<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ini_set</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="PHP Options&Information" HREF="ref.info.html"><LINK REL="PREVIOUS" TITLE="ini_restore" HREF="function.ini-restore.html"><LINK REL="NEXT" TITLE="main" HREF="function.main.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.ini-restore.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.main.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ini-set" ></A >ini_set</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN181640" ></A ><P > (PHP 4, PHP 5)</P >ini_set -- Sets the value of a configuration option</DIV ><DIV CLASS="refsect1" ><A NAME="AEN181643" ></A ><H2 >说明</H2 >string <B CLASS="methodname" >ini_set</B > ( string varname, string newvalue )<BR ></BR ><P > Sets the value of the given configuration option. The configuration option will keep this new value during the script's execution, and will be restored at the script's ending. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181655" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >varname</CODE ></DT ><DD ><P > </P ><P > Not all the available options can be changed using <B CLASS="function" >ini_set()</B >. There is a list of all available options in the <A HREF="ini.html#ini.list" >appendix</A >. </P ></DD ><DT ><CODE CLASS="parameter" >newvalue</CODE ></DT ><DD ><P > The new value for the option. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181672" ></A ><H2 >返回值</H2 ><P > Returns the old value on success, <TT CLASS="constant" ><B >FALSE</B ></TT > on failure. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN181676" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.get-cfg-var.html" ><B CLASS="function" >get_cfg_var()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.ini-get.html" ><B CLASS="function" >ini_get()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.ini-get-all.html" ><B CLASS="function" >ini_get_all()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.ini-restore.html" ><B CLASS="function" >ini_restore()</B ></A ></TD ></TR ><TR ><TD > <A HREF="configuration.changes.html" >How to change configuration settings</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.ini-restore.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.main.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ini_restore</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.info.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >main</TD ></TR ></TABLE ></DIV ></BODY ></HTML >