update_do_updates

Perform updates for one second or until finished.

Return value

An array indicating the status after doing updates. The first element is the overall percentage finished. The second element is a status message.

2 calls to update_do_updates()

File

./update.php, line 423

Administrative page for handling updates from one Drupal version to another.

Code

function update_do_updates() {
  while (isset($_SESSION['update_remaining']) && ($update = reset($_SESSION['update_remaining']))) {
    $update_finished = update_data($update['module'], $update['version']);
    if ($update_finished == 1) {
      // Dequeue the completed update.
      unset($_SESSION['update_remaining'][key($_SESSION['update_remaining'])]);
      $update_finished = 0; // Make sure this step isn't counted double
    }
    if (timer_read('page') > 1000) {
      break;
    }
  }

  if ($_SESSION['update_total']) {
    $percentage = floor(($_SESSION['update_total'] - count($_SESSION['update_remaining']) + $update_finished) / $_SESSION['update_total'] * 100);
  }
  else {
    $percentage = 100;
  }

  // When no updates remain, clear the caches in case the data has been updated.
  if (!isset($update['module'])) {
    cache_clear_all('*', 'cache', TRUE);
    cache_clear_all('*', 'cache_page', TRUE);
    cache_clear_all('*', 'cache_menu', TRUE);
    cache_clear_all('*', 'cache_filter', TRUE);
    drupal_clear_css_cache();
  }

  return array($percentage, isset($update['module']) ? 'Updating ' . $update['module'] . ' module' : 'Updating complete');
}