PHP timestring to DateTime don't give correct result - php

I have a timestring comming from an XML File
1408226400
Now i want to convert this string into an DateTime object, but i'm getting the wrong result.
//This is an example for this Question, but with the real datestring
//My real code looks like this: $dbTurn->setStartDate(new \DateTime("#".$turn['cruiseStartDateString']));
$test = date("d-m-Y H:i", 1408226400);
$dateTime = new DateTime($test);
print_r($dateTime);
# result is DateTime Object ( [date] => 2014-08-16 18:00:00 [timezone_type] => 3 [timezone] => America/New_York )
But that is not the date i expected, because the result i should because is this:
2014-08-17 10:04:00
Also, taken from the real code i mentioned in the comment within the code, this snippet:
$dbTurn->setStartDate(new \DateTime($turn['cruiseStartDateString']));
Throws this error if i don't suppress the error message:
message => (string) DateTime::__construct(): Failed to parse time string (1408226400) at position 7 (4): Unexpected character
Is something wrong with the datestring or am i doing something wrong?

You don't need to create a formatted datestring using date() before passing to a DateTime object constructor:
$timestamp = 1408226400;
$dateTime = new DateTime('#' . $timestamp);
print_r($dateTime);
though you may also need to pass a timezone to the DateTime constructor as well

you can try this
date_default_timezone_set('Europe/Berlin');
$test = date("Y-m-d h:i:s", 1408226400);
$dateTime = new DateTime($test);
print_r($dateTime);
OUTPUT :
DateTime Object
(
[date] => 2014-08-17 12:00:00
[timezone_type] => 3
[timezone] => Europe/Berlin
)

Related

PHP DateTimeZone Member Access

I have a DateTimeZone object, let us call this $TimeZone.
DateTimeZone Object
(
[timezone_type] => 2
[timezone] => Z
)
I want to get timezone_type and timezone as string values.
I have got timezone using the following line-
$timezone=$TimeZone->getName();
But I am not getting $timezone_type.
there is a thread related to this issue see this:Here
A hack can be, you can convert the object to array then access the index:
$date = new DateTimeZone('Europe/London');
$x=(array) $date;
echo $x['timezone_type'];//3

Strange bug of date_modify function in DateTime class

I use the native PHP DateTime class for adding days to dates. But when dealing with negative dates, I encountered a strange bug. Depending on the millennium added or a day or two. Example:
$date_one = date_create("-1000-12-27");
date_modify($date_one, '+1 day');
//Return DateTime Object ( [date] => -1000-12-29 00:00:00 )
$date_two = date_create("-2000-12-27");
date_modify($date_two, '+1 day');
//Return DateTime Object ( [date] => -2000-12-28 00:00:00 )
$date_three = date_create("-3000-12-27");
date_modify($date_three, '+1 day');
//Return DateTime Object ( [date] => -3000-12-29 00:00:00 )
That is, depending on the parity of the millennium issue, or December 28 or December 29. Why is this happening? What is the problem?

Changing timezone of a retrieved date in php

I am retrieving a date in format of 2013-09-15 08:45:00 from the database, which is set in UTC and I need to change it to another dynamic timezone (based on user)
So far I've got
$datetime = $row->field_data_field_performance_times_field_performance_times_v;
$eventDate = DateTime::createFromFormat('Y-m-d H:i:s', $datetime, new DateTimeZone($user->timezone));
$performance_time = date_format($eventDate, 'l, j F, Y, H:i');
But it doesn't change the timezone. Any ideas what's wrong? It should be +2 hours in my case.
Your input datetime is in UTC, not user's timezone. So first you must create datetime object in UTC, and then set/change timezone to user's :
$dt = new DateTime('2013-09-15 08:45:00', new DateTimeZone('UTC'));
print_r($dt);
/*
DateTime Object
(
[date] => 2013-09-15 08:45:00
[timezone_type] => 3
[timezone] => UTC
)
*/
Now you have datetime in UTC timezone. If you wish to change timezone, just call ->setTimezone() on DateTime object :
$dt->setTimezone(new DateTimeZone('Europe/Berlin'));
print_r($dt);
/*
DateTime Object
(
[date] => 2013-09-15 10:45:00
[timezone_type] => 3
[timezone] => Europe/Berlin
)
*/
p.s. because input 2013-09-15 08:45:00 is in standard datetime format, you don't need to use DateTime::createFromFormat.

get date from DateTime Object

After more than an hour struggling and trying I'd like to ask it here.
Trying to make something with weeks etc. in php I got from you site this:
Get all Work Days in a Week for a given date
Nice and will work for me fine.
But ... I can't get, trying and trying, the data out of this part: [date] => 2013-08-12 00:00:00
Array
(
[0] => DateTime Object
(
[date] => 2013-08-12 00:00:00
[timezone_type] => 3
[timezone] => Europe/Amsterdam
)
How to get that date out of the array ?
Please help me out, thanks in advance for the help !
Use DateTime::format()
$dateTime = new DateTime('2013-08-12 00:00:00');
echo $datetime->format('Y-m-d'); // produces 2013-08-12
$firstMondayThisWeek= new DateTime('2013-08-12');
$firstMondayThisWeek->modify('tomorrow');
$firstMondayThisWeek->modify('last Monday');
$nextFiveWeekDays = new DatePeriod(
$firstMondayThisWeek,
DateInterval::createFromDateString('+1 weekdays'),
4
);
$dateTimes = iterator_to_array($nextFiveWeekDays);
foreach ($dateTimes as $dateTime) {
echo $dateTime->format('Y-m-d H:i:s');
}

Convert date string to UTC time with PHP

I have the following date string
$date="Sat Apr 30 2011 18:47:47 GMT+0900 (Tokyo)"
I want to convert it to UTC time
$timestamp_UNIX = strtotime($date);
echo date("Y-m-d\TH:i:s\Z",$timestamp_UNIX);
Why do I got
2011-04-30T11:47:47Z
and not
2011-04-30T09:47:47Z
The problem is that you code does not automatically echo UTC. It echos the timestamp in whatever your default timezone is set to. This is done via date_default_timezone_set() at runtime or via the configuration setting date.timezone in your php.ini.
The modern way would be to use the DateTime and the DateTimeZone classes.
$d = new DateTime('Sat Apr 30 2011 18:47:47 GMT+0900 (Tokyo)');
print_r($d);
$d->setTimezone(new DateTimeZone('UTC'));
print_r($d);
prints
DateTime Object
(
[date] => 2011-04-30 18:47:47
[timezone_type] => 1
[timezone] => +09:00
)
DateTime Object
(
[date] => 2011-04-30 09:47:47
[timezone_type] => 3
[timezone] => UTC
)
You should use gmdate() instead of date() (or you could check the DateTime and DateTimeZone classes in PHP 5.2 / 5.3)

Categories