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

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>章 31. 魔术引号</TD
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>&#13;   <A
HREF="ref.info.html#ini.magic-quotes-gpc"
>magic_quotes_gpc</A
>
   指令只能在系统级关闭,不能在运行时。也就是说不能用
   <A
HREF="function.ini-set.html"
><B
CLASS="function"
>ini_set()</B
></A
>。
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>例 31-1. 在服务器端关闭魔术引号</B
></P
><P
>&#13;     下面是一个通过 <TT
CLASS="filename"
>php.ini</TT
> 文件把这些选项设为 <TT
CLASS="literal"
>Off</TT
>
     的范例。更多信息请参见本手册的<A
HREF="configuration.changes.html"
>怎样修改配置设定</A
>。
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>; Magic quotes
;

; Magic quotes for incoming GET/POST/Cookie data.
magic_quotes_gpc = Off

; Magic quotes for runtime-generated data, e.g. data from SQL, from exec(), etc.
magic_quotes_runtime = Off

; Use Sybase-style magic quotes (escape ' with '' instead of \').
magic_quotes_sybase = Off</PRE
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>&#13;     如果不能修改服务器端的配置文件,使用
     <TT
CLASS="filename"
>.htaccess</TT
> 也可以。范例如下:
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>php_flag magic_quotes_gpc Off</PRE
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>&#13;   为了能写出移植性较强的代码(可以运行于任何环境),例如不能修改服务器配置的情况,下面的例子可以在运行时关闭
   <A
HREF="ref.info.html#ini.magic-quotes-gpc"
>magic_quotes_gpc</A
>。但是这样做比较低效,适当的修改配置才是更好的办法。
  </P
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>例 31-2. 在运行时关闭魔术引号</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">if (</font><font color="#0000BB">get_magic_quotes_gpc</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;function </font><font color="#0000BB">stripslashes_deep</font><font color="#007700">(</font><font color="#0000BB">$value</font><font color="#007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$value </font><font color="#007700">= </font><font color="#0000BB">is_array</font><font color="#007700">(</font><font color="#0000BB">$value</font><font color="#007700">) ?<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">array_map</font><font color="#007700">(</font><font color="#DD0000">'stripslashes_deep'</font><font color="#007700">, </font><font color="#0000BB">$value</font><font color="#007700">) :<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">stripslashes</font><font color="#007700">(</font><font color="#0000BB">$value</font><font color="#007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return </font><font color="#0000BB">$value</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$_POST </font><font color="#007700">= </font><font color="#0000BB">array_map</font><font color="#007700">(</font><font color="#DD0000">'stripslashes_deep'</font><font color="#007700">, </font><font color="#0000BB">$_POST</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$_GET </font><font color="#007700">= </font><font color="#0000BB">array_map</font><font color="#007700">(</font><font color="#DD0000">'stripslashes_deep'</font><font color="#007700">, </font><font color="#0000BB">$_GET</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$_COOKIE </font><font color="#007700">= </font><font color="#0000BB">array_map</font><font color="#007700">(</font><font color="#DD0000">'stripslashes_deep'</font><font color="#007700">, </font><font color="#0000BB">$_COOKIE</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$_REQUEST </font><font color="#007700">= </font><font color="#0000BB">array_map</font><font color="#007700">(</font><font color="#DD0000">'stripslashes_deep'</font><font color="#007700">, </font><font color="#0000BB">$_REQUEST</font><font color="#007700">);<br />}<br /></font><font color="#0000BB">?&gt;</font>
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