public static function getTableColumnNames(\mysqli $mysqliConn, string $tableName) : array
    {
        $sql = "SHOW COLUMNS FROM `{$tableName}`";
        $result = $mysqliConn->query($sql);
        
        $columns = array();
        
        while (($row = $result->fetch_array()) != null)
        {
            $columns[] = $row[0];
        }
        
        return $columns;
    }