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

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>restore_error_handler</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
REL="HOME"
TITLE="PHP 手册"
HREF="index.html"><LINK
REL="UP"
TITLE="Error Handling and Logging Functions"
HREF="ref.errorfunc.html"><LINK
REL="PREVIOUS"
TITLE="error_reporting"
HREF="function.error-reporting.html"><LINK
REL="NEXT"
TITLE="restore_exception_handler"
HREF="function.restore-exception-handler.html"><META
HTTP-EQUIV="Content-type"
CONTENT="text/html; charset=UTF-8"></HEAD
><BODY
CLASS="refentry"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>PHP 手册</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="function.error-reporting.html"
ACCESSKEY="P"
>上一页</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="function.restore-exception-handler.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.restore-error-handler"
></A
>restore_error_handler</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN47709"
></A
><P
>    (PHP 4 &#62;= 4.0.1, PHP 5)</P
>restore_error_handler&nbsp;--&nbsp;Restores the previous error handler function</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN47712"
></A
><H2
>说明</H2
>bool <B
CLASS="methodname"
>restore_error_handler</B
> ( void  )<BR
></BR
><P
>&#13;   Used after changing the error handler function using
   <A
HREF="function.set-error-handler.html"
><B
CLASS="function"
>set_error_handler()</B
></A
>, to revert to the previous error
   handler (which could be the built-in or a user defined function). 
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN47720"
></A
><H2
>返回值</H2
><P
>&#13;   This function always returns <TT
CLASS="constant"
><B
>TRUE</B
></TT
>.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN47724"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN47727"
></A
><P
><B
>例 1. <B
CLASS="function"
>restore_error_handler()</B
> example</B
></P
><P
>&#13;     Decide if <A
HREF="function.unserialize.html"
><B
CLASS="function"
>unserialize()</B
></A
> caused an error, then
     restore the original error handler.
    </P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">function </font><font color="#0000BB">unserialize_handler</font><font color="#007700">(</font><font color="#0000BB">$errno</font><font color="#007700">, </font><font color="#0000BB">$errstr</font><font color="#007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"Invalid serialized value.\n"</font><font color="#007700">;<br />}<br /><br /></font><font color="#0000BB">$serialized </font><font color="#007700">= </font><font color="#DD0000">'foo'</font><font color="#007700">;<br /></font><font color="#0000BB">set_error_handler</font><font color="#007700">(</font><font color="#DD0000">'unserialize_handler'</font><font color="#007700">);<br /></font><font color="#0000BB">$original </font><font color="#007700">= </font><font color="#0000BB">unserialize</font><font color="#007700">(</font><font color="#0000BB">$serialized</font><font color="#007700">);<br /></font><font color="#0000BB">restore_error_handler</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"
>Invalid serialized value.</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN47735"
></A
><H2
>注释</H2
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
    Calling <B
CLASS="function"
>restore_error_handler()</B
> from the
    <TT
CLASS="literal"
>error_handler</TT
> function is ignored.
   </P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN47741"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><A
HREF="function.error-reporting.html"
><B
CLASS="function"
>error_reporting()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.set-error-handler.html"
><B
CLASS="function"
>set_error_handler()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.restore-exception-handler.html"
><B
CLASS="function"
>restore_exception_handler()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.trigger-error.html"
><B
CLASS="function"
>trigger_error()</B
></A
></TD
></TR
></TBODY
></TABLE
><P
></P
>
  </P
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="function.error-reporting.html"
ACCESSKEY="P"
>上一页</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
ACCESSKEY="H"
>起始页</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="function.restore-exception-handler.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>error_reporting</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ref.errorfunc.html"
ACCESSKEY="U"
>上一级</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>restore_exception_handler</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>