book_node_presave
function book_node_presave
book_node_presave(EntityInterface $node)
Implements hook_ENTITY_TYPE_presave() for node entities.
File
- core/modules/book/book.module, line 252
- Allows users to create and organize related content in an outline.
Code
function book_node_presave(EntityInterface $node) { // Make sure a new node gets a new menu link. if ($node->isNew()) { $node->book['nid'] = NULL; } }
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https://api.drupal.org/api/drupal/core!modules!book!book.module/function/book_node_presave/8.1.x