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Bug #77121 fractions in diff cause overflow in same second datetimes
Submitted: 2018-11-08 08:55 UTC Modified: 2018-11-08 11:24 UTC
From: sakari dot laine at verkkokauppa dot com Assigned: cmb (profile)
Status: Duplicate Package: Date/time related
PHP Version: 7.2.12 OS: linux
Private report: No CVE-ID: None
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From: sakari dot laine at verkkokauppa dot com
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 [2018-11-08 08:55 UTC] sakari dot laine at verkkokauppa dot com
Description:
------------
Datetime diff overflows if fractions and no fractions in same second.

Test script:
---------------
$date = new \DateTime('2018-11-08 10:22:43');
$date2 = new \DateTime('2018-11-08 10:22:43.123456');


print_r($date2->diff($date));


Expected result:
----------------
DateInterval Object
(
    [y] => 0
    [m] => 0
    [d] => 0
    [h] => 0
    [i] => 0
    [s] => 0
    [f] => -0.123456
    [weekday] => 0
    [weekday_behavior] => 0
    [first_last_day_of] => 0
    [invert] => 0
    [days] => 0
    [special_type] => 0
    [special_amount] => 0
    [have_weekday_relative] => 0
    [have_special_relative] => 0
)

Actual result:
--------------
DateInterval Object
(
    [y] => -1
    [m] => 11
    [d] => 30
    [h] => 23
    [i] => 59
    [s] => 59
    [f] => 0.876544
    [weekday] => 0
    [weekday_behavior] => 0
    [first_last_day_of] => 0
    [invert] => 0
    [days] => 0
    [special_type] => 0
    [special_amount] => 0
    [have_weekday_relative] => 0
    [have_special_relative] => 0
)


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 [2018-11-08 09:55 UTC] cmb@php.net
-Status: Open +Status: Duplicate -Assigned To: +Assigned To: cmb
 [2018-11-08 09:55 UTC] cmb@php.net
This looks like a duplicate of bug #77097.
 [2018-11-08 11:24 UTC] sakari dot laine at verkkokauppa dot com
-PHP Version: 7.2.12RC1 +PHP Version: 7.2.12
 [2018-11-08 11:24 UTC] sakari dot laine at verkkokauppa dot com
Affects 7.2.12 but at the time of submitting it was not present in dropdown,
 
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