<?php

/**
 * @file
 * Provides install, updated, and uninstall functions for recaptcha_mailhide.
 */

/**
 * Implements hook_update_N().
 */

/**
 * Issue #2473329: Remove obsolete variables.
 */
function recaptcha_mailhide_update_7100() {
  // recaptcha_mailhide no longer uses any variables.
  db_delete('variable')
    ->condition('name', 'recaptcha_mailhide_%', 'LIKE')
    ->execute();
  cache_clear_all('variables', 'cache_bootstrap');
  return t('Removed obsolete variables.');
}