/**
* Add the "updated at" column to an array of values.
*
* @param array $values
* @return array
*/
protected function addUpdatedAtColumn(array $values)
{
if (!$this->model->usesTimestamps()) {
return $values;
}
$column = $this->model->getUpdatedAtColumn();
return array_add($values, $column, $this->model->freshTimestamp());
}