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>array_walk_recursive</H1
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NAME="AEN12082"
></A
><P
>    (PHP 5)</P
>array_walk_recursive&nbsp;--&nbsp;Apply a user function recursively to every member of an array</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN12085"
></A
><H2
>Description</H2
>bool <B
CLASS="methodname"
>array_walk_recursive</B
> ( array &#38;input, callback funcname [, mixed userdata] )<BR
></BR
><P
>&#13;   Applies the user-defined function <CODE
CLASS="parameter"
>funcname</CODE
> to each
   element of the <CODE
CLASS="parameter"
>input</CODE
> array. This function will recur
   into deeper arrays. Typically,  <CODE
CLASS="parameter"
>funcname</CODE
> takes on two
   parameters. The <CODE
CLASS="parameter"
>input</CODE
> parameter's value being the first, and
   the key/index second. If the optional <CODE
CLASS="parameter"
>userdata</CODE
>
   parameter is supplied, it will be passed as the third parameter to
   the callback <CODE
CLASS="parameter"
>funcname</CODE
>.
  </P
><P
>&#13;   Retorna <TT
CLASS="constant"
><B
>TRUE</B
></TT
> em caso de sucesso ou <TT
CLASS="constant"
><B
>FALSE</B
></TT
> em falhas.
  </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Nota: </B
>
    If <CODE
CLASS="parameter"
>funcname</CODE
> needs to be working with the
    actual values of the array, specify the first parameter of
    <CODE
CLASS="parameter"
>funcname</CODE
> as a
    <A
HREF="language.references.html"
>reference</A
>. Then,
    any changes made to those elements will be made in the
    original array itself.
   </P
></BLOCKQUOTE
></DIV
><P
>&#13;   <TABLE
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><A
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></A
><P
><B
>Exemplo 1. <B
CLASS="function"
>array_walk_recursive()</B
> example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$sweet </font><font color="#007700">= array(</font><font color="#DD0000">'a' </font><font color="#007700">=&gt; </font><font color="#DD0000">'apple'</font><font color="#007700">, </font><font color="#DD0000">'b' </font><font color="#007700">=&gt; </font><font color="#DD0000">'banana'</font><font color="#007700">);<br /></font><font color="#0000BB">$fruits </font><font color="#007700">= array(</font><font color="#DD0000">'sweet' </font><font color="#007700">=&gt; </font><font color="#0000BB">$sweet</font><font color="#007700">, </font><font color="#DD0000">'sour' </font><font color="#007700">=&gt; </font><font color="#DD0000">'lemon'</font><font color="#007700">);<br /><br />function </font><font color="#0000BB">test_print</font><font color="#007700">(</font><font color="#0000BB">$item</font><font color="#007700">, </font><font color="#0000BB">$key</font><font color="#007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"$key holds $item</font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br />}<br /><br /></font><font color="#0000BB">array_walk_recursive</font><font color="#007700">(</font><font color="#0000BB">$fruits</font><font color="#007700">, </font><font color="#DD0000">'test_print'</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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><P
>O exemplo acima irá imprimir:</P
><TABLE
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CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
a holds apple<br />b holds banana<br />sour holds lemon</font>
</code></TD
></TR
></TABLE
><P
>&#13;     You may notice that the key 'sweet' is never displayed. Any key that holds an
     <A
HREF="language.types.array.html"
><B
CLASS="type"
>array</B
></A
> will not be passed to the function.
    </P
></DIV
></TD
></TR
></TABLE
>
  </P
><P
>&#13;   See also <A
HREF="function.array-walk.html"
><B
CLASS="function"
>array_walk()</B
></A
>, and
   informações sobre o tipo <A
HREF="language.pseudo-types.html#language.types.callback"
>callback</A
>.
  </P
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