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173b9aa122
Previously, when using `switch_to_locale()` all current loaded text domains were unloaded and added to the `$l10n_unloaded` global. This prevented the just-in-time loading for text domains after a switch. The just-in-time loading was also only possible if the translations were stored in `WP_LANG_DIR`. Both issues have been fixed. * Adds `WP_Textdomain_Registry` to keep track of the language directory paths for all plugins and themes. * Updates all `load_*_textdomain()` functions to store the path in `WP_Textdomain_Registry`. * Adds `$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 catch this issue earlier. * Adds a new test plugin/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. Props yoavf, swissspidy, dd32, ocean90. See #26511. Fixes #39210. Built from https://develop.svn.wordpress.org/trunk@49236 git-svn-id: http://core.svn.wordpress.org/trunk@48998 1a063a9b-81f0-0310-95a4-ce76da25c4cd
131 lines
2.7 KiB
PHP
131 lines
2.7 KiB
PHP
<?php
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/**
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* Locale API: WP_Textdomain_Registry class
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*
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* @package WordPress
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* @subpackage i18n
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* @since 5.6.0
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*/
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/**
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* Core class used for registering text domains.
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*
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* @since 5.6.0
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*/
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class WP_Textdomain_Registry {
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/**
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* List of domains and their language directory paths.
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*
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* @since 5.6.0
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*
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* @var array
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*/
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protected $domains = array();
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/**
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* Holds a cached list of available .mo files to improve performance.
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*
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* @since 5.6.0
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*
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* @var array
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*/
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protected $cached_mo_files;
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/**
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* Returns the MO file path for a specific domain.
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*
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* @since 5.6.0
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*
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* @param string $domain Text domain.
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* @return string|false MO file path or false if there is none available.
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*/
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public function get( $domain ) {
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if ( isset( $this->domains[ $domain ] ) ) {
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return $this->domains[ $domain ];
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}
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return $this->get_path_from_lang_dir( $domain );
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}
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/**
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* Sets the MO file path for a specific domain.
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*
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* @since 5.6.0
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*
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* @param string $domain Text domain.
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* @param string|false $path Language directory path or false if there is none available.
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*/
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public function set( $domain, $path ) {
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$this->domains[ $domain ] = $path ? trailingslashit( $path ) : false;
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}
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/**
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* Resets the registry state.
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*
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* @since 5.6.0
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*/
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public function reset() {
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$this->cached_mo_files = null;
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$this->domains = array();
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}
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/**
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* Gets the path to a translation file in the languages directory for the current locale.
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*
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* @since 5.6.0
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*
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* @param string $domain Text domain.
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* @return string|false MO file path or false if there is none available.
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*/
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private function get_path_from_lang_dir( $domain ) {
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if ( null === $this->cached_mo_files ) {
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$this->cached_mo_files = array();
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$this->set_cached_mo_files();
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}
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$locale = determine_locale();
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$mofile = "{$domain}-{$locale}.mo";
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$path = WP_LANG_DIR . '/plugins/' . $mofile;
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if ( in_array( $path, $this->cached_mo_files, true ) ) {
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$path = WP_LANG_DIR . '/plugins/';
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$this->set( $domain, $path );
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return $path;
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}
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$path = WP_LANG_DIR . '/themes/' . $mofile;
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if ( in_array( $path, $this->cached_mo_files, true ) ) {
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$path = WP_LANG_DIR . '/themes/';
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$this->set( $domain, $path );
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return $path;
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}
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$this->set( $domain, false );
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return false;
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}
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/**
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* Reads and caches all available MO files from the plugins and themes language directories.
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*
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* @since 5.6.0
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*/
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protected function set_cached_mo_files() {
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$locations = array(
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WP_LANG_DIR . '/plugins',
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WP_LANG_DIR . '/themes',
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);
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foreach ( $locations as $location ) {
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$mo_files = glob( $location . '/*.mo' );
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if ( $mo_files ) {
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$this->cached_mo_files = array_merge( $this->cached_mo_files, $mo_files );
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}
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}
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}
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}
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