Its an alias of DateTimeZone::getOffset() and returns the timezone offset from GMT

<?php
$dateTime =  date_create(‘2000-01-01’);
$dateTimeZone = timezone_open(‘Australia/Perth’);
print_r( timezone_offset_get($dateTimeZone, $dateTime) );
?>

Output

28800

It returns the timezone offset from GMT

<?php
$dateTimeZone = new DateTimeZone(‘Australia/Perth’);
echo $dateTimeZone->getOffset(new DateTime(“2000-01-01”, new DateTimezone( ‘GMT’ )));
?>

Output

28800

Its an alias of DateTimeZone::getName()and returns the name of the timezone

<?php
$date = date_create(‘2007-05-17’);
$timezone = timezone_open ( ‘Australia/Perth’ );
date_timezone_set( $date, $timezone );
$dateTimeZone = date_timezone_get($date);
echo ‘TimeZone is ‘. timezone_name_get($dateTimeZone);
?>

Output

TimeZone is Australia/Perth

It returns the name of the timezone

<?php
$date = new DateTime(‘2007-05-17’);
$timezone = timezone_open ( ‘Australia/Perth’ );
$date->setTimezone( $timezone );
echo ‘TimeZone is ‘. $timezone->getName();
?>

Output

TimeZone is Australia/Perth

It Returns the timezone name from abbreviation

<?php
echo timezone_name_from_abbr(“admt”);
?>

Output

Africa/Addis_Ababa

Its an  alias of DateTimeZone::getLocation()and  returns location information for a timezone

<?php
echo “<pre>”;
$timezone = new DateTimeZone(“Australia/Perth”);
print_r(timezone_location_get($timezone));
?>

Output

Array
(
[country_code] => AU
[latitude] => -31.95
[longitude] => 115.85
[comments] => Western Australia – most locations
)

It returns location details of a given timezone

<?php
$timezone_identifiers = timezone_identifiers_list();
for ($i=0; $i < 10; $i++)
echo $timezone_identifiers[$i].”<br />”;

?>
s

Output

Array
(
[country_code] => AU
[latitude] => -31.95
[longitude] => 115.85
[comments] => Western Australia – most locations
)

Its an alias of DateTimeZone::listIdentifiers()and   returns numerically index array with all timezone identifiers

<?php
$timezone_identifiers = timezone_identifiers_list();
for ($i=0; $i < 10; $i++)
echo $timezone_identifiers[$i].”<br />”;

?>
s

Output

Africa/Abidjan
Africa/Accra
Africa/Addis_Ababa
Africa/Algiers
Africa/Asmara
Africa/Bamako
Africa/Bangui
Africa/Banjul
Africa/Bissau
Africa/Blantyre

It  returns numerically index array with all timezone identifiers

<?php
$timezone_identifiers = DateTimeZone::listIdentifiers();
for ($i=0; $i < 10; $i++)
echo $timezone_identifiers[$i].”<br />”;

?>

Output

Africa/Abidjan
Africa/Accra
Africa/Addis_Ababa
Africa/Algiers
Africa/Asmara
Africa/Bamako
Africa/Bangui
Africa/Banjul
Africa/Bissau
Africa/Blantyre

Its an alias of DateTimeZone::listAbbreviations()and returns associative array containing dst, offset and the timezone name

<?php
echo “<pre>”;
$timezone = timezone_abbreviations_list();
print_r($timezone[‘admt’]);
?>

Output

Array
(
[0] => Array
(
[dst] =>
[offset] => 9320
[timezone_id] => Africa/Addis_Ababa
)

[1] => Array
(
[dst] =>
[offset] => 9320
[timezone_id] => Africa/Asmara
)

[2] => Array
(
[dst] =>
[offset] => 9320
[timezone_id] => Africa/Asmera
)

)