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Ignore:
Timestamp:
10/20/2020 04:03:58 PM (9 months ago)
Author:
ocean90
Message:

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 $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.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/src/wp-includes/class-wp-locale-switcher.php

    r46586 r49236  
    197197
    198198        foreach ( $domains as $domain ) {
     199            // The default text domain is handled by `load_default_textdomain()`.
    199200            if ( 'default' === $domain ) {
    200201                continue;
    201202            }
    202203
    203             unload_textdomain( $domain );
     204            unload_textdomain( $domain, true );
    204205            get_translations_for_domain( $domain );
    205206        }
     
    219220     */
    220221    private function change_locale( $locale ) {
    221         // Reset translation availability information.
    222         _get_path_to_translation( null, true );
     222        global $wp_locale;
    223223
    224224        $this->load_translations( $locale );
    225225
    226         $GLOBALS['wp_locale'] = new WP_Locale();
     226        $wp_locale = new WP_Locale();
    227227
    228228        /**
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