Same name and namespace in other branches
  1. 6.x developer/hooks/node.php \hook_node_type()

Act on node type changes.

This hook allows modules to take action when a node type is modified.

Parameters

$op: What is being done to $info. Possible values:

  • "delete"
  • "insert"
  • "update"

$info: The node type object on which $op is being performed.

Return value

None.

Related topics

Hooks
Allow modules to interact with the Drupal core.
3 functions implement hook_node_type()

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

node_node_type in modules/node/content_types.inc
Implementation of hook_node_type().
system_node_type in modules/system/system.module
Implementation of hook_node_type().
taxonomy_node_type in modules/taxonomy/taxonomy.module
Implementation of hook_node_type().
2 invocations of hook_node_type()
node_type_delete in modules/node/node.module
Deletes a node type from the database.
node_type_save in modules/node/node.module
Saves a node type to the database.

File

developer/hooks/node.php, line 93
These hooks are defined by node modules, modules that define a new kind of node.

Code

function hook_node_type($op, $info) {
  switch ($op) {
    case 'delete':
      variable_del('comment_' . $info->type);
      break;
    case 'update':
      if (!empty($info->old_type) && $info->old_type != $info->type) {
        $setting = variable_get('comment_' . $info->old_type, COMMENT_NODE_READ_WRITE);
        variable_del('comment_' . $info->old_type);
        variable_set('comment_' . $info->type, $setting);
      }
      break;
  }
}