Подключение языка

/*
* Make theme available for translation.
* Translations can be filed in the /languages/ directory.
* If you’re building a theme based on WP Book, use a find and replace
* to change ‘wp-book’ to the name of your theme in all the template files.
*/
load_theme_textdomain( ‘wp-book’, get_template_directory() . ‘/languages’ );