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130 lines
5.0 KiB
HTML
130 lines
5.0 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>删除之前设置的 HTTP 头</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.header-remove" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">header_remove</h1>
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<p class="verinfo">(PHP 5 >= 5.3.0, PHP 7)</p><p class="refpurpose"><span class="refname">header_remove</span> — <span class="dc-title">删除之前设置的 HTTP 头</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.header-remove-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>header_remove</strong></span>
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([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$name</code></span>
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] ) : <span class="type"><span class="type void">void</span></span></div>
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<p class="para rdfs-comment">
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删除之前用 <span class="function"><a href="header.html" class="function">header()</a></span> 设置的 HTTP 头。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.header-remove-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">name</code></dt>
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<dd>
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<p class="para">
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要移除的头名称。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<span class="simpara">
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参数不分大小写。
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</span>
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</p></blockquote>
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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.header-remove-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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没有返回值。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.header-remove-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-5491">
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<p><strong>Example #1 取消指定的头</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 />header</span><span style="color: #007700">(</span><span style="color: #DD0000">"X-Foo: Bar"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"X-Bar: Baz"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">header_remove</span><span style="color: #007700">(</span><span style="color: #DD0000">"X-Foo"</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>以上例程的输出类似于：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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X-Bar: Baz
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</pre></div>
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</div>
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</div>
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<div class="example" id="example-5492">
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<p><strong>Example #2 取消之前全部指定的头</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 />header</span><span style="color: #007700">(</span><span style="color: #DD0000">"X-Foo: Bar"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"X-Bar: Baz"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">header_remove</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>以上例程的输出类似于：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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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 notes" id="refsect1-function.header-remove-notes">
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<h3 class="title">注释</h3>
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<div class="caution"><strong class="caution">Caution</strong>
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<p class="para">
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本函数会删除<em class="emphasis">所有</em> PHP 设置的头，
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包括 Cookie、Session 和 <em>X-Powered-By</em>。
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</p>
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</div>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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数据头只会在SAPI支持时得到处理和输出。
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</p>
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</p></blockquote>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.header-remove-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="header.html" class="function" rel="rdfs-seeAlso">header()</a> - 发送原生 HTTP 头</span></li>
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<li class="member"><span class="function"><a href="headers_sent.html" class="function" rel="rdfs-seeAlso">headers_sent()</a> - 检测 HTTP 头是否已经发送</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> |