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Strong Number Checker in PHP

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Submitted on: 8/5/2016 12:26:55 PM
By: Jake R. Pomperada  
Level: Beginner
User Rating: By 1 Users
Compatibility: PHP 5.0
Views: 3040
author picture
 
     A simple program that I wrote in PHP to check if the given number of the user in strong number or not. Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com. My mobile number here in the Philippines is 09173084360.

 
code:
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//**************************************
// Name: Strong Number Checker in PHP
// Description:A simple program that I wrote in PHP to check if the given number of the user in strong number or not. 
Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
// By: Jake R. Pomperada
//**************************************

<html>
<title> Strong Number Checker in PHP </title>
<style>
 body {
font-family: arial;
font-size: 18px;
font-weight: bold;
 };
</style>
<body>
 <?php
error_reporting(0);
 $input = $_POST['inputNumber'];
 if(isset($_POST['ClearButton'])){
 $input="";
 $display_result="";
 }
?>
<br>
 <h2> Strong Number Checker in PHP </h2>
<form action="" method="post">
 Give a number
 <input type="text" name="inputNumber"
 value="<?php echo $input; ?>" size="5" autofocus required/>
 <br><br>
 <input type="submit" name="SubmitButton" value="Ok"/>
   
 <input type="submit" name="ClearButton" value="Clear"/>
</form>
<?php
//Strong number
//Strong numbers are the numbers whose sum of factorial of digits is equal to the number. For Example: 145 is a strong number
//Since 1! + 4! + 5! = 145
// 1,2,145 and 40585 are examples of strong numbers
function CheckStrongNumber($number)
{
 $fact;
 $num = $number;
 $sum = 0;
 while ($number != 0)
 {
 $fact = 1;
 for ($i = 1; $i <= $number % 10; $i++)
$fact *= $i;
 $sum += $fact;
 $number = (int)($number / 10);
 }
 return $sum == $num;
}
if(isset($_POST['SubmitButton'])){
$value = CheckStrongNumber($input);
if ($value == True)
 {
 echo "<br>";
 $display_result = $input. " is a strong number.";
 echo $display_result;
 echo "<br>";
 }
 else {
echo "<br>";
$display_result = $input. " is a not strong number.";
echo $display_result;
echo "<br>";
 }
}
?>
</body>
</html>


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