* "the access type must be omitted" if it is protected; i.e., conflicting
* statements). The access type has to be protected.
*/
- //protected function __construct(Connection $dbh);
+ // protected function __construct(Connection $dbh);
/**
* Executes a prepared statement
*
* @param $args
* An array of values with as many elements as there are bound parameters in
- * the SQL statement being executed.
+ * the SQL statement being executed. This can be NULL.
* @param $options
* An array of options for this query.
*