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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry role="variable" xml:id="reserved.variables.request" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>$_REQUEST</refname>
<refpurpose>HTTP Request variables</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>
An associative <type>array</type> that by default contains the contents of
<varname>$_GET</varname>,
<varname>$_POST</varname>&listendand;
<varname>$_COOKIE</varname>.
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
¬e.is-superglobal;
<note>
<para>
When running on the <link linkend="features.commandline">command line
</link>, this will <emphasis>not</emphasis> include the
<link linkend="reserved.variables.argv">argv</link> and
<link linkend="reserved.variables.argc">argc</link> entries; these are
present in the <varname>$_SERVER</varname>
<type>array</type>.
</para>
</note>
<note>
<para>
The variables in <varname>$_REQUEST</varname> are provided to the
script via the GET, POST, and COOKIE input mechanisms and
therefore could be modified by the remote user and cannot be
trusted. The presence and order of variables listed in this array
is defined according to the PHP
<link linkend="ini.request-order">request_order</link>, and
<link linkend="ini.variables-order">variables_order</link>
configuration directives.
</para>
</note>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<simplelist>
<member><link linkend="language.variables.external">Handling external variables</link></member>
<member><link linkend="book.filter">The filter extension</link></member>
</simplelist>
</refsect1>
</refentry>
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