19 factorial code example
Example 1: calculate factorial
int factorial(int n) {
int res = 1, i;
for (i = 2; i <= n; i++)
res *= i;
return res;
}
Example 2: factorial of 8
function getFactorial($int)
{
$factorial = 1;
for ($i = $int; $i > 1; $i--)
{
$factorial *= $i;
}
echo "The factorial of " . $int . " is " . $factorial . '<br>';
}