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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>gmp_setbit</H1
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><P
>    (PHP 4 &#62;= 4.0.4, PHP 5)</P
>gmp_setbit&nbsp;--&nbsp;Set bit</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN60843"
></A
><H2
>Description</H2
>void <B
CLASS="methodname"
>gmp_setbit</B
> ( resource &#38;a, int index [, bool set_clear] )<BR
></BR
><P
>&#13;     Sets bit <CODE
CLASS="parameter"
>index</CODE
> in
     <CODE
CLASS="parameter"
>a</CODE
>. <CODE
CLASS="parameter"
>set_clear</CODE
>
     defines if the bit is set to 0 or 1. By default the bit is set to
     1. Index starts at 0.
    </P
><DIV
CLASS="note"
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CLASS="note"
><P
><B
>Nota: </B
>
      Unlike most of the other GMP functions, <B
CLASS="function"
>gmp_setbit()</B
>
      must be called with a GMP resource that already exists (using
      <A
HREF="function.gmp-init.html"
><B
CLASS="function"
>gmp_init()</B
></A
> for example). One will not be
      automatically created.
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><B
>Exemplo 1. <B
CLASS="function"
>gmp_setbit()</B
> example</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$a </font><font color="#007700">= </font><font color="#0000BB">gmp_init</font><font color="#007700">(</font><font color="#DD0000">"0xfd"</font><font color="#007700">);<br /></font><font color="#0000BB">gmp_setbit</font><font color="#007700">(</font><font color="#0000BB">$a</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">); </font><font color="#FF8000">// index starts at 0<br /></font><font color="#007700">echo </font><font color="#0000BB">gmp_strval</font><font color="#007700">(</font><font color="#0000BB">$a</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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><P
>&#13;      The printout of the above program will be:
     </P
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>255</PRE
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><P
>&#13;     See also <A
HREF="function.gmp-clrbit.html"
><B
CLASS="function"
>gmp_clrbit()</B
></A
>.
    </P
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