bilinin/php calc

## php calc
<!DOCTYPE html>
<html>
<head>
	<title>PHP Калькулятор</title>
</head>
<body>
<center>
<?php
	$one	=	$_POST['one'];
	$two	=	$_POST['two'];
	$rez	=	0;
	$fun 	=	$_POST['but'];

	switch ($fun) {
    	case "+":
       		$rez	=	$one+$two;
       		break;
    	case "-":
        	$rez	=	$one-$two;
        	break;
    	case "*":
        	$rez	=	$one*$two;
        	break;
    	case "/":
        	$rez	=	$one/$two;
        break;
	}
	echo "Result = ";
	echo $rez;
?>

	<form action="index.php" method="post">
	<p>
		One:<input name='one' value="<?php echo $one; ?>">
	</p>
	<p>
		Two:<input name='two' value="<?php echo $two; ?>">
	</p>
	<p>
		<input type="submit" value="+"	name="but">
		<input type="submit" value="-"	name="but">
		<input type="submit" value="*"	name="but">
		<input type="submit" value="/"	name="but">
	</p>
</center>
</body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>PHP Калькулятор</title>
	</head>
	<body>
	<center>
	<?php
	$one = $_POST['one'];
	$two = $_POST['two'];
	$rez = 0;
	$fun = $_POST['but'];

	switch ($fun) {
	case "+":
	$rez = $one+$two;
	break;
	case "-":
	$rez = $one-$two;
	break;
	case "*":
	$rez = $one*$two;
	break;
	case "/":
	$rez = $one/$two;
	break;
	}
	echo "Result = ";
	echo $rez;
	?>

	<form action="index.php" method="post">
	<p>
	One:<input name='one' value="<?php echo $one; ?>">
	</p>
	<p>
	Two:<input name='two' value="<?php echo $two; ?>">
	</p>
	<p>
	<input type="submit" value="+" name="but">
	<input type="submit" value="-" name="but">
	<input type="submit" value="*" name="but">
	<input type="submit" value="/" name="but">
	</p>
	</center>
	</body>
	</html>