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php-manual-en-4.3.0-2mdk.noarch.rpm

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>func_get_arg</H1
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><P
>    (PHP 4 )</P
>func_get_arg&nbsp;--&nbsp;Return an item from the argument list</DIV
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><H2
>Description</H2
>mixed <B
CLASS="methodname"
>func_get_arg</B
> ( int arg_num)<BR
></BR
><P
>&#13;     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
>&#13;     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 <TT
CLASS="constant"
><B
>FALSE</B
></TT
>.
    </P
><P
>&#13;     <DIV
CLASS="informalexample"
><A
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></A
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><PRE
CLASS="php"
>&#60;?php
function foo() {
     $numargs = func_num_args();
     echo "Number of arguments: $numargs&#60;br&#62;\n";
     if ($numargs &#62;= 2) {
     echo "Second argument is: " . func_get_arg (1) . "&#60;br&#62;\n";
     }
} 

foo (1, 2, 3);
?&#62;</PRE
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    </P
><P
>&#13;     <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
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