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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.mb-http-input" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>mb_http_input</refname>
<refpurpose>Detect HTTP input character encoding</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>array</type><type>string</type><type>false</type></type><methodname>mb_http_input</methodname>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>type</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<simpara>
Detects the HTTP input character encoding.
</simpara>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>type</parameter></term>
<listitem>
<para>
Input string specifies the input type.
<literal>"G"</literal> for GET, <literal>"P"</literal> for POST, <literal>"C"</literal> for COOKIE, <literal>"S"</literal> for string, <literal>"L"</literal> for list, and
<literal>"I"</literal> for the whole list (will return <type>array</type>).
If type is omitted, it returns the last input type processed.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The character encoding name, as per the <parameter>type</parameter>,
or an array of character encoding names, if <parameter>type</parameter> is <literal>"I"</literal>.
If <function>mb_http_input</function> does not process specified
HTTP input, it returns &false;.
</para>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<simpara>
Throws a <exceptionname>ValueError</exceptionname> if
<parameter>type</parameter> is invalid.
</simpara>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.4.0</entry>
<entry>
<function>mb_http_input</function> now throws a
<exceptionname>ValueError</exceptionname> if <parameter>type</parameter>
is invalid.
</entry>
</row>
<row>
<entry>8.0.0</entry>
<entry>
<parameter>type</parameter> is nullable now.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mb_internal_encoding</function></member>
<member><function>mb_http_output</function></member>
<member><function>mb_detect_order</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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