function calculateFactorial($number)
{
if ($number == 1) {
return 1;
}
return $number * calculateFactorial($number - 1);
}
function calculateFactorial($n)
{
if ($n == 1) {
return 1;
}
return $n * calculateFactorial($n - 1);
}
<?php
/*
* Write a function to calculate the factorial of a number (non-negative integer).
* The function accept the number as a argument
*/
function calculateFactorial($num)
{
$factorial = 1;
for ($x = 1; $x <= $num; $x++) {
$factorial = $factorial * $x;
}
return "The factorial of {$num} is : " . $factorial;
}
echo calculateFactorial(3);
