function _authcache_blocks in Authenticated User Page Caching (Authcache) 7

Same name and namespace in other branches

1. 6 ajax/authcache.php \_authcache_blocks()

Render blocks. Grab from cache if available.

Parameters

<array> $blocks: [block id] => [block cache id]

See also

block.module

File

ajax/authcache.php, line 278

Authcache Ajax Callback (authcache.php)

Code

function _authcache_blocks($blocks) {
  global $user, $theme_key;
  $return = array();

  // Full bootstrap required for correct theming.
  drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
  foreach ($blocks as $block_id => $block_cid) {

    // If block cache is per user, then specify current user id.
    $block_cid = preg_replace('/:u.[0-9]+/', ":u.{$user->uid}", $block_cid);

    // Validate user roles with block visibility roles.
    // (In case someone is trying to hack into viewing certain blocks.)
    if (strpos($block_cid, ':r.') !== FALSE) {
      $matches = array();
      preg_match('/:r.([0-9,]+)/', $block_cid, $matches);
      if (isset($matches[1])) {

        // Cache id is built using exact user roles, so a direct comparison works. @see _block_get_cache_id().
        if ($matches[1] != implode(',', array_keys($user->roles))) {
          continue;
        }
      }
    }

    // Check cache_block bin first
    if ($block_cached = cache_get($block_cid, 'cache_block')) {
      $return[$block_id] = array(
        'subject' => check_plain($block_cached->data['subject']),
        'content' => render($block_cached->data['content']),
      );
    }
    else {
      $id = explode('-', $block_id, 2);
      $block = block_load($id[0], $id[1]);
      $build = reset(_block_get_renderable_array(_block_render_blocks(array(
        $block_id => $block,
      ))));
      if (!empty($build['#theme_wrappers'])) {
        $build['#theme_wrappers'] = array_diff($build['#theme_wrappers'], array(
          'block',
        ));
      }
      $return[$block_id] = array(
        'subject' => check_plain($build['#block']->subject),
        'content' => render($build),
      );
    }
  }
  return $return;
}