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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.mb-chr" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>mb_chr</refname>
<refpurpose>Return character by Unicode code point value</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>string</type><type>false</type></type><methodname>mb_chr</methodname>
<methodparam><type>int</type><parameter>codepoint</parameter></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>encoding</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<para>
Returns a string containing the character specified by the Unicode code point value,
encoded in the specified encoding.
</para>
<para>
This function complements <function>mb_ord</function>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>codepoint</parameter></term>
<listitem>
<para>
A Unicode codepoint value, e.g. <literal>128024</literal> for <emphasis>U+1F418 ELEPHANT</emphasis>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>encoding</parameter></term>
<listitem>
&mbstring.encoding.parameter;
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
A string containing the requested character, if it can be represented in the specified
encoding &return.falseforfailure;.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
&mbstring.changelog.encoding-nullable;
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title>&intl.codepoint.example;</title>
<programlisting role="php">
<![CDATA[
<?php
$values = [65, 63, 0x20AC, 128024];
foreach ($values as $value) {
var_dump(mb_chr($value, 'UTF-8'));
var_dump(mb_chr($value, 'ISO-8859-1'));
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
string(1) "A"
string(1) "A"
string(1) "?"
string(1) "?"
string(3) "€"
bool(false)
string(4) "🐘"
bool(false)
]]>
</screen>
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mb_internal_encoding</function></member>
<member><function>mb_ord</function></member>
<member><function>IntlChar::ord</function></member>
<member><function>chr</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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