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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>sha1</H1
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>    (PHP 4 &#62;= 4.3.0, PHP 5)</P
>sha1&nbsp;--&nbsp;Calcula a hash sha1 de uma string</DIV
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><H2
>Descrição</H2
>string <B
CLASS="methodname"
>sha1</B
> ( string str [, bool raw_output] )<BR
></BR
><P
>&#13;     Calcula a hash sha1 de <CODE
CLASS="parameter"
>str</CODE
> usando
     <A
HREF="http://www.faqs.org/rfcs/rfc3174"
TARGET="_top"
>US Secure Hash Algorithm 1</A
>,
     e retorna esta hash. A hash é um número hexadecimal de 40 caracteres.
     Se o parâmetro opcional <CODE
CLASS="parameter"
>raw_output</CODE
> for <TT
CLASS="constant"
><B
>TRUE</B
></TT
>,
     então o resultado é retornado em um formato binário com o tamanho de 20.
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><B
>Nota: </B
>
      O parâmetro opcional <CODE
CLASS="parameter"
>raw_output</CODE
> foi adicionado no
      PHP 5.0.0 e o padrão é <TT
CLASS="constant"
><B
>FALSE</B
></TT
>
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>Exemplo 1. Exemplo <B
CLASS="function"
>sha1()</B
></B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$str </font><font color="#007700">= </font><font color="#DD0000">'apple'</font><font color="#007700">;<br /><br />if (</font><font color="#0000BB">sha1</font><font color="#007700">(</font><font color="#0000BB">$str</font><font color="#007700">) === </font><font color="#DD0000">'d0be2dc421be4fcd0172e5afceea3970e2f3d940'</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"Would you like a green or red apple?"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;exit;<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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    </P
><P
>&#13;     Veja também <A
HREF="function.sha1-file.html"
><B
CLASS="function"
>sha1_file()</B
></A
>, <A
HREF="function.crc32.html"
><B
CLASS="function"
>crc32()</B
></A
>,
     e <A
HREF="function.md5.html"
><B
CLASS="function"
>md5()</B
></A
>
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