📄 function.snmpwalkoid.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Query for a tree of information about a network entity</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.snmp.html">SNMP Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.sockets.html">Sockets</a></div> <div class="up"><a href="ref.snmp.html">SNMP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.snmpwalkoid" class="refentry"> <div class="refnamediv"> <h1 class="refname">snmpwalkoid</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">snmpwalkoid</span> — <span class="dc-title">Query for a tree of information about a network entity </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><b><b>snmpwalkoid</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$hostname</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$community</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$object_id</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$timeout</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$retries</tt></span> ]] )</div> <p class="para rdfs-comment"> <b>snmpwalkoid()</b> function is used to read all object ids and their respective values from an SNMP agent specified by <i><tt class="parameter">hostname</tt></i>. </p> <p class="para"> The existence of <b>snmpwalkoid()</b> and <a href="function.snmpwalk.html" class="function">snmpwalk()</a> has historical reasons. Both functions are provided for backward compatibility. Use <a href="function.snmprealwalk.html" class="function">snmprealwalk()</a> instead. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">hostname</tt></i></span> <dd> <p class="para"> The SNMP agent. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">community</tt></i></span> <dd> <p class="para"> The read community. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">object_id</tt></i></span> <dd> <p class="para"> If <b><tt>NULL</tt></b>, <i><tt class="parameter">object_id</tt></i> is taken as the root of the SNMP objects tree and all objects under that tree are returned as an array. </p> <p class="para"> If <i><tt class="parameter">object_id</tt></i> is specified, all the SNMP objects below that <i><tt class="parameter">object_id</tt></i> are returned. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">timeout</tt></i></span> <dd> <p class="para"> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">retries</tt></i></span> <dd> <p class="para"> </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an associative array with object ids and their respective object value starting from the <i><tt class="parameter">object_id</tt></i> as root or <b><tt>FALSE</tt></b> on error. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>snmpwalkoid()</b> Example</b></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$a </span><span style="color: #007700">= </span><span style="color: #0000BB">snmpwalkoid</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">, </span><span style="color: #DD0000">""</span><span style="color: #007700">); <br />for (</span><span style="color: #0000BB">reset</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">); </span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">key</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">); </span><span style="color: #0000BB">next</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"$i: $a[$i]<br />\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> <p class="para"> 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 </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.snmpwalk.html" class="function" rel="rdfs-seeAlso">snmpwalk()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.snmp.html">SNMP Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.sockets.html">Sockets</a></div> <div class="up"><a href="ref.snmp.html">SNMP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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