<?php
$a = new DateTime('2020-01-01 23:59:40');
$b = new DateTimeImmutable('2020-01-01 23:59:40');
var_dump($a, $b);
$a->add(new DateInterval('P1D'));
$c = $b->add(new DateInterval('P1D'));
var_dump($a, $b, $c);
- Output for 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- object(DateTime)#1 (3) {
["date"]=>
string(26) "2020-01-01 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
object(DateTimeImmutable)#2 (3) {
["date"]=>
string(26) "2020-01-01 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
object(DateTime)#1 (3) {
["date"]=>
string(26) "2020-01-02 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
object(DateTimeImmutable)#2 (3) {
["date"]=>
string(26) "2020-01-01 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
object(DateTimeImmutable)#4 (3) {
["date"]=>
string(26) "2020-01-02 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
object(DateTime)#1 (3) {
["date"]=>
string(26) "2020-01-01 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
object(DateTimeImmutable)#2 (3) {
["date"]=>
string(26) "2020-01-01 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
object(DateTime)#1 (3) {
["date"]=>
string(26) "2020-01-02 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
object(DateTimeImmutable)#2 (3) {
["date"]=>
string(26) "2020-01-01 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
object(DateTimeImmutable)#4 (3) {
["date"]=>
string(26) "2020-01-02 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(16) "Europe/Amsterdam"
}
- Output for 7.3.32, 7.4.26, 8.0.13
- object(DateTime)#1 (3) {
["date"]=>
string(26) "2020-01-01 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
object(DateTimeImmutable)#2 (3) {
["date"]=>
string(26) "2020-01-01 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
object(DateTime)#1 (3) {
["date"]=>
string(26) "2020-01-02 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
object(DateTimeImmutable)#2 (3) {
["date"]=>
string(26) "2020-01-01 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
object(DateTimeImmutable)#4 (3) {
["date"]=>
string(26) "2020-01-02 23:59:40.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
preferences:
157.19 ms | 403 KiB | 156 Q