function NodeHooks1::cron
Implements hook_cron().
Attributes
File
- 
              core/modules/ node/ src/ Hook/ NodeHooks1.php, line 164 
Class
- NodeHooks1
- Hook implementations for node.
Namespace
Drupal\node\HookCode
public function cron() : void {
  // 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')->accessCheck(FALSE)
      ->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 = [
        'min_created' => $result[0][$min_alias],
        'max_created' => $result[0][$max_alias],
      ];
      \Drupal::state()->set('node.min_max_update_time', $array);
    }
  }
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
