44 lines
1.1 KiB
PHP
44 lines
1.1 KiB
PHP
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<?php
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/**
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* Class ActionScheduler_TimezoneHelper
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*/
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abstract class ActionScheduler_TimezoneHelper {
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private static $local_timezone = NULL;
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public static function get_local_timezone( $reset = FALSE ) {
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if ( $reset ) {
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self::$local_timezone = NULL;
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}
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if ( !isset(self::$local_timezone) ) {
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$tzstring = get_option('timezone_string');
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if ( empty($tzstring) ) {
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$gmt_offset = get_option('gmt_offset');
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if ( $gmt_offset == 0 ) {
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$tzstring = 'UTC';
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} else {
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$gmt_offset *= HOUR_IN_SECONDS;
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$tzstring = timezone_name_from_abbr('', $gmt_offset);
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if ( false === $tzstring ) {
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$is_dst = date( 'I' );
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foreach ( timezone_abbreviations_list() as $abbr ) {
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foreach ( $abbr as $city ) {
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if ( $city['dst'] == $is_dst && $city['offset'] == $gmt_offset ) {
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$tzstring = $city['timezone_id'];
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break 2;
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}
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}
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}
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}
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if ( false === $tzstring ) {
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$tzstring = 'UTC';
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}
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}
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}
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self::$local_timezone = new DateTimeZone($tzstring);
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}
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return self::$local_timezone;
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}
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}
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