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 3 &#62;= 3.0.3, PHP 4, PHP 5)</P
>call_user_func&nbsp;--&nbsp;
     Chama uma função de usuário dada pelo primeiro parâmetro
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>Descrição</H2
>mixed <B
CLASS="methodname"
>call_user_func</B
> ( callback function [, mixed parameter [, mixed ...]] )<BR
></BR
><P
>&#13;     Chama uma função de usuário dada pelo parâmtro por
     <CODE
CLASS="parameter"
>function</CODE
>. Tome o seguinte exemplo:
    </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">barber </font><font color="#007700">(</font><font color="#0000BB">$type</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;print </font><font color="#DD0000">"You wanted a $type haircut, no problem"</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">call_user_func </font><font color="#007700">(</font><font color="#DD0000">'barber'</font><font color="#007700">, </font><font color="#DD0000">"mushroom"</font><font color="#007700">);<br /></font><font color="#0000BB">call_user_func </font><font color="#007700">(</font><font color="#DD0000">'barber'</font><font color="#007700">, </font><font color="#DD0000">"shave"</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
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>
    </P
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>&#13;     Métodos de objeto também devem ser chamados estaticamente usando essa função
     passando <TT
CLASS="literal"
>array($objectname, $methodname)</TT
>
     para o parâmetro <CODE
CLASS="parameter"
>function</CODE
>.
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">class </font><font color="#0000BB">myclass </font><font color="#007700">{<br />&nbsp;&nbsp;function </font><font color="#0000BB">say_hello</font><font color="#007700">() {<br />&nbsp;&nbsp;&nbsp;&nbsp;print </font><font color="#DD0000">"Hello!\n"</font><font color="#007700">;<br />&nbsp;&nbsp;}<br />}<br /><br /></font><font color="#0000BB">$classname </font><font color="#007700">= </font><font color="#DD0000">"myclass"</font><font color="#007700">;<br /><br /></font><font color="#0000BB">call_user_func</font><font color="#007700">(array(</font><font color="#0000BB">$classname</font><font color="#007700">,</font><font color="#DD0000">'say_hello'</font><font color="#007700">));<br /></font><font color="#0000BB">?&gt;</font>
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>&#13;     Veja também:
     <A
HREF="function.is-callable.html"
><B
CLASS="function"
>is_callable()</B
></A
>,
     <A
HREF="function.call-user-func-array.html"
><B
CLASS="function"
>call_user_func_array()</B
></A
>,
     <A
HREF="function.call-user-method.html"
><B
CLASS="function"
>call_user_method()</B
></A
>,
     <A
HREF="function.call-user-method-array.html"
><B
CLASS="function"
>call_user_method_array()</B
></A
>.
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