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[2025-08-04 17:20 UTC] hamedzarei dot 7232 at gmail dot com
Description:
------------
Diff between 2 DateTimes makes wrong in hour and create -1
I test some cases and think is about setting timezone
Test script:
---------------
date_default_timezone_set('Asia/Tehran');
$date1 = new \DateTime('2025-08-04 11:47:24');
$date2 = new \DateTime('2025-08-04 12:47:24');
var_dump($date1->diff($date2));
Expected result:
----------------
object(DateInterval)#3 (16) {
["y"]=>
int(0)
["m"]=>
int(1)
["d"]=>
int(2)
["h"]=>
int(23)
["i"]=>
int(0)
["s"]=>
int(0)
["f"]=>
float(0)
["weekday"]=>
int(0)
["weekday_behavior"]=>
int(0)
["first_last_day_of"]=>
int(0)
["invert"]=>
int(1)
["days"]=>
int(33)
["special_type"]=>
int(0)
["special_amount"]=>
int(0)
["have_weekday_relative"]=>
int(0)
["have_special_relative"]=>
int(0)
}
Actual result:
--------------
object(DateInterval)#3 (16) {
["y"]=>
int(0)
["m"]=>
int(1)
["d"]=>
int(3)
["h"]=>
int(-1)
["i"]=>
int(0)
["s"]=>
int(0)
["f"]=>
float(0)
["weekday"]=>
int(0)
["weekday_behavior"]=>
int(0)
["first_last_day_of"]=>
int(0)
["invert"]=>
int(1)
["days"]=>
int(33)
["special_type"]=>
int(0)
["special_amount"]=>
int(0)
["have_weekday_relative"]=>
int(0)
["have_special_relative"]=>
int(0)
}
Patchesdiff_timezone_patch_hamed_01 (last revision 2025-08-04 17:21 UTC by hamedzarei dot 7232 at gmail dot com)Pull RequestsHistoryAllCommentsChangesGit/SVN commits
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I think this is a problem in daylight saving time. Test script: --------------- date_default_timezone_set('Asia/Tehran'); $date1 = new \DateTime('2025-08-04 11:47:24'); $date2 = new \DateTime('2025-08-04 12:47:24'); var_dump($date1->diff($date2)); -------------- object(DateInterval)#3 (16) { ["y"]=> int(0) ["m"]=> int(1) ["d"]=> int(2) ["h"]=> int(23) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(1) ["days"]=> int(33) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }<?php It seems need to fix daylight saving time date_default_timezone_set('America/New_York'); $date1 = new \DateTime('2025-08-04 11:47:24'); $date2 = new \DateTime('2025-08-04 12:47:24'); var_dump($date1->diff($date2)); ---------------- object(DateInterval)#3 (16) { ["y"]=> int(0) ["m"]=> int(1) ["d"]=> int(3) ["h"]=> int(-1) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(1) ["days"]=> int(33) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }