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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.snmp2-real-walk" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>snmp2_real_walk</refname>
<refpurpose>Return all objects including their respective object ID within the specified one</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>array</type><type>false</type></type><methodname>snmp2_real_walk</methodname>
<methodparam><type>string</type><parameter>hostname</parameter></methodparam>
<methodparam><type>string</type><parameter>community</parameter></methodparam>
<methodparam><type class="union"><type>array</type><type>string</type></type><parameter>object_id</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>timeout</parameter><initializer>-1</initializer></methodparam>
<methodparam choice="opt"><type>int</type><parameter>retries</parameter><initializer>-1</initializer></methodparam>
</methodsynopsis>
<para>
The <function>snmp2_real_walk</function> function is used to traverse over a number
of <acronym>SNMP</acronym> objects starting from <parameter>object_id</parameter>
and return not only their values but also their object ids.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>hostname</parameter></term>
<listitem>
<para>
The hostname of the <acronym>SNMP</acronym> agent (server).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>community</parameter></term>
<listitem>
<para>
The read community.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>object_id</parameter></term>
<listitem>
<para>
The <acronym>SNMP</acronym> object id which precedes the wanted one.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>timeout</parameter></term>
<listitem>
<para>
The number of microseconds until the first timeout.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>retries</parameter></term>
<listitem>
<para>
The number of times to retry if timeouts occur.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns an associative array of the <acronym>SNMP</acronym> object ids and their values on success or &false; on error.
In case of an error, an E_WARNING message is shown.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Using <function>snmp2_real_walk</function></title>
<programlisting role="php">
<![CDATA[
<?php
print_r(snmp2_real_walk("localhost", "public", "IF-MIB::ifName"));
?>
]]>
</programlisting>
<para>
The above will output something like:
<![CDATA[
Array
(
[IF-MIB::ifName.1] => STRING: lo
[IF-MIB::ifName.2] => STRING: eth0
[IF-MIB::ifName.3] => STRING: eth2
[IF-MIB::ifName.4] => STRING: sit0
[IF-MIB::ifName.5] => STRING: sixxs
)
]]>
</para>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>snmp2_walk</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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