Retrieves the current page from the cache.
Note: we do not serve cached pages to authenticated users, or to anonymous users when $_SESSION is non-empty. $_SESSION may contain status messages from a form submission, the contents of a shopping cart, or other user- specific content that should not be cached and displayed to other users.
$check_only: (optional) Set to TRUE to only return whether a previous call found a cache entry.
The cache object, if the page was found in the cache, NULL otherwise.
function drupal_page_get_cache($check_only = FALSE) {
global $base_root;
static $cache_hit = FALSE;
if ($check_only) {
return $cache_hit;
}
if (drupal_page_is_cacheable()) {
$cache = cache_get($base_root . request_uri(), 'cache_page');
if ($cache !== FALSE) {
$cache_hit = TRUE;
}
return $cache;
}
}