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Calculator-get-method.php
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<?php
$result = "";
class GET_Calculator
{
var $FirstNumber;
var $SecondNumber;
function T4Tutorials($oprator)
{
switch($oprator)
{
case '+':
return $this->s + $this->t;
break;
case '-':
return $this->s - $this->t;
break;
case '*':
return $this->s * $this->t;
break;
case '/':
return $this->s / $this->t;
break;
default:
return "Sorry No command found";
}
}
function getresult($FirstNumber, $SecondNumber, $c)
{
$this->s = $FirstNumber;
$this->t = $SecondNumber;
return $this->T4Tutorials($c);
}
}
$cal = new GET_Calculator();
if(isset($_GET['submit']))
{
$result = $cal->getresult($_GET['No1'],$_GET['No2'],$_GET['op']);
}
?>
<form method="GET">
<table align="center">
<tr>
<td><strong><?php echo $result; ?><strong></td>
</tr>
<tr>
<td>Please Enter 1st Number</td>
<td><input type="text" name="No1"></td>
</tr>
<tr>
<td>Please Enter 2nd Number</td>
<td><input type="text" name="No2"></td>
</tr>
<tr>
<td>Select Oprator</td>
<td><select name="op">
<option value="+">+</option>
<option value="-">-</option>
<option value="*">*</option>
<option value="/">/</option>
</select></td>
</tr>
<tr>
<td></td>
<td><input type="submit" name="submit" value=" = "></td>
</tr>
</table>
</form>
</body>
</html>