PHP的会话存储行为成变量？

Question

this is only happening in Chrome 这仅在Chrome中发生

Has anyone ever experienced PHP sessions storing functional behavior into variables? 有没有人经历过将函数行为存储到变量中的PHP会话？ I created the following script: 我创建了以下脚本：

<?php
    session_start();

    $_SESSION['count'] = (isset($_SESSION['count'])) ? $_SESSION['count'] + 1 : 0;

   echo $_SESSION['count'];
?>

You'd think this would echo 0, 1, 2, 3, etc. on each page load. 您可能认为这会在每次加载页面时回显0、1、2、3等。 However, I'm getting 1, 3, 5, 7, and so on. 但是，我得到1、3、5、7，依此类推。 I found out that for some reason, $_SESSION['count'] acts as though its incrementing behavior has been stored within the variable. 我发现由于某种原因，$ _ SESSION ['count']的行为就好像其递增行为已存储在变量中。 The reason it seems to increase by two on each page load is because when $_SESSION['count'] is called, it's automatically increasing by one. 它似乎在每个页面加载时增加2的原因是，当调用$ _SESSION ['count']时，它会自动增加1。 To make it clear, the following script will output and higher number on each page load. 为了清楚起见，以下脚本将在每次加载页面时输出更高的编号。

<?php
    session_start();

    echo $_SESSION['count'];
?>

This will echo whatever $_SESSION['count'] was and then $_SESSION['count'] + 1 for every page load. 这将回显任何$ _SESSION ['count']，然后为每个页面加载$ _SESSION ['count'] + 1。 I've tried unsetting the session, clearing the $_SESSION variables, and creating new files in various directories with the same script. 我尝试取消会话设置，清除$ _SESSION变量，并使用相同的脚本在各个目录中创建新文件。 I also tried it on http://codepad.viper-7.com/ , and it works correctly. 我也在http://codepad.viper-7.com/上尝试过，它可以正常工作。 Anyone have an idea as to why this would happen? 任何人都知道为什么会发生这种情况吗？ I've experienced similar behavior today when setting a session variable to a random number. 今天，将会话变量设置为随机数时，我遇到了类似的行为。 On each page load, I get a new random number simply by echoing the variable. 在每次加载页面时，我只需通过回显变量即可获得一个新的随机数。 When I serialize or var_dump the variable, it simply gives back a string value. 当我序列化或var_dump变量时，它只是返回一个字符串值。

This is what I used to unset the session: 这是我用来取消会话的方法：

$_SESSION = array();
session_unset();
session_destroy();

I've tried the script on several browsers. 我已经在几种浏览器上尝试过该脚本。 IE and Firefox correctly increment by 1; IE和Firefox正确增加1； however Chrome increments by 2. Any idea why the browser could influence this? 但是Chrome会增加2。您知道为什么浏览器会对此产生影响吗？

EDIT: If I create a new script and change the variable, it works correctly. 编辑：如果我创建一个新的脚本并更改变量，它将正常工作。 What I've noticed is that whenever I require this script from index.php, such that index.php simply has , I begin to have this problem again. 我注意到的是，每当我需要index.php中的此脚本时（例如index.php只是具有），我都会再次遇到此问题。 So, something's going on with index.php. 因此，index.php发生了一些事情。 Could there be an issue with my .htaccess loading the page more than once? 我的.htaccess可能会多次加载页面吗？ Here it is: 这里是：

My .htaccess Options +FollowSymLinks 我的.htaccess选项+ FollowSymLinks

RewriteEngine on
RewriteBase /

RewriteCond %{HTTPS} !on
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}

DirectoryIndex /index.php
FallbackResource /index.php

#Allow cross domain AJAX
Header set Access-Control-Allow-Origin *

RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L]

EDIT AGAIN: Per user2086860's request in the comments, I'm going to run through the complete code flow. 再次编辑：根据注释中每个user2086860的请求，我将遍历完整的代码流。

First, I create a script with the following code: 首先，我用以下代码创建一个脚本：

 <?php
     session_start();

     $_SESSION['counter'] = (isset($_SESSION['counter'])) ? $_SESSION['counter'] + 1 : 0;

     echo $_SESSION['counter'];

 ?>

This code on its own works as expected, printing 0, 1, 2, 3, etc. 此代码可以正常工作，显示0、1、2、3等。

Now, if I require this script via my index.php like so: 现在，如果我通过index.php需要此脚本，如下所示：

<?php
    require 'test6.php';
?>

The numbers begin to increase by 2 rather than 1. It is this requiring via my index.php that causes the problem. 数字开始增加2而不是1。这是通过我的index.php引起的。 It also screws up my script file, such that accessing test6.php directly now increases by 2 instead of 1. You can see it in action here: 它也弄糟了我的脚本文件，因此直接访问test6.php现在增加了2，而不是1。您可以在这里看到它的运行情况：

test URL removed 测试网址已删除

Just so I'm clear, the above code is all of my code . 我很清楚，上面的代码是我的全部代码 。 There is nothing else included in index.php or test6.php. index.php或test6.php中没有其他内容。 This is only happening in Chrome. 这仅在Chrome中发生。 Firefox and Internet Explorer are working correctly, incrementing by 1. Firefox和Internet Explorer正常运行，增量为1。

Answer 1

Chrome (and apparently other browsers) was looking for a favicon, or the image that appears next to the page title. Chrome浏览器（显然还有其他浏览器）正在寻找收藏夹图标或页面标题旁边显示的图像。 As soon as I added a stock image to my page like this: 当我将库存图片添加到我的页面后，如下所示：

<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="icon" 
  type="image/png" 
  href="https://mysite.com/icon.png">
</head>

It worked. 有效。 Thanks to @dev-null-dweller for suggesting this! 感谢@ dev-null-dweller提出的建议！

PHP的会话存储行为成变量？

问题描述

1 个解决方案

解决方案1
0 已采纳 2013-11-12 01:34:27

PHP的会话存储行为成变量？

问题描述

1 个解决方案

解决方案1 0 已采纳 2013-11-12 01:34:27

解决方案1
0 已采纳 2013-11-12 01:34:27