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abidibo/gist:ee6027384d25a19b86d4

Created January 10, 2015 11:39
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get integer complement
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gistfile1.txt
function getIntegerComplement( $n) {
$n = (int) $n;
$mask = bindec(str_repeat('1', strlen(decbin($n))));
$val = $n ^ $mask;
return $val;
}
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