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<?php $creationTime = \DateTimeImmutable::createFromFormat('Y-m-d H:i:s', '2017-07-10 10:00:00'); $expirationTime = \DateTimeImmutable::createFromFormat('Y-m-d H:i:s', '2017-07-10 11:59:00'); var_dump($creationTime->diff($expirationTime), $creationTime->diff($expirationTime)->format('%s seconds')); // Expecting at least 59....
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
object(DateInterval)#3 (10) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(0) ["h"]=> int(1) ["i"]=> int(59) ["s"]=> int(0) ["f"]=> float(0) ["invert"]=> int(0) ["days"]=> int(0) ["from_string"]=> bool(false) } string(9) "0 seconds"
Output for 7.1.0 - 7.1.25, 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 - 8.1.27
object(DateInterval)#3 (16) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(0) ["h"]=> int(1) ["i"]=> int(59) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> int(0) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) } string(9) "0 seconds"
Output for 7.0.0 - 7.0.20
object(DateInterval)#3 (15) { ["y"]=> int(0) ["m"]=> int(0) ["d"]=> int(0) ["h"]=> int(1) ["i"]=> int(59) ["s"]=> int(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> int(0) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) } string(9) "0 seconds"

preferences:
146.84 ms | 402 KiB | 184 Q