Question

How to calculate the next multiple of 4 in PHP

Answer 1

function nextMultipleOf4($num) {
    return ($num % 4 == 0) ? $num + 4 : ($num + 3) & ~0x03;
}

$nums = [21, 16, 0, -9];

foreach ($nums as $num) {
    echo nextMultipleOf4($num) . "\n";
}



/*
run:

24
20
4
-8

*/

 

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