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snmpwalkoid

(PHP 3 >= 3.0.8, PHP 4, PHP 5)

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.

<?php
$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

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

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