<HTML ><HEAD ><TITLE >func_get_arg</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.44"><LINK REL="HOME" TITLE="PHP Manual" HREF="manual.html"><LINK REL="UP" TITLE="Miscellaneous functions" HREF="ref.misc.html"><LINK REL="PREVIOUS" TITLE="exit" HREF="function.exit.html"><LINK REL="NEXT" TITLE="func_get_args" HREF="function.func-get-args.html"></HEAD ><BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.exit.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.func-get-args.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.func-get-arg" >func_get_arg</A ></H1 ><DIV CLASS="refnamediv" ><A NAME="AEN17345" ></A >func_get_arg -- Return an item from the argument list.</DIV ><DIV CLASS="refsect1" ><A NAME="AEN17348" ></A ><H2 >Description</H2 ><DIV CLASS="funcsynopsis" ><P ></P ><CODE CLASS="FUNCDEF" >int func_get_arg</CODE >(int arg_num);<P ></P ></DIV ><P > Returns the argument which is at the <TT CLASS="parameter" ><I >arg_num</I ></TT >'th offset into a user-defined function's argument list. Function arguments are counted starting from zero. <B CLASS="function" >func_get_arg()</B > will generate a warning if called from outside of a function definition. </P ><P > If <TT CLASS="parameter" ><I >arg_num</I ></TT > is greater than the number of arguments actually passed, a warning will be generated and <B CLASS="function" >func_get_arg()</B > will return FALSE. </P ><P > <DIV CLASS="informalexample" ><P ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><PRE CLASS="programlisting" > 1 2 <?php 3 function foo() { 4 $numargs = func_num_args(); 5 echo "Number of arguments: $numargs<br>\n"; 6 if ($numargs >= 2) { 7 echo "Second argument is: " . func_get_arg (1) . "<br>\n"; 8 } 9 } 10 11 foo (1, 2, 3); 12 ?> 13 </PRE ></TD ></TR ></TABLE ><P ></P ></DIV > </P ><P > <B CLASS="function" >func_get_arg()</B > may be used in conjunction with <A HREF="function.func-num-args.html" ><B CLASS="function" >func_num_args()</B ></A > and <A HREF="function.func-get-args.html" ><B CLASS="function" >func_get_args()</B ></A > to allow user-defined functions to accept variable-length argument lists. </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >Note: </B > This function was added in PHP 4. </P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.exit.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="manual.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.func-get-args.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >exit</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.misc.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >func_get_args</TD ></TR ></TABLE ></DIV ></BODY ></HTML >