It returns the warnings and errors .

<?php
echo “<pre>”;
try {
$date = new DateTime(‘phpcodez’);
} catch (Exception $e) {
print_r(DateTime::getLastErrors());
}
?>

Output

Array
(
[warning_count] => 1
[warnings] => Array
(
[6] => Double timezone specification
)

[error_count] => 1
[errors] => Array
(
[0] => The timezone could not be found in the database
)

)

It returns the warnings and errors and is an alias of DateTime::getLastErrors().

<?php
echo “<pre>”;
$date = date_create(‘phpcodez’);
print_r(date_get_last_errors());
?>

Output

Array
(
[warning_count] => 1
[warnings] => Array
(
[6] => Double timezone specification
)

[error_count] => 1
[errors] => Array
(
[0] => The timezone could not be found in the database
)

)

It Returns date formatted according to given format

<?php
$date = new DateTime(‘2007-05-17’);
echo $date->format(‘Y-m-d H:i:s’);
?>

Output

2007-05-17 00:00:00

It Returns date formatted according to given format and is an alias of DateTime::format()

Example

<?php
$date = date_create(‘2007-05-17’);
echo date_format($date, ‘Y-m-d H:i:s’);
?>

Output

2007-05-17 00:00:00

It can be used to find out the  difference between two dates

<?php
$datetime1 = new DateTime(‘2009-5-17’);
$datetime2 = new DateTime(‘2012-5-17’);
$interval = $datetime1->diff($datetime2);
echo $interval->format(‘%R%a days’);
?>

Output

+1096 days

It is an alias of DateTime::diff()  and can be used to find out the  difference between two dates

<?php
$date1 = date_create(‘2009-5-17’);
$date2 = date_create(‘2012-5-17’);
$interval = date_diff($date1, $date2);
echo $interval->format(‘%R%a days’);
?>

Output

+1096 days

It can be used to set the time zone

Example

<?php
date_default_timezone_set(‘Asia/Culcutta’);
echo date_default_timezone_get();
?>

Output

Asia/Calcutta

Gets the default timezone used by all date/time functions in a script

Example

<?php
echo date_default_timezone_get();
?>

Output

Asia/Calcutta

It sets the date .Example

<?php
$date = new DateTime();
$date->setDate(2011, 5, 17);
echo $date->format(‘Y-m-d’);
?>

echo $date->format(‘Y-m-d’);
?>

Output

2011-05-17