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Bug #27078 Numeric Keys for session variables are lost
Submitted: 2004-01-28 14:30 UTC Modified: 2004-01-28 14:45 UTC
From: rob dot brenart at tradingtechnologies dot com Assigned:
Status: Not a bug Package: Session related
PHP Version: 4.3.4 OS: Windows XP
Private report: No CVE-ID: None
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From: rob dot brenart at tradingtechnologies dot com
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 [2004-01-28 14:30 UTC] rob dot brenart at tradingtechnologies dot com
Description:
------------
Perhaps it's intentional as variables aren't supposed to be numeric, but seeing as it's the $_SESSION array, I figured this would be allowed.  

Reproduce code:
---------------
<?php
session_start();

echo '<pre>';
print_r($_SESSION);
echo '<hr>';
$_SESSION[167]='hi world';
print_r($_SESSION);

echo '<a href="test1.php">Here ya go</a>';

?>

Expected result:
----------------
Array
(
    [167] => hi world
)Array
(
    [167] => hi world
)

Here ya go

Actual result:
--------------
Array
(
)
Array
(
    [167] => hi world
)

Here ya go

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 [2004-01-28 14:39 UTC] sniper@php.net
No, they're not allowed, RTFM:

"The keys in the $_SESSION associative array are subject to the same limitations as regular variable names in PHP, i.e. they cannot start with a number and must start with a letter or underscore. For more details see the section on variables in this manual."

 [2004-01-28 14:45 UTC] rob dot brenart at tradingtechnologies dot com
My mistake, I looked and missed it.  But then shouldn't this kick out a warning on the $_SESSION[167]='hi world'; line?
 
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