📄 function.get-headers.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>Fetches all the headers sent by the server in response to a HTTP request</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.base64-encode.html">base64_encode</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.get-meta-tags.html">get_meta_tags</a></div> <div class="up"><a href="ref.url.html">URL Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.get-headers" class="refentry"> <div class="refnamediv"> <h1 class="refname">get_headers</h1> <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">get_headers</span> — <span class="dc-title">Fetches all the headers sent by the server in response to a HTTP request</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>get_headers</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$url</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$format</tt></span> ] )</div> <p class="para rdfs-comment"> <b>get_headers()</b> returns an array with the headers sent by the server in response to a HTTP request. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">url</tt></i></span> <dd> <p class="para"> The target URL. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">format</tt></i></span> <dd> <p class="para"> If the optional <i><tt class="parameter">format</tt></i> parameter is set to 1, <b>get_headers()</b> parses the response and sets the array's keys. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an indexed or associative array with the headers, or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 changelog"> <h3 class="title">ChangeLog</h3> <p class="para"> <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Version</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">5.1.3</td> <td colspan="1" rowspan="1" align="left"> This function now uses the default stream context, which can be set/changed with the <a href="function.stream-context-get-default.html" class="function">stream_context_get_default()</a> function. </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>get_headers()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$url </span><span style="color: #007700">= </span><span style="color: #DD0000">'http://www.example.com'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">get_headers</span><span style="color: #007700">(</span><span style="color: #0000BB">$url</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">get_headers</span><span style="color: #007700">(</span><span style="color: #0000BB">$url</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>Array( [0] => HTTP/1.1 200 OK [1] => Date: Sat, 29 May 2004 12:28:13 GMT [2] => Server: Apache/1.3.27 (Unix) (Red-Hat/Linux) [3] => Last-Modified: Wed, 08 Jan 2003 23:11:55 GMT [4] => ETag: "3f80f-1b6-3e1cb03b" [5] => Accept-Ranges: bytes [6] => Content-Length: 438 [7] => Connection: close [8] => Content-Type: text/html)Array( [0] => HTTP/1.1 200 OK [Date] => Sat, 29 May 2004 12:28:14 GMT [Server] => Apache/1.3.27 (Unix) (Red-Hat/Linux) [Last-Modified] => Wed, 08 Jan 2003 23:11:55 GMT [ETag] => "3f80f-1b6-3e1cb03b" [Accept-Ranges] => bytes [Content-Length] => 438 [Connection] => close [Content-Type] => text/html)</pre></div> </pre></div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; 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