snmp2_real_walk

(PHP >= 5.2.0, PHP 7, PHP 8)

snmp2_real_walk — Return all objects including their respective object ID within the specified one

说明

snmp2_real_walk(
    string $hostname,
    string $community,
    array|string $object_id,
    int $timeout = -1,
    int $retries = -1
): array|false

The snmp2_real_walk() function is used to traverse over a number of SNMP objects starting from object_id and return not only their values but also their object ids.

参数

hostname: 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.

返回值

Returns an associative array of the SNMP object ids and their values on success or false on error. In case of an error, an E_WARNING message is shown.

示例

示例 #1 Using snmp2_real_walk()

<?php
 print_r(snmp2_real_walk("localhost", "public", "IF-MIB::ifName"));
?>

The above will output something like:

Array
      (
      [IF-MIB::ifName.1] => STRING: lo
      [IF-MIB::ifName.2] => STRING: eth0
      [IF-MIB::ifName.3] => STRING: eth2
      [IF-MIB::ifName.4] => STRING: sit0
      [IF-MIB::ifName.5] => STRING: sixxs
    )

参见

snmp2_walk() - Fetch all the SNMP objects from an agent

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mike dot mackintosh at angrystatic dot com ¶

14 years ago

Remember that the timeout includes trip time for transport, so setting it too low and sending it across the country will time out and return a 'No response from x.x.x.x'