[PHP-BUG] Bug #71162 [NEW]: lazy_write never call updateTimestamp when session remains empty

[email protected] ("e2c2be7ed0f2f336 at gmail dot com")
Newsgroups php.bugs
Message-ID <[email protected]>
From:             e2c2be7ed0f2f336 at gmail dot com
Operating system: 
PHP version:      7.0Git-2015-12-18 (snap)
Package:          Session related
Bug Type:         Bug
Bug description:lazy_write never call updateTimestamp when session remains empty

Description:
------------
A session which remains empty always invoke the write callback instead
of updateTimestamp of the session handler.

Not really a bug but behavior would be more consistent.

Test script:
---------------
https://gist.github.com/julp/4bc6acac8ef4ca51e750

Expected result:
----------------
updateTimestamp

Actual result:
--------------
write

-- 
Edit bug report at https://bugs.php.net/bug.php?id=71162&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=71162&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=71162&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=71162&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=71162&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=71162&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=71162&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=71162&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=71162&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=71162&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=71162&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=71162&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=71162&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=71162&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=71162&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=71162&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=71162&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=71162&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=71162&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=71162&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=71162&r=mysqlcfg
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