<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >error_reporting</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_log" HREF="function.error-log.html"><LINK REL="NEXT" TITLE="restore_error_handler" HREF="function.restore-error-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-log.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-error-handler.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.error-reporting" ></A >error_reporting</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN47567" ></A ><P > (PHP 3, PHP 4, PHP 5)</P >error_reporting -- Sets which PHP errors are reported</DIV ><DIV CLASS="refsect1" ><A NAME="AEN47570" ></A ><H2 >说明</H2 >int <B CLASS="methodname" >error_reporting</B > ( [int level] )<BR ></BR ><P > The <B CLASS="function" >error_reporting()</B > function sets the <A HREF="ref.errorfunc.html#ini.error-reporting" >error_reporting</A > directive at runtime. PHP has many levels of errors, using this function sets that level for the duration (runtime) of your script. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN47581" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >level</CODE ></DT ><DD ><P > The new <A HREF="ref.errorfunc.html#ini.error-reporting" >error_reporting</A > level. It takes on either a bitmask, or named constants. Using named constants is strongly encouraged to ensure compatibility for future versions. As error levels are added, the range of integers increases, so older integer-based error levels will not always behave as expected. </P ><P > The available error level constants are listed below. The actual meanings of these error levels are described in the <A HREF="ref.errorfunc.html#errorfunc.constants" >predefined constants</A >. <DIV CLASS="table" ><A NAME="AEN47593" ></A ><P ><B >表 1. <B CLASS="function" >error_reporting()</B > level constants and bit values</B ></P ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><THEAD ><TR ><TH >value</TH ><TH >constant</TH ></TR ></THEAD ><TBODY ><TR ><TD >1</TD ><TD > <A HREF="ref.errorfunc.html#e-error" >E_ERROR</A > </TD ></TR ><TR ><TD >2</TD ><TD > <A HREF="ref.errorfunc.html#e-warning" >E_WARNING</A > </TD ></TR ><TR ><TD >4</TD ><TD > <A HREF="ref.errorfunc.html#e-parse" >E_PARSE</A > </TD ></TR ><TR ><TD >8</TD ><TD > <A HREF="ref.errorfunc.html#e-notice" >E_NOTICE</A > </TD ></TR ><TR ><TD >16</TD ><TD > <A HREF="ref.errorfunc.html#e-core-error" >E_CORE_ERROR</A > </TD ></TR ><TR ><TD >32</TD ><TD > <A HREF="ref.errorfunc.html#e-core-warning" >E_CORE_WARNING</A > </TD ></TR ><TR ><TD >64</TD ><TD > <A HREF="ref.errorfunc.html#e-compile-error" >E_COMPILE_ERROR</A > </TD ></TR ><TR ><TD >128</TD ><TD > <A HREF="ref.errorfunc.html#e-compile-warning" >E_COMPILE_WARNING</A > </TD ></TR ><TR ><TD >256</TD ><TD > <A HREF="ref.errorfunc.html#e-user-error" >E_USER_ERROR</A > </TD ></TR ><TR ><TD >512</TD ><TD > <A HREF="ref.errorfunc.html#e-user-warning" >E_USER_WARNING</A > </TD ></TR ><TR ><TD >1024</TD ><TD > <A HREF="ref.errorfunc.html#e-user-error" >E_USER_NOTICE</A > </TD ></TR ><TR ><TD >6143</TD ><TD > <A HREF="ref.errorfunc.html#e-all" >E_ALL</A > </TD ></TR ><TR ><TD >2048</TD ><TD > <A HREF="ref.errorfunc.html#e-strict" >E_STRICT</A > </TD ></TR ><TR ><TD >4096</TD ><TD > <A HREF="ref.errorfunc.html#e-recoverable-error" >E_RECOVERABLE_ERROR</A > </TD ></TR ></TBODY ></TABLE ></DIV > </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN47658" ></A ><H2 >返回值</H2 ><P > Returns the old <A HREF="ref.errorfunc.html#ini.error-reporting" >error_reporting</A > level. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN47662" ></A ><H2 >更新日志</H2 ><P > <DIV CLASS="informaltable" ><P ></P ><A NAME="AEN47665" ></A ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><THEAD ><TR ><TH >版本</TH ><TH >说明</TH ></TR ></THEAD ><TBODY ><TR ><TD >5.0.0</TD ><TD ><TT CLASS="constant" ><B >E_STRICT</B ></TT > introduced (not part of <TT CLASS="constant" ><B >E_ALL</B ></TT >).</TD ></TR ><TR ><TD >5.2.0</TD ><TD ><TT CLASS="constant" ><B >E_RECOVERABLE_ERROR</B ></TT > introduced.</TD ></TR ><TR ><TD >6</TD ><TD ><TT CLASS="constant" ><B >E_STRICT</B ></TT > became part of <TT CLASS="constant" ><B >E_ALL</B ></TT >.</TD ></TR ></TBODY ></TABLE ><P ></P ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN47686" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN47689" ></A ><P ><B >例 1. <B CLASS="function" >error_reporting()</B > examples</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /><br /></font><font color="#FF8000">// Turn off all error reporting<br /></font><font color="#0000BB">error_reporting</font><font color="#007700">(</font><font color="#0000BB">0</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Report simple running errors<br /></font><font color="#0000BB">error_reporting</font><font color="#007700">(</font><font color="#0000BB">E_ERROR </font><font color="#007700">| </font><font color="#0000BB">E_WARNING </font><font color="#007700">| </font><font color="#0000BB">E_PARSE</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Reporting E_NOTICE can be good too (to report uninitialized<br />// variables or catch variable name misspellings ...)<br /></font><font color="#0000BB">error_reporting</font><font color="#007700">(</font><font color="#0000BB">E_ERROR </font><font color="#007700">| </font><font color="#0000BB">E_WARNING </font><font color="#007700">| </font><font color="#0000BB">E_PARSE </font><font color="#007700">| </font><font color="#0000BB">E_NOTICE</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Report all errors except E_NOTICE<br />// This is the default value set in php.ini<br /></font><font color="#0000BB">error_reporting</font><font color="#007700">(</font><font color="#0000BB">E_ALL </font><font color="#007700">^ </font><font color="#0000BB">E_NOTICE</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Report all PHP errors (bitwise 63 may be used in PHP 3)<br /></font><font color="#0000BB">error_reporting</font><font color="#007700">(</font><font color="#0000BB">E_ALL</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Same as error_reporting(E_ALL);<br /></font><font color="#0000BB">ini_set</font><font color="#007700">(</font><font color="#DD0000">'error_reporting'</font><font color="#007700">, </font><font color="#0000BB">E_ALL</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN47693" ></A ><H2 >注释</H2 ><DIV CLASS="warning" ><P ></P ><TABLE CLASS="warning" BORDER="1" WIDTH="100%" ><TR ><TD ALIGN="CENTER" ><B >警告</B ></TD ></TR ><TR ><TD ALIGN="LEFT" ><P > Most of <TT CLASS="constant" ><B >E_STRICT</B ></TT > errors are evaluated at the compile time thus such errors are not reported in the file where <A HREF="ref.errorfunc.html#ini.error-reporting" >error_reporting</A > is enhanced to include <TT CLASS="constant" ><B >E_STRICT</B ></TT > errors (and vice versa). </P ></TD ></TR ></TABLE ></DIV ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN47700" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD >The <A HREF="ref.errorfunc.html#ini.display-errors" >display_errors</A > directive</TD ></TR ><TR ><TD ><A HREF="function.ini-set.html" ><B CLASS="function" >ini_set()</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-log.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-error-handler.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >error_log</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_error_handler</TD ></TR ></TABLE ></DIV ></BODY ></HTML >