(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_xor — Bitwise XOR
gmp_xor ( GMP|int|string $num1 , GMP|int|string $num2 ) : GMP
Calculates bitwise exclusive OR (XOR) of two GMP numbers.
A GMP object.
Example #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";
?> The above example will output:
1011110111000100
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https://www.php.net/manual/en/function.gmp-xor.php