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# snmpwalk

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.

      1
      2 $a = snmpwalk("127.0.0.1", "public", "");
      3

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

      1
      2 for ($i=0; $i<count($a); $i++) {
      3     echo $a[$i];
      4 }
      5

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