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<?php function hammingWeight($num) { if($num === 0) { return 0; print_r('t1'); } $binNum = decbin($num); $result = 0; for($i = 0; $i < strlen($binNum); $i++) { if ($binNum[$i] === 1) { $result = $result + 1; print_r('t1'); } } return $result; } hammingWeight(0);
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