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176 lines
8.3 KiB
HTML
176 lines
8.3 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>一次性解码多个 MIME 头字段</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.iconv-mime-decode-headers" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">iconv_mime_decode_headers</h1>
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<p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">iconv_mime_decode_headers</span> — <span class="dc-title">一次性解码多个 <em>MIME</em> 头字段</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.iconv-mime-decode-headers-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>iconv_mime_decode_headers</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$encoded_headers</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code><span class="initializer"> = 0</span></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$charset</code><span class="initializer"> = ini_get("iconv.internal_encoding")</span></span>
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]] ) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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一次性解码多个 <em>MIME</em> 头字段。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.iconv-mime-decode-headers-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">encoded_headers</code></dt>
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<dd>
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<p class="para">
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编码过的头，是一个字符串。
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</p>
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</dd>
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<dt>
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<code class="parameter">mode</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">mode</code> 决定了 <span class="function"><strong>iconv_mime_decode_headers()</strong></span> 遇到畸形 <em>MIME</em> 头字段时的行为。
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你可以指定为以下位掩码的任意组合。
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<table class="doctable table">
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<caption><strong><span class="function"><strong>iconv_mime_decode_headers()</strong></span> 接受的位掩码</strong></caption>
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<thead>
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<tr>
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<th>值</th>
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<th>常量</th>
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<th>描述</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>1</td>
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<td>ICONV_MIME_DECODE_STRICT</td>
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<td>
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如果设置了，给定的头将会以 <a href="http://www.faqs.org/rfcs/rfc2047" class="link external">» RFC2047</a> 定义的标准完全一致。
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这个选项默认禁用，因为大量有问题的邮件用户代理不遵循标准并产生不正确的 <em>MIME</em> 头。
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</td>
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</tr>
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<tr>
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<td>2</td>
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<td>ICONV_MIME_DECODE_CONTINUE_ON_ERROR</td>
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<td>
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如果设置了，<span class="function"><strong>iconv_mime_decode_headers()</strong></span> 尝试忽略任何语法错误并继续处理指定的头。
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</td>
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</tr>
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</tbody>
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</table>
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</p>
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</dd>
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<dt>
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<code class="parameter">charset</code></dt>
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<dd>
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<p class="para">
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可选参数 <code class="parameter">charset</code> 指定了字符集结果的表现。
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如果省略了，将使用
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<a href="iconv.configuration.html" class="link">iconv.internal_encoding</a>。
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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.iconv-mime-decode-headers-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <code class="parameter">encoded_headers</code> 指定的 <em>MIME</em> 头的整套关联数组，解码时出现错误则返回 <strong><code>FALSE</code></strong>。
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</p>
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<p class="para">
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返回元素的每个键代表独立字段名，相应的元素代表一个字段值。
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如果有多个同一名称的字段，
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<span class="function"><strong>iconv_mime_decode_headers()</strong></span> 自动将他们按出现顺序结合成数字索引的数组。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.iconv-mime-decode-headers-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-2890">
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<p><strong>Example #1 <span class="function"><strong>iconv_mime_decode_headers()</strong></span> 例子</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$headers_string </span><span style="color: #007700">= <<<EOF<br /></span><span style="color: #DD0000">Subject: =?UTF-8?B?UHLDvGZ1bmcgUHLDvGZ1bmc=?=<br />To: example@example.com<br />Date: Thu, 1 Jan 1970 00:00:00 +0000<br />Message-Id: <example@example.com><br />Received: from localhost (localhost [127.0.0.1]) by localhost<br /> with SMTP id example for <example@example.com>;<br /> Thu, 1 Jan 1970 00:00:00 +0000 (UTC)<br /> (envelope-from example-return-0000-example=example.com@example.com)<br />Received: (qmail 0 invoked by uid 65534); 1 Thu 2003 00:00:00 +0000<br /><br /></span><span style="color: #007700">EOF;<br /><br /></span><span style="color: #0000BB">$headers </span><span style="color: #007700">= </span><span style="color: #0000BB">iconv_mime_decode_headers</span><span style="color: #007700">(</span><span style="color: #0000BB">$headers_string</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #DD0000">"ISO-8859-1"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$headers</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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Array
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(
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[Subject] => Prüfung Prüfung
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[To] => example@example.com
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[Date] => Thu, 1 Jan 1970 00:00:00 +0000
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[Message-Id] => <example@example.com>
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[Received] => Array
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(
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[0] => from localhost (localhost [127.0.0.1]) by localhost with SMTP id example for <example@example.com>; Thu, 1 Jan 1970 00:00:00 +0000 (UTC) (envelope-from example-return-0000-example=example.com@example.com)
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[1] => (qmail 0 invoked by uid 65534); 1 Thu 2003 00:00:00 +0000
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)
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)
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.iconv-mime-decode-headers-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="iconv_mime_decode.html" class="function" rel="rdfs-seeAlso">iconv_mime_decode()</a> - 解码一个MIME头字段</span></li>
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<li class="member"><span class="function"><a href="mb_decode_mimeheader.html" class="function" rel="rdfs-seeAlso">mb_decode_mimeheader()</a> - 解码 MIME 头字段中的字符串</span></li>
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<li class="member"><span class="function"><a href="imap_mime_header_decode.html" class="function" rel="rdfs-seeAlso">imap_mime_header_decode()</a> - Decode MIME header elements</span></li>
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<li class="member"><span class="function"><a href="imap_base64.html" class="function" rel="rdfs-seeAlso">imap_base64()</a> - Decode BASE64 encoded text</span></li>
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<li class="member"><span class="function"><a href="imap_qprint.html" class="function" rel="rdfs-seeAlso">imap_qprint()</a> - Convert a quoted-printable string to an 8 bit string</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> |