Php factorial

function Factorial($n) {
  	return ($n <= 1) ? 1 : $n * Factorial($n - 1);
}

Factorial function php

function Factorial($number){ 
    if($number <= 1){   
        return 1;   
    }   
    else{   
        return $number * Factorial($number - 1);   
    }   
} 
  
$number = 5; 
$fact = Factorial($number); 
echo "Factorial = $fact";  //output : 120
?>

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