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<div id="snmp.get" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">SNMP::get</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.4.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">SNMP::get</span> &mdash; <span class="dc-title">Fetch an <abbr title="Simple Network Management Protocol">SNMP</abbr> object</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-snmp.get-description">
  <h3 class="title">Beschreibung</h3>

  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>SNMP::get</strong></span>(<span class="methodparam"><span class="type"><span class="type"><a href="language.types.array.php" class="type array">array</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$objectId</code></span>, <span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter">$preserveKeys</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong></span></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>

  <p class="simpara">
   Fetch an <abbr title="Simple Network Management Protocol">SNMP</abbr> object specified in
   <code class="parameter">objectId</code> using GET query.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-snmp.get-parameters">
  <h3 class="title">Parameter-Liste</h3>
  <p class="simpara">
  If <code class="parameter">objectId</code> is a string, then <span class="methodname"><strong>SNMP::get()</strong></span>
  will return <abbr title="Simple Network Management Protocol">SNMP</abbr> object as string. If
  <code class="parameter">objectId</code> is an array, all requested <abbr title="Simple Network Management Protocol">SNMP</abbr>
  objects will be returned as associative array of the <abbr title="Simple Network Management Protocol">SNMP</abbr> object ids and their
  values.
  </p>
  <dl>
  
   <dt><code class="parameter">objectId</code></dt>
   <dd>
    <span class="simpara">
     The <abbr title="Simple Network Management Protocol">SNMP</abbr> object (OID) or objects
    </span>
   </dd>
  
  
   <dt><code class="parameter">preserveKeys</code></dt>
   <dd>
    <span class="simpara">
     When <code class="parameter">objectId</code> is an array and
     <code class="parameter">preserveKeys</code> set to <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> keys in results
     will be taken exactly as in <code class="parameter">objectId</code>,
     otherwise <var class="varname">SNMP::oid_output_format</var> property is used to determinate
     the form of keys.
    </span>
   </dd>
  
 </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-snmp.get-returnvalues">
  <h3 class="title">Rückgabewerte</h3>
  <p class="simpara">
   Returns <abbr title="Simple Network Management Protocol">SNMP</abbr> objects requested as string or array
   depending on <code class="parameter">objectId</code> type or <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> on error.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-snmp.get-errors">
<h3 class="title">Fehler/Exceptions</h3>
<p class="para">
 Diese Methode löst standardmäßig keine Exceptions aus.
 Um das Auslösen einer SNMPException-Exception beim Auftreten bestimmter Bibliotheksfehler zu aktivieren, muss
 muss der SNMP-Klassenparameter <code class="parameter">exceptions_enabled</code>
 auf einen entsprechenden Wert gesetzt werden. Siehe <a href="class.snmp.php#snmp.props.exceptions-enabled" class="link">
 <code class="parameter">SNMP::$exceptions_enabled</code> explanation</a> für weitere Details.
</p>
</div>



 <div class="refsect1 examples" id="refsect1-snmp.get-examples">
  <h3 class="title">Beispiele</h3>
  <div class="example" id="snmp.get.example.singleoid">
   <p><strong>Beispiel #1 Single <abbr title="Simple Network Management Protocol">SNMP</abbr> object</strong></p>
   <div class="example-contents"><p>
     Single <abbr title="Simple Network Management Protocol">SNMP</abbr> object may be requested in two ways: as
     string resulting string return value or as single-element array with
     associative array as output.
   </p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />  $session </span><span style="color: #007700">= new </span><span style="color: #0000BB">SNMP</span><span style="color: #007700">(</span><span style="color: #0000BB">SNMP</span><span style="color: #007700">::</span><span style="color: #0000BB">VERSION_1</span><span style="color: #007700">, </span><span style="color: #DD0000">"127.0.0.1"</span><span style="color: #007700">, </span><span style="color: #DD0000">"public"</span><span style="color: #007700">);<br />  </span><span style="color: #0000BB">$sysdescr </span><span style="color: #007700">= </span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">get</span><span style="color: #007700">(</span><span style="color: #DD0000">"sysDescr.0"</span><span style="color: #007700">);<br />  echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$sysdescr</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />  </span><span style="color: #0000BB">$sysdescr </span><span style="color: #007700">= </span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">get</span><span style="color: #007700">(array(</span><span style="color: #DD0000">"sysDescr.0"</span><span style="color: #007700">));<br />  </span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$sysdescr</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>Das oben gezeigte Beispiel erzeugt
eine ähnliche Ausgabe wie:</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">STRING: Test server
Array
(
    [SNMPv2-MIB::sysDescr.0] =&gt; STRING: Test server
)</pre>
</div>
   </div>
  </div>
  <div class="example" id="snmp.get.example.oidarray">
   <p><strong>Beispiel #2 Multiple <abbr title="Simple Network Management Protocol">SNMP</abbr> objects</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">$session = new SNMP(SNMP::VERSION_1, "127.0.0.1", "public");<br />  $results = $session-&gt;get(array("sysDescr.0", "sysName.0"));<br />  print_r($results);<br />  $session-&gt;close();</span></code></div>
   </div>

   <div class="example-contents"><p>Das oben gezeigte Beispiel erzeugt
eine ähnliche Ausgabe wie:</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">Array
(
    [SNMPv2-MIB::sysDescr.0] =&gt; STRING: Test server
    [SNMPv2-MIB::sysName.0] =&gt; STRING: myhost.nodomain
)</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-snmp.get-seealso">
  <h3 class="title">Siehe auch</h3>
  <ul class="simplelist">
   <li><span class="methodname"><a href="snmp.geterrno.php" class="methodname" rel="rdfs-seeAlso">SNMP::getErrno()</a> - Get last error code</span></li>
   <li><span class="methodname"><a href="snmp.geterror.php" class="methodname" rel="rdfs-seeAlso">SNMP::getError()</a> - Get last error message</span></li>
  </ul>
 </div>


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