Program:- Calculate & Print the Factorial of a Number using PHP?, php program to find factorial of a number using function, factorial program in php using while loop
Solution – Calculate & Print the Factorial of a Number using PHP
<?php
function fact($n){
if($n < 0){
return -1;
}
if($n==0){
return 1;
}
return($n*fact($n-1));
}
echo fact(5);
?>
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