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<?php $datetime1 = new DateTime('2015-12-20'); $datetime2 = new DateTime('2015-12-24'); $interval = $datetime1->diff($datetime2); print_r($interval);exit; $elapsed = $interval->format('%y years, %m months, %d days'); echo $elapsed;
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
DateInterval Object ( [y] => 0 [m] => 0 [d] => 4 [h] => 0 [i] => 0 [s] => 0 [f] => 0 [invert] => 0 [days] => 4 [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
DateInterval Object ( [y] => 0 [m] => 0 [d] => 4 [h] => 0 [i] => 0 [s] => 0 [f] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 0 [days] => 4 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 )
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
DateInterval Object ( [y] => 0 [m] => 0 [d] => 4 [h] => 0 [i] => 0 [s] => 0 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 0 [days] => 4 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 )

preferences:
243.73 ms | 402 KiB | 329 Q