Answers for "php round edge case"

php round down

// round down
echo floor(1.5); // prints 1

// round up
echo ceil(1.5); // prints 2

php round to the nearest 10

$number = ceil($input / 10) * 10;

php round up

echo ceil(4.3);    // 5
echo ceil(9.999);  // 10
echo ceil(-3.14);  // -3

php round function syntax

float round($number, $precision, $mode);