<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title> ;PHP login interface</title>
<link rel="stylesheet" href="css.css">
</head>
<body>
<form action="index1.php" method="post">
User name:<input type="text" name="user" placeholder="Please enter admin or guest"><br>
Password: <input type="password" name="password" placeholder="The password length must be greater than six digits and less than sixteen digits"><br>
</label>< input type="submit" value="Submit">
</form>
</body>
</html>
header("Content-type: text/html; charset=utf-8");
echo $_POST;
echo "< ;br>";
echo $_POST;
