In this tutorial, I will show you how to write a program to ask the user to give a number and then the program will check if  the given number is a perfect number or not  using PHP programming language.

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Program Listing



   <title>Perfect Number in PHP </title>



      <style type="text/css">


      body {

        font-family: arial;

            size: 12px;





     $num_values = $_POST['num_val'];

  function CheckPerfect($num) {


  $i = 1;

  $total = 0;

  for($i=1; $i<$num; $i++)


  if($num % $i == 0)

      $total += $i;


  if($total == $num)

    $message = "$num is a perfect number.";


    $message = "$num is not a perfect number.";

     return $message;


   if(isset($_POST['submit'])) {


      $results= CheckPerfect($num_values);



 if(isset($_POST['clear'])) {

      $num_values = "";

      $results = "";



  <h2> Perfect Number in PHP </h2>

  <p> Mr. Jake Rodriguez Pomperada,MAED-IT, MIT </p>

<form method="post">

   <p>Give a Number <input 

    type="numeric" name="num_val"

     value="<?php echo $num_values; ?>" autofocus required /></p>


<input type="submit" name="submit" 

   title="Click here to compute the cube root. "

   value="Submit" />



    <input type="submit" name="clear" 

    title="Click here to clear the textbox."

    value="Clear" />



   echo $results;




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