node_cron

node_cron()

function node_cron() {
  // Calculate the oldest and newest node created times, for use in search
  // rankings. (Note that field aliases have to be variables passed by
  // reference.)
  if (\Drupal::moduleHandler()->moduleExists('search')) {
    $min_alias = 'min_created';
    $max_alias = 'max_created';
    $result = \Drupal::entityQueryAggregate('node')
      ->aggregate('created', 'MIN', NULL, $min_alias)
      ->aggregate('created', 'MAX', NULL, $max_alias)
      ->execute();
    if (isset($result[0])) {
      // Make an array with definite keys and store it in the state system.
      $array = array(
        'min_created' => $result[0][$min_alias],
        'max_created' => $result[0][$max_alias],
      );
      \Drupal::state()->set('node.min_max_update_time', $array);
    }
  }
}