WordPress: WordPress Auto login by username
Create a autologin.php page with following script and upload to word press root.
ini_set('display_errors', 0);
if(isset($_GET["username"]) && $_GET["username"]!="") {
require( dirname(__FILE__) . '/wp-load.php' );
$user_login=$_GET["username"];
$user = get_userdatabylogin($user_login);
$user_id = $user->ID;
wp_set_current_user($user_id, $user_login);
wp_set_auth_cookie($user_id);
do_action('wp_login', $user_login);
$current_user = wp_get_current_user();
header("Location: http://www.yoursite.com/wp-admin/");
exit;
//print_r($current_user);
}
