Returns the result set as an associative array keyed by the given field.
If the given key appears multiple times, later records will overwrite earlier ones.
$key: The name of the field on which to index the array.
$fetch: The fetchmode to use. If set to PDO::FETCH_ASSOC, PDO::FETCH_NUM, or PDO::FETCH_BOTH the returned value with be an array of arrays. For any other value it will be an array of objects. By default, the fetch mode set for the query will be used.
An associative array, or an empty array if there is no result set.:
database/ database.inc, line 2330
- Core systems for the database layer.
- Represents a prepared statement.
public function fetchAllAssoc($key, $fetch = NULL);