Date/Time: Eliminate use of `date_default_timezone_set()` for determining DST status on General Options screen.

Time calculations should not need to rely on manipulating global PHP configuration state.

Props Rarst.
Fixes #46483.
Built from https://develop.svn.wordpress.org/trunk@45556


git-svn-id: http://core.svn.wordpress.org/trunk@45367 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2019-06-20 14:11:53 +00:00
parent a06e914bae
commit 89e7a75d96
2 changed files with 5 additions and 7 deletions

View File

@ -252,10 +252,10 @@ if ( empty( $tzstring ) ) { // Create a UTC+- zone if no timezone string exists
<p class="timezone-info">
<span>
<?php
// Set TZ so localtime works.
date_default_timezone_set( $tzstring );
$now = localtime( time(), true );
if ( $now['tm_isdst'] ) {
$now = new DateTime( 'now', new DateTimeZone( $tzstring ) );
$dst = (bool) $now->format( 'I' );
if ( $dst ) {
_e( 'This timezone is currently in daylight saving time.' );
} else {
_e( 'This timezone is currently in standard time.' );
@ -296,8 +296,6 @@ if ( empty( $tzstring ) ) { // Create a UTC+- zone if no timezone string exists
_e( 'This timezone does not observe daylight saving time.' );
}
}
// Set back to UTC.
date_default_timezone_set( 'UTC' );
?>
</span>
</p>

View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.3-alpha-45555';
$wp_version = '5.3-alpha-45556';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.