/**
* Invalidate a special key
*
* All we do is store the timestamp of teh invalidation
*
* @see http://b2evolution.net/man/widget-caching
*/
static function invalidate_key($key, $val)
{
global $Debuglog, $servertimenow, $instance_name;
$lastchanged_key_name = $instance_name . '+last_changed+' . $key . '=' . $val;
// Invalidate using the real time (seconds may have elapsed since $sertimenow)
// Add 1 second because of the granularity that's down to the second
// Worst case scenario: content will be collected/cahced several times for a whole second (as well as the first request after the end of that second)
BlockCache::cacheproviderstore($lastchanged_key_name, time() + 1);
$Debuglog->add('Invalidated: ' . $lastchanged_key_name . ' @ ' . (time() + 1), 'blockcache');
}
