[libvirt] How to reboot domain(virtual machine) after shutdown it through php-libvirt

How to reboot domain(virtual machine) after shutdown it through php-libvirt: Hi, Am new to php livbvirt. and i successfully listed the all domains in server. and get resource of particular domain and call the shutdown function. $res = libvirt_domain_lookup_by_name($conn, $name); $stop = libvirt_domain_shutdown($res); Now shutdowned domain is not display in domain list. Now the problem is how to reboot/restart that domain again? libvirt having function for reboot, that is, libvirt_domain_create($res); My doubt is what is argument here, how to get that shutdowned domain resources. Any one kindly help me.