How to convert date time to ISO 8601 format in PHP?

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I have the following format: 2018-10-23T12:05:18.18UTC0TUE

I need to turn into 2013-06-28T08:54:00.000-03:00 (iso 8601 format).

There is something specific in php that helps me to transform this datetime?

What would that be 000-03:00 ?

php datetime

  • https://answall.com/questions/26976/buscar-data-7-dias-antes-da-data-actual-php/26982#26982

  • https://answall.com/questions/59580/como-converter-uma-data-para-esse-formato-em-php/59600#59600

1 answer

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Just start the constructor of DateTime passing your string as parameter:

$date = new DateTime('2018-10-23T12:05:18.18UTC0TUE')

And use the method DateTime::format to format in ISO8601

$date->format(DateTime::ISO8601);

It is possible to use the function date also:

date(DATE_ISO8601, strtotime('2018-10-23T12:05:18.18UTC0TUE'))

What would that be 000-03:00?

The 000-03:00 are actually two things together. The 000 is the end of the millisecond of your date.

The -03:00 is already referring to the Timezone of your date.

If you use the function DateTime::getTimezone(), you can get the object DateTimezone of its date.

Behold:

$date->getTimezone();

The result is:

DateTimeZone Object
(
    [timezone_type] => 3
    [timezone] => UTC
)

According to the Wikipedia:

[...] is the reference time zone from which all other time zones in the world are calculated.

Check out some date formatting constants on documentation

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