function rdf_example_uninstall in Examples for Developers 7

Implements hook_uninstall().

Related topics

File

rdf_example/rdf_example.install, line 108

Install file for RDF Example module.

Code

function rdf_example_uninstall() {

  // Delete recipe content.
  $sql = 'SELECT nid FROM {node} n WHERE n.type = :type';
  $result = db_query($sql, array(
    ':type' => 'recipe',
  ));
  $nids = array();
  foreach ($result as $row) {
    $nids[] = $row->nid;
  }
  node_delete_multiple($nids);

  // Delete field instances for now.
  // Check status of http://drupal.org/node/1015846
  $instances = field_info_instances('node', 'recipe');
  foreach ($instances as $instance_name => $instance) {
    field_delete_instance($instance);
  }

  // Delete node type.
  node_type_delete('recipe');
  field_purge_batch(1000);
}