Use the factorial operation to evaluate 4!. 4 - 3 - 2 - 1 4 x 3 x 2 x 1 4.321 4 + 3 + 2 + 1 code example
Example: factorial of 8
function getFactorial($int)
{
$factorial = 1;
for ($i = $int; $i > 1; $i--)
{
$factorial *= $i;
}
echo "The factorial of " . $int . " is " . $factorial . '<br>';
}