<?xml version='1.0' encoding='iso-8859-1'?>
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  <refentry id="function.get-headers">
   <refnamediv>
    <refname>get_headers</refname>
    <refpurpose>
     Fetches all the headers sent by the server in response to a HTTP request
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <methodsynopsis>
     <type>array</type><methodname>get_headers</methodname>
     <methodparam><type>string</type><parameter>url</parameter></methodparam>
     <methodparam choice="opt"><type>int</type><parameter>format</parameter></methodparam>
    </methodsynopsis>
    <para>
     <function>get_headers</function> returns an array with the headers sent
     by the server in response to a HTTP request. Returns &false; on failure.
    </para>
    <para>
     If the optional <parameter>format</parameter> parameter is set to 1,
     <function>get_headers</function> parses the response and sets the array's
     keys.
    </para>
    <para>
     <example>
      <title><function>get_headers</function> example</title>
      <programlisting role="php">
<![CDATA[
<?php
$url = 'http://www.example.com';

print_r(get_headers($url));

print_r(get_headers($url, 1));
?>
]]>
      </programlisting>
      <para>
       The above example will output something like:
      </para>
      <screen>
<![CDATA[
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
)
]]>
      </screen>
     </example>
    </para>
   </refsect1>
  </refentry>

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