1--TEST-- 2Bug #78452 (diff makes wrong in hour for Asia/Tehran) 3--FILE-- 4<?php 5date_default_timezone_set('Asia/Tehran'); 6$date1 = new \DateTime('2019-09-24 11:47:24'); 7$date2 = new \DateTime('2019-08-21 12:47:24'); 8var_dump($date1->diff($date2)); 9?> 10--EXPECT-- 11object(DateInterval)#3 (16) { 12 ["y"]=> 13 int(0) 14 ["m"]=> 15 int(1) 16 ["d"]=> 17 int(2) 18 ["h"]=> 19 int(23) 20 ["i"]=> 21 int(0) 22 ["s"]=> 23 int(0) 24 ["f"]=> 25 float(0) 26 ["weekday"]=> 27 int(0) 28 ["weekday_behavior"]=> 29 int(0) 30 ["first_last_day_of"]=> 31 int(0) 32 ["invert"]=> 33 int(1) 34 ["days"]=> 35 int(33) 36 ["special_type"]=> 37 int(0) 38 ["special_amount"]=> 39 int(0) 40 ["have_weekday_relative"]=> 41 int(0) 42 ["have_special_relative"]=> 43 int(0) 44} 45