Sophie

Sophie

distrib > Mandriva > 2008.1 > x86_64 > by-pkgid > 05cd670d8a02b2b4a0ffb1756f2e8308 > files > 10247

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
>trigger_error</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_exception_handler"
HREF="function.set-exception-handler.html"><LINK
REL="NEXT"
TITLE="user_error"
HREF="function.user-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-exception-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.user-error.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.trigger-error"
></A
>trigger_error</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN47986"
></A
><P
>    (PHP 4 &#62;= 4.0.1, PHP 5)</P
>trigger_error&nbsp;--&nbsp;Generates a user-level error/warning/notice message</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN47989"
></A
><H2
>说明</H2
>bool <B
CLASS="methodname"
>trigger_error</B
> ( string error_msg [, int error_type] )<BR
></BR
><P
>&#13;   Used to trigger a user error condition, it can be used by in conjunction
   with the built-in error handler, or with a user defined function that has
   been set as the new error handler
   (<A
HREF="function.set-error-handler.html"
><B
CLASS="function"
>set_error_handler()</B
></A
>). 
  </P
><P
>&#13;   This function is useful when you need to generate a particular response to
   an exception at runtime.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN48003"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>error_msg</CODE
></DT
><DD
><P
>&#13;       The designated error message for this error. It's limited to 1024 
       characters in length. Any additional characters beyond 1024 will be 
       truncated.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>error_type</CODE
></DT
><DD
><P
>&#13;       The designated error type for this error. It only works with the E_USER
       family of constants, and will default to <TT
CLASS="constant"
><B
>E_USER_NOTICE</B
></TT
>.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN48018"
></A
><H2
>返回值</H2
><P
>&#13;   This function returns <TT
CLASS="constant"
><B
>FALSE</B
></TT
> if wrong <CODE
CLASS="parameter"
>error_type</CODE
> is
   specified, <TT
CLASS="constant"
><B
>TRUE</B
></TT
> otherwise.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN48024"
></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="AEN48027"
></A
><P
><B
>例 1. <B
CLASS="function"
>trigger_error()</B
> example</B
></P
><P
>&#13;     See <A
HREF="function.set-error-handler.html"
><B
CLASS="function"
>set_error_handler()</B
></A
> for a more extensive example.
    </P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">if (</font><font color="#0000BB">assert</font><font color="#007700">(</font><font color="#0000BB">$divisor </font><font color="#007700">== </font><font color="#0000BB">0</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">trigger_error</font><font color="#007700">(</font><font color="#DD0000">"Cannot divide by zero"</font><font color="#007700">, </font><font color="#0000BB">E_USER_ERROR</font><font color="#007700">);<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN48033"
></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-error-handler.html"
><B
CLASS="function"
>restore_error_handler()</B
></A
></TD
></TR
><TR
><TD
>The <A
HREF="ref.errorfunc.html#errorfunc.constants"
>error level constants</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.set-exception-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.user-error.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>set_exception_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"
>user_error</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>