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

includes/database/database.inc, line 2298

Class

DatabaseStatementBase

Default implementation of DatabaseStatementInterface.

Code

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

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