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_update_cache_get

Versions
6 – 7
_update_cache_get($cid)

Retrieve data from the private update status cache table.

Parameters

$cid The cache ID to retrieve.

Return value

The data for the given cache ID, or NULL if the ID was not found.

Related topics

Private update status cache system
We specifically do NOT use the core cache API for saving the fetched data about available updates. It is vitally important that this cache is only cleared when we're populating it after successfully fetching new available update data. Usage of...

▸ 3 functions call _update_cache_get()

▾ 3 functions call _update_cache_get()

update_cron in modules/update/update.module
Implementation of hook_cron().
update_get_available in modules/update/update.module
Internal helper to try to get the update information from the cache if possible, and to refresh the cache when necessary.
update_project_cache in modules/update/update.compare.inc
Retrieve data from {cache_update} or empty the cache when necessary.

Code

modules/update/update.module, line 567

<?php
function _update_cache_get($cid) {
  $cache = db_fetch_object(db_query("SELECT data, created, expire, serialized FROM {cache_update} WHERE cid = '%s'", $cid));
  if (isset($cache->data)) {
    $cache->data = db_decode_blob($cache->data);
    if ($cache->serialized) {
      $cache->data = unserialize($cache->data);
    }
  }
  return $cache;
}
?>
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