📄 function.headers-list.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Returns a list of response headers sent (or ready to send)</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.header.html">header</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.headers-sent.html">headers_sent</a></div> <div class="up"><a href="ref.network.html">Network Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.headers-list" class="refentry"> <div class="refnamediv"> <h1 class="refname">headers_list</h1> <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">headers_list</span> — <span class="dc-title">Returns a list of response headers sent (or ready to send)</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><b><b>headers_list</b></b></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> <b>headers_list()</b> will return a list of headers to be sent to the browser / client. To determine whether or not these headers have been sent yet, use <a href="function.headers-sent.html" class="function">headers_sent()</a>. </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a numerically indexed array of headers. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Examples using <b>headers_list()</b></b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/* setcookie() will add a response header on its own */<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">/* Define a custom response header<br /> This will be ignored by most clients */<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">/* Specify plain text content in our response */<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">/* What headers are going to be sent? */<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></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><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> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.headers-sent.html" class="function" rel="rdfs-seeAlso">headers_sent()</a></li> <li class="member"><a href="function.header.html" class="function" rel="rdfs-seeAlso">header()</a></li> <li class="member"><a href="function.setcookie.html" class="function" rel="rdfs-seeAlso">setcookie()</a></li> <li class="member"><a href="function.apache-response-headers.html" class="function" rel="rdfs-seeAlso">apache_response_headers()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.header.html">header</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.headers-sent.html">headers_sent</a></div> <div class="up"><a href="ref.network.html">Network Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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