<?php $dates = [new \DateTime('+1 year'), new \DateTime('+1 day'), new \DateTime('-1 day')]; return $left <=> $right; });
Standard input is empty
array(3) {
[0]=>
object(DateTime)#3 (3) {
["date"]=>
string(26) "2019-01-01 09:48:17.523393"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
[1]=>
object(DateTime)#2 (3) {
["date"]=>
string(26) "2019-01-03 09:48:17.523390"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
[2]=>
object(DateTime)#1 (3) {
["date"]=>
string(26) "2020-01-02 09:48:17.523381"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
}