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function book_node_presave in Drupal 7

Same name and namespace in other branches
  1. 8 core/modules/book/book.module \book_node_presave()
  2. 9 core/modules/book/book.module \book_node_presave()

Implements hook_node_presave().

File

modules/book/book.module, line 919
Allows users to create and organize related content in an outline.

Code

function book_node_presave($node) {

  // Always save a revision for non-administrators.
  if (!empty($node->book['bid']) && !user_access('administer nodes')) {
    $node->revision = 1;

    // The database schema requires a log message for every revision.
    if (!isset($node->log)) {
      $node->log = '';
    }
  }

  // Make sure a new node gets a new menu link.
  if (empty($node->nid)) {
    $node->book['mlid'] = NULL;
  }
}