/var/log/airtime/zendphp.log {
  compress
  rotate 10
  size 1000k
  missingok
  notifempty
  sharedscripts
  postrotate
    touch /var/log/airtime/zendphp.log
    chown www-data:www-data /var/log/airtime/zendphp.log
  endscript
}