uTools-Manuals/docs/php/rrd_update.html
2019-04-08 23:22:26 +08:00

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<title>Updates the RRD database</title>
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<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.rrd-update" class="refentry">
<div class="refnamediv">
<h1 class="refname">rrd_update</h1>
<p class="verinfo">(PECL rrd &gt;= 0.9.0)</p><p class="refpurpose"><span class="refname">rrd_update</span> &mdash; <span class="dc-title">Updates the RRD database</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.rrd-update-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>rrd_update</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code></span>
, <span class="methodparam"><span class="type">array</span> <code class="parameter">$options</code></span>
) : <span class="type">bool</span></div>
<p class="para rdfs-comment">
Updates the RRD database file. The input data is time interpolated according to the
properties of the RRD database file.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.rrd-update-parameters">
<h3 class="title">参数</h3>
<dl>
<dt>
<code class="parameter">filename</code></dt>
<dd>
<p class="para">
RRD database file name. This database will be updated.
</p>
</dd>
<dt>
<code class="parameter">options</code></dt>
<dd>
<p class="para">
Options for updating the RRD database. This is list of strings. See man page of rrd update
for whole list of options.
</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.rrd-update-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> on success, <strong><code>FALSE</code></strong> when error occurs.
</p>
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