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snmp2_walk

Description

The snmp2_walk of SNMP for PHP fetches all the SNMP objects from an agent.

Syntax

snmp2_walk(
    string $hostname,
    string $community,
    array|string $object_id,
    int $timeout = -1,
    int $retries = -1
): array|false

Parameters

hostname

The SNMP agent (server).

community

The read community.

object_id

If null, object_id is taken as the root of the SNMP objects tree and all objects under that tree are returned as an array. If object_id is specified, all the SNMP objects below that object_id are returned.

timeout

The number of microseconds until the first timeout.

retries

The number of times to retry if timeouts occur.

Return

Returns an array of SNMP object values starting from the object_id as root or false on error.

Examples

1 · hostname community object_id

<?

$hostname = "localhost";
$community = "public";
$object_id = "";

$return = snmp2_walk($hostname, $community, $object_id);

var_dump($return);

?>

2 · timeout

<?

$hostname = "localhost";
$community = "public";
$object_id = "";
$timeout = 1000000;

$return = snmp2_walk($hostname, $community, $object_id, $timeout);

var_dump($return);

?>

3 · retries

<?

$hostname = "localhost";
$community = "public";
$object_id = "";
$timeout = 1000000;
$retries = 3;

$return = snmp2_walk($hostname, $community, $object_id, $timeout, $retries);

var_dump($return);

?>
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