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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.mb-strrpos" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>mb_strrpos</refname>
<refpurpose>Find position of last occurrence of a string in a string</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>int</type><type>false</type></type><methodname>mb_strrpos</methodname>
<methodparam><type>string</type><parameter>haystack</parameter></methodparam>
<methodparam><type>string</type><parameter>needle</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>offset</parameter><initializer>0</initializer></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>encoding</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<para>
Performs a multibyte safe
<function>strrpos</function> operation based on the
number of characters. <parameter>needle</parameter> position is
counted from the beginning of
<parameter>haystack</parameter>. First character's position is
0. Second character position is 1.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>haystack</parameter></term>
<listitem>
<para>
The <type>string</type> being checked, for the last occurrence
of <parameter>needle</parameter>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>needle</parameter></term>
<listitem>
<para>
The <type>string</type> to find in <parameter>haystack</parameter>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>offset</parameter></term>
<listitem>
<simpara>
May be specified to begin searching an arbitrary number of characters into
the <type>string</type>. Negative values will stop searching at an arbitrary point
prior to the end of the <type>string</type>.
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>encoding</parameter></term>
<listitem>
&mbstring.encoding.parameter;
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns the numeric position of
the last occurrence of <parameter>needle</parameter> in the
<parameter>haystack</parameter> <type>string</type>. If
<parameter>needle</parameter> is not found, it returns &false;.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
&mbstring.changelog.needle-empty;
<row>
<entry>8.0.0</entry>
<entry>
Passing the <parameter>encoding</parameter> as the third argument
instead of an offset has been removed.
</entry>
</row>
&mbstring.changelog.encoding-nullable;
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mb_strpos</function></member>
<member><function>mb_internal_encoding</function></member>
<member><function>strrpos</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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