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# snmpwalk

(PHP 3, PHP 4 )

snmpwalk -- Fetch all the SNMP objects from an agent

## Description

array snmpwalk ( string hostname, string community, string object_id [, int timeout [, int retries]])

Returns an array of SNMP object values starting from the `object_id` as root and `FALSE` on error.

snmpwalk() function is used to read all the values from an SNMP agent specified by the `hostname`. `Community` specifies the read community for that agent. A `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.

    $a = snmpwalk("127.0.0.1", "public", "");

Above function call would return all the SNMP objects from the SNMP agent running on localhost. One can step through the values with a loop

    for ($i=0; $i < count($a); $i++) {
        echo $a[$i];
    }

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