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Date/Time: Introduce wp_timezone_string() and wp_timezone() for unified timezone retrieval.

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* `wp_timezone_string()` retrieves the timezone from current settings as a string. Uses the `timezone_string` option to get a proper timezone if available, otherwise falls back to an offset.
* `wp_timezone()` retrieves the timezone from current settings as a `DateTimeZone` object. Timezone can be based on a PHP timezone string or a `±HH:MM` offset.

Props Rarst, remcotolsma, johnjamesjacoby, rmccue.
Fixes #24730.

git-svn-id: https://develop.svn.wordpress.org/trunk@45853 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov
2019-08-19 19:07:03 +00:00
parent f2b6c12ddb
commit 904b41e01c
2 changed files with 154 additions and 1 deletions
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44
src/wp-includes/functions.php
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@@ -74,7 +74,49 @@ function current_time( $type, $gmt = 0 ) {
}
/**
* Retrieve the date in localized format, based on a sum of Unix timestamp and
* Retrieves the timezone from current settings as a string.
*
* Uses the `timezone_string` option to get a proper timezone if available,
* otherwise falls back to an offset.
*
* @since 5.3.0
*
* @return string PHP timezone string or a ±HH:MM offset.
*/
function wp_timezone_string() {
$timezone_string = get_option( 'timezone_string' );
if ( $timezone_string ) {
return $timezone_string;
}
$offset = (float) get_option( 'gmt_offset' );
$hours = (int) $offset;
$minutes = ( $offset - $hours );
$sign = ( $offset < 0 ) ? '-' : '+';
$abs_hour = abs( $hours );
$abs_mins = abs( $minutes * 60 );
$tz_offset = sprintf( '%s%02d:%02d', $sign, $abs_hour, $abs_mins );
return $tz_offset;
}
/**
* Retrieves the timezone from current settings as a `DateTimeZone` object.
*
* Timezone can be based on a PHP timezone string or a ±HH:MM offset.
*
* @since 5.3.0
*
* @return DateTimeZone Timezone object.
*/
function wp_timezone() {
return new DateTimeZone( wp_timezone_string() );
}
/**
* Retrieves the date in localized format, based on a sum of Unix timestamp and
* timezone offset in seconds.
*
* If the locale specifies the locale month and weekday, then the locale will