function hook_update

7.x node.api.php	`hook_update($node)`
6.x node.php	`hook_update($node)`

Respond to updates to a node.

This hook is invoked only on the module that defines the node's content type (use hook_node_update() to act on all node updates).

This hook is invoked from node_save() after the node is updated in the node table in the database, before field_attach_update() is called, and before hook_node_update() is invoked.

Parameters

$node: The node that is being updated.

Related topics

Hooks: Allow modules to interact with the Drupal core.
Node API Hooks: Functions to define and modify content types.

48 functions implement hook_update()

Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

book_form_update in drupal-7.x/modules/book/book.module: Renders a new parent page select element when the book selection changes.
book_node_type_update in drupal-7.x/modules/book/book.module: Implements hook_node_type_update().
book_node_update in drupal-7.x/modules/book/book.module: Implements hook_node_update().
comment_node_type_update in drupal-7.x/modules/comment/comment.module: Implements hook_node_type_update().
dashboard_update in drupal-7.x/modules/dashboard/dashboard.module: Sets the new weight of each region according to the drag-and-drop order.

... See full list

3 invocations of hook_update()

field_attach_update in drupal-7.x/modules/field/field.attach.inc: Save field data for an existing entity.
update_check_requirements in drupal-7.x/update.php: Checks update requirements and reports errors and (optionally) warnings.
user_save in drupal-7.x/modules/user/user.module: Save changes to a user account or add a new user.

File

drupal-7.x/modules/node/node.api.php, line 1219: Hooks provided by the Node module.

Code

function hook_update($node) {
  db_update('mytable')
    ->fields(array('extra' => $node->extra))
    ->condition('nid', $node->nid)
    ->execute();
}