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https://github.com/sigmasternchen/php-doc-en
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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@279918 c90b9560-bf6c-de11-be94-00142212c4b1
137 lines
4.2 KiB
XML
137 lines
4.2 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.16 $ -->
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<refentry xml:id="function.import-request-variables" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>import_request_variables</refname>
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<refpurpose>Import GET/POST/Cookie variables into the global scope</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>bool</type><methodname>import_request_variables</methodname>
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<methodparam><type>string</type><parameter>types</parameter></methodparam>
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<methodparam choice="opt"><type>string</type><parameter>prefix</parameter></methodparam>
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</methodsynopsis>
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<para>
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Imports GET/POST/Cookie variables into the global scope. It is useful if
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you disabled <link linkend="ini.register-globals">register_globals</link>,
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but would like to see some variables in the global scope.
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</para>
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<para>
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If you're interested in importing other variables into the global scope,
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such as <varname>$_SERVER</varname>, consider using <function>extract</function>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>types</parameter></term>
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<listitem>
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<para>
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Using the <parameter>types</parameter> parameter, you can specify
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which request variables to import. You can use 'G', 'P' and 'C'
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characters respectively for GET, POST and Cookie. These characters are
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not case sensitive, so you can also use any combination of 'g', 'p'
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and 'c'. POST includes the POST uploaded file information.
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</para>
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<note>
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<para>
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Note that the order of the letters matters, as when using
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"<literal>GP</literal>", the
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POST variables will overwrite GET variables with the same name. Any
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other letters than GPC are discarded.
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</para>
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</note>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>prefix</parameter></term>
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<listitem>
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<para>
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Variable name prefix, prepended before all variable's name imported
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into the global scope. So if you have a GET value named
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"<literal>userid</literal>", and provide a prefix
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"<literal>pref_</literal>", then you'll get a global variable named
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<varname>$pref_userid</varname>.
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</para>
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<note>
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<para>
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Although the <parameter>prefix</parameter> parameter is optional, you
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will get an <link linkend="errorfunc.constants.errorlevels.e-notice"><constant>E_NOTICE</constant></link> level
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error if you specify no prefix, or specify an empty string as a
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prefix. This is a possible security hazard. Notice level errors are
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not displayed using the default <link
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linkend="ini.error-reporting">error reporting</link> level.
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</para>
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</note>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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&return.success;
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>import_request_variables</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// This will import GET and POST vars
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// with an "rvar_" prefix
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import_request_variables("gp", "rvar_");
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echo $rvar_foo;
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><varname>$_REQUEST</varname></member>
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<member><link linkend="ini.register-globals">register_globals</link></member>
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<member><link linkend="language.variables.predefined">Predefined Variables</link></member>
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<member><function>extract</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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