(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.
  
host
    The SNMP agent.
community
    The read community.
object_id
    The SNMP object.
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.
  
Example #1 Using snmp2_get()
<?php
$syscontact = snmp2_get("127.0.0.1", "public", "system.SysContact.0");
?>