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# snmpwalkoid

(PHP 3>= 3.0.8, PHP 4 )

snmpwalkoid -- Query for a tree of information about a network entity

## Description

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

Returns an associative array with object ids and their respective object value starting from the `object_id` as root and `FALSE` on error.

snmpwalkoid() function is used to read all object ids and their respective 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.

The existence of snmpwalkoid() and snmpwalk() has historical reasons. Both functions are provided for backward compatibility.

    $a = snmpwalkoid("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 (reset($a); $i = key($a); next($a)) {
        echo "$i: $a[$i]<br>\n";
    }

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