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I18N: Introduce `WP_Textdomain_Registry` to store text domains and their language directory paths. 

Previously, when using `switch_to_locale()` all current loaded text domains were unloaded and added to the `$l10n_unloaded` global. This prevented the just-in-time loading for text domains after a switch. The just-in-time loading was also only possible if the translations were stored in `WP_LANG_DIR`. Both issues have been fixed.

* Adds `WP_Textdomain_Registry` to keep track of the language directory paths for all plugins and themes.
* Updates all `load_*_textdomain()`  functions to store the path in `WP_Textdomain_Registry`.
* Adds `$locale` parameter to `load_textdomain()` to specify the locale the translation file is for.
* Adds `$reloadable` parameter to `unload_textdomain()` to define whether a text domain can be loaded just-in-time again. This is used by `WP_Locale_Switcher::load_translations()`.
* Extends `_load_textdomain_just_in_time()` to also support text domains of plugins and themes with custom language directories.
* Fixes the incorrect `test_plugin_translation_after_switching_locale_twice()` test which should have caught this issue earlier.
* Adds a new test plugin and theme to test the loading of translations with a custom language directory.
* Deprecates the now unused and private `_get_path_to_translation()` and `_get_path_to_translation_from_lang_dir()` functions.

Previously added in [49236] and reverted in [49236] to investigate concerns which are now addressed here.

Props yoavf, swissspidy, dd32, ocean90.
See #26511.
Fixes #39210.
Built from https://develop.svn.wordpress.org/trunk@53874


git-svn-id: http://core.svn.wordpress.org/trunk@53433 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Pascal Birchler 2022-08-11 12:39:12 +00:00
parent 50e3e21cb2
commit bb9f57429a
6 changed files with 369 additions and 110 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
wp-includes/class-wp-locale-switcher.php
View File

@ -196,11 +196,14 @@ class WP_Locale_Switcher {
load_default_textdomain( $locale );
foreach ( $domains as $domain ) {
// The default text domain is handled by `load_default_textdomain()`.
if ( 'default' === $domain ) {
continue;
}
unload_textdomain( $domain );
// Unload current text domain but allow them to be reloaded
// after switching back or to another locale.
unload_textdomain( $domain, true );
get_translations_for_domain( $domain );
}
}
@ -218,12 +221,11 @@ class WP_Locale_Switcher {
* @param string $locale The locale to change to.
*/
private function change_locale( $locale ) {
// Reset translation availability information.
_get_path_to_translation( null, true );
global $wp_locale;
$this->load_translations( $locale );
$GLOBALS['wp_locale'] = new WP_Locale();
$wp_locale = new WP_Locale();
/**
* Fires when the locale is switched to or restored.

184
wp-includes/class-wp-textdomain-registry.php Normal file
View File

@ -0,0 +1,184 @@
<?php
/**
* Locale API: WP_Textdomain_Registry class
*
* @package WordPress
* @subpackage i18n
* @since 6.1.0
*/
/**
* Core class used for registering text domains.
*
* @since 6.1.0
*/
class WP_Textdomain_Registry {
/**
* List of domains and all their language directory paths for each locale.
*
* @since 6.1.0
*
* @var array
*/
protected $all = array();
/**
* List of domains and their language directory path for the current (most recent) locale.
*
* @since 6.1.0
*
* @var array
*/
protected $current = array();
/**
* Holds a cached list of available .mo files to improve performance.
*
* @since 6.1.0
*
* @var array
*/
protected $cached_mo_files;
/**
* Returns the MO file path for a specific domain and locale.
*
* @since 6.1.0
*
* @param string $domain Text domain.
* @param string $locale Locale.
*
* @return string|false MO file path or false if there is none available.
*/
public function get( $domain, $locale ) {
if ( isset( $this->all[ $domain ][ $locale ] ) ) {
return $this->all[ $domain ][ $locale ];
}
return $this->get_path_from_lang_dir( $domain, $locale );
}
/**
* Determines whether any MO file paths are available for the domain.
*
* @since 6.1.0
*
* @param string $domain Text domain.
* @return bool Whether any MO file paths are available for the domain.
*/
public function has( $domain ) {
return ! empty( $this->all[ $domain ] );
}
/**
* Returns the current (most recent) MO file path for a specific domain.
*
* @since 6.1.0
*
* @param string $domain Text domain.
* @return string|false Current MO file path or false if there is none available.
*/
public function get_current( $domain ) {
if ( isset( $this->current[ $domain ] ) ) {
return $this->current[ $domain ];
}
return false;
}
/**
* Sets the MO file path for a specific domain and locale.
*
* Also sets the 'current' property for direct access
* to the path for the current (most recent) locale.
*
* @since 6.1.0
*
* @param string $domain Text domain.
* @param string $locale Locale.
* @param string|false $path Language directory path or false if there is none available.
*/
public function set( $domain, $locale, $path ) {
$this->all[ $domain ][ $locale ] = $path ? trailingslashit( $path ) : false;
$this->current[ $domain ] = $this->all[ $domain ][ $locale ];
}
/**
* Resets the registry state.
*
* @since 6.1.0
*/
public function reset() {
$this->cached_mo_files = null;
$this->all = array();
$this->current = array();
}
/**
* Gets the path to a translation file in the languages directory for the current locale.
*
* @since 6.1.0
*
* @param string $domain Text domain.
* @param string $locale Locale.
* @return string|false MO file path or false if there is none available.
*/
private function get_path_from_lang_dir( $domain, $locale ) {
if ( null === $this->cached_mo_files ) {
$this->set_cached_mo_files();
}
$mofile = "{$domain}-{$locale}.mo";
$path = WP_LANG_DIR . '/plugins/' . $mofile;
if ( in_array( $path, $this->cached_mo_files, true ) ) {
$path = WP_LANG_DIR . '/plugins/';
$this->set( $domain, $locale, $path );
return $path;
}
$path = WP_LANG_DIR . '/themes/' . $mofile;
if ( in_array( $path, $this->cached_mo_files, true ) ) {
$path = WP_LANG_DIR . '/themes/';
$this->set( $domain, $locale, $path );
return $path;
}
// If no path is found for the given locale, check if an entry for the default
// en_US locale exists. This is the case when e.g. using load_plugin_textdomain
// with a custom path.
if ( 'en_US' !== $locale && isset( $this->all[ $domain ]['en_US'] ) ) {
$this->set( $domain, $locale, $this->all[ $domain ]['en_US'] );
return $this->all[ $domain ]['en_US'];
}
$this->set( $domain, $locale, false );
return false;
}
/**
* Reads and caches all available MO files from the plugins and themes language directories.
*
* @since 6.1.0
*/
protected function set_cached_mo_files() {
$this->cached_mo_files = array();
$locations = array(
WP_LANG_DIR . '/plugins',
WP_LANG_DIR . '/themes',
);
foreach ( $locations as $location ) {
$mo_files = glob( $location . '/*.mo' );
if ( $mo_files ) {
$this->cached_mo_files = array_merge( $this->cached_mo_files, $mo_files );
}
}
}
}

82
wp-includes/deprecated.php
View File

@ -4360,3 +4360,85 @@ function wp_get_attachment_thumb_file( $post_id = 0 ) {
return false;
}
/**
* Gets the path to a translation file for loading a textdomain just in time.
*
* Caches the retrieved results internally.
*
* @since 4.7.0
* @deprecated 6.1.0
* @access private
*
* @see _load_textdomain_just_in_time()
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param bool $reset Whether to reset the internal cache. Used by the switch to locale functionality.
* @return string|false The path to the translation file or false if no translation file was found.
*/
function _get_path_to_translation( $domain, $reset = false ) {
_deprecated_function( __FUNCTION__, '6.1.0', 'WP_Textdomain_Registry' );
static $available_translations = array();
if ( true === $reset ) {
$available_translations = array();
}
if ( ! isset( $available_translations[ $domain ] ) ) {
$available_translations[ $domain ] = _get_path_to_translation_from_lang_dir( $domain );
}
return $available_translations[ $domain ];
}
/**
* Gets the path to a translation file in the languages directory for the current locale.
*
* Holds a cached list of available .mo files to improve performance.
*
* @since 4.7.0
* @deprecated 6.1.0
* @access private
*
* @see _get_path_to_translation()
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @return string|false The path to the translation file or false if no translation file was found.
*/
function _get_path_to_translation_from_lang_dir( $domain ) {
_deprecated_function( __FUNCTION__, '6.1.0', 'WP_Textdomain_Registry' );
static $cached_mofiles = null;
if ( null === $cached_mofiles ) {
$cached_mofiles = array();
$locations = array(
WP_LANG_DIR . '/plugins',
WP_LANG_DIR . '/themes',
);
foreach ( $locations as $location ) {
$mofiles = glob( $location . '/*.mo' );
if ( $mofiles ) {
$cached_mofiles = array_merge( $cached_mofiles, $mofiles );
}
}
}
$locale = determine_locale();
$mofile = "{$domain}-{$locale}.mo";
$path = WP_LANG_DIR . '/plugins/' . $mofile;
if ( in_array( $path, $cached_mofiles, true ) ) {
return $path;
}
$path = WP_LANG_DIR . '/themes/' . $mofile;
if ( in_array( $path, $cached_mofiles, true ) ) {
return $path;
}
return false;
}

189
wp-includes/l10n.php
View File

@ -704,16 +704,20 @@ function translate_nooped_plural( $nooped_plural, $count, $domain = 'default' )
* and will be a MO object.
*
* @since 1.5.0
* @since 6.1.0 Added the `$locale` parameter.
*
* @global MO[] $l10n An array of all currently loaded text domains.
* @global MO[] $l10n_unloaded An array of all text domains that have been unloaded again.
* @global MO[] $l10n An array of all currently loaded text domains.
* @global MO[] $l10n_unloaded An array of all text domains that have been unloaded again.
* @global WP_Textdomain_Registry $wp_textdomain_registry WordPress Textdomain Registry.
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param string $mofile Path to the .mo file.
* @param string $locale Optional. Locale. Default is the current locale.
* @return bool True on success, false on failure.
*/
function load_textdomain( $domain, $mofile ) {
global $l10n, $l10n_unloaded;
function load_textdomain( $domain, $mofile, $locale = null ) {
/** @var WP_Textdomain_Registry $wp_textdomain_registry */
global $l10n, $l10n_unloaded, $wp_textdomain_registry;
$l10n_unloaded = (array) $l10n_unloaded;
@ -758,8 +762,14 @@ function load_textdomain( $domain, $mofile ) {
return false;
}
if ( ! $locale ) {
$locale = determine_locale();
}
$mo = new MO();
if ( ! $mo->import_from_file( $mofile ) ) {
$wp_textdomain_registry->set( $domain, $locale, false );
return false;
}
@ -771,6 +781,8 @@ function load_textdomain( $domain, $mofile ) {
$l10n[ $domain ] = &$mo;
$wp_textdomain_registry->set( $domain, $locale, dirname( $mofile ) );
return true;
}
@ -778,14 +790,16 @@ function load_textdomain( $domain, $mofile ) {
* Unloads translations for a text domain.
*
* @since 3.0.0
* @since 6.1.0 Added the `$reloadable` parameter.
*
* @global MO[] $l10n An array of all currently loaded text domains.
* @global MO[] $l10n_unloaded An array of all text domains that have been unloaded again.
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param bool $reloadable Whether the text domain can be loaded just-in-time again.
* @return bool Whether textdomain was unloaded.
*/
function unload_textdomain( $domain ) {
function unload_textdomain( $domain, $reloadable = false ) {
global $l10n, $l10n_unloaded;
$l10n_unloaded = (array) $l10n_unloaded;
@ -794,14 +808,18 @@ function unload_textdomain( $domain ) {
* Filters whether to override the text domain unloading.
*
* @since 3.0.0
* @since 6.1.0 Added the `$reloadable` parameter.
*
* @param bool $override Whether to override the text domain unloading. Default false.
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param bool $override Whether to override the text domain unloading. Default false.
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param bool $reloadable Whether the text domain can be loaded just-in-time again.
*/
$plugin_override = apply_filters( 'override_unload_textdomain', false, $domain );
$plugin_override = apply_filters( 'override_unload_textdomain', false, $domain, $reloadable );
if ( $plugin_override ) {
$l10n_unloaded[ $domain ] = true;
if ( ! $reloadable ) {
$l10n_unloaded[ $domain ] = true;
}
return true;
}
@ -810,15 +828,19 @@ function unload_textdomain( $domain ) {
* Fires before the text domain is unloaded.
*
* @since 3.0.0
* @since 6.1.0 Added the `$reloadable` parameter.
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param bool $reloadable Whether the text domain can be loaded just-in-time again.
*/
do_action( 'unload_textdomain', $domain );
do_action( 'unload_textdomain', $domain, $reloadable );
if ( isset( $l10n[ $domain ] ) ) {
unset( $l10n[ $domain ] );
$l10n_unloaded[ $domain ] = true;
if ( ! $reloadable ) {
$l10n_unloaded[ $domain ] = true;
}
return true;
}
@ -847,19 +869,19 @@ function load_default_textdomain( $locale = null ) {
// Unload previously loaded strings so we can switch translations.
unload_textdomain( 'default' );
$return = load_textdomain( 'default', WP_LANG_DIR . "/$locale.mo" );
$return = load_textdomain( 'default', WP_LANG_DIR . "/$locale.mo", $locale );
if ( ( is_multisite() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK ) ) && ! file_exists( WP_LANG_DIR . "/admin-$locale.mo" ) ) {
load_textdomain( 'default', WP_LANG_DIR . "/ms-$locale.mo" );
load_textdomain( 'default', WP_LANG_DIR . "/ms-$locale.mo", $locale );
return $return;
}
if ( is_admin() || wp_installing() || ( defined( 'WP_REPAIRING' ) && WP_REPAIRING ) ) {
load_textdomain( 'default', WP_LANG_DIR . "/admin-$locale.mo" );
load_textdomain( 'default', WP_LANG_DIR . "/admin-$locale.mo", $locale );
}
if ( is_network_admin() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK ) ) {
load_textdomain( 'default', WP_LANG_DIR . "/admin-network-$locale.mo" );
load_textdomain( 'default', WP_LANG_DIR . "/admin-network-$locale.mo", $locale );
}
return $return;
@ -883,6 +905,9 @@ function load_default_textdomain( $locale = null ) {
* @return bool True when textdomain is successfully loaded, false otherwise.
*/
function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path = false ) {
/** @var WP_Textdomain_Registry $wp_textdomain_registry */
global $wp_textdomain_registry;
/**
* Filters a plugin's locale.
*
@ -896,7 +921,7 @@ function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path
$mofile = $domain . '-' . $locale . '.mo';
// Try to load from the languages directory first.
if ( load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile ) ) {
if ( load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile, $locale ) ) {
return true;
}
@ -909,7 +934,9 @@ function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path
$path = WP_PLUGIN_DIR;
}
return load_textdomain( $domain, $path . '/' . $mofile );
$wp_textdomain_registry->set( $domain, $locale, $path );
return load_textdomain( $domain, $path . '/' . $mofile, $locale );
}
/**
@ -918,25 +945,32 @@ function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path
* @since 3.0.0
* @since 4.6.0 The function now tries to load the .mo file from the languages directory first.
*
* @global WP_Textdomain_Registry $wp_textdomain_registry WordPress Textdomain Registry.
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param string $mu_plugin_rel_path Optional. Relative to `WPMU_PLUGIN_DIR` directory in which the .mo
* file resides. Default empty string.
* @return bool True when textdomain is successfully loaded, false otherwise.
*/
function load_muplugin_textdomain( $domain, $mu_plugin_rel_path = '' ) {
/** @var WP_Textdomain_Registry $wp_textdomain_registry */
global $wp_textdomain_registry;
/** This filter is documented in wp-includes/l10n.php */
$locale = apply_filters( 'plugin_locale', determine_locale(), $domain );
$mofile = $domain . '-' . $locale . '.mo';
// Try to load from the languages directory first.
if ( load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile ) ) {
if ( load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile, $locale ) ) {
return true;
}
$path = WPMU_PLUGIN_DIR . '/' . ltrim( $mu_plugin_rel_path, '/' );
return load_textdomain( $domain, $path . '/' . $mofile );
$wp_textdomain_registry->set( $domain, $locale, $path );
return load_textdomain( $domain, $path . '/' . $mofile, $locale );
}
/**
@ -950,12 +984,17 @@ function load_muplugin_textdomain( $domain, $mu_plugin_rel_path = '' ) {
* @since 1.5.0
* @since 4.6.0 The function now tries to load the .mo file from the languages directory first.
*
* @global WP_Textdomain_Registry $wp_textdomain_registry WordPress Textdomain Registry.
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param string|false $path Optional. Path to the directory containing the .mo file.
* Default false.
* @return bool True when textdomain is successfully loaded, false otherwise.
*/
function load_theme_textdomain( $domain, $path = false ) {
/** @var WP_Textdomain_Registry $wp_textdomain_registry */
global $wp_textdomain_registry;
/**
* Filters a theme's locale.
*
@ -969,7 +1008,7 @@ function load_theme_textdomain( $domain, $path = false ) {
$mofile = $domain . '-' . $locale . '.mo';
// Try to load from the languages directory first.
if ( load_textdomain( $domain, WP_LANG_DIR . '/themes/' . $mofile ) ) {
if ( load_textdomain( $domain, WP_LANG_DIR . '/themes/' . $mofile, $locale ) ) {
return true;
}
@ -977,7 +1016,9 @@ function load_theme_textdomain( $domain, $path = false ) {
$path = get_template_directory();
}
return load_textdomain( $domain, $path . '/' . $locale . '.mo' );
$wp_textdomain_registry->set( $domain, $locale, $path );
return load_textdomain( $domain, $path . '/' . $locale . '.mo', $locale );
}
/**
@ -1198,7 +1239,7 @@ function load_script_translations( $file, $handle, $domain ) {
}
/**
* Loads plugin and theme textdomains just-in-time.
* Loads plugin and theme text domains just-in-time.
*
* When a textdomain is encountered for the first time, we try to load
* the translation file from `wp-content/languages`, removing the need
@ -1207,14 +1248,15 @@ function load_script_translations( $file, $handle, $domain ) {
* @since 4.6.0
* @access private
*
* @see get_translations_for_domain()
* @global MO[] $l10n_unloaded An array of all text domains that have been unloaded again.
* @global MO[] $l10n_unloaded An array of all text domains that have been unloaded again.
* @global WP_Textdomain_Registry $wp_textdomain_registry WordPress Textdomain Registry.
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @return bool True when the textdomain is successfully loaded, false otherwise.
*/
function _load_textdomain_just_in_time( $domain ) {
global $l10n_unloaded;
/** @var WP_Textdomain_Registry $wp_textdomain_registry */
global $l10n_unloaded, $wp_textdomain_registry;
$l10n_unloaded = (array) $l10n_unloaded;
@ -1223,88 +1265,25 @@ function _load_textdomain_just_in_time( $domain ) {
return false;
}
$translation_path = _get_path_to_translation( $domain );
if ( false === $translation_path ) {
if ( $wp_textdomain_registry->has( $domain ) && ! $wp_textdomain_registry->get_current( $domain ) ) {
return false;
}
return load_textdomain( $domain, $translation_path );
}
/**
* Gets the path to a translation file for loading a textdomain just in time.
*
* Caches the retrieved results internally.
*
* @since 4.7.0
* @access private
*
* @see _load_textdomain_just_in_time()
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param bool $reset Whether to reset the internal cache. Used by the switch to locale functionality.
* @return string|false The path to the translation file or false if no translation file was found.
*/
function _get_path_to_translation( $domain, $reset = false ) {
static $available_translations = array();
if ( true === $reset ) {
$available_translations = array();
}
if ( ! isset( $available_translations[ $domain ] ) ) {
$available_translations[ $domain ] = _get_path_to_translation_from_lang_dir( $domain );
}
return $available_translations[ $domain ];
}
/**
* Gets the path to a translation file in the languages directory for the current locale.
*
* Holds a cached list of available .mo files to improve performance.
*
* @since 4.7.0
* @access private
*
* @see _get_path_to_translation()
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @return string|false The path to the translation file or false if no translation file was found.
*/
function _get_path_to_translation_from_lang_dir( $domain ) {
static $cached_mofiles = null;
if ( null === $cached_mofiles ) {
$cached_mofiles = array();
$locations = array(
WP_LANG_DIR . '/plugins',
WP_LANG_DIR . '/themes',
);
foreach ( $locations as $location ) {
$mofiles = glob( $location . '/*.mo' );
if ( $mofiles ) {
$cached_mofiles = array_merge( $cached_mofiles, $mofiles );
}
}
}
$locale = determine_locale();
$mofile = "{$domain}-{$locale}.mo";
$path = WP_LANG_DIR . '/plugins/' . $mofile;
if ( in_array( $path, $cached_mofiles, true ) ) {
return $path;
$path = $wp_textdomain_registry->get( $domain, $locale );
if ( ! $path ) {
return false;
}
// Themes with their language directory outside of WP_LANG_DIR have a different file name.
$template_directory = trailingslashit( get_template_directory() );
$stylesheet_directory = trailingslashit( get_stylesheet_directory() );
if ( str_starts_with( $path, $template_directory ) || str_starts_with( $path, $stylesheet_directory ) ) {
$mofile = "{$path}{$locale}.mo";
} else {
$mofile = "{$path}{$domain}-{$locale}.mo";
}
$path = WP_LANG_DIR . '/themes/' . $mofile;
if ( in_array( $path, $cached_mofiles, true ) ) {
return $path;
}
return false;
return load_textdomain( $domain, $mofile, $locale );
}
/**
@ -1314,7 +1293,7 @@ function _get_path_to_translation_from_lang_dir( $domain ) {
*
* @since 2.8.0
*
* @global MO[] $l10n
* @global MO[] $l10n An array of all currently loaded text domains.
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @return Translations|NOOP_Translations A Translations instance.
@ -1338,7 +1317,7 @@ function get_translations_for_domain( $domain ) {
*
* @since 3.0.0
*
* @global MO[] $l10n
* @global MO[] $l10n An array of all currently loaded text domains.
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @return bool Whether there are translations.

2
wp-includes/version.php
View File

@ -16,7 +16,7 @@
*
* @global string $wp_version
*/
$wp_version = '6.1-alpha-53873';
$wp_version = '6.1-alpha-53874';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.

12
wp-settings.php
View File

@ -152,6 +152,7 @@ if ( SHORTINIT ) {
// Load the L10n library.
require_once ABSPATH . WPINC . '/l10n.php';
require_once ABSPATH . WPINC . '/class-wp-textdomain-registry.php';
require_once ABSPATH . WPINC . '/class-wp-locale.php';
require_once ABSPATH . WPINC . '/class-wp-locale-switcher.php';
@ -334,6 +335,17 @@ require ABSPATH . WPINC . '/block-supports/typography.php';
$GLOBALS['wp_embed'] = new WP_Embed();
/**
* WordPress Textdomain Registry object.
*
* Used to support just-in-time translations for manually loaded text domains.
*
* @since 6.1.0
*
* @global WP_Textdomain_Registry $wp_textdomain_registry WordPress Textdomain Registry.
*/
$GLOBALS['wp_textdomain_registry'] = new WP_Textdomain_Registry();
// Load multisite-specific files.
if ( is_multisite() ) {
require ABSPATH . WPINC . '/ms-functions.php';