public function DatabaseStatementBase::fetchCol

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

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

Return value

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

Overrides DatabaseStatementInterface::fetchCol

File

drupal/includes/database/database.inc, line 2241

Core systems for the database layer.

Class

DatabaseStatementBase

Default implementation of DatabaseStatementInterface.

Code

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