<?php
$light = $_GET['light'];
if($light == "on") {
$file = fopen("light.json", "w") or die("can't open file");
fwrite($file, '{"light": "on"}');
fclose($file);
}
else if ($light == "off") {
$file = fopen("light.json", "w") or die("can't open file");
fwrite($file, '{"light": "off"}');
fclose($file);
}
?>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>LED for ESP8266</title>
<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">
</head>
<body>
<div class="row" style="margin-top: 20px;">
<div class="col-md-8 col-md-offset-2">
<a href="?light=on" class="btn btn-success btn-block btn-lg">Turn On</a>
<br />
<a href="?light=off" class="led btn btn-danger btn-block btn-lg">Turn Off</a>
<br />
<div class="light-status well" style="margin-top: 5px; text-align:center">
<?php
if($light=="on") {
echo("Turn LED on.");
}
else if ($light=="off") {
echo("Turn LED off.");
}
else {
echo ("Do something.");
}
?>
</div>
</div>
</div>
</body>
</html>