3v4l.org

run code in 200+ php & hhvm versions
<?php $date_start = new DateTime('2017-03-01'); $date_end = new DateTime('2017-03-31'); print_r($date_start->diff($date_end));
Output for 7.1.0 - 7.4.0alpha2
DateInterval Object ( [y] => 0 [m] => 1 [d] => 2 [h] => 0 [i] => 0 [s] => 0 [f] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 0 [days] => 30 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 )
Output for 5.3.27 - 5.3.29, 5.4.17 - 5.6.30, 7.0.0 - 7.0.20
DateInterval Object ( [y] => 0 [m] => 1 [d] => 2 [h] => 0 [i] => 0 [s] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 0 [days] => 30 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 )
Output for hhvm-3.10.1 - 3.21.0
DateInterval Object ( )
Output for 5.3.0 - 5.3.26, 5.4.0 - 5.4.16
DateInterval Object ( [y] => 0 [m] => 1 [d] => 2 [h] => 0 [i] => 0 [s] => 0 [invert] => 0 [days] => 30 )
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::diff() in /in/R3LLN on line 5
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/R3LLN on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/R3LLN on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/R3LLN on line 3