$dept_strlen = strlen($term_parts['department']);

$dept = $term_parts['department'];

if (!$getsections && count($term_parts) == 1 && $term_strlen == strlen($dept))

  {

    $dept_file = $cache_dir . '-depts';

    if (!file_exists($dept_file)) {

      clean_empty_exit();

    }

    $departments = unserialize(file_get_contents($dept_file));

    $json_depts = array();

    foreach ($departments as $key => $department) {

      if (!strncmp($department, $dept, $dept_strlen)) {

      }

    }

    echo json_encode($json_depts);

    exit(0);

  }

if ($getsections)

  {

    $section_file = $cache_dir . $dept . DIRECTORY_SEPARATOR . $term_parts['course'];

    if (file_exists($section_file))

      {