function execute($requests)
 {
     $csv = '"カテゴリ","画像容量","平均容量(1人当り)"' . "\n";
     $csv = mb_convert_encoding($csv, 'SJIS', 'UTF-8');
     $analysis_image_category = get_analysis_image_category();
     foreach ($analysis_image_category as $key => $value) {
         $category = $analysis_image_category[$key]['category'];
         $category = mb_convert_encoding($category, 'SJIS', 'UTF-8');
         $sum = $analysis_image_category[$key]['sum'];
         $avg = $analysis_image_category[$key]['avg'];
         $csv .= sprintf("\"%s\",%01.2f,%01.2f\n", $category, $sum, $avg);
     }
     $analysis_image_category_sum = get_analysis_image_category_sum();
     $category_sum = $analysis_image_category_sum['category'];
     $category_sum = mb_convert_encoding($category_sum, 'SJIS', 'UTF-8');
     $sum_all = $analysis_image_category_sum['sum'];
     $avg_all = $analysis_image_category_sum['avg'];
     $csv .= sprintf("\"%s\",%01.2f,%01.2f\n", $category_sum, $sum_all, $avg_all);
     //IE以外の場合、キャッシュをさせないヘッダを出力
     if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') === false) {
         send_nocache_headers(true);
     }
     header("Content-Type: application/octet-stream");
     header("Content-Disposition: attachment; filename=analysis_image_category.csv");
     echo $csv;
     exit;
 }
 function execute($requests)
 {
     //----------リクエスト変数-------------//
     $v['SNS_NAME'] = SNS_NAME;
     $v['OPENPNE_VERSION'] = OPENPNE_VERSION;
     $this->set($v);
     $analysis_image_category = get_analysis_image_category();
     $analysis_image_category_sum = get_analysis_image_category_sum();
     $this->set("analysis_image_category", $analysis_image_category);
     $this->set("analysis_image_category_sum", $analysis_image_category_sum);
     return 'success';
 }