(PHP 5 >= 5.2.0)
snmp2_get — Fetch an SNMP object
$host
   , string $community
   , string $object_id
   [, string $timeout = 1000000
   [, string $retries = 5
  ]] )
   The snmp2_get() function is used to read the
   value of an SNMP object specified by the
   object_id.
  
hostThe SNMP agent.
communityThe read community.
object_idThe SNMP object.
timeoutThe number of microseconds until the first timeout.
retriesThe number of times to retry if timeouts occur.
   Returns SNMP object value on success or FALSE on error.
  
Example #1 Using snmp2_get()
<?php
$syscontact = snmp2_get("127.0.0.1", "public", "system.SysContact.0");
?>