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<?php $a = new DateTime('2000-01-31'); $b = new DateTime('2010-06-15'); $diff = date_diff($a, $b); echo '$a=', $a->format('Y-m-d H:i:s'), "\n"; echo '$b=', $b->format('Y-m-d H:i:s'), "\n"; print_r($diff);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
$a=2000-01-31 00:00:00 $b=2010-06-15 00:00:00 DateInterval Object ( [y] => 10 [m] => 4 [d] => 15 [h] => 0 [i] => 0 [s] => 0 [f] => 0 [invert] => 0 [days] => 3788 [from_string] => )
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
$a=2000-01-31 00:00:00 $b=2010-06-15 00:00:00 DateInterval Object ( [y] => 10 [m] => 4 [d] => 15 [h] => 0 [i] => 0 [s] => 0 [f] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 0 [days] => 3788 [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 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
$a=2000-01-31 00:00:00 $b=2010-06-15 00:00:00 DateInterval Object ( [y] => 10 [m] => 4 [d] => 15 [h] => 0 [i] => 0 [s] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 0 [days] => 3788 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 )
Output for 5.3.0 - 5.3.26, 5.4.0 - 5.4.16
$a=2000-01-31 00:00:00 $b=2010-06-15 00:00:00 DateInterval Object ( [y] => 10 [m] => 4 [d] => 15 [h] => 0 [i] => 0 [s] => 0 [invert] => 0 [days] => 3788 )
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined function date_diff() in /in/uDKnt on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/uDKnt on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/uDKnt 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/uDKnt on line 3

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