load_child_theme_textdomain( string $domain, string|false $path = false ): bool

Loads the child theme’s translated strings.

Description

If the current locale exists as a .mo file in the child theme’s root directory, it will be included in the translated strings by the $domain.

The .mo files must be named based on the locale exactly.

Parameters

$domainstringrequired
Text domain. Unique identifier for retrieving translated strings.
$pathstring|falseoptional
Path to the directory containing the .mo file.

Default:false

Return

bool True when the theme textdomain is successfully loaded, false otherwise.

More Information

Internationalization and localization (other common spellings are internationalisation and localisation) are means of adapting computer software to different languages.

  • l10n is an abbreviation for localization.
  • i18n 18 stands for the number of letters between the first i and last n in internationalization.

Source

function load_child_theme_textdomain( $domain, $path = false ) {
	if ( ! $path ) {
		$path = get_stylesheet_directory();
	}
	return load_theme_textdomain( $domain, $path );
}

Changelog

VersionDescription
2.9.0Introduced.

User Contributed Notes

  1. Skip to note 3 content

    The load_child_theme_textdomain() function should generally be called from within the after_setup_theme action hook, just the same as with its related load_theme_textdomain() function.

    /**
     * Loads the child theme textdomain.
     */
    function wpdocs_child_theme_setup() {
        load_child_theme_textdomain( 'my_parent_theme', get_stylesheet_directory() . '/languages' );
    }
    add_action( 'after_setup_theme', 'wpdocs_child_theme_setup' );

    ‘my_parent_theme’ = The name of the Main theme

    The .mo files must use language-only filenames, like languages/de_DE.mo in your child theme directory.

    Unlike plugin language files, a name like my_child_theme-de_DE.mo will NOT work. Although plugin language files allow you to specify the text-domain in the filename, this will NOT work with themes and child themes. Language files for themes should include the language shortcut ONLY.

  2. Skip to note 4 content

    Might be useful for beginners to also know that in the note above
    ‘wpdocs_child_theme_setup’ = The name of your child theme,
    hence that needs to be changed in line 4 and line 7 in the code snippet shown above.
    And in that same example the .mo and .po files are not uploaded to the child-theme root, but to a folder named languages inside the child-folder.

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