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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.4 $ -->
<refentry id="function.nsapi-request-headers">
<refnamediv>
<refname>nsapi_request_headers</refname>
<refpurpose>Fetch all HTTP request headers</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>nsapi_request_headers</methodname>
<void/>
</methodsynopsis>
<para>
<function>nsapi_request_headers</function> gets all the HTTP headers in
the current request. This is only supported when PHP runs as a
<productname>NSAPI</productname> module.
</para>
<note>
<para>
Prior to PHP 4.3.3, <function>getallheaders</function> was only
available for the Apache servers. After PHP 4.3.3,
<function>getallheaders</function> is an alias for
<function>nsapi_request_headers</function> if you use the NSAPI module.
</para>
</note>
<note>
<para>
You can also get at the value of the common CGI variables by
reading them from the <literal>$_SERVER</literal> superglobal, which
works whether or not you are using PHP as a
<productname>NSAPI</productname> module.
</para>
</note>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns an associative array with all the HTTP headers.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>nsapi_request_headers</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$headers = nsapi_request_headers();
foreach ($headers as $header => $value) {
echo "$header: $value <br />\n";
}
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
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