Write a PHP program to reverse the bits of an integer (32 bits unsigned)

hamza

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2022-05-18

149

Write a PHP program to reverse the bits of an integer (32 bits unsigned).

Input : 1234

For example, 1234 represented in binary as 10011010010 and returns 1260388352 which represents in binary as 1001011001000000000000000000000

Php programming,

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hamza

2022-05-18

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<?php
function reverse_integer($n)
{
    $result = 0;
    for($i= 0; $i<32; $i++)
        {
            $result <<= 1;
            $result|= ($n & 1);
            $n >>= 1;
        }
        return $result;

}   
print_r(reverse_integer(1234)."\n");
?>

Sample Output:

1260388352

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Write a PHP program to reverse the bits of an integer (32 bits unsigned)

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