<?php
include 'core/init.php';

if(empty($_POST) === false){
    $username = $_POST['username'];
    $password = $_POST['password'];
    if(empty($username) === true || empty($password) === true){
        $errors[] = 'You need to enter a username and password.';
    }else if(user_exists($username) === false){
        $errors[] = 'We cant find that username. Have you registered?';
    }else if(user_active($username) === false){
        $errors[] = 'You have not activated your account!';
    }else{
        $login = login($username, $password);
        if($login === false){
            $errors[] = 'That username/password is incorrect.';
        }else{
            $_SESSION['user_id'] = $login;
           header('location: index.php');
            exit();
        }
    }
    print_r($errors);
}

?>
                        <div class="form-group">
                            <input type="text" class="form-control"     placeholder="Name" name="username">
                        </div>
                        <div class="form-group">
                            <input type="password" class="form-control" placeholder="Password" name="password">
                        </div>
                        <div class="form-group">
                            <input type="submit" value="Log in" class="btn">