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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.mb-encoding-aliases" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>mb_encoding_aliases</refname>
<refpurpose>Get aliases of a known encoding type</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>mb_encoding_aliases</methodname>
<methodparam><type>string</type><parameter>encoding</parameter></methodparam>
</methodsynopsis>
<para>
Returns an array of aliases for a known <parameter>encoding</parameter> type.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>encoding</parameter></term>
<listitem>
<para>
The encoding type being checked, for aliases.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns a numerically indexed array of encoding aliases.
</para>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<para>
Throws a <classname>ValueError</classname> if
<parameter>encoding</parameter> is unknown.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.0.0</entry>
<entry>
If the <parameter>encoding</parameter> is unknown, a <classname>ValueError</classname>
is now thrown; previously an <constant>E_WARNING</constant> was emitted,
and the function returned &false;.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>mb_encoding_aliases</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$encoding = 'ASCII';
$known_encodings = mb_list_encodings();
if (in_array($encoding, $known_encodings)) {
$aliases = mb_encoding_aliases($encoding);
print_r($aliases);
} else {
echo "Unknown ($encoding) encoding.\n";
}
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Array
(
[0] => ANSI_X3.4-1968
[1] => iso-ir-6
[2] => ANSI_X3.4-1986
[3] => ISO_646.irv:1991
[4] => US-ASCII
[5] => ISO646-US
[6] => us
[7] => IBM367
[8] => cp367
[9] => csASCII
)
]]>
</screen>
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mb_list_encodings</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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