In this article I will show you how to compute simple amount interest rate solver using PHP. This program is very useful if you want to learn how much the interest should be paid in a loan in a certain amount of time. The code is very short and very easy to understand I hope you will find my work useful.
If you have some questions please send me an email at jakerpomperada@yahoo.com and jakerpomperada@gmail.com.
People here in the Philippines who wish to contact me can reach me at my mobile number 09173084360.
Sample Output of Our Program
Program Listing
<html>
<title> Simple Interest Solver</title>
<style>
body {
font-size:20px;
font-family:arial;
color:blue;
}
label{
display: table-cell;
text-align: justify;
}
input {
display: table-cell;
}
div.row{
display:table-row;
}
</style>
<?php
error_reporting(0);
$amount = $_POST['amount'];
$rate = $_POST['rate'];
$time = $_POST['time'];
$amount2 = (float)$amount;
$rate2 = (float)$rate;
$Solve_Interest = ($amount2 * $rate2 * $time) / 100;
$Total_Amount = ($amount2 + $Solve_Interest);
if(isset($_POST['check'])) {
$title .= " ===== GENERATED RESULT ===== " ."<BR><BR>";
$title .= "The computed interest is Php ".number_format($Solve_Interest,2,'.','').".<br><br>";
$title .= "The Total Amount to be paid is Php ".number_format($Total_Amount,2,'.','').".";
}
if(isset($_POST['clear'])) {
$amount = " ";
$rate = " ";
$time = " ";
$title= " ";
}
?>
<body style='background-color:lightgreen'>
<div style='width:800px;margin:auto'>
<br> <h1 align="center"> Simple Interest Solver</h2>
<form action="" method="post"><div>
<div class="row"><label> Enter Principal Amount : </label> <input type="text" name="amount"
value="<?php echo $amount; ?>" autofocus required size=10/><br> </div>
<div class="row"> <label> Enter Rate of Interest : </label><input type="text" name="rate"
value="<?php echo $rate; ?>" required size=10/><br> </div>
<div class="row"> <label> Enter Period of Time : </label> <input type="text" name="time"
value="<?php echo $time; ?>" required size=10/> </div> </div>
<br>
<input type="submit" name="check" value="Compute Interest"
title="Click here to compute the Interest Amount."/>
<input type="submit" name="clear" value="Clear"
title="Click here to clear text box and values on the screen"/>
</form>
<br> <br>
<?php
echo $title;
?>
</body>
</html>
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