function StatementWrapperIterator::fetchAllKeyed

Overrides StatementInterface::fetchAllKeyed

File

core/lib/Drupal/Core/Database/StatementWrapperIterator.php, line 195

Class

StatementWrapperIterator

StatementInterface iterator implementation.

Namespace

Code

public function fetchAllKeyed($key_index = 0, $value_index = 1) {
    $this->setFetchMode(\PDO::FETCH_NUM);
    // Return early if the statement was already fully traversed.
    if (!$this->isResultsetIterable) {
        return [];
    }
    // Once the while loop is completed, the resultset is marked so not to
    // allow more fetching.
    $return = [];
    while ($record = $this->fetch()) {
        $return[$record[$key_index]] = $record[$value_index];
    }
    return $return;
}