mb-encoding-aliases.xml

<?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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