<?php
$num = 5;
$fact = 1;
for($i = 1; $i <= $num; $i++) {
   $fact = $fact * $i;
}
echo "factorial of $num is = ".$fact;
?>
Kopyala

<?php
function getFactorialofNumber($number) {
    if($number <= 1) {
        return 1;
    } else {
        return $number * getFactorialofNumber($number - 1);
    }
}
echo "factorial of 6 is = ".getFactorialofNumber(6);
?>
Kopyala