<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >get_defined_functions</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="Function Handling Functions" HREF="ref.funchand.html"><LINK REL="PREVIOUS" TITLE="function_exists" HREF="function.function-exists.html"><LINK REL="NEXT" TITLE="register_shutdown_function" HREF="function.register-shutdown-function.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.function-exists.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.register-shutdown-function.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.get-defined-functions" ></A >get_defined_functions</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN62960" ></A ><P > (PHP 4 >= 4.0.4, PHP 5)</P >get_defined_functions -- Returns an array of all defined functions</DIV ><DIV CLASS="refsect1" ><A NAME="AEN62963" ></A ><H2 >说明</H2 >array <B CLASS="methodname" >get_defined_functions</B > ( void )<BR ></BR ><P > Gets an array of all defined functions. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN62970" ></A ><H2 >返回值</H2 ><P > Returns an multidimensional array containing a list of all defined functions, both built-in (internal) and user-defined. The internal functions will be accessible via <CODE CLASS="varname" >$arr["internal"]</CODE >, and the user defined ones using <CODE CLASS="varname" >$arr["user"]</CODE > (see example below). </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN62975" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN62978" ></A ><P ><B >例 1. <B CLASS="function" >get_defined_functions()</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">function </font><font color="#0000BB">myrow</font><font color="#007700">(</font><font color="#0000BB">$id</font><font color="#007700">, </font><font color="#0000BB">$data</font><font color="#007700">)<br />{<br /> return </font><font color="#DD0000">"<tr><th>$id</th><td>$data</td></tr></font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br />}<br /><br /></font><font color="#0000BB">$arr </font><font color="#007700">= </font><font color="#0000BB">get_defined_functions</font><font color="#007700">();<br /><br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">$arr</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P >上例的输出类似于:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >Array ( [internal] => Array ( [0] => zend_version [1] => func_num_args [2] => func_get_arg [3] => func_get_args [4] => strlen [5] => strcmp [6] => strncmp ... [750] => bcscale [751] => bccomp ) [user] => Array ( [0] => myrow ) )</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN62984" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.function-exists.html" ><B CLASS="function" >function_exists()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.get-defined-vars.html" ><B CLASS="function" >get_defined_vars()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.get-defined-constants.html" ><B CLASS="function" >get_defined_constants()</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.function-exists.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.register-shutdown-function.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >function_exists</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.funchand.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >register_shutdown_function</TD ></TR ></TABLE ></DIV ></BODY ></HTML >