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

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><H1
><A
NAME="function.stripslashes"
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>stripslashes</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN227657"
></A
><P
>    (PHP 3, PHP 4, PHP 5)</P
>stripslashes&nbsp;--&nbsp;
     Un-quote string quoted with <A
HREF="function.addslashes.html"
><B
CLASS="function"
>addslashes()</B
></A
>
    </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN227661"
></A
><H2
>Description</H2
>string <B
CLASS="methodname"
>stripslashes</B
> ( string str )<BR
></BR
><P
>&#13;     Returns a string with backslashes stripped off.
     (<TT
CLASS="literal"
>\'</TT
> becomes <TT
CLASS="literal"
>'</TT
> and so on.)
     Double backslashes (<TT
CLASS="literal"
>\\</TT
>) are made into a single
     backslash (<TT
CLASS="literal"
>\</TT
>). 
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
      If <A
HREF="ref.sybase.html#ini.magic-quotes-sybase"
>magic_quotes_sybase</A
> is
      on, no backslashes are stripped off but two apostrophes are replaced by
      one instead.
     </P
></BLOCKQUOTE
></DIV
><P
>&#13;     An example use of <B
CLASS="function"
>stripslashes()</B
> is when the PHP
     directive <A
HREF="ref.info.html#ini.magic-quotes-gpc"
>magic_quotes_gpc</A
>
     is <TT
CLASS="literal"
>on</TT
> (it's on by default), and you aren't inserting
     this data into a place (such as a database) that requires escaping.
     For example, if you're simply outputting data straight from an HTML
     form.
    </P
><P
>&#13;     <TABLE
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><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN227682"
></A
><P
><B
>例 1. A <B
CLASS="function"
>stripslashes()</B
> example</B
></P
><TABLE
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><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$str </font><font color="#007700">= </font><font color="#DD0000">"Is your name O\'reilly?"</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// Outputs: Is your name O'reilly?<br /></font><font color="#007700">echo </font><font color="#0000BB">stripslashes</font><font color="#007700">(</font><font color="#0000BB">$str</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
      <B
CLASS="function"
>stripslashes()</B
> is not recursive. If you want to apply
      this function to a mutli-dimensional array, you need to use a recursive function.
     </P
></BLOCKQUOTE
></DIV
><P
>&#13;     <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN227690"
></A
><P
><B
>例 2. Using <B
CLASS="function"
>stripslashes()</B
> on an array</B
></P
><TABLE
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><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">function </font><font color="#0000BB">stripslashes_deep</font><font color="#007700">(</font><font color="#0000BB">$value</font><font color="#007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$value </font><font color="#007700">= </font><font color="#0000BB">is_array</font><font color="#007700">(</font><font color="#0000BB">$value</font><font color="#007700">) ?<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">array_map</font><font color="#007700">(</font><font color="#DD0000">'stripslashes_deep'</font><font color="#007700">, </font><font color="#0000BB">$value</font><font color="#007700">) :<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">stripslashes</font><font color="#007700">(</font><font color="#0000BB">$value</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;return </font><font color="#0000BB">$value</font><font color="#007700">;<br />}<br /><br /></font><font color="#FF8000">// Example<br /></font><font color="#0000BB">$array </font><font color="#007700">= array(</font><font color="#DD0000">"f\\'oo"</font><font color="#007700">, </font><font color="#DD0000">"b\\'ar"</font><font color="#007700">, array(</font><font color="#DD0000">"fo\\'o"</font><font color="#007700">, </font><font color="#DD0000">"b\\'ar"</font><font color="#007700">));<br /></font><font color="#0000BB">$array </font><font color="#007700">= </font><font color="#0000BB">stripslashes_deep</font><font color="#007700">(</font><font color="#0000BB">$array</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Output<br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">$array</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
><P
>上例将输出：</P
><TABLE
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><PRE
CLASS="screen"
>Array
(
    [0] =&#62; f'oo
    [1] =&#62; b'ar
    [2] =&#62; Array
        (
            [0] =&#62; fo'o
            [1] =&#62; b'ar
        )

)</PRE
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>
    </P
><P
>&#13;     For more information about "magic quotes", see <A
HREF="function.get-magic-quotes-gpc.html"
><B
CLASS="function"
>get_magic_quotes_gpc()</B
></A
>.
    </P
><P
>&#13;     See also <A
HREF="function.addslashes.html"
><B
CLASS="function"
>addslashes()</B
></A
> and
     <A
HREF="function.get-magic-quotes-gpc.html"
><B
CLASS="function"
>get_magic_quotes_gpc()</B
></A
>.
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