php iso 8601 format code example
Example 1: php format date
<?php
$old_date_format = "20/03/1999";
$new_data_format = date("Y-m-d H:i:s", strtotime($old_date_format));
Example 2: php convert date and time to iso 8601
$datetime = new DateTime('2010-12-30 23:21:46');
echo $datetime->format(DateTime::ATOM);
echo date(DATE_ISO8601, strtotime('2010-12-30 23:21:46'));
Example 3: ISO 8601 php
FYI: there's a list of constants with predefined formats on the DateTime object, for example instead of outputting ISO 8601 dates with:
<?php
echo date('c');
?>
or
<?php
echo date('Y-m-d\TH:i:sO');
?>
You can use
<?php
echo date(DateTime::ISO8601);
?>
instead, which is much easier to read.
Example 4: phph date
<?php
date_default_timezone_set('UTC');
echo date("l");
echo date('l jS \of F Y h:i:s A');
echo "July 1, 2000 is on a " . date("l", mktime(0, 0, 0, 7, 1, 2000));
echo date(DATE_RFC2822);
echo date(DATE_ATOM, mktime(0, 0, 0, 7, 1, 2000));
?>