Hi Stephen, I believe the idea was for dynamically generate table names, or numbered tables/columns. E.g.
function getTable(string $table){ // is_literal check here } $number = (int) $_GET['tableno']; if($number < 0 || $number > 10) { throw new Exception("Invalid number"); } $tablename = 'table_'.$number; getTable($tablename); The number is concatenated to the table name. --Kamil