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 gmp_xor    (PHP 4 >= 4.0.4, PHP 5) gmp_xor -- Logical XORDescriptionresource gmp_xor  ( resource a, resource b) 
     Calculates logical exclusive OR (XOR) of two GMP numbers.
     | 例子 1. gmp_xor() example | 
<?php$xor1 = gmp_init("1101101110011101", 2);
 $xor2 = gmp_init("0110011001011001", 2);
 
 $xor3 = gmp_xor($xor1, $xor2);
 
 echo gmp_strval($xor3, 2) . "\n";
 ?>
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      The printout of the above program will be:
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