- file_put_contents: documentation ( source)
<html>
<title>Status</title>
<body>
<form action="altaltstatus.php" method="post">
<input type="radio" name="status" value="Here"> Here<br>
<input type="radio" name="status" value="Away"> Away<br>
<input type="submit" name="submit" value="Update Status" />
</form>
<?php
if(isset($_POST['submit'])) { $status = $_POST['status'];
if (in_array($status, ['Here','Away'])) { file_put_contents(__DIR__.'/status.txt',$status);
} else { exit(1); }
}
?>
</body>
</html>