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function book_form_update in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/modules/book/book.module \book_form_update()

Renders a new parent page select element when the book selection changes.

This function is called via Ajax when the selected book is changed on a node or book outline form.

Return value

The rendered parent page select element.

1 string reference to 'book_form_update'
BookManager::addFormElements in core/modules/book/src/BookManager.php
Builds the common elements of the book form for the node and outline forms.

File

core/modules/book/book.module, line 207
Allows users to create and organize related content in an outline.

Code

function book_form_update($form, FormStateInterface $form_state) {
  return $form['book']['pid'];
}