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PHP Manual :: snmpwalkoid

snmpwalk || SNMP || SNMP Functions || PHP Manual

(PHP 4, PHP 5, PHP 7)

snmpwalkoidQuery for a tree of information about a network entity


array snmpwalkoid ( string $hostname , string $community , string $object_id [, int $timeout = 1000000 [, int $retries = 5 ]] )

snmpwalkoid() function is used to read all object ids and their respective values from an SNMP agent specified by hostname.

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



The SNMP agent.


The read community.


If 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 number of microseconds until the first timeout.


The number of times to retry if timeouts occur.

Return Values

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


Example #1 snmpwalkoid() Example

for (
reset($a); $i key($a); next($a)) {
"$i$a[$i]<br />\n";

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

See Also

  • snmpwalk() - Fetch all the SNMP objects from an agent

snmpwalk || SNMP || SNMP Functions || PHP Manual
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