PHP Login Form - mySQLi - old - v2

// ------------------------------ //
// https://pastebin.com/996xp0kj  //
// ------------------------------ //

require '../php/session.php';
require '../php/config.php';

// LOGIN FORM
if(isset($_POST['login'])){
    // INPUT CAPTURE
    $username = trim($_POST['login_username']);
    $userpass = $_POST['login_userpass'];

    // ERRORS ARRAY
    $errors = [];

    // Username Check
    if(!$username){
        $errors[] = "Empty Username";
    }elseif(!filter_var($username, FILTER_SANITIZE_STRING) || !preg_match("/^[\w]{4,16}$/", $username)){
        $errors[] = "Invalid Username";
        $username = "";
    }
    // Password Check
    if(!$userpass){
        $errors[] = "Empty Password";
    }
    // Verify Account Existence if both username AND verification exist
    if($username && $userpass){
        $sql        = "SELECT user_id,user_name,user_pass,user_type FROM users WHERE user_name = ? AND user_verified = ?";
        $verify = 1;
        $stmt   = prepareQuery($con, $sql, [$username, $verify]);
        $stmt -> store_result();
        $num = $stmt -> num_rows();
        // Check if account exists
        if($num === $verify){

            // Bind results to variables
            $stmt -> bind_result($uid, $uname, $uhash, $utype);
            while($stmt -> fetch()){
                $userid     = $uid;
                $username = $uname;
                $userhash = $uhash;
                $usertype = $utype;
            }

            // Finally check the password
            if(password_verify($userpass, $userhash)){
                $stmt -> close();
                // LOGIN ACCOUNT
                $_SESSION['uID']        = $userid;
                $_SESSION['pID']        = $username;
                $_SESSION['TYPE']   = $usertype;
                $_SESSION['LOGIN']  = $date;
                $_SESSION['ERROR']  = "Successfully logged in!";
                // LOG ACTIVITY
                $sql    = "UPDATE users SET user_status = ?, user_lastlogin = ? WHERE user_name = ?";
                $stmt = prepareQuery($con, $sql, [$verify, $date, $username]);
                redir("/cpanel.php");
            }
        }
        $errors[] = "Username or password does not match our records";
        $con -> close();
    }

    // CHECK FOR ERRORS
    if($errors){
        $_SESSION['ERROR'] = $errors;
        $mins   = time() + 120;
        $path       = "/login.php";
        setcookie("username", $username, $mins, $path);
        redir($path);
    }
}