[cakephp]CSVアップロード

gistfile1.php

// ビュー
<?= $form->create(array('action' => 'upload', 'type' => 'file')) ?>
<?= $form->input('UI.file', array('type' => 'file')) ?>
<?= $form->submit('アップロード') ?>
<?= $form->end() ?>

<?php

// コントローラ
App::import('Vendor', 'Stream_Filter_Mbstring', array('file' => 'openpear/Stream/Filter/Mbstring.php'));

function upload() {
  if (!empty($this->data)) {
    if (is_uploaded_file($this->data['UI']['file']['tmp_name'])
      &&
      ($fp = fopen($this->data['UI']['file']['tmp_name'],'r')) !== false
    ) {
      $ret = stream_filter_register("convert.mbstring.*", "Stream_Filter_Mbstring");
      $filter = stream_filter_append(
        $fp,
        'convert.mbstring.encoding.SJIS-win:UTF-8',
        STREAM_FILTER_READ
      );
      $current_locale = setlocale(LC_ALL, '0');
      setlocale(LC_ALL, 'ja_JP.UTF-8');

      $i = 0; while(($data = fgetcsv($fp)) !== false) {

        print_r($data);
        if (++$i > 5) {
          break;
        }
      }

      setlocale(LC_ALL, $current_locale);
      fclose($fp);
    }

  }
}