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

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>array_change_key_case</H1
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><P
>    (PHP 4 &#62;= 4.2.0, PHP 5)</P
>array_change_key_case&nbsp;--&nbsp;Retorna um array com todas as chaves string em maiúsculo ou
    minúsculo</DIV
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>Descrição</H2
>array <B
CLASS="methodname"
>array_change_key_case</B
> ( array input [, int case] )<BR
></BR
><P
>&#13;     <B
CLASS="function"
>array_change_key_case()</B
> altera as chaves chaves do
     array <CODE
CLASS="parameter"
>input</CODE
> para maiúsculo ou minúsculo. A mudança
     depende do último parâmetro (opcional) <CODE
CLASS="parameter"
>case</CODE
>.
     Você pode passar duas constantes para ele,
     <TT
CLASS="constant"
><B
>CASE_UPPER</B
></TT
> e
     <TT
CLASS="constant"
><B
>CASE_LOWER</B
></TT
>. O padrão é
     <TT
CLASS="constant"
><B
>CASE_LOWER</B
></TT
>.
     Essa função deixará os índices numéricos inalterados.
    </P
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>Exemplo 1. Exemplo de <B
CLASS="function"
>array_change_key_case()</B
></B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$input_array </font><font color="#007700">= array(</font><font color="#DD0000">"primeiRo" </font><font color="#007700">=&gt; </font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#DD0000">"segunDo" </font><font color="#007700">=&gt; </font><font color="#0000BB">4</font><font color="#007700">);<br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">array_change_key_case</font><font color="#007700">(</font><font color="#0000BB">$input_array</font><font color="#007700">, </font><font color="#0000BB">CASE_UPPER</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
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>Array
(
    [PRIMEIRO] =&#62; 1
    [SEGUNDO] =&#62; 2
)</PRE
></TD
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></TD
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><P
>&#13;     Se uma matriz tem índices que serão o mesmo após a utilização desta função
     (ex: "chaVE" e "CHave"), o valor que estiver mais no fim na matriz
     irá sobrescrever os outros índices.</P
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