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
>set_exception_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="set_error_handler"
HREF="function.set-error-handler.html"><LINK
REL="NEXT"
TITLE="trigger_error"
HREF="function.trigger-error.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.set-error-handler.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.trigger-error.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.set-exception-handler"
></A
>set_exception_handler</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN47942"
></A
><P
>    (PHP 5)</P
>set_exception_handler&nbsp;--&nbsp;
   Sets a user-defined exception handler function 
  </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN47945"
></A
><H2
>说明</H2
>string <B
CLASS="methodname"
>set_exception_handler</B
> ( callback exception_handler )<BR
></BR
><P
>&#13;   Sets the default exception handler if an exception is not caught within a
   try/catch block. Execution will stop after the
   <CODE
CLASS="parameter"
>exception_handler</CODE
> is called.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN47955"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>exception_handler</CODE
></DT
><DD
><P
>&#13;       Name of the function to be called when an uncaught exception occurs.
       This function must be defined before calling
       <B
CLASS="function"
>set_exception_handler()</B
>. This handler function
       needs to accept one parameter, which will be the exception object that
       was thrown.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN47965"
></A
><H2
>返回值</H2
><P
>&#13;   Returns the name of the previously defined exception handler, or <TT
CLASS="constant"
><B
>NULL</B
></TT
> on error. If
   no previous handler was defined, <TT
CLASS="constant"
><B
>NULL</B
></TT
> is also returned.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN47970"
></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="AEN47973"
></A
><P
><B
>例 1. <B
CLASS="function"
>set_exception_handler()</B
> example</B
></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">exception_handler</font><font color="#007700">(</font><font color="#0000BB">$exception</font><font color="#007700">) {<br />&nbsp;&nbsp;echo </font><font color="#DD0000">"Uncaught exception: " </font><font color="#007700">, </font><font color="#0000BB">$exception</font><font color="#007700">-&gt;</font><font color="#0000BB">getMessage</font><font color="#007700">(), </font><font color="#DD0000">"\n"</font><font color="#007700">;<br />}<br /><br /></font><font color="#0000BB">set_exception_handler</font><font color="#007700">(</font><font color="#DD0000">'exception_handler'</font><font color="#007700">);<br /><br /></font><font color="#0000BB">throw </font><font color="#007700">new </font><font color="#0000BB">Exception</font><font color="#007700">(</font><font color="#DD0000">'Uncaught Exception'</font><font color="#007700">);<br />echo </font><font color="#DD0000">"Not Executed\n"</font><font color="#007700">;<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN47977"
></A
><H2
>参见</H2
><P
>&#13;   <A
HREF="function.restore-exception-handler.html"
><B
CLASS="function"
>restore_exception_handler()</B
></A
>,
   <A
HREF="function.restore-error-handler.html"
><B
CLASS="function"
>restore_error_handler()</B
></A
>,
   <A
HREF="function.error-reporting.html"
><B
CLASS="function"
>error_reporting()</B
></A
>,
   有关 <A
HREF="language.pseudo-types.html#language.types.callback"
>callback</A
> 类型的信息,  和
   <A
HREF="language.exceptions.html"
>PHP 5 Exceptions</A
>.
  </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.set-error-handler.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.trigger-error.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>set_error_handler</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"
>trigger_error</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>