hook_user_operations *csv*

vbo-code

<?php

/**
 * Implementation of hook_node_operations().
 */
function user_export_user_operations() {
  return array(
    'export' => array(
      'label' => t('Export to CSV'),
      'callback' => 'user_export_csv',
    ),
  );
}

/**
 * Returns CSV file to download.
 * @param array $accounts
 */
function user_export_csv($users, $view) {
  $header = 'uid, '. implode(', ', array_keys($view->field));
  $sql = $view->build_info['query'] .' AND users.uid IN ('. implode(',', $users) .')';
  $result = db_query($sql);
  while ($account = db_fetch_array($result)) {
    $accounts[$account['uid']] = implode('~ ', $account);
    // remove any commas that could mess up the CSV file
    $accounts[$account['uid']] = str_replace(',', '', $accounts[$account['uid']]);
    // re-add in comma delimiters
    $accounts[$account['uid']] = str_replace('~', ',', $accounts[$account['uid']]);
  }
  $file = $header ."\n";
  foreach ($accounts as $row) {
    $file .= $row ."\n";
  }
  header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
  header('Content-Type: text/csv');
  header('Content-Disposition: attachment; filename="users.csv"');
  die(print $file);
}
?>