©
                    本文档使用
                    php中文网手册 发布
                
(PHP 5)
snmpgetnext — Fetch the SNMP object which follows the given object id
$host 
   ,  string $community 
   ,  string $object_id 
   [,  int $timeout  = 1000000 
   [,  int $retries  = 5 
  ]] )
   The  snmpgetnext()  function is used to read the
   value of the SNMP object that follows the specified 
   object_id.
  
host The hostname of the SNMP agent (server).
community The read community.
object_id The SNMP object id which precedes the wanted one.
timeout The number of microseconds until the first timeout.
retries The number of times to retry if timeouts occur.
   Returns SNMP object value on success or  FALSE  on error.
   In case of an error, an E_WARNING message is shown.
  
Example #1 Using snmpgetnext()
  <?php
$nameOfSecondInterface  =  snmpgetnetxt ( 'localhost' ,  'public' ,  'IF-MIB::ifName.1' ;
 ?>   
[#1] achalsaraiya at yahoo dot co dot in [2010-03-25 02:46:27]
with snmpget api, the agent returns the value associated 
with the OID (or OIDs) specified in the original request.
The snmpgetnext api is  similar, but the agent returns the 
value associated with the next (valid) OID
eg:
snmpgetnext('192.168.40.134',
                   'public',
                   'SNMPv2-MIB::sysUpTime.0');
will give the output:
STRING: user@hostname