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>gmp_invert</H1
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>    (PHP 4 &#62;= 4.0.4, PHP 5)</P
>gmp_invert&nbsp;--&nbsp;Inverse by modulo</DIV
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>Description</H2
>resource <B
CLASS="methodname"
>gmp_invert</B
> ( resource a, resource b )<BR
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><P
>&#13;     Computes the inverse of <CODE
CLASS="parameter"
>a</CODE
> modulo
     <CODE
CLASS="parameter"
>b</CODE
>. Returns <TT
CLASS="constant"
><B
>FALSE</B
></TT
> if an inverse does not
     exist.
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>例 1. <B
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>gmp_invert()</B
> example</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">echo </font><font color="#0000BB">gmp_invert</font><font color="#007700">(</font><font color="#DD0000">"5"</font><font color="#007700">, </font><font color="#DD0000">"10"</font><font color="#007700">); </font><font color="#FF8000">// no inverse, outputs nothing, result is FALSE<br /></font><font color="#0000BB">$invert </font><font color="#007700">= </font><font color="#0000BB">gmp_invert</font><font color="#007700">(</font><font color="#DD0000">"5"</font><font color="#007700">, </font><font color="#DD0000">"11"</font><font color="#007700">);<br />echo </font><font color="#0000BB">gmp_strval</font><font color="#007700">(</font><font color="#0000BB">$invert</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /></font><font color="#0000BB">?&gt;</font>
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>&#13;      The printout of the above program will be:
     </P
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