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1. drupal
   1. drupal6

Code

modules/user/user.module, line 538

<?php
function user_fields() {
  static $fields;

  if (!$fields) {
    $result = db_query('SELECT * FROM {users} WHERE uid = 1');
    if ($field = db_fetch_array($result)) {
      $fields = array_keys($field);
    }
    else {
      // Make sure we return the default fields at least.
      $fields = array('uid', 'name', 'pass', 'mail', 'picture', 'mode', 'sort', 'threshold', 'theme', 'signature', 'signature_format', 'created', 'access', 'login', 'status', 'timezone', 'language', 'init', 'data');
    }
  }

  return $fields;
}
?>