Factorial of a No.(PHP) : Varun Chouhan

Factorial of a no.

        <!DOCTYPE html>
<head>
       <title> Factorial No.</title>
</head>
<body>
       <form action=""method="post">
       Enter a no. : <input type="text"name="ok">
       <input type ="submit" name="ok">
</form>
</body>
</html>
<?PHP
        if(isset($_post ("ok"))){
           $var=$_post["no"];
           $fact=i;
        for ($i=1; $i<=$var; $i++)
           {
              factor*=$i;
           }
           echo"Factorial is=$fact";
        }
?>  
      

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