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

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>rawurlencode</H1
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><P
>    (PHP 3, PHP 4, PHP 5)</P
>rawurlencode&nbsp;--&nbsp;按照 RFC 1738 对 URL 进行编码</DIV
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><H2
>说明</H2
>string <B
CLASS="methodname"
>rawurlencode</B
> ( string str )<BR
></BR
><P
>&#13;   返回字符串,此字符串中除了
   <TT
CLASS="literal"
>-_.</TT
> 
   之外的所有非字母数字字符都将被替换成百分号(<TT
CLASS="literal"
>%</TT
>)后跟两位十六进制数。这是在
   RFC 1738 中描述的编码,是为了保护原义字符以免其被解释为特殊的 
   URL 定界符,同时保护 URL 
   格式以免其被传输媒体(像一些邮件系统)使用字符转换时弄乱。例如,如果你想在
   FTP 的 URL 中包含密码:
  </P
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><B
>例 1. <B
CLASS="function"
>rawurlencode()</B
> 示例 1</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">echo </font><font color="#DD0000">'&lt;a href="ftp://user:'</font><font color="#007700">, </font><font color="#0000BB">rawurlencode</font><font color="#007700">(</font><font color="#DD0000">'foo @+%/'</font><font color="#007700">),<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#DD0000">'@ftp.example.com/x.txt"&gt;'</font><font color="#007700">;<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
><P
>&#13;   或者,如果你想通过 URL 的 PATH_INFO 构成部分去传递信息:
  </P
><P
>&#13;   <TABLE
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><B
>例 2. <B
CLASS="function"
>rawurlencode()</B
> 示例 2</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">echo </font><font color="#DD0000">'&lt;a href="http://example.com/department_list_script/'</font><font color="#007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">rawurlencode</font><font color="#007700">(</font><font color="#DD0000">'sales and marketing/Miami'</font><font color="#007700">), </font><font color="#DD0000">'"&gt;'</font><font color="#007700">;<br /></font><font color="#0000BB">?&gt;</font>
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  </P
><P
>&#13;   参见 <A
HREF="function.rawurldecode.html"
><B
CLASS="function"
>rawurldecode()</B
></A
>、<A
HREF="function.urldecode.html"
><B
CLASS="function"
>urldecode()</B
></A
>、<A
HREF="function.urlencode.html"
><B
CLASS="function"
>urlencode()</B
></A
>
   与 <A
HREF="http://www.faqs.org/rfcs/rfc1738"
TARGET="_top"
>RFC 1738</A
>。
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