CI_DB_forge::create_table PHP Method

    public function create_table($table, $if_not_exists = FALSE, array $attributes = array())
    {
        if ($table === '') {
            show_error('A table name is required for that operation.');
        } else {
            $table = $this->db->dbprefix . $table;
        }
        if (count($this->fields) === 0) {
            show_error('Field information is required.');
        }
        $sql = $this->_create_table($table, $if_not_exists, $attributes);
        if (is_bool($sql)) {
            $this->_reset();
            if ($sql === FALSE) {
                return $this->db->db_debug ? $this->db->display_error('db_unsupported_feature') : FALSE;
            }
        }
        if (($result = $this->db->query($sql)) !== FALSE) {
            empty($this->db->data_cache['table_names']) or $this->db->data_cache['table_names'][] = $table;
            // Most databases don't support creating indexes from within the CREATE TABLE statement
            if (!empty($this->keys)) {
                for ($i = 0, $sqls = $this->_process_indexes($table), $c = count($sqls); $i < $c; $i++) {
                    $this->db->query($sqls[$i]);
                }
            }
        }
        $this->_reset();
        return $result;
    }