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Date/Time: Introduce wp_date() to retrieve the date in localized format.

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Convert `date_i18n()` into a wrapper for `wp_date()`.

`wp_date()` is intended as a replacement for `date_i18n()` without legacy quirks in it. It accepts a true Unix timestamp (not summed with timezone offset) and an arbitrary timezone.

Props Rarst, mboynes, MikeHansenMe, rmccue, nacin.
Fixes #28636.
Built from https://develop.svn.wordpress.org/trunk@45901


git-svn-id: http://core.svn.wordpress.org/trunk@45712 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2019-08-28 00:52:56 +00:00
parent 61d5337aca
commit 12aa694ee5
3 changed files with 93 additions and 56 deletions
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2
wp-includes/default-filters.php
View File

@ -209,8 +209,6 @@ add_filter( 'widget_text_content', 'wpautop' );
add_filter( 'widget_text_content', 'shortcode_unautop' );
add_filter( 'widget_text_content', 'do_shortcode', 11 ); // Runs after wpautop(); note that $post global will be null when shortcodes run.
add_filter( 'date_i18n', 'wp_maybe_decline_date' );
// RSS filters
add_filter( 'the_title_rss', 'strip_tags' );
add_filter( 'the_title_rss', 'ent2ncr', 8 );

145
wp-includes/functions.php
View File

@ -91,7 +91,7 @@ function current_datetime() {
}
/**
* Retrieves the timezone from current settings as a string.
* Retrieves the timezone from site settings as a string.
*
* Uses the `timezone_string` option to get a proper timezone if available,
* otherwise falls back to an offset.
@ -120,7 +120,7 @@ function wp_timezone_string() {
}
/**
* Retrieves the timezone from current settings as a `DateTimeZone` object.
* Retrieves the timezone from site settings as a `DateTimeZone` object.
*
* Timezone can be based on a PHP timezone string or a ±HH:MM offset.
*
@ -146,63 +146,101 @@ function wp_timezone() {
* will lead to invalid output.
*
* @since 0.71
* @since 5.3.0 Converted into a wrapper for wp_date().
*
* @global WP_Locale $wp_locale WordPress date and time locale object.
*
* @param string $dateformatstring Format to display the date.
* @param string $format Format to display the date.
* @param int|bool $timestamp_with_offset Optional. A sum of Unix timestamp and timezone offset in seconds.
* Default false.
* @param bool $gmt Optional. Whether to use GMT timezone. Only applies if timestamp is
* not provided. Default false.
*
* @return string The date, translated if locale specifies it.
*/
function date_i18n( $dateformatstring, $timestamp_with_offset = false, $gmt = false ) {
global $wp_locale;
$i = $timestamp_with_offset;
if ( ! is_numeric( $i ) ) {
$i = current_time( 'timestamp', $gmt );
}
/*
* Store original value for language with untypical grammars.
* See https://core.trac.wordpress.org/ticket/9396
*/
$req_format = $dateformatstring;
$new_format = '';
// We need to unpack shorthand `r` format because it has parts that might be localized.
$dateformatstring = preg_replace( '/(?<!\\\\)r/', DATE_RFC2822, $dateformatstring );
/*
* Timestamp with offset is typically produced by a UTC `strtotime()` call on an input without timezone.
* This is the best attempt to reverse that operation into a local time to use.
*/
$local_time = gmdate( 'Y-m-d H:i:s', $i );
$gmt_mode = $gmt && ( false === $timestamp_with_offset );
$timezone = $gmt_mode ? new DateTimeZone( 'UTC' ) : wp_timezone();
$datetime = date_create( $local_time, $timezone );
function date_i18n( $format, $timestamp_with_offset = false, $gmt = false ) {
// If timestamp is omitted it should be current time (summed with offset, unless `$gmt` is true).
$timestamp = $timestamp_with_offset ? $timestamp_with_offset : current_time( 'timestamp', $gmt );
/*
* This is a legacy implementation quirk that the returned timestamp is also with offset.
* Ideally this function should never be used to produce a timestamp.
*/
$timestamp_mode = ( 'U' === $dateformatstring );
if ( $timestamp_mode ) {
$new_format = $i;
if ( 'U' === $format ) {
$date = $timestamp;
} elseif ( $gmt && ! $timestamp_with_offset ) { // Current time in UTC.
$date = wp_date( $format, null, new DateTimeZone( 'UTC' ) );
} elseif ( ! $timestamp_with_offset ) { // Current time in site's timezone.
$date = wp_date( $format );
} else {
/*
* Timestamp with offset is typically produced by a UTC `strtotime()` call on an input without timezone.
* This is the best attempt to reverse that operation into a local time to use.
*/
$local_time = gmdate( 'Y-m-d H:i:s', $timestamp );
$timezone = wp_timezone();
$datetime = date_create( $local_time, $timezone );
$date = wp_date( $format, $datetime->getTimestamp(), $timezone );
}
if ( ! $timestamp_mode && ! empty( $wp_locale->month ) && ! empty( $wp_locale->weekday ) ) {
$month = $wp_locale->get_month( $datetime->format( 'm' ) );
$weekday = $wp_locale->get_weekday( $datetime->format( 'w' ) );
/**
* Filters the date formatted based on the locale.
*
* @since 2.8.0
*
* @param string $date Formatted date string.
* @param string $format Format to display the date.
* @param int $timestamp A sum of Unix timestamp and timezone offset in seconds.
* Might be without offset if input omitted timestamp but requested GMT.
* @param bool $gmt Whether to use GMT timezone. Only applies if timestamp was not provided.
* Default false.
*/
$date = apply_filters( 'date_i18n', $date, $format, $timestamp, $gmt );
$format_length = strlen( $dateformatstring );
return $date;
}
/**
* Retrieves the date, in localized format.
*
* This is a newer function, intended to replace `date_i18n()` without legacy quirks in it.
*
* Note that, unlike `date_i18n()`, this function accepts a true Unix timestamp, not summed with timezone offset.
*
* @since 5.3.0
*
* @param string $format PHP date format.
* @param int $timestamp Optional. Unix timestamp. Defaults to current time.
* @param DateTimeZone $timezone Optional. Timezone to output result in. Defaults to timezone from site settings.
*
* @return string The date, translated if locale specifies it.
*/
function wp_date( $format, $timestamp = null, $timezone = null ) {
global $wp_locale;
if ( ! $timestamp ) {
$timestamp = time();
}
if ( ! $timezone ) {
$timezone = wp_timezone();
}
$datetime = date_create( '@' . $timestamp );
$datetime->setTimezone( $timezone );
if ( empty( $wp_locale->month ) || empty( $wp_locale->weekday ) ) {
$date = $datetime->format( $format );
} else {
// We need to unpack shorthand `r` format because it has parts that might be localized.
$format = preg_replace( '/(?<!\\\\)r/', DATE_RFC2822, $format );
$new_format = '';
$format_length = strlen( $format );
$month = $wp_locale->get_month( $datetime->format( 'm' ) );
$weekday = $wp_locale->get_weekday( $datetime->format( 'w' ) );
for ( $i = 0; $i < $format_length; $i ++ ) {
switch ( $dateformatstring[ $i ] ) {
switch ( $format[ $i ] ) {
case 'D':
$new_format .= backslashit( $wp_locale->get_weekday_abbrev( $weekday ) );
break;
@ -222,36 +260,37 @@ function date_i18n( $dateformatstring, $timestamp_with_offset = false, $gmt = fa
$new_format .= backslashit( $wp_locale->get_meridiem( $datetime->format( 'A' ) ) );
break;
case '\\':
$new_format .= $dateformatstring[ $i ];
$new_format .= $format[ $i ];
// If character follows a slash, we add it without translating.
if ( $i < $format_length ) {
$new_format .= $dateformatstring[ ++$i ];
$new_format .= $format[ ++$i ];
}
break;
default:
$new_format .= $dateformatstring[ $i ];
$new_format .= $format[ $i ];
break;
}
}
}
$j = $datetime->format( $new_format );
$date = $datetime->format( $new_format );
$date = wp_maybe_decline_date( $date );
}
/**
* Filters the date formatted based on the locale.
*
* @since 2.8.0
* @since 5.3.0
*
* @param string $date Formatted date string.
* @param string $format Format to display the date.
* @param int $timestamp Unix timestamp.
* @param DateTimeZone $timezone Timezone.
*
* @param string $j Formatted date string.
* @param string $req_format Format to display the date.
* @param int $i A sum of Unix timestamp and timezone offset in seconds.
* @param bool $gmt Whether to use GMT timezone. Only applies if timestamp was
* not provided. Default false.
*/
$j = apply_filters( 'date_i18n', $j, $req_format, $i, $gmt );
$date = apply_filters( 'wp_date', $date, $format, $timestamp, $timezone );
return $j;
return $date;
}
/**

2
wp-includes/version.php
View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.3-alpha-45900';
$wp_version = '5.3-alpha-45901';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.