Auto Login after Registration

debugcn Published at Dev

Prabin Parajuli

I am using custom registration form and users are registered when they sign up.

Now, what I really want to do is users are redirected to their profile page with auto_logged in after registration is complete. I searched for a few solutions on strong textstack overflow but none helped me.

Here's my registration snippet

Note: registration form is not included here

$err = '';
$success = '';
global $wpdb, $PasswordHash, $current_user, $user_ID;
if(isset($_POST['task']) && $_POST['task'] == 'register' ) {
    $pwd1 = $wpdb->escape(trim($_POST['pwd1']));
    $pwd2 = $wpdb->escape(trim($_POST['pwd2']));
    $first_name = $wpdb->escape(trim($_POST['first_name']));
    $last_name = $wpdb->escape(trim($_POST['last_name']));
    $email = $wpdb->escape(trim($_POST['email']));
    $username = $wpdb->escape(trim($_POST['user_name']));

        $user_id = wp_insert_user( array ('first_name' => apply_filters('pre_user_first_name', $first_name), 'last_name' => apply_filters('pre_user_last_name', $last_name), 'user_pass' => apply_filters('pre_user_user_pass', $pwd1), 'user_login' => apply_filters('pre_user_user_login', $username), 'user_email' => apply_filters('pre_user_user_email', $email), 'role' => 'subscriber' ) );
        if( is_wp_error($user_id) ) {
            $err = 'Error on user creation.';
        } else {
            do_action('user_register', $user_id);

            $success = 'You\'re successfully register';

        }               
}

Any help is appreciated. Thanks.

user5200704

You are using a action "user_register" when successfully registration completed so using this hook to when user register complete then it will be auto login like this:

// It is login system same as wordpress and also global variable available like $current_user etc.

add_action('user_register', "auto_login_after_register");

function auto_login_after_register( $user_id ){
  global $wpdb;
  if(  'post' ==  strtolower($_SERVER['REQUEST_METHOD']) ){
     $pwd1 = $wpdb->escape(trim($_POST['pwd1']));
     $username = $wpdb->escape(trim($_POST['user_name']));  
     $creds = array();
     $creds['user_login'] = $username;
     $creds['user_password'] = $pwd1;
     $creds['remember'] = false;
     $user = wp_signon( $creds, false );
     if ( ! is_wp_error($user) ){
        wp_redirect( admin_url('profile.php') );
        exit;
     }
  } 
}

Or put code without action

$user_id = wp_insert_user( array ('first_name' => apply_filters('pre_user_first_name', $first_name), 'last_name' => apply_filters('pre_user_last_name', $last_name), 'user_pass' => apply_filters('pre_user_user_pass', $pwd1), 'user_login' => apply_filters('pre_user_user_login', $username), 'user_email' => apply_filters('pre_user_user_email', $email), 'role' => 'subscriber' ) );
        if( is_wp_error($user_id) ) {
            $err = 'Error on user creation.';
        } else {
            do_action('user_register', $user_id);
            $creds = array();
                 $creds['user_login'] = $username;
                 $creds['user_password'] = $pwd1;
                 $creds['remember'] = false;
                 $user = wp_signon( $creds, false );
                 if ( is_wp_error($user) ){
                      $err = $user->get_error_message();
                 }else{
                    $login_redirect = apply_filters( 'login_redirect', admin_url('profile.php') ); 
                    wp_redirect( $login_redirect );
                    exit;
                 }
            $success = 'You\'re successfully register';

        }

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