<?php

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

/**
 * Implements hook_uninstall().
 */
function recaptcha_uninstall() {
  // Delete all the recaptcha variables and then clear the variable cache.
  db_delete('variable')
    ->condition('name', 'recaptcha_%', 'LIKE')
    ->execute();
  cache_clear_all('variables', 'cache_bootstrap');
}

/**
 * Implements hook_update_N().
 */

/**
 * Issue #2473329: Remove obsolete variables.
 */
function recaptcha_update_7100() {
  $variables = array(
    'recaptcha_secure_connection',
    'recaptcha_api_server',
    'recaptcha_api_secure_server',
    'recaptcha_verify_server',
  );
  foreach ($variables as $variable) {
    variable_del($variable);
  }
  return t('Removed obsolete variables.');
}