June 2002
Beginner
759 pages
80h 42m
English
ping
$p->ping(host[,timeout])
Pings remote host and waits for a response. Takes the following arguments:
hostSpecified as either the hostname or the IP number of the remote host.
timeoutOptional, must be greater than 0 seconds if specified. Defaults
to whatever was specified when the ping object was
created.
If host cannot be found, or if
there is a problem with the IP number, returns undef. Otherwise, returns 1 if the host is reachable and 0 if it is not.