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Bug #75965 DateTimeZone object has not been correctly initialized after unserialization
Submitted: 2018-02-15 14:33 UTC Modified: 2018-02-15 16:43 UTC
Avg. Score:4.2 ± 1.0
Reproduced:4 of 4 (100.0%)
Same Version:3 (75.0%)
Same OS:2 (50.0%)
From: ivan at podorozhny dot ru Assigned:
Status: Open Package: *General Issues
PHP Version: 7.1.14 OS: Ubuntu 16.04.3 LTS 4.4.0-28-gene
Private report: No CVE-ID: None
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From: ivan at podorozhny dot ru
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 [2018-02-15 14:33 UTC] ivan at podorozhny dot ru

PHP (cli) (built: Jun  9 2017 08:26:34) ( NTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.1.0, Copyright (c) 1998-2017 Zend Technologies
    with Zend OPcache, Copyright (c) 1999-2017, by Zend Technologies
    with Xdebug v2.5.5, Copyright (c) 2002-2017, by Derick Rethans

Test script:
class Foobar implements \Serializable
    /** @return string */
    public function serialize(): string
        return serialize(new \DateTimeZone('Europe/Andorra'));

    /** @param string $serialized */
    public function unserialize($serialized)

(new Foobar())->unserialize((new Foobar())->serialize());
var_dump(unserialize(serialize(new Foobar())));

Expected result:
The DateTimeZone object correct initialization

Actual result:
string(86) "O:12:"DateTimeZone":2:{s:13:"timezone_type";i:3;s:8:"timezone";s:14:"Europe/Andorra";}"
string(14) "Europe/Andorra"
string(86) "O:12:"DateTimeZone":2:{s:13:"timezone_type";i:3;s:8:"timezone";s:14:"Europe/Andorra";}"
PHP Warning:  DateTimeZone::getName(): The DateTimeZone object has not been correctly initialized by its constructor in /tmp/test.php on line 15
PHP Stack trace:
PHP   1. {main}() /tmp/test.php:0
PHP   2. unserialize() /tmp/test.php:20
PHP   3. Foobar->unserialize() /tmp/test.php:20
PHP   4. DateTimeZone->getName() /tmp/test.php:15
class Foobar#1 (0) {


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Last updated: Fri Oct 18 08:01:26 2019 UTC