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

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<title>Extracts uploaded file embedded in the FDF</title>
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<div id="layout-content"><div id="function.fdf-get-attachment" class="refentry">
<div class="refnamediv">
<h1 class="refname">fdf_get_attachment</h1>
<p class="verinfo">(PHP 4 &gt;= 4.3.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">fdf_get_attachment</span> &mdash; <span class="dc-title">Extracts uploaded file embedded in the FDF</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.fdf-get-attachment-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>fdf_get_attachment</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$fdf_document</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$fieldname</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$savepath</code></span>
) : <span class="type">array</span></div>
<p class="para rdfs-comment">
Extracts a file uploaded by means of the &quot;file selection&quot; field
<code class="parameter">fieldname</code> and stores it under
<code class="parameter">savepath</code>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.fdf-get-attachment-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">fdf_document</code></dt>
<dd>
<p class="para">
The FDF document handle, returned by <span class="function"><a href="fdf_create.html" class="function">fdf_create()</a></span>,
<span class="function"><a href="fdf_open.html" class="function">fdf_open()</a></span> or <span class="function"><a href="fdf_open_string.html" class="function">fdf_open_string()</a></span>.
</p>
</dd>
<dt>
<code class="parameter">fieldname</code></dt>
<dd>
<p class="para">
</p>
</dd>
<dt>
<code class="parameter">savepath</code></dt>
<dd>
<p class="para">
May be the name of a plain file or an existing directory in which the
file is to be created under its original name. Any existing file under
the same name will be overwritten.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
There seems to be no other way to find out the original filename but
to store the file using a directory as
<code class="parameter">savepath</code> and check for the basename it was
stored under.
</p>
</p></blockquote>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.fdf-get-attachment-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
The returned array contains the following fields:
<ul class="itemizedlist">
<li class="listitem">
<span class="simpara"><code class="parameter">path</code> - path were the file got stored</span>
</li>
<li class="listitem">
<span class="simpara"><code class="parameter">size</code> - size of the stored file in bytes</span>
</li>
<li class="listitem">
<span class="simpara"><code class="parameter">type</code> - mimetype if given in the FDF</span>
</li>
</ul>
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.fdf-get-attachment-examples">
<h3 class="title">范例</h3>
<p class="para">
<div class="example" id="example-4151">
<p><strong>Example #1 Storing an uploaded file</strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />&nbsp;&nbsp;$fdf&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fdf_open_string</span><span style="color: #007700">(</span><span style="color: #0000BB">$HTTP_FDF_DATA</span><span style="color: #007700">);<br />&nbsp;&nbsp;</span><span style="color: #0000BB">$data&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fdf_get_attachment</span><span style="color: #007700">(</span><span style="color: #0000BB">$fdf</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"filename"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"/tmpdir"</span><span style="color: #007700">);<br />&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"The&nbsp;uploaded&nbsp;file&nbsp;is&nbsp;stored&nbsp;in&nbsp;</span><span style="color: #0000BB">$data</span><span style="color: #007700">[</span><span style="color: #0000BB">path</span><span style="color: #007700">]</span><span style="color: #DD0000">"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
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