Returns an entire single column of a result set as an indexed array.

Note that this method will run the result set to the end.

Parameters

int $index: The index of the column number to fetch.

Return value

array An indexed array, or an empty array if there is no result set.

Overrides StatementInterface::fetchCol

File

core/lib/Drupal/Core/Database/Statement/StatementBase.php, line 349

Class

StatementBase

StatementInterface base implementation.

Namespace

Drupal\Core\Database\Statement

Code

public function fetchCol($index = 0) {
  return $this->fetchAll(FetchAs::Column, $index);
}

---