Import nodes (custom script)

/* Just a sample script on node import */
<?php
  define('DRUPAL_ROOT', getcwd());
  require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
 
  drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
  setlocale(LC_ALL, 'zh_TW.utf8');
 
function fetch_remote_image($url) {
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($ch, CURLOPT_URL, $url);
  $data = curl_exec($ch);
  curl_close($ch);
  if ($data) {
    if (file_save_data($data, '/'.$filename, TRUE)) {
      return $filepath;
    }
  }
}
 
$filename = "./data.csv";
$log_filename = "./log.log";
global $user;
$log = file_get_contents($log_filename);
 
if (!empty($name) && ($handle = fopen($name, "r")) !== FALSE) {
      while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {
    foreach($data as $k => $v) {
      switch ($k) {
        case 0:  //Add node or Update node ?
          if (empty($v)) {
            $node = (object) array(
              'uid' => $user->uid,
              'name' => (isset($user->name) ? $user->name : ''),
              'language' => LANGUAGE_NONE,
              'type' => 'nodetype'
            );
          }
          else {
            $node = node_load($v);
          }
          break;
        case 1:  //node title
          $node->title = $v;
          break;
        case 2:  //node body
          $node->body[LANGUAGE_NONE][0]['value'] = $v;
          break;
        case 3:  //add taxonomy ?
          $term = taxonomy_get_term($v);
          if (!empty($term)) {
            $node->field_taxonomy[0]['value'] = $term->tid;
            $node->taxonomy = array();
            $node->taxonomy[$term->tid] = $term;
          }
          else {
            //create taxonomy
          }
        break;
        case 4: //multiple field ?
          $data = explode(',', $v);
          if (!empty($data)) {
            foreach ($data as $data_key => $data_val) {
              $node->field_multiplefieldname[LANGUAGE_NONE][$data_key]['value'] = $data_val;
            }
          }
        break;
        case 5: //image field ?
          $path = fetch_remote_image($v);
          if (!empty($path)) {
            $file = field_file_save_file($path);
            $node->field_images[] = $file;
          }
        break;
      }
    }
    node_save($node);
    if ($node->nid) {
      $log .= $node->nid . ' : ' . $node->title .'\n';
    }
  }
file_put_contents($file, $log);
exit;
?>