1 update.module _update_cache_clear($cid = NULL, $wildcard = FALSE)

Invalidates cached data relating to update status.

Parameters

$cid: (optional) Cache ID of the record to clear from the private update module cache. If empty, all records will be cleared from the table except fetch tasks. Defaults to NULL.

$wildcard: (optional) If TRUE, cache IDs starting with $cid are deleted in addition to the exact cache ID specified by $cid. Defaults to FALSE.

Related topics

File

core/modules/update/update.module, line 694
Handles update checking for Backdrop core and contributed projects.

Code

function _update_cache_clear($cid = NULL, $wildcard = FALSE) {
  if (empty($cid)) {
    db_delete('cache_update')
      // Clear everything except fetch task information because these are used
      // to ensure that the fetch task queue items are not added multiple times.
      ->condition('cid', 'fetch_task::%', 'NOT LIKE')
      ->execute();
  }
  else {
    $query = db_delete('cache_update');
    if ($wildcard) {
      $query->condition('cid', $cid . '%', 'LIKE');
    }
    else {
      $query->condition('cid', $cid);
    }
    $query->execute();
  }
}