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Bug #69150 DateTime object does not update micro seconds
Submitted: 2015-02-28 23:47 UTC Modified: 2015-03-02 18:46 UTC
Votes:1
Avg. Score:3.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: remyfox at hotmail dot com Assigned:
Status: Not a bug Package: Date/time related
PHP Version: 5.6.6 OS: Windows 7
Private report: No CVE-ID: None
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 [2015-02-28 23:47 UTC] remyfox at hotmail dot com 
Description:
------------
Micro seconds on the date property (and consequently, formatted output) do not update after the initial creation of the DateTime object.

Test script:
---------------
$datetime = Datetime::createFromFormat('Y-m-d H:i:s.u', '2009-02-09 15:16:17.015750');
$datetime->setTimeStamp(0);
print_r($datetime);
	
$datetime = Datetime::createFromFormat('Y-m-d H:i:s', '2009-02-09 15:16:17');
$datetime->setTimeStamp(0.123);
print_r($datetime);

Expected result:
----------------
DateTime Object
(
    [date] => 1970-01-01 01:00:00.000000
    [timezone_type] => 3
    [timezone] => Europe/Berlin
)
DateTime Object
(
    [date] => 1970-01-01 01:00:00.123000
    [timezone_type] => 3
    [timezone] => Europe/Berlin
)

Actual result:
--------------
DateTime Object
(
    [date] => 1970-01-01 01:00:00.015750
    [timezone_type] => 3
    [timezone] => Europe/Berlin
)
DateTime Object
(
    [date] => 1970-01-01 01:00:00.000000
    [timezone_type] => 3
    [timezone] => Europe/Berlin
)

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 [2015-03-02 00:09 UTC] cmbecker69 at gmx dot de 
This is not a bug.

It is documented that DateTime::setTimestamp()[1] expects a Unix
timestamp as int argument.  Any float passed to this method is
casted to integer.

[1] <http://php.net/manual/en/datetime.settimestamp.php>
 [2015-03-02 18:46 UTC] aharvey@php.net
-Status: Open +Status: Not a bug
 [2015-03-02 18:46 UTC] aharvey@php.net 
Yep: any date/time function that deals with UNIX timestamps is limited to second precision by definition, since PHP always treats them as integers.

Closing not a bug.
 
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