update_invoke_post_update

update_invoke_post_update($function, &$context)

function update_invoke_post_update($function, &$context) {
  $ret = [];

  // If this update was aborted in a previous step, or has a dependency that was
  // aborted in a previous step, go no further.
  if (!empty($context['results']['#abort'])) {
    return;
  }

  list($module, $name) = explode('_post_update_', $function, 2);
  module_load_include('php', $module, $module . '.post_update');
  if (function_exists($function)) {
    try {
      $ret['results']['query'] = $function($context['sandbox']);
      $ret['results']['success'] = TRUE;

      if (!isset($context['sandbox']['#finished']) || (isset($context['sandbox']['#finished']) && $context['sandbox']['#finished'] >= 1)) {
        \Drupal::service('update.post_update_registry')->registerInvokedUpdates([$function]);
      }
    }
    // @TODO We may want to do different error handling for different exception
    // types, but for now we'll just log the exception and return the message
    // for printing.
    // @see https://www.drupal.org/node/2564311
    catch (Exception $e) {
      watchdog_exception('update', $e);

      $variables = Error::decodeException($e);
      unset($variables['backtrace']);
      $ret['#abort'] = [
        'success' => FALSE,
        'query' => t('%type: @message in %function (line %line of %file).', $variables),
      ];
    }
  }

  if (isset($context['sandbox']['#finished'])) {
    $context['finished'] = $context['sandbox']['#finished'];
    unset($context['sandbox']['#finished']);
  }
  if (!isset($context['results'][$module][$name])) {
    $context['results'][$module][$name] = array();
  }
  $context['results'][$module][$name] = array_merge($context['results'][$module][$name], $ret);

  if (!empty($ret['#abort'])) {
    // Record this function in the list of updates that were aborted.
    $context['results']['#abort'][] = $function;
  }

  $context['message'] = t('Post updating @module', ['@module' => $module]);
}