https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Database%21Statement%21ResultBase.php/function/ResultBase%3A%3AsetFetchMode/11.x
function ResultBase::setFetchMode | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Database%21Statement%21ResultBase.php/11.x
ResultBase.php | Drupal API
phpdrupalapi