function template_preprocess_book_export_html

Prepares variables for book export templates.

Default template: book-export-html.html.twig.

Parameters

array $variables: An associative array containing:

• title: The title of the book.
• contents: Output of each book page.
• depth: The max depth of the book.

File

core/modules/book/book.module, line 470

Code

function template_preprocess_book_export_html(&$variables) {
    global $base_url;
    $language_interface = \Drupal::languageManager()->getCurrentLanguage();
    $variables['base_url'] = $base_url;
    $variables['language'] = $language_interface;
    $variables['language_rtl'] = $language_interface->getDirection() == LanguageInterface::DIRECTION_RTL;
    // HTML element attributes.
    $attributes = [];
    $attributes['lang'] = $language_interface->getId();
    $attributes['dir'] = $language_interface->getDirection();
    $variables['html_attributes'] = new Attribute($attributes);
}