function authcache_form_system_performance_settings_alter in Authenticated User Page Caching (Authcache) 7.2

Implements hook_form_FORM_ID_alter().

Related topics

File

./authcache.module, line 283

Authenticated User Page Caching (and anonymous users, too!)

Code

function authcache_form_system_performance_settings_alter(&$form, &$form_state) {
  $roles = authcache_get_roles();
  if (count($roles)) {
    $message = '<p>' . t('Drupal core page caching for anonymous users does not work properly when Authcache is enabled. Please either deactivate Drupal core page caching or disable Authcache.') . '</p>';
    if (!isset($roles[DRUPAL_ANONYMOUS_RID])) {
      $message .= '<p>' . t('You may enable the page cache for anonymous users by <a href="!link">configuring</a> Authcache for anonymous users', array(
        '!link' => url('admin/config/system/authcache'),
      )) . '</p>';
    }
    if (variable_get('page_cache_without_database')) {
      $message .= '<p>' . t('Furthermore it seems that !setting is enabled. Please remove that line from !file, otherwise Authcache will not work properly.', array(
        '!setting' => '<code>$conf[\'page_cache_without_database\']</code>',
        '!file' => '<code>' . conf_path() . '/settings.php</code>',
      )) . '</p>';
    }
    $form['caching']['authcache-warning'] = array(
      '#type' => 'container',
      '#attributes' => array(
        'class' => array(
          'messages',
          'warning',
        ),
      ),
      'message' => array(
        '#markup' => $message,
      ),
      '#weight' => -3,
    );

    // If $conf['page_cache_without_database'] is set in settings.php, the
    // warning will be shown regardless of the value of $conf['cache'].
    // Otherwise states are used to show/hide the warning if appropriate.
    if (!variable_get('page_cache_without_database')) {
      $form['caching']['authcache-warning']['#states'] = array(
        'visible' => array(
          ':input[name=cache]' => array(
            'checked' => TRUE,
          ),
        ),
      );
    }

    // Disable hiding of compression check-box
    unset($form['bandwidth_optimization']['page_compression']['#prefix']);
    unset($form['bandwidth_optimization']['page_compression']['#suffix']);
  }
}