3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tz = new DateTimeZone('Europe/Amsterdam'); $now = new DateTime('2015-10-01', $tz); $then = new DateTime('2015-01-01', $tz); $diff = $now->diff($then); print_r($diff); $now = new DateTime('2015-09-01', $tz); $then = new DateTime('2015-01-01', $tz); $diff = $now->diff($then); print_r($diff); $now = new DateTime('2015-11-01', $tz); $then = new DateTime('2015-01-01', $tz); $diff = $now->diff($then); print_r($diff);
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.30, 7.4.0 - 7.4.24, 8.0.0 - 8.0.11
DateInterval Object ( [y] => 0 [m] => 8 [d] => 30 [h] => 0 [i] => 0 [s] => 0 [f] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 1 [days] => 273 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 ) DateInterval Object ( [y] => 0 [m] => 8 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [f] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 1 [days] => 243 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 ) DateInterval Object ( [y] => 0 [m] => 10 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [f] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 1 [days] => 304 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 )
Output for 5.4.17 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33
DateInterval Object ( [y] => 0 [m] => 8 [d] => 30 [h] => 0 [i] => 0 [s] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 1 [days] => 273 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 ) DateInterval Object ( [y] => 0 [m] => 8 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 1 [days] => 243 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 ) DateInterval Object ( [y] => 0 [m] => 10 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 1 [days] => 304 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 )
Output for 5.4.0 - 5.4.16
DateInterval Object ( [y] => 0 [m] => 8 [d] => 30 [h] => 0 [i] => 0 [s] => 0 [invert] => 1 [days] => 273 ) DateInterval Object ( [y] => 0 [m] => 8 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [invert] => 1 [days] => 243 ) DateInterval Object ( [y] => 0 [m] => 10 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [invert] => 1 [days] => 304 )

preferences:
198.47 ms | 402 KiB | 255 Q