クッキーにセットした値をカウントアップします。

## cookieCountUp.php
<?php
if( isset($_COOKIE['count']) ){
	$count = $_COOKIE['count'];
} else {
	$count = 0;
}

$count++;

setcookie('count', $count);
?><!DOCTYPE HTML>
<html lang="en-US">
<head>
	<meta name="viewport" content="width=device-width, minimum-scale=1, maximum-scale=1">
	<meta charset="UTF-8">
	<title></title>
</head>
<body>
	<?php echo($count); ?>
</body>
</html>
	<?php
	if( isset($_COOKIE['count']) ){
	$count = $_COOKIE['count'];
	} else {
	$count = 0;
	}

	$count++;

	setcookie('count', $count);
	?><!DOCTYPE HTML>
	<html lang="en-US">
	<head>
	<meta name="viewport" content="width=device-width, minimum-scale=1, maximum-scale=1">
	<meta charset="UTF-8">
	<title></title>
	</head>
	<body>
	<?php echo($count); ?>
	</body>
	</html>