From:
Operating system: n/a
PHP version: 5.3.9
Package: Date/time related
Bug Type: Bug
Bug description:some inspections of DateTime member variables cause creation,
can break asserts
Description:
------------
DateTime objects have a timezone_type member variable. This appears to
differ
based on whether the timezone was set by passing a DateTimeZone object to
the
DateTime constructor vs the constructor parsing it out of a string. The
timezone_type member variable is not mentioned anywhere in the
documentation,
nor
is this behavior.
Further, inspecting DateTime objects with print_r and other interrogations
can
cause the timezone_type properties to be created. Equality operator
comparisons
still work when timezone_type properties created and are different, but
isEqual
in
SimpleTest (for example) does not, nor presumably will other object
comparisons
which don't use what I imagine to be DateTime's overloaded comparison
operators.
Please document the timezone_type member variable of DateTime and address
the
unexpected behavior of member variable creation upon inspection.
Test script:
---------------
<?php
$a = new DateTime('2010-01-01 08:45:00', new DateTimeZone('UTC'));
$str = $a->format(DateTime::ISO8601);
$b = new DateTime($str, new DateTimeZone('UTC'));
echo "\n";
echo "a->timezone_type: " . $a->timezone_type . "\n";
echo "b->timezone_type: " . $b->timezone_type . "\n";
echo "\na: " . print_r($a, true) . "\n";
echo "\nstr: $str\n";
echo "b: " . print_r($b, true) . "\n";
echo "a->timezone_type: " . $a->timezone_type . "\n";
echo "b->timezone_type: " . $b->timezone_type . "\n";
$eq = ($a == $b);
echo "\na == b: $eq\n";
Expected result:
----------------
$ php test.php
a->timezone_type: 3
b->timezone_type: 1
a: DateTime Object
(
[date] => 2010-01-01 08:45:00
[timezone_type] => 3
[timezone] => UTC
)
str: 2010-01-01T08:45:00+0000
b: DateTime Object
(
[date] => 2010-01-01 08:45:00
[timezone_type] => 1
[timezone] => +00:00
)
a->timezone_type: 3
b->timezone_type: 1
a == b: 1
Actual result:
--------------
$ php test.php
a->timezone_type:
b->timezone_type:
a: DateTime Object
(
[date] => 2010-01-01 08:45:00
[timezone_type] => 3
[timezone] => UTC
)
str: 2010-01-01T08:45:00+0000
b: DateTime Object
(
[date] => 2010-01-01 08:45:00
[timezone_type] => 1
[timezone] => +00:00
)
a->timezone_type: 3
b->timezone_type: 1
a == b: 1
--
Edit bug report at https://bugs.php.net/bug.php?id=60873&edit=1
--
Try a snapshot (PHP 5.4):
https://bugs.php.net/fix.php?id=60873&r=trysnapshot54
Try a snapshot (PHP 5.3):
https://bugs.php.net/fix.php?id=60873&r=trysnapshot53
Try a snapshot (trunk):
https://bugs.php.net/fix.php?id=60873&r=trysnapshottrunk
Fixed in SVN:
https://bugs.php.net/fix.php?id=60873&r=fixed
Fixed in SVN and need be documented:
https://bugs.php.net/fix.php?id=60873&r=needdocs
Fixed in release:
https://bugs.php.net/fix.php?id=60873&r=alreadyfixed
Need backtrace:
https://bugs.php.net/fix.php?id=60873&r=needtrace
Need Reproduce Script:
https://bugs.php.net/fix.php?id=60873&r=needscript
Try newer version:
https://bugs.php.net/fix.php?id=60873&r=oldversion
Not developer issue:
https://bugs.php.net/fix.php?id=60873&r=support
Expected behavior:
https://bugs.php.net/fix.php?id=60873&r=notwrong
Not enough info:
https://bugs.php.net/fix.php?id=60873&r=notenoughinfo
Submitted twice:
https://bugs.php.net/fix.php?id=60873&r=submittedtwice
register_globals:
https://bugs.php.net/fix.php?id=60873&r=globals
PHP 4 support discontinued:
https://bugs.php.net/fix.php?id=60873&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=60873&r=dst
IIS Stability:
https://bugs.php.net/fix.php?id=60873&r=isapi
Install GNU Sed:
https://bugs.php.net/fix.php?id=60873&r=gnused
Floating point limitations:
https://bugs.php.net/fix.php?id=60873&r=float
No Zend Extensions:
https://bugs.php.net/fix.php?id=60873&r=nozend
MySQL Configuration Error:
https://bugs.php.net/fix.php?id=60873&r=mysqlcfg
