PHP CRM_Utils_Date::getUTCTime方法代码示例

 /**
  * Removes all the cache entries pertaining to a specific group.
  * If no groupID is passed in, removes cache entries for all groups
  * Has an optimization to bypass repeated invocations of this function.
  * Note that this function is an advisory, i.e. the removal respects the
  * cache date, i.e. the removal is not done if the group was recently
  * loaded into the cache.
  *
  * @param int $groupID
  *   the groupID to delete cache entries, NULL for all groups.
  * @param bool $onceOnly
  *   run the function exactly once for all groups.
  *
  * @return void
  */
 public static function remove($groupID = NULL, $onceOnly = TRUE)
 {
     static $invoked = FALSE;
     // typically this needs to happy only once per instance
     // this is especially TRUE in import, where we dont need
     // to do this all the time
     // this optimization is done only when no groupID is passed
     // i.e. cache is reset for all groups
     if ($onceOnly && $invoked && $groupID == NULL) {
         return;
     }
     if ($groupID == NULL) {
         $invoked = TRUE;
     } elseif (is_array($groupID)) {
         foreach ($groupID as $gid) {
             unset(self::$_alreadyLoaded[$gid]);
         }
     } elseif ($groupID && array_key_exists($groupID, self::$_alreadyLoaded)) {
         unset(self::$_alreadyLoaded[$groupID]);
     }
     $refresh = NULL;
     $params = array();
     $smartGroupCacheTimeout = self::smartGroupCacheTimeout();
     $now = CRM_Utils_Date::getUTCTime();
     $refreshTime = CRM_Utils_Date::getUTCTime($smartGroupCacheTimeout * 60);
     if (!isset($groupID)) {
         if ($smartGroupCacheTimeout == 0) {
             $query = "\nTRUNCATE civicrm_group_contact_cache\n";
             $update = "\nUPDATE civicrm_group g\nSET    cache_date = null,\n       refresh_date = null\n";
         } else {
             $query = "\nDELETE     gc\nFROM       civicrm_group_contact_cache gc\nINNER JOIN civicrm_group g ON g.id = gc.group_id\nWHERE      TIMESTAMPDIFF(MINUTE, g.cache_date, {$now}) >= {$smartGroupCacheTimeout}\n";
             $update = "\nUPDATE civicrm_group g\nSET    cache_date = null,\n       refresh_date = null\nWHERE  TIMESTAMPDIFF(MINUTE, cache_date, {$now}) >= {$smartGroupCacheTimeout}\n";
             $refresh = "\nUPDATE civicrm_group g\nSET    refresh_date = {$refreshTime}\nWHERE  TIMESTAMPDIFF(MINUTE, cache_date, {$now}) < {$smartGroupCacheTimeout}\nAND    refresh_date IS NULL\n";
         }
     } elseif (is_array($groupID)) {
         $groupIDs = implode(', ', $groupID);
         $query = "\nDELETE     g\nFROM       civicrm_group_contact_cache g\nWHERE      g.group_id IN ( {$groupIDs} )\n";
         $update = "\nUPDATE civicrm_group g\nSET    cache_date = null,\n       refresh_date = null\nWHERE  id IN ( {$groupIDs} )\n";
     } else {
         $query = "\nDELETE     g\nFROM       civicrm_group_contact_cache g\nWHERE      g.group_id = %1\n";
         $update = "\nUPDATE civicrm_group g\nSET    cache_date = null,\n       refresh_date = null\nWHERE  id = %1\n";
         $params = array(1 => array($groupID, 'Integer'));
     }
     CRM_Core_DAO::executeQuery($query, $params);
     if ($refresh) {
         CRM_Core_DAO::executeQuery($refresh, $params);
     }
     // also update the cache_date for these groups
     CRM_Core_DAO::executeQuery($update, $params);
 }

 /**
  * Deletes all the cache entries.
  */
 public static function resetCache()
 {
     // reset any static caching
     self::$_cache = NULL;
     // reset any db caching
     $config = CRM_Core_Config::singleton();
     $smartGroupCacheTimeout = CRM_Contact_BAO_GroupContactCache::smartGroupCacheTimeout();
     //make sure to give original timezone settings again.
     $now = CRM_Utils_Date::getUTCTime();
     $query = "\nDELETE\nFROM   civicrm_acl_cache\nWHERE  modified_date IS NULL\n   OR  (TIMESTAMPDIFF(MINUTE, modified_date, {$now}) >= {$smartGroupCacheTimeout})\n";
     CRM_Core_DAO::singleValueQuery($query);
     // CRM_Core_DAO::singleValueQuery("TRUNCATE TABLE civicrm_acl_contact_cache"); // No, force-commits transaction
     // CRM_Core_DAO::singleValueQuery("DELETE FROM civicrm_acl_contact_cache"); // Transaction-safe
     if (CRM_Core_Transaction::isActive()) {
         CRM_Core_Transaction::addCallback(CRM_Core_Transaction::PHASE_POST_COMMIT, function () {
             CRM_Core_DAO::singleValueQuery("TRUNCATE TABLE civicrm_acl_contact_cache");
         });
     } else {
         CRM_Core_DAO::singleValueQuery("TRUNCATE TABLE civicrm_acl_contact_cache");
     }
 }