開始
build_table:開始
mysqli Object
(
    [affected_rows] => 0
    [client_info] => mysqlnd 7.4.33
    [client_version] => 70433
    [connect_errno] => 0
    [connect_error] => 
    [errno] => 0
    [error] => 
    [error_list] => Array
        (
        )

    [field_count] => 0
    [host_info] => mysql321.db.sakura.ne.jp via TCP/IP
    [info] => 
    [insert_id] => 0
    [server_info] => 5.5.62-log
    [server_version] => 50562
    [sqlstate] => 00000
    [protocol_version] => 10
    [thread_id] => 563747170
    [warning_count] => 0
)
mysqli_result Object
(
    [current_field] => 0
    [field_count] => 11
    [lengths] => 
    [num_rows] => 50
    [type] => 0
)
build_table:終了