PHP Login funktion

<?php
session_start();
include('includes/config.php');  
if (isset($_POST['login'])) {  
    $status   = '1';  
    $name     = $_POST['username'];  
    $password = md5($_POST['password']);  
    $sql      = "SELECT name,password FROM users WHERE name=:name and password=:password and status=(:status)";  
    $query    = $dbh->prepare($sql);
    $query->bindParam(':name', $name, PDO::PARAM_STR);  
    $query->bindParam(':password', $password, PDO::PARAM_STR);  
    $query->bindParam(':status', $status, PDO::PARAM_STR);  
    $query->execute();
    $results = $query->fetchAll(PDO::FETCH_OBJ);
    
    if ($status = "0")  
        goto a;
    else
        goto b;
    
    break;
    
b:
    if ($query->rowCount() > 0) {
        $_SESSION['alogin'] = $_POST['username'];  
        echo "<script type='text/javascript'> document.location = 'Home.php'; </script>";  
    } else {
        
        echo "<script>alert('Invalid Details Or Account Not Confirmed');</script>";  
    }
    break;
a:
    echo "<script type='text/javascript'> document.location = 'change-password.php'; </script>";  
    
}

?>