Sophie: php-manual-ro-0:20051028-1 noarch

php-manual-ro-20051028-1.noarch.rpm

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>func_get_arg</H1
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><P
>    (PHP 4 , PHP 5)</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
     <VAR
CLASS="parameter"
>arg_num</VAR
>'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 <VAR
CLASS="parameter"
>arg_num</VAR
> 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
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>&#13;     <DIV
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">function </font><font color="#0000BB">foo</font><font color="#007700">() <br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$numargs </font><font color="#007700">= </font><font color="#0000BB">func_num_args</font><font color="#007700">();<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"Number of arguments: $numargs&lt;br /&gt;</font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if (</font><font color="#0000BB">$numargs </font><font color="#007700">&gt;= </font><font color="#0000BB">2</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"Second argument is: " </font><font color="#007700">. </font><font color="#0000BB">func_get_arg</font><font color="#007700">(</font><font color="#0000BB">1</font><font color="#007700">) . </font><font color="#DD0000">"&lt;br /&gt;\n"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />} <br /><br /></font><font color="#0000BB">foo </font><font color="#007700">(</font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">, </font><font color="#0000BB">3</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
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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.
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