<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >apc_load_constants</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="APC 可选 PHP 缓存" HREF="ref.apc.html"><LINK REL="PREVIOUS" TITLE="apc_fetch" HREF="function.apc-fetch.html"><LINK REL="NEXT" TITLE="apc_sma_info" HREF="function.apc-sma-info.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.apc-fetch.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.apc-sma-info.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.apc-load-constants" ></A >apc_load_constants</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN9504" ></A ><P > (PECL)</P >apc_load_constants -- Loads a set of constants from the cache </DIV ><DIV CLASS="refsect1" ><A NAME="AEN9507" ></A ><H2 >说明</H2 >bool <B CLASS="methodname" >apc_load_constants</B > ( string key [, bool case_sensitive] )<BR ></BR ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN9518" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >key</CODE ></DT ><DD ><P > The name of the constant set (that was stored with <A HREF="function.apc-define-constants.html" ><B CLASS="function" >apc_define_constants()</B ></A >) to be retrieved. </P ></DD ><DT ><CODE CLASS="parameter" >case_sensitive</CODE ></DT ><DD ><P > The default behaviour for constants is to be declared case-sensitive; i.e. <TT CLASS="literal" >CONSTANT</TT > and <TT CLASS="literal" >Constant</TT > represent different values. If this parameter evaluates to <TT CLASS="constant" ><B >FALSE</B ></TT > the constants will be declared as case-insensitive symbols. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN9536" ></A ><H2 >返回值</H2 ><P > 如果成功则返回 <TT CLASS="constant" ><B >TRUE</B ></TT >,失败则返回 <TT CLASS="constant" ><B >FALSE</B ></TT >。 </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN9541" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN9544" ></A ><P ><B >例 1. <B CLASS="function" >apc_load_constants()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$constants </font><font color="#007700">= array(<br /> </font><font color="#DD0000">'ONE' </font><font color="#007700">=> </font><font color="#0000BB">1</font><font color="#007700">,<br /> </font><font color="#DD0000">'TWO' </font><font color="#007700">=> </font><font color="#0000BB">2</font><font color="#007700">,<br /> </font><font color="#DD0000">'THREE' </font><font color="#007700">=> </font><font color="#0000BB">3</font><font color="#007700">,<br />);<br /></font><font color="#0000BB">apc_define_constants</font><font color="#007700">(</font><font color="#DD0000">'numbers'</font><font color="#007700">, </font><font color="#0000BB">$constants</font><font color="#007700">);<br /></font><font color="#0000BB">apc_load_constants</font><font color="#007700">(</font><font color="#DD0000">'numbers'</font><font color="#007700">);<br />echo </font><font color="#0000BB">ONE</font><font color="#007700">, </font><font color="#0000BB">TWO</font><font color="#007700">, </font><font color="#0000BB">THREE</font><font color="#007700">;<br /></font><font color="#0000BB">?></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" >123</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN9550" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.apc-define-constants.html" ><B CLASS="function" >apc_define_constants()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.define.html" ><B CLASS="function" >define()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.constant.html" ><B CLASS="function" >constant()</B ></A ></TD ></TR ><TR ><TD > Or <A HREF="language.constants.html" >the PHP constants reference</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.apc-fetch.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.apc-sma-info.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >apc_fetch</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.apc.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >apc_sma_info</TD ></TR ></TABLE ></DIV ></BODY ></HTML >