snmpwalkoid() function is used to read all object ids
and their respective values from an SNMP agent specified by
The SNMP agent.
The read community.
object_id is taken as the root of
the SNMP objects tree and all objects under that tree are returned as
object_id is specified, all the SNMP objects
object_id are returned.
Returns an associative array with object ids and their respective
object value starting from the
as root or FALSE on error.
Above function call would return all the SNMP objects from the SNMP agent running on localhost. One can step through the values with a loop