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--TEST--
Bug #54340 (DateTime::add() method bug)
--INI--
date.timezone=UTC
--FILE--
<?php
$interval = new DateInterval('P1D');
$dt = new DateTime('first day of January 2011');
var_dump($dt);
$dt->add($interval);
var_dump($dt);
$dt = new DateTime('first day of January 2011');
$dt->sub($interval);
var_dump($dt);
--EXPECT--
object(DateTime)#2 (3) {
["date"]=>
string(26) "2011-01-01 00:00:00.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
object(DateTime)#2 (3) {
["date"]=>
string(26) "2011-01-02 00:00:00.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
object(DateTime)#3 (3) {
["date"]=>
string(26) "2010-12-31 00:00:00.000000"
["timezone_type"]=>
int(3)
["timezone"]=>
string(3) "UTC"
}
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