mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-19 06:16:58 +08:00
95 lines
5.0 KiB
HTML
95 lines
5.0 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
|
|
<title>返回已发送的 HTTP 响应头（或准备发送的）</title>
|
|
</head>
|
|
<body class="docs"><div id="layout">
|
|
<div id="layout-content"><div id="function.headers-list" class="refentry">
|
|
<div class="refnamediv">
|
|
<h1 class="refname">headers_list</h1>
|
|
<p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">headers_list</span> — <span class="dc-title">返回已发送的 HTTP 响应头（或准备发送的）</span></p>
|
|
|
|
</div>
|
|
|
|
<div class="refsect1 description" id="refsect1-function.headers-list-description">
|
|
<h3 class="title">说明</h3>
|
|
<div class="methodsynopsis dc-description">
|
|
<span class="methodname"><strong>headers_list</strong></span>
|
|
( <span class="methodparam">void</span>
|
|
) : <span class="type">array</span></div>
|
|
|
|
<p class="para rdfs-comment">
|
|
<span class="function"><strong>headers_list()</strong></span> 会返回准备发送给浏览器/客户端的 HTTP 头列表。
|
|
检测这些头是否已经发送，使用 <span class="function"><a href="headers_sent.html" class="function">headers_sent()</a></span>。
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 returnvalues" id="refsect1-function.headers-list-returnvalues">
|
|
<h3 class="title">返回值</h3>
|
|
<p class="para">
|
|
返回数字索引的头数组。
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 examples" id="refsect1-function.headers-list-examples">
|
|
<h3 class="title">范例</h3>
|
|
<p class="para">
|
|
<div class="example" id="example-5495">
|
|
<p><strong>Example #1 使用 <span class="function"><strong>headers_list()</strong></span> 的例子</strong></p>
|
|
<div class="example-contents">
|
|
<div class="phpcode"><pre><span style="color: #000000">
|
|
<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/* setcookie() 会自己添加一个响应头 */<br /></span><span style="color: #0000BB">setcookie</span><span style="color: #007700">(</span><span style="color: #DD0000">'foo'</span><span style="color: #007700">, </span><span style="color: #DD0000">'bar'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* 添加自定义的响应头<br /> 大多数客户端会主动忽略 */<br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"X-Sample-Test: foo"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* 响应中指定内容为明文 text */<br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">'Content-type: text/plain'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* 所以会发送什么头呢？ */<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">headers_list</span><span style="color: #007700">());<br /><br /></span><span style="color: #0000BB">?></span>
|
|
</span>
|
|
</pre></div>
|
|
</div>
|
|
|
|
<div class="example-contents"><p>以上例程会输出：</p></div>
|
|
<div class="example-contents screen">
|
|
<div class="cdata"><pre>
|
|
array(4) {
|
|
[0]=>
|
|
string(23) "X-Powered-By: PHP/5.1.3"
|
|
[1]=>
|
|
string(19) "Set-Cookie: foo=bar"
|
|
[2]=>
|
|
string(18) "X-Sample-Test: foo"
|
|
[3]=>
|
|
string(24) "Content-type: text/plain"
|
|
}
|
|
|
|
</pre></div>
|
|
</div>
|
|
</div>
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 notes" id="refsect1-function.headers-list-notes">
|
|
<h3 class="title">注释</h3>
|
|
<blockquote class="note"><p><strong class="note">Note</strong>:
|
|
<p class="para">
|
|
数据头只会在SAPI支持时得到处理和输出。
|
|
</p>
|
|
</p></blockquote>
|
|
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 seealso" id="refsect1-function.headers-list-seealso">
|
|
<h3 class="title">参见</h3>
|
|
<p class="para">
|
|
<ul class="simplelist">
|
|
<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>
|
|
<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>
|
|
<li class="member"><span class="function"><a href="setcookie.html" class="function" rel="rdfs-seeAlso">setcookie()</a> - 发送 Cookie</span></li>
|
|
<li class="member"><span class="function"><a href="apache_response_headers.html" class="function" rel="rdfs-seeAlso">apache_response_headers()</a> - 获得全部 HTTP 响应头信息</span></li>
|
|
<li class="member"><span class="function"><a href="http_response_code.html" class="function" rel="rdfs-seeAlso">http_response_code()</a> - 获取/设置响应的 HTTP 状态码</span></li>
|
|
</ul>
|
|
</p>
|
|
</div>
|
|
|
|
|
|
</div></div></div></body></html> |