Bug #62326 [Opn]: date_diff() function returns false result

Edit report at https://bugs.php.net/bug.php?id=62326&edit=1 ID: 62326 Updated by: rasmus@php.net Reported by: ploeger dot private at googlemail dot com Summary: date_diff() function returns false result Status: Open Type: Bug Package: Class/Object related Operating System: Windows Server 2008 R2 PHP Version: 5.3Git-2012-06-14 (snap) Block user comment: N Private report: N New Comment: That output 06 on Linux Previous Comments: ------------------------------------------------------------------------ [2012-06-14 18:52:28] ploeger dot private at googlemail dot com Description: ------------ The source code will return 05 instead of 06. If you change the day to 02 instead of 01 in start_timestamp and end_timestamp everything seems to work correct. Debug: print_r($start_timestamp); Result: DateTime Object ( [date] => 2012-06-01 00:00:00 [timezone_type] => 3 [timezone] => Europe/Berlin ) print_r($end_timestamp); Result: DateTime Object ( [date] => 2012-12-01 00:00:00 [timezone_type] => 3 [timezone] => Europe/Berlin ) Test script: --------------- $start_timestamp = date_create('2012-06-01'); $end_timestamp = date_create('2012-12-01'); $difference = date_diff($start_timestamp, $end_timestamp); $difference = $difference->format('%M'); Expected result: ---------------- 06 Actual result: -------------- 05 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=62326&edit=1