function get($base, $opts=array())
{
- self::getOffsets();
+ self::getTimezones();
$data = array();
- foreach(self::$offsets as $tz => $o) {
- $arr = explode('/', $tz);
-
- if(!empty($_REQUEST['region']) && $_REQUEST['region'] != $arr[0]) {
+ foreach(self::$timezones as $tz => $o) {
+ if(!empty($_REQUEST['region']) && $_REQUEST['region'] != $o['region']) {
continue;
}
if(
!empty($_REQUEST['query']['area_start'])
&&
- substr(strtolower($arr[1]), 0, strlen($_REQUEST['query']['area_start'])) != strtolower($_REQUEST['query']['area_start'])
+ substr(strtolower($o['area']), 0, strlen($_REQUEST['query']['area_start'])) != strtolower($_REQUEST['query']['area_start'])
){
continue;
}
$data[] = array(
- 'region' => $arr[0],
- 'area' => $arr[1],
- 'offset' => $o,
- 'displayArea' => self::getDisplayArea($tz)
+ 'region' => $o['region'],
+ 'area' => $o['area'],
+ 'displayArea' => $o['displayArea']
);
}
'fields' => array(
'region',
'area',
- 'offset',
'displayArea'
)
),
}
$ce = DB_DataObject::factory('core_enum');
- $ce->query('
+ $ce->query("
SELECT
- *, TIME_FORMAT(TIMEDIFF(NOW(), CONVERT_TZ(NOW(), Name, "UTC")), "%H:%i") as timeOffset
+ *, TIME_FORMAT(TIMEDIFF(NOW(), CONVERT_TZ(NOW(), Name, 'UTC')), '%H:%i') as timeOffset
FROM
mysql.time_zone_name
+ WHERE
+ Name LIKE '%/%'
+ AND
+ Name NOT LIKE '%/%/%'
+ AND
+ Name NOT LIKE 'Etc%'
ORDER BY
- offset DESC,
+ timeoffset DESC,
Name DESC
- ');
+ ");
while($ce->fetch()) {
// ignroe timezone such as 'CET' and 'America/Argentina/Buenos_Aires'
- if(substr_count($ce->Name, '/') != 1) {
- continue;
- }
+
$ar = explode('/', $ce->Name);
// ignore timezone such as 'Etc/GMT+8'
- if($ar[0] == 'Etc') {
- continue;
- }
+
+
+ $displayArea = str_replace('_', ' ', $ar[1]);
+
+ $timeOffset = ((substr($ce->timeOffset, 0, 1) == '-') ? '' : '+') . $ce->timeOffset;
+ $displayOffset = '(GMT ' . $timeOffset . ')';
self::$timezones[$ce->Name] = array(
'region' => $ar[0],
- 'area' => $ar[1]
+ 'area' => $ar[1],
+ 'displayName' => $ar[0] . '/' . $displayArea . ' ' . $displayOffset,
+ 'displayArea' => $displayArea . ' ' . $displayOffset
);
+ }
- self::$timezones[$ce->Name]['displayArea'] =
- $ar[1] .
- ' (GMT ' .
- (substr($ce->timeOffset, 0, 1) == '-') ? '' : '+' .
- $ce->timeOffset .
- ')';
-
+ return self::$timezones;
+ }
+ static function isValidTimeZone($tz) {
+ try {
+ new DateTimeZone($tz);
+ }
+ catch (Exception $e) {
+ return false;
}
- return self::$offsets;
+ return true;
}
- static function getDisplayArea($timezone)
+ static function toRegion($tz)
{
- self::getOffsets();
+ if(!self::isValidTimeZone($tz)) {
+ return '';
+ }
+
+ return explode('/', $tz)[0];
+ }
- // invalid timezone
- if(!isset(self::$offsets[$timezone])) {
+ static function toArea($tz)
+ {
+ if(!self::isValidTimeZone($tz)) {
+ return '';
+ }
+
+ return explode('/', $tz)[1];
+ }
+
+ static function toTimeOffset($dt, $tz)
+ {
+ if(!self::isValidTimeZone($tz)) {
return '';
}
- $ar = explode('/', $timezone);
+ $date = new DateTime($dt, new DateTimeZone($tz));
+ return $date->format('P');
+ }
+
+ static function toDisplayArea($dt, $tz)
+ {
+ return str_replace('_', ' ', self::toArea($tz)) . ' (GMT ' . self::toTimeOffset($dt,$tz) . ')';
- // e.g. 'Hong_Kong (GMT +08:00)'
- return $ar[1] . ' (GMT ' . self::$offsets[$timezone] . ')';
}
-
+ static function toDisplayName($dt, $tz)
+ {
+ return self::toRegion($tz) . '/' . self::toDisplayArea($dt, $tz);
+ }
}
\ No newline at end of file