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<title>Fetches all the headers sent by the server in response to a HTTP request</title>
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</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" id="refsect1-function.get-headers-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><strong>get_headers</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$url</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$format</code><span class="initializer"> = 0</span></span>
] )</div>
<p class="para rdfs-comment">
<span class="function"><strong>get_headers()</strong></span> returns an array with the headers sent
by the server in response to a HTTP request.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.get-headers-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">url</code></em></span>
<dd>
<p class="para">
The target URL.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">format</code></em></span>
<dd>
<p class="para">
If the optional <em><code class="parameter">format</code></em> parameter is set to non-zero,
<span class="function"><strong>get_headers()</strong></span> parses the response and sets the
array's keys.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.get-headers-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns an indexed or associative array with the headers, or <strong><code>FALSE</code></strong> on
failure.
</p>
</div>
<div class="refsect1 changelog" id="refsect1-function.get-headers-changelog">
<h3 class="title">Changelog</h3>
<p class="para">
<table class="doctable informaltable">
<thead>
<tr>
<th>Version</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>5.1.3</td>
<td>
This function now uses the default stream context, which can be
set/changed with the <span class="function"><a href="function.stream-context-set-default.html" class="function">stream_context_set_default()</a></span>
function.
</td>
</tr>
</tbody>
</table>
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.get-headers-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-4081">
<p><strong>Example #1 <span class="function"><strong>get_headers()</strong></span> example</strong></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">$url</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output
something similar to:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
Array
(
[0] => HTTP/1.1 200 OK
[1] => Date: Sat, 29 May 2004 12:28:13 GMT
[2] => Server: Apache/1.3.27 (Unix) (Red-Hat/Linux)
[3] => Last-Modified: Wed, 08 Jan 2003 23:11:55 GMT
[4] => ETag: "3f80f-1b6-3e1cb03b"
[5] => Accept-Ranges: bytes
[6] => Content-Length: 438
[7] => Connection: close
[8] => Content-Type: text/html
)
Array
(
[0] => HTTP/1.1 200 OK
[Date] => Sat, 29 May 2004 12:28:14 GMT
[Server] => Apache/1.3.27 (Unix) (Red-Hat/Linux)
[Last-Modified] => Wed, 08 Jan 2003 23:11:55 GMT
[ETag] => "3f80f-1b6-3e1cb03b"
[Accept-Ranges] => bytes
[Content-Length] => 438
[Connection] => close
[Content-Type] => text/html
)
</pre></div>
</div>
</div>
<div class="example" id="example-4082">
<p><strong>Example #2 <span class="function"><strong>get_headers()</strong></span> using HEAD example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// By default get_headers uses a GET request to fetch the headers. If you<br />// want to send a HEAD request instead, you can do so using a stream context:<br /></span><span style="color: #0000BB">stream_context_set_default</span><span style="color: #007700">(<br /> array(<br /> </span><span style="color: #DD0000">'http' </span><span style="color: #007700">=> array(<br /> </span><span style="color: #DD0000">'method' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'HEAD'<br /> </span><span style="color: #007700">)<br /> )<br />);<br /></span><span style="color: #0000BB">$headers </span><span style="color: #007700">= </span><span style="color: #0000BB">get_headers</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://example.com'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.get-headers-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.apache-request-headers.html" class="function" rel="rdfs-seeAlso">apache_request_headers()</a> - Fetch all HTTP request headers</span></li>
</ul>
</p>
</div>
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