this is only happening in Chrome
Has anyone ever experienced PHP sessions storing functional behavior into variables? I created the following script:
<?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. However, I m getting 1, 3, 5, 7, and so on. I found out that for some reason, $_SESSION[ count ] acts as though its incrementing behavior has been stored within the variable. 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. To make it clear, the following script will output and higher number on each page load.
<?php
session_start();
echo $_SESSION[ count ];
?>
http://codepad.viper-7.com/ http://codepad.viper-7.com/
This is what I used to unset the session:
$_SESSION = array(); session_unset(); session_destroy();
I ve tried the script on several browsers. IE and Firefox correctly increment by 1; however Chrome increments by 2. Any idea why the browser could influence this?
EDIT: If I create a new script and change the variable, it works correctly. 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. So, something s going on with index.php. Could there be an issue with my .htaccess loading the page more than once? Here it is:
My .htaccess
Options +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.
First, I create a script with the following code:
<?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.
Now, if I require this script via my index.php like so:
<?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. 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:
test URL removed
Just so I m clear, the above code is all of my code . There is nothing else included in index.php or test6.php. This is only happening in Chrome. Firefox and Internet Explorer are working correctly, incrementing by 1.
