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108 lines
3.8 KiB
HTML
108 lines
3.8 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>Returns header for a message</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.imap-fetchheader" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">imap_fetchheader</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">imap_fetchheader</span> — <span class="dc-title">Returns header for a message</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.imap-fetchheader-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>imap_fetchheader</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$imap_stream</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$msg_number</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$options</code><span class="initializer"> = 0</span></span>
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] ) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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This function causes a fetch of the complete, unfiltered <a href="http://www.faqs.org/rfcs/rfc2822" class="link external">» RFC2822</a> format header of the specified
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message.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.imap-fetchheader-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">
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imap_stream</code></dt>
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<dd>
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<p class="para">由 <span class="function"><a href="imap_open.html" class="function">imap_open()</a></span> 返回的 IMAP 流。</p></dd>
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<dt>
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<code class="parameter">msg_number</code></dt>
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<dd>
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<p class="para">
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The message number
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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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The possible <code class="parameter">options</code> are:
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<ul class="itemizedlist">
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<li class="listitem">
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<span class="simpara">
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<strong><code>FT_UID</code></strong> - The <code class="parameter">msgno</code>
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argument is a UID
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<strong><code>FT_INTERNAL</code></strong> - The return string
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is in "internal" format, without any attempt to
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canonicalize to CRLF newlines
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</span>
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</li>
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<li class="listitem">
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<span class="simpara">
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<strong><code>FT_PREFETCHTEXT</code></strong> - The RFC822.TEXT
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should be pre-fetched at the same time. This avoids an
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extra RTT on an <acronym title="Internet Message Access Protocol">IMAP</acronym> connection if a full message text is
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desired (e.g. in a "save to local file" operation)
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</span>
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</li>
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</ul>
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.imap-fetchheader-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns the header of the specified message as a text string.
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.imap-fetchheader-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="imap_fetch_overview.html" class="function" rel="rdfs-seeAlso">imap_fetch_overview()</a> - Read an overview of the information in the headers of the given message</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |