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.
$a = snmpwalk("127.0.0.1", "public", "");
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Above function call would return all the SNMP objects from the SNMP agent running on localhost. One can step through the values with a loop
for ($i=0; $i<count($a); $i++) {
echo $a[$i];
}
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