php-doc-en/reference/gmp/functions/gmp-xor.xml

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  <refentry id="function.gmp-xor">
   <refnamediv>
    <refname>gmp_xor</refname>
    <refpurpose>Logical XOR</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>resource</type><methodname>gmp_xor</methodname>
      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
      <methodparam><type>resource</type><parameter>b</parameter></methodparam>
     </methodsynopsis>
    <para>
     Calculates logical exclusive OR (XOR) of two GMP numbers.
    </para>
    <example>
     <title><function>gmp_xor</function> example</title>
     <programlisting role="php">
<![CDATA[
<?php
$xor1 = gmp_init("1101101110011101", 2);
$xor2 = gmp_init("0110011001011001", 2);

$xor3 = gmp_xor($xor1, $xor2);

echo gmp_strval($xor3, 2) . "\n";
?>
]]>
     </programlisting>
     <para>
      The printout of the above program will be:
     </para>
     <screen>
<![CDATA[
1011110111000100
]]>
     </screen>
    </example>
   </refsect1>
  </refentry>

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