Calculate & Print the Factorial of a Number using PHP?

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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