# snmp2_get

(PHP 5 >= 5.2.0, PHP 7)

snmp2_get — Fetch an SNMP object

### 说明

snmp2_get ( string `$host` , string `$community` , string `$object_id` [, int `$timeout` = 1000000 [, int `$retries` = 5 ]] ) : string

The snmp2_get() function is used to read the value of an SNMP object specified by the `object_id`.

### 参数

`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.

### 返回值

Returns SNMP object value on success or `FALSE` on error.

### 范例

Example #1 Using snmp2_get()

    <?php
    $syscontact = snmp2_get("127.0.0.1", "public", "system.SysContact.0");
    ?>

### 参见

- snmp2_set() - Set the value of an SNMP object