Sophie: php-manual-pt_BR-5.2.4-1mdv2008.1 noarch

php-manual-pt_BR-5.2.4-1mdv2008.1.noarch.rpm

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>    (PHP 4, PHP 5)</P
>func_num_args&nbsp;--&nbsp;
     Retorna o número de argumentos passados para a função
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>int <B
CLASS="methodname"
>func_num_args</B
> ( void  )<BR
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>&#13;     Retorna o número de argumentos passados na função atual definida pelo usuário. 
     <B
CLASS="function"
>func_num_args()</B
> irá gerar um erro
     se chamada de fora de uma função definida por usuário.
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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 />&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;echo </font><font color="#DD0000">"Number of arguments: $numargs</font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<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">);&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">// Prints 'Number of arguments: 3'<br /></font><font color="#0000BB">?&gt;</font>
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>&#13;     <B
CLASS="function"
>func_num_args()</B
> deve ser usada em conjunto com
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><B
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>func_get_arg()</B
></A
> e
     <A
HREF="function.func-get-args.html"
><B
CLASS="function"
>func_get_args()</B
></A
> para permitir funções definidas por usuário
     aceitem comprimento de variáveis na lista de argumentos.
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