Q:

Write a function to calculate the factorial of a number (a non-negative integer)

hamza
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2022-05-18
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Write a function to calculate the factorial of a number (a non-negative integer). The function accepts the number as an argument

Php programming,
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hamza
2022-05-18
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<?php
function factorial_of_a_number($n)
{
  if($n ==0)
    {
	   return 1;
    }
  else 
    {	
	   return $n * factorial_of_a_number($n-1);
    }
	}
print_r(factorial_of_a_number(4)."\n");
?>

Sample Output:

24

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