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<?php   error_reporting(E_ALL ^ E_STRICT);
    session_start();
 require('connect.php');
//3. If the form is submitted or not.
//3.1 If the form is submitted
if (isset($_POST['username']) and isset($_POST['password'])){
//3.1.1 Assigning posted values to variables.
$username = $_POST['username'];
$password = $_POST['password'];
//3.1.2 Checking the values are existing in the database or not
$query = "SELECT * FROM `user` WHERE username='$username' and password='$password'";

$result = mysqli_query($con,$query) or die(mysql_error());

$count = mysqli_num_rows($result);
 echo "test";
//3.1.2 If the posted values are equal to the database values, then session will be created for the user.
if ($count == 1){
$_SESSION['username'] = $username;
}else{
//3.1.3 If the login credentials doesn't match, he will be shown with an error message.
echo "Invalid Login Credentials.";
}
}
//3.1.4 if the user is logged in Greets the user with message
if (isset($_SESSION['username'])){
$username = $_SESSION['username'];
echo "Hai " . $username . "
";
echo "This is the Members Area
";
echo "<a href='logout.php'>Logout</a>";

}else{
//3.2 When the user visits the page first time, simple login form will be displayed.
?>
<!DOCTYPE html>
 <head>
<title>CodingCyber - Simple Login Script</title>
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<body>
<!-- Form for logging in the users -->

<div class="register-form">
<?php
	if(isset($msg) & !empty($msg)){
		echo $msg;
	}
 ?>
<h1>Login</h1>
<form action="registration.php" method="POST">
    <p><label>User Name : </label>
	<input id="username" type="text" name="username" placeholder="username" /></p>

     <p><label>Password&nbsp;&nbsp; : </label>
	 <input id="password" type="password" name="password" placeholder="password" /></p>

    <a class="btn" href="register.php">Signup</a>
    <input class="btn register" type="submit" name="submit" value="Login" />
    </form>
</div>

<?php } ?>
</body>
</html>