Drupal get taxonomy by name

gistfile1.php

  public static function GetTermNameByTid($tid) {
    $parents = taxonomy_get_parents($tid);
    $output = '';
    if ($parents) {
      $term = taxonomy_term_load($tid);
      $output = $term->name;
      return $output;
    } else {
      return FALSE;
    }
  }