<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >spl_autoload_register</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="Standard PHP Library (SPL) Functions" HREF="ref.spl.html"><LINK REL="PREVIOUS" TITLE="spl_autoload_functions" HREF="function.spl-autoload-functions.html"><LINK REL="NEXT" TITLE="spl_autoload_unregister" HREF="function.spl-autoload-unregister.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.spl-autoload-functions.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.spl-autoload-unregister.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.spl-autoload-register" ></A >spl_autoload_register</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN215205" ></A ><P > (PHP 5 >= 5.1.0RC1)</P >spl_autoload_register -- Register given function as __autoload() implementation</DIV ><DIV CLASS="refsect1" ><A NAME="AEN215208" ></A ><H2 >Description</H2 >bool <B CLASS="methodname" >spl_autoload_register</B > ( [mixed autoload_function] )<BR ></BR ><P > Register a function with the spl provided __autoload stack. If the stack is not yet activated it will be activated. If no parameter is provided the default implementation spl_autoload will be registered. When registering is successful the return value is true and upon failure false is being returned. </P ><P > If your code has an existing __autoload function then this function must explicitly registered on the __autoload stack. This is because spl_autoload_register() will effectively replace the engine cache for the __autoload function by either spl_autoload() or spl_autoload_call(). </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.spl-autoload-functions.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.spl-autoload-unregister.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >spl_autoload_functions</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.spl.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >spl_autoload_unregister</TD ></TR ></TABLE ></DIV ></BODY ></HTML >