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SNMP::getnext

(PHP 5 >= 5.4.0, PHP 7, PHP 8)

SNMP::getnextFetch an SNMP object which follows the given object id

Description

public SNMP::getnext ( array|string $objectId ) : array|bool

Fetch an SNMP object that follows specified objectId.

Parameters

If objectId is a string, then SNMP::getnext() will return SNMP object as string. If objectId is a array, all requested SNMP objects will be returned as associative array of the SNMP object ids and their values.

objectId

The SNMP object (OID) or objects

Return Values

Returns SNMP objects requested as string or array depending on objectId type or false on error.

Errors/Exceptions

This method does not throw any exceptions by default. To enable throwing an SNMPException exception when some of library errors occur the SNMP class parameter exceptions_enabled should be set to a corresponding value. See SNMP::$exceptions_enabled explanation for more details.

Examples

Example #1 Single SNMP object

Single SNMP object may be requested in two ways: as string resulting string return value or as single-element array with associative array as output.

<?php
  $session 
= new SNMP(SNMP::VERSION_1"127.0.0.1""public");
  
$nsysdescr $session->getnext("sysDescr.0");
  echo 
"$nsysdescr\n";
  
$nsysdescr $session->getnext(array("sysDescr.0"));
  
print_r($nsysdescr);
?>

The above example will output something similar to:

OID: NET-SNMP-MIB::netSnmpAgentOIDs.8
Array
(
    [SNMPv2-MIB::sysObjectID.0] => OID: NET-SNMP-MIB::netSnmpAgentOIDs.8
)

Example #2 Miltiple SNMP objects

<?php
  $session 
= new SNMP(SNMP::VERSION_1"127.0.0.1""public");
  
$results $session->getnext(array("sysDescr.0""sysName.0"));
  
print_r($results);
  
$session->close();
?>

The above example will output something similar to:

Array
(
    [SNMPv2-MIB::sysObjectID.0] => OID: NET-SNMP-MIB::netSnmpAgentOIDs.8
    [SNMPv2-MIB::sysLocation.0] => STRING: Nowhere
)

See Also

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