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@kurozumi
Last active February 25, 2016 14:52
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【CodeIgniter3】League/CSVを使ってデータベースのデータをCSVファイルでダウンロードする方法
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
use League\Csv\Writer;
class Welcome extends CI_Controller {
public function index()
{
// 一時ファイル作成
$csv = Writer::createFromFileObject(new SplTempFileObject());
// カラム名を取得
$fields = $this->db->list_fields("table_name");
// 一時ファイルにカラム名を追加
$csv->insertOne($fields);
// DBからデータ取得
$query = $this->db->query("SELECT * FROM table_name");
// 一時ファイルにデータを追加
$csv->insertAll($query->result_array());
// CSVファイルとして出力
$csv->output('table_name.csv');
}
}
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