function esi_set_page_cache in ESI: Edge Side Includes 6.2

2 calls to esi_set_page_cache()

esi__block_handler in ./esi.module

Menu handler for ESIs

esi__panel_pane_handler in ./esi.module

Menu handler to serve individual panel-panes via ESI.

File

./esi.module, line 743

Adds support for ESI (Edge-Side-Include) integration, allowing blocks to be\ delivered by ESI, with support for per-block cache times.

Code

function esi_set_page_cache($data, $scope, $last_arg) {
  global $base_root;
  if (!variable_get('esi_page_cache', ESI_PAGE_CACHE)) {
    return FALSE;
  }
  if (!variable_get('esi_mode', ESI_MODE)) {
    return FALSE;
  }
  require_once drupal_get_path('module', 'esi') . '/esi.inc';
  switch ($scope) {

    // Disabled or not cached.
    case 0:
    case 1:
      return FALSE;
      break;

    // Global or page.
    case 2:
    case 3:
      break;

    // User level.
    case 4:
    case 5:
    case 6:
    case 7:

      // Cache only if the last argument of the URL contains CACHE=*.
      if (strpos($last_arg, 'CACHE=') !== 0) {
        return FALSE;
      }
      break;
  }
  if (variable_get('page_compression', TRUE) && extension_loaded('zlib')) {
    $data = gzencode($data, 9, FORCE_GZIP);
  }
  if (_esi_get_drupal_distribution() !== 'drupal') {
    $cache = (object) array(
      'cid' => 'esi:' . $base_root . request_uri(),
      'data' => $data,
      'expire' => CACHE_TEMPORARY,
      'created' => $_SERVER['REQUEST_TIME'],
      'headers' => array(),
    );

    // Restore preferred header names based on the lower-case names returned
    // by drupal_get_header().
    $header_names = _drupal_set_preferred_header_name();
    foreach (drupal_get_header() as $name_lower => $value) {
      $cache->headers[$header_names[$name_lower]] = $value;
    }
    return cache_set($cache->cid, $cache->data, 'cache_page', $cache->expire, serialize($cache->headers));
  }
  else {
    return cache_set('esi:' . $base_root . request_uri(), $data, 'cache_page', CACHE_TEMPORARY, drupal_get_headers());
  }
}