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Request #72091 session data persistence after destroying session
Submitted: 2016-04-24 05:21 UTC Modified: 2017-04-13 09:57 UTC
Votes:1
Avg. Score:3.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: rprporwal9 at gmail dot com Assigned:
Status: Open Package: Session related
PHP Version: 5.5.34 OS: Ubuntu
Private report: No CVE-ID: None
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 [2016-04-24 05:21 UTC] rprporwal9 at gmail dot com
Description:
------------
After session initialization we store data in session super global array but after invocation of session_destroy function which is used to destroy session data in session super global variable should also be unset simultaneously.

Otherwise there is no meaning of session_destroy if data persists in session super global variable

Also according to documentation of session_destroy function as mentioned in php.net

Destroys all data registered to a session

Hence I suggest that data should not persist after session is destroyed in super global $_SESSION variable otherwise there is no reliability of session_destroy() function.

Test script:
---------------
session_start();
$_SESSION['xyz']=99;
session_destroy();
print_r($_SESSION);


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 [2016-04-24 18:18 UTC] stas@php.net
-Type: Security +Type: Feature/Change Request
 [2016-04-24 18:18 UTC] stas@php.net
Not a security issue. 

Also, documented behavior of session_destroy.
 
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