<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >classkit_method_copy</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="Classkit 函数" HREF="ref.classkit.html"><LINK REL="PREVIOUS" TITLE="classkit_method_add" HREF="function.classkit-method-add.html"><LINK REL="NEXT" TITLE="classkit_method_redefine" HREF="function.classkit-method-redefine.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.classkit-method-add.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.classkit-method-redefine.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.classkit-method-copy" ></A >classkit_method_copy</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN17426" ></A ><P > (PECL)</P >classkit_method_copy -- Copies a method from class to another</DIV ><DIV CLASS="refsect1" ><A NAME="AEN17429" ></A ><H2 >说明</H2 >bool <B CLASS="methodname" >classkit_method_copy</B > ( string dClass, string dMethod, string sClass [, string sMethod] )<BR ></BR ><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 >本函数是<SPAN CLASS="emphasis" ><I CLASS="emphasis" >实验性</I ></SPAN >的。本函数的行为,包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。</P ></TD ></TR ></TABLE ></DIV ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN17449" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >dClass</CODE ></DT ><DD ><P > Destination class for copied method </P ></DD ><DT ><CODE CLASS="parameter" >dMethod</CODE ></DT ><DD ><P > Destination method name </P ></DD ><DT ><CODE CLASS="parameter" >sClass</CODE ></DT ><DD ><P > Source class of the method to copy </P ></DD ><DT ><CODE CLASS="parameter" >sMethod</CODE ></DT ><DD ><P > Name of the method to copy from the source class. If this parameter is omitted, the value of <CODE CLASS="parameter" >dMethod</CODE > is assumed. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN17474" ></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="AEN17479" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN17482" ></A ><P ><B >例 1. <B CLASS="function" >classkit_method_copy()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#007700">class </font><font color="#0000BB">Foo </font><font color="#007700">{<br /> function </font><font color="#0000BB">example</font><font color="#007700">() {<br /> return </font><font color="#DD0000">"foo!\n"</font><font color="#007700">;<br /> }<br />}<br /><br />class </font><font color="#0000BB">Bar </font><font color="#007700">{<br /> </font><font color="#FF8000">// initially, no methods<br /></font><font color="#007700">}<br /><br /></font><font color="#FF8000">// copy the example() method from the Foo class to the Bar class, as baz()<br /></font><font color="#0000BB">classkit_method_copy</font><font color="#007700">(</font><font color="#DD0000">'Bar'</font><font color="#007700">, </font><font color="#DD0000">'baz'</font><font color="#007700">, </font><font color="#DD0000">'Foo'</font><font color="#007700">, </font><font color="#DD0000">'example'</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// output copied function<br /></font><font color="#007700">echo </font><font color="#0000BB">Bar</font><font color="#007700">::</font><font color="#0000BB">baz</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" >foo!</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN17488" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.classkit-method-add.html" ><B CLASS="function" >classkit_method_add()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.classkit-method-redefine.html" ><B CLASS="function" >classkit_method_redefine()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.classkit-method-remove.html" ><B CLASS="function" >classkit_method_remove()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.classkit-method-rename.html" ><B CLASS="function" >classkit_method_rename()</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.classkit-method-add.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.classkit-method-redefine.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >classkit_method_add</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.classkit.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >classkit_method_redefine</TD ></TR ></TABLE ></DIV ></BODY ></HTML >