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

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<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Gets information about last updated data</title>
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<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.rrd-lastupdate" class="refentry">
<div class="refnamediv">
<h1 class="refname">rrd_lastupdate</h1>
<p class="verinfo">(PECL rrd &gt;= 0.9.0)</p><p class="refpurpose"><span class="refname">rrd_lastupdate</span> &mdash; <span class="dc-title">Gets information about last updated data</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.rrd-lastupdate-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>rrd_lastupdate</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code></span>
) : <span class="type">array</span></div>
<p class="para rdfs-comment">
Gets array of the UNIX timestamp and the values stored for each date in the
most recent update of the RRD database file.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.rrd-lastupdate-parameters">
<h3 class="title">参数</h3>
<dl>
<dt>
<code class="parameter">file</code></dt>
<dd>
<p class="para">
RRD database file name.
</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.rrd-lastupdate-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
Array of information about last update, <strong><code>FALSE</code></strong> when error occurs.
</p>
</div>
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