Sophie: php-manual-zh-5.2.4-1mdv2008.1 noarch

php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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>base64_encode</H1
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>    (PHP 3, PHP 4, PHP 5)</P
>base64_encode&nbsp;--&nbsp;使用 MIME base64 对数据进行编码</DIV
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>说明</H2
>string <B
CLASS="methodname"
>base64_encode</B
> ( string data )<BR
></BR
><P
>&#13;   <B
CLASS="function"
>base64_encode()</B
> returns
   使用 base64 对 <CODE
CLASS="parameter"
>data</CODE
> 进行编码。设计此种编码是为了使二进制数据可以通过非纯
   8-bit 的传输层传输，例如电子邮件的主体。
  </P
><P
>&#13;   Base64-encoded 数据要比原始数据多占用 33% 左右的空间。
  </P
><P
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>例 1. <B
CLASS="function"
>base64_encode()</B
> 示例</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />&nbsp;&nbsp;$str </font><font color="#007700">= </font><font color="#DD0000">'This is an encoded string'</font><font color="#007700">;<br />&nbsp;&nbsp;echo </font><font color="#0000BB">base64_encode</font><font color="#007700">(</font><font color="#0000BB">$str</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>&#13;     此示例将显示：
    </P
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>
  </P
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>&#13;   参见
   <A
HREF="function.base64-decode.html"
><B
CLASS="function"
>base64_decode()</B
></A
>、<A
HREF="function.chunk-split.html"
><B
CLASS="function"
>chunk_split()</B
></A
>，<A
HREF="function.convert-uuencode.html"
><B
CLASS="function"
>convert_uuencode()</B
></A
>
   和 <A
HREF="http://www.faqs.org/rfcs/rfc2045"
TARGET="_top"
>RFC 2045</A
> 6.8 章节。
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