template_preprocess_book_export_html(&$variables)
Prepares variables for book export templates.
Default template: book-export-html.html.twig.
Parameters
array $variables: An associative array containing:
- title: The title of the book.
- contents: Output of each book page.
- depth: The max depth of the book.
File
- core/modules/book/book.module, line 469
- Allows users to create and organize related content in an outline.
Code
function template_preprocess_book_export_html(&$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 = array();
$attributes['lang'] = $language_interface->getId();
$attributes['dir'] = $language_interface->getDirection();
$variables['html_attributes'] = new Attribute($attributes);
}
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