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74 lines
2.2 KiB
HTML
74 lines
2.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Creates image from a data</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.rrd-graph" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">rrd_graph</h1>
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<p class="verinfo">(PECL rrd >= 0.9.0)</p><p class="refpurpose"><span class="refname">rrd_graph</span> — <span class="dc-title">Creates image from a data</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.rrd-graph-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>rrd_graph</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code></span>
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, <span class="methodparam"><span class="type">array</span> <code class="parameter">$options</code></span>
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) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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Creates image for a particular data from RRD file.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.rrd-graph-parameters">
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<h3 class="title">参数</h3>
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<dl>
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<dt>
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<code class="parameter">filename</code></dt>
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<dd>
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<p class="para">
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The filename to output the graph to. This will generally end in either
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<em>.png</em>, <em>.svg</em> or
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<em>.eps</em>, depending on the format you want to output.
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</p>
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</dd>
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<dt>
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<code class="parameter">options</code></dt>
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<dd>
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<p class="para">
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Options for generating image. See man page of rrd graph for all
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possible options. All options (data definitions, variable defintions, etc.)
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are allowed.
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</p>
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</dd>
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</dl>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.rrd-graph-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Array with information about generated image is returned, <strong><code>FALSE</code></strong> when error
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occurs.
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</p>
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</div>
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</div></div></div></body></html> |