
"Sessions_read", "Sessions_write",
"Sessions_destroy", "Sessions_gc") ;
?>
我认为这是改变会议的基本功能，但我不太确定。这会导致我在重置会话中的模板时遇到麻烦。任何人有任何想法或知道我能做些什么来解决这个问题。我完全被难住，所以任何帮助，不胜感激。