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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>getenv</H1
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>    (PHP 3, PHP 4, PHP 5)</P
>getenv&nbsp;--&nbsp;Obtém uma variável de ambiente</DIV
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><H2
>Descrição</H2
>string <B
CLASS="methodname"
>getenv</B
> ( string varname )<BR
></BR
><P
>&#13;     Retorna o nome da variável de ambiente
     <CODE
CLASS="parameter"
>varname</CODE
>, ou <TT
CLASS="constant"
><B
>FALSE</B
></TT
> em caso de erro.
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$ip </font><font color="#007700">= </font><font color="#0000BB">getenv</font><font color="#007700">(</font><font color="#DD0000">"REMOTE_ADDR"</font><font color="#007700">); </font><font color="#FF8000">// obtém o número ip do usuário<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
    </P
><P
>&#13;     Você poderá ver uma lista de todas as variáveis de ambiente usando
     <A
HREF="function.phpinfo.html"
><B
CLASS="function"
>phpinfo()</B
></A
>. Você poderá encontram o que muitas delas indicam dando
     uma olhada em <A
HREF="http://hoohoo.ncsa.uiuc.edu/cgi/"
TARGET="_top"
>CGI
     specification</A
>, especialmente em <A
HREF="http://hoohoo.ncsa.uiuc.edu/cgi/env.html"
TARGET="_top"
>page on environmental variables</A
>.
    </P
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>&#13;     <DIV
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><B
>Nota: </B
>
       Esta função não funciona no modo ISAPI.
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>
    </P
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>&#13;     Veja também <A
HREF="function.putenv.html"
><B
CLASS="function"
>putenv()</B
></A
>.
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