Find Factorial of a Number using While Loop
<?php
function getFactorial( $num ){
$fact = 1;
while( $num != 0 ){
$fact = $fact * $num;
$num--;
}
return $fact;
}
$number = 5;
$factorial = getFactorial( $number );
echo 'Factorial of '.$number. ' is '.$factorial;
?>Find Factorial of a Number using Recursion in PHP
<?php
function factorial( $num )
{
if( $num <= 1 )
{
return 1;
}
else
{
return $num * factorial( $num - 1 );
}
}
$number = 6;
echo "Factorial of ".$number." is " .factorial( $number );
?>