# snmpgetnext

(PHP 5, PHP 7, PHP 8)

snmpgetnext — Fetch the SNMP object which follows the given object id

### 说明

snmpgetnext(
string `$hostname`,
string `$community`,
array|string `$object_id`,
int `$timeout` = -1,
int `$retries` = -1
): mixed

The snmpgetnext() function is used to read the value of the SNMP object that follows the specified `object_id`.

### 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 SNMP object value on success or `false` on error. In case of an error, an E_WARNING message is shown.

### 示例

示例 #1 Using snmpgetnext()

`<?php
$nameOfSecondInterface = snmpgetnetxt('localhost', 'public', 'IF-MIB::ifName.1');
?>`

### 参见

- snmpget() - 获取 SNMP 对象
- snmpwalk() - 从代理获取所有 SNMP 对象

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