	public function createDatabase($dbname = null)
	{
		$stmt = Database::prepare("CREATE DATABASE :dbname");
		Database::pexecute($stmt, [
			'dbname' => $dbname
		]);
	}
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.