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>iconv_strrpos</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN84920"
></A
><P
> (PHP 5)</P
>iconv_strrpos -- Finds the last occurrence of a needle within a haystack</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN84923"
></A
><H2
>说明</H2
>int <B
CLASS="methodname"
>iconv_strrpos</B
> ( string haystack, string needle [, string charset] )<BR
></BR
><P
> In contrast to <A
HREF="function.strpos.html"
><B
CLASS="function"
>strpos()</B
></A
>, the return value of
<B
CLASS="function"
>iconv_strrpos()</B
> is the number of characters that
appear before the needle, rather than the offset in bytes to the
position where the needle has been found.
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN84940"
></A
><H2
>参数</H2
><P
> <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>haystack</CODE
></DT
><DD
><P
> The entire string.
</P
></DD
><DT
><CODE
CLASS="parameter"
>needle</CODE
></DT
><DD
><P
> The searched substring.
</P
></DD
><DT
><CODE
CLASS="parameter"
>charset</CODE
></DT
><DD
><P
> If <CODE
CLASS="parameter"
>charset</CODE
> parameter is omitted,
<CODE
CLASS="parameter"
>string</CODE
> are assumed to be encoded in
<A
HREF="ref.iconv.html#iconv.configuration"
>iconv.internal_encoding</A
>.
</P
></DD
></DL
></DIV
>
</P
><P
> If <CODE
CLASS="parameter"
>haystack</CODE
> or <CODE
CLASS="parameter"
>needle</CODE
> is
not a string, it is converted to a string and applied as the ordinal
value of a character.
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN84965"
></A
><H2
>返回值</H2
><P
> Returns the numeric position of the last occurrence of
<CODE
CLASS="parameter"
>needle</CODE
> in <CODE
CLASS="parameter"
>haystack</CODE
>.
The characters are counted
on the basis of the specified character set <CODE
CLASS="parameter"
>charset</CODE
>.
</P
><P
> If <CODE
CLASS="parameter"
>needle</CODE
> is not found,
<B
CLASS="function"
>iconv_strrpos()</B
> will return <TT
CLASS="constant"
><B
>FALSE</B
></TT
>.
</P
><DIV
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><P
></P
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><B
>警告</B
></TD
></TR
><TR
><TD
ALIGN="LEFT"
><P
>本函数可能返回布尔值
<TT
CLASS="constant"
><B
>FALSE</B
></TT
>，但也可能返回一个与 <TT
CLASS="constant"
><B
>FALSE</B
></TT
> 等值的非布尔值，例如
<TT
CLASS="literal"
>0</TT
> 或者 ""。请参阅<A
HREF="language.types.boolean.html"
>布尔类型</A
>章节以获取更多信息。应使用
<A
HREF="language.operators.comparison.html"
>=== 运算符</A
>来测试本函数的返回值。</P
></TD
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></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN84982"
></A
><H2
>参见</H2
><P
> <P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><A
HREF="function.strrpos.html"
><B
CLASS="function"
>strrpos()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.iconv-strpos.html"
><B
CLASS="function"
>iconv_strpos()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.mb-strrpos.html"
><B
CLASS="function"
>mb_strrpos()</B
></A
></TD
></TR
></TBODY
></TABLE
><P
></P
>
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