Implements hook_cron().
function statistics_cron() {
$statistics_timestamp = variable_get('statistics_day_timestamp', 0);
if (REQUEST_TIME - $statistics_timestamp >= 86400) {
// Reset day counts.
db_update('node_counter')
->fields(array(
'daycount' => 0,
))
->execute();
variable_set('statistics_day_timestamp', REQUEST_TIME);
}
// Clean up expired access logs (if applicable).
if (variable_get('statistics_flush_accesslog_timer', 259200) > 0) {
db_delete('accesslog')
->condition('timestamp', REQUEST_TIME - variable_get('statistics_flush_accesslog_timer', 259200), '<')
->execute();
}
}