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

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

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><H1
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NAME="function.runkit-function-redefine"
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>runkit_function_redefine</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN199112"
></A
><P
>    (PECL)</P
>runkit_function_redefine&nbsp;--&nbsp;
   Replace a function definition with a new implementation
  </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN199115"
></A
><H2
>说明</H2
>bool <B
CLASS="methodname"
>runkit_function_redefine</B
> ( string funcname, string arglist, string code )<BR
></BR
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>默认情况下，只有用户空间的函数可以被删除，重命名，或者修改。要覆盖内部函数，必须激活全系统范围的
php.ini 文件中的 <TT
CLASS="literal"
>runkit.internal_override</TT
> 选项。</P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN199132"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>funcname</CODE
></DT
><DD
><P
>&#13;       Name of function to redefine
      </P
></DD
><DT
><CODE
CLASS="parameter"
>arglist</CODE
></DT
><DD
><P
>&#13;       New list of arguments to be accepted by function
      </P
></DD
><DT
><CODE
CLASS="parameter"
>code</CODE
></DT
><DD
><P
>&#13;       New code implementation
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN199151"
></A
><H2
>返回值</H2
><P
>&#13;   如果成功则返回 <TT
CLASS="constant"
><B
>TRUE</B
></TT
>，失败则返回 <TT
CLASS="constant"
><B
>FALSE</B
></TT
>。
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN199156"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN199159"
></A
><P
><B
>例 1. A <B
CLASS="function"
>runkit_function_redefine()</B
> example</B
></P
><TABLE
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><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">function </font><font color="#0000BB">testme</font><font color="#007700">() {<br />&nbsp;&nbsp;echo </font><font color="#DD0000">"Original Testme Implementation\n"</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">testme</font><font color="#007700">();<br /></font><font color="#0000BB">runkit_function_redefine</font><font color="#007700">(</font><font color="#DD0000">'testme'</font><font color="#007700">,</font><font color="#DD0000">''</font><font color="#007700">,</font><font color="#DD0000">'echo "New Testme Implementation\n";'</font><font color="#007700">);<br /></font><font color="#0000BB">testme</font><font color="#007700">();<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
><P
>上例将输出：</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="screen"
>Original Testme Implementation
New Testme Implementation</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN199165"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><A
HREF="function.runkit-function-add.html"
><B
CLASS="function"
>runkit_function_add()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.runkit-function-copy.html"
><B
CLASS="function"
>runkit_function_copy()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.runkit-function-rename.html"
><B
CLASS="function"
>runkit_function_rename()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.runkit-function-remove.html"
><B
CLASS="function"
>runkit_function_remove()</B
></A
></TD
></TR
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><P
></P
>
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