/**
  * Updates the user meta.
  * 
  * @param int $user_id
  */
 public static function edit_user_profile_update($user_id)
 {
     global $wpdb;
     if (!affiliates_user_is_affiliate($user_id)) {
         return;
     }
     require_once AFFILIATES_CORE_LIB . '/class-affiliates-settings.php';
     require_once AFFILIATES_CORE_LIB . '/class-affiliates-settings-registration.php';
     $registration_fields = Affiliates_Settings_Registration::get_fields();
     // remove fields not stored as user meta
     foreach (Affiliates_Registration::get_skip_meta_fields() as $key) {
         unset($registration_fields[$key]);
     }
     unset($registration_fields['first_name']);
     unset($registration_fields['last_name']);
     // update user meta
     if (!empty($registration_fields)) {
         foreach ($registration_fields as $name => $field) {
             $meta_value = isset($_POST[$name]) ? $_POST[$name] : '';
             $meta_value = Affiliates_Utility::filter($meta_value);
             update_user_meta($user_id, $name, maybe_unserialize($meta_value));
         }
     }
     // The affiliate entry must be updated using the profile_update action
     // as we don't have the updated user info here yet.
 }
 /**
  * Registration form.
  * 
  * @see Affiliates_Registration::$defaults for accepted parameters
  * 
  * @param array $options form options
  * @return string rendered registration form
  */
 public static function render_form($options = array())
 {
     wp_enqueue_style('affiliates');
     self::$submit_button_label = __('Sign Up', AFFILIATES_PLUGIN_DOMAIN);
     $output = '';
     //
     // Existing affiliate
     //
     if ($is_affiliate = affiliates_user_is_affiliate()) {
         $output .= '<div class="affiliates-registration registered">';
         $output .= '<p>';
         $output .= __('You are already registered as an affiliate.', AFFILIATES_PLUGIN_DOMAIN);
         $output .= '</p>';
         if (isset($options['registered_profile_link_url'])) {
             $output .= '<p>';
             $output .= '<a href="' . esc_url($options['registered_profile_link_url']) . '">';
             if (isset($options['registered_profile_link_text'])) {
                 $output .= wp_filter_kses($options['registered_profile_link_text']);
             } else {
                 $output .= __('Access your profile', AFFILIATES_PLUGIN_DOMAIN);
             }
             $output .= '</a>';
             $output .= '</p>';
         }
         $output .= '</div>';
         return $output;
     }
     //
     // Registration closed
     //
     if (!get_option('aff_registration', get_option('users_can_register', false))) {
         $output .= '<p>' . __('Registration is currently closed.', AFFILIATES_PLUGIN_DOMAIN) . '</p>';
         return $output;
     }
     require_once AFFILIATES_CORE_LIB . '/class-affiliates-settings.php';
     require_once AFFILIATES_CORE_LIB . '/class-affiliates-settings-registration.php';
     $registration_fields = Affiliates_Settings_Registration::get_fields();
     //
     // Gather user info
     //
     $user = null;
     if ($is_logged_in = is_user_logged_in()) {
         $user = wp_get_current_user();
         if (isset($registration_fields['first_name']) && $registration_fields['first_name']['enabled']) {
             $first_name = $user->first_name;
             $first_name = sanitize_user_field('first_name', $first_name, $user->ID, 'display');
             $registration_fields['first_name']['value'] = $first_name;
         }
         if (isset($registration_fields['last_name']) && $registration_fields['last_name']['enabled']) {
             $last_name = $user->last_name;
             $last_name = sanitize_user_field('last_name', $last_name, $user->ID, 'display');
             $registration_fields['last_name']['value'] = $last_name;
         }
         if (isset($registration_fields['user_login']) && $registration_fields['user_login']['enabled']) {
             $user_login = $user->user_login;
             $user_login = sanitize_user_field('user_login', $user_login, $user->ID, 'display');
             $registration_fields['user_login']['value'] = $user_login;
         }
         if (isset($registration_fields['user_email']) && $registration_fields['user_email']['enabled']) {
             $user_email = $user->user_email;
             $user_email = sanitize_user_field('email', $user_email, $user->ID, 'display');
             $registration_fields['user_email']['value'] = $user_email;
         }
         if (isset($registration_fields['user_url']) && $registration_fields['user_url']['enabled']) {
             $url = $user->user_url;
             $url = sanitize_user_field('user_url', $url, $user->ID, 'display');
             $registration_fields['user_url']['value'] = $url;
         }
     }
     $submit_name = 'affiliates-registration-submit';
     $nonce = 'affiliates-registration-nonce';
     $nonce_action = 'affiliates-registration';
     $send = false;
     $captcha = '';
     $error = false;
     if (!empty($_POST[$submit_name])) {
         if (!wp_verify_nonce($_POST[$nonce], $nonce_action)) {
             $error = true;
             // fail but don't give clues
         }
         $captcha = !empty($_POST[Affiliates_Utility::get_captcha_field_id()]) ? $_POST[Affiliates_Utility::get_captcha_field_id()] : null;
         if (!Affiliates_Utility::captcha_validates($captcha)) {
             $error = true;
             // dumbot
         }
         // gather field values
         foreach ($registration_fields as $name => $field) {
             if ($field['enabled']) {
                 $value = isset($_POST[$name]) ? $_POST[$name] : '';
                 $value = Affiliates_Utility::filter($value);
                 if ($field['required'] && empty($value)) {
                     $error = true;
                     $output .= '<div class="error">';
                     $output .= __('<strong>ERROR</strong>', AFFILIATES_PLUGIN_DOMAIN);
                     $output .= ' : ';
                     $output .= sprintf(__('Please fill out the field <em>%s</em>.', AFFILIATES_PLUGIN_DOMAIN), $field['label']);
                     $output .= '</div>';
                 }
                 $registration_fields[$name]['value'] = $value;
             }
         }
         $error = apply_filters('affiliates_registration_error_validate', $error);
         if (!$error) {
             $userdata = array();
             foreach ($registration_fields as $name => $field) {
                 if ($registration_fields[$name]['enabled']) {
                     $userdata[$name] = $registration_fields[$name]['value'];
                 }
             }
             // don't try to create a new user on multiple renderings
             global $affiliate_user_id, $new_affiliate_registered, $stored_affiliate;
             if (!isset($affiliate_user_id)) {
                 if (!$is_logged_in) {
                     // allow plugins to be aware of new user account being created
                     do_action('affiliates_before_register_affiliate', $userdata);
                     // create the affiliate user account
                     $affiliate_user_id = self::register_affiliate($userdata);
                     $new_affiliate_registered = true;
                     do_action('affiliates_after_register_affiliate', $userdata);
                 } else {
                     $affiliate_user_id = $user->ID;
                     $new_affiliate_registered = true;
                 }
             }
             // register as affiliate
             if (!is_wp_error($affiliate_user_id)) {
                 // add affiliate entry
                 $send = true;
                 if (!isset($stored_affiliate)) {
                     if ($new_affiliate_registered) {
                         $affiliate_id = self::store_affiliate($affiliate_user_id, $userdata);
                         // update user including meta
                         self::update_affiliate_user($affiliate_user_id, $userdata);
                         do_action('affiliates_stored_affiliate', $affiliate_id, $affiliate_user_id);
                     }
                     $stored_affiliate = true;
                 }
                 $is_widget = isset($options['is_widget']) && ($options['is_widget'] === true || $options['is_widget'] == 'true');
                 $redirect = isset($options['redirect']) && ($options['redirect'] === true || $options['redirect'] == 'true');
                 $redirect_url = empty($_REQUEST['redirect_to']) ? apply_filters('affiliates_registration_login_redirect_url', get_site_url(get_current_blog_id(), 'wp-login.php?checkemail=confirm')) : $_REQUEST['redirect_to'];
                 if ($redirect && !$is_widget && !headers_sent()) {
                     wp_safe_redirect($redirect_url);
                     exit;
                 } else {
                     $output .= '<p>' . __('Thanks for signing up!', AFFILIATES_PLUGIN_DOMAIN) . '</p>';
                     if (!$is_logged_in) {
                         $output .= '<p>' . __('Please check your email for the confirmation link.', AFFILIATES_PLUGIN_DOMAIN) . '</p>';
                         if ($redirect && !$is_widget) {
                             $output .= '<script type="text/javascript">window.location="' . esc_url($redirect_url) . '";</script>';
                         } else {
                             $output .= '<p>';
                             $output .= sprintf(__('Log in <a href="%s">here</a>.', AFFILIATES_PLUGIN_DOMAIN), esc_url(apply_filters('affiliates_registration_login_redirect_url', get_site_url(get_current_blog_id(), 'wp-login.php?checkemail=confirm'))));
                             $output .= '</p>';
                         }
                     } else {
                         if (isset($options['registered_profile_link_url'])) {
                             $output .= '<p>';
                             $output .= '<a href="' . esc_url($options['registered_profile_link_url']) . '">';
                             if (isset($options['registered_profile_link_text'])) {
                                 $output .= wp_filter_kses($options['registered_profile_link_text']);
                             } else {
                                 $output .= __('Access your profile', AFFILIATES_PLUGIN_DOMAIN);
                             }
                             $output .= '</a>';
                             $output .= '</p>';
                         }
                     }
                 }
             } else {
                 // is_wp_error( $affiliate_user_id ), user registration failed
                 $error = true;
                 $wp_error = $affiliate_user_id;
                 if ($wp_error->get_error_code()) {
                     $errors = array();
                     $messages = array();
                     foreach ($wp_error->get_error_codes() as $code) {
                         $severity = $wp_error->get_error_data($code);
                         foreach ($wp_error->get_error_messages($code) as $error) {
                             if ('message' == $severity) {
                                 $messages[] = $error;
                             } else {
                                 $errors[] = $error;
                             }
                         }
                     }
                     if (!empty($errors)) {
                         $output .= '<div class="error">';
                         $output .= apply_filters('login_errors', implode('<br />', $errors));
                         $output .= '</div>';
                     }
                     if (!empty($messages)) {
                         $output .= '<div class="message">';
                         $output .= apply_filters('login_messages', implode('<br />', $messages));
                         $output .= '</div>';
                     }
                 }
             }
         }
     }
     // Registration form
     if (!$send) {
         if (isset($options['terms_post_id'])) {
             $terms_post = get_post($options['terms_post_id']);
             if ($terms_post) {
                 $terms_post_link = '<a target="_blank" href="' . esc_url(get_permalink($terms_post->ID)) . '">' . get_the_title($terms_post->ID) . '</a>';
                 $terms = sprintf(apply_filters('affiliates_terms_post_link_text', __('By signing up, you indicate that you have read and agree to the %s.', AFFILIATES_PLUGIN_DOMAIN)), $terms_post_link);
             }
         }
         $output .= '<div class="affiliates-registration" id="affiliates-registration">';
         $output .= '<img id="affiliates-registration-throbber" src="' . AFFILIATES_PLUGIN_URL . 'images/affiliates-throbber.gif" style="display:none" />';
         $output .= '<form id="affiliates-registration-form" method="post">';
         $output .= '<div>';
         $output .= apply_filters('affiliates_registration_before_fields', '');
         $output .= self::render_fields($registration_fields);
         $output .= apply_filters('affiliates_registration_after_fields', '');
         if (isset($terms)) {
             $output .= '<div class="terms">' . $terms . '</div>';
         }
         $output .= Affiliates_Utility::captcha_get($captcha);
         $output .= wp_nonce_field($nonce_action, $nonce, true, false);
         if (isset($options['redirect_to'])) {
             $output .= '<input type="hidden" name="redirect_to" value="' . esc_url($options['redirect_to']) . '" />';
         }
         $output .= '<div class="sign-up">';
         $output .= '<input type="submit" name="' . $submit_name . '" value="' . self::$submit_button_label . '" />';
         $output .= '</div>';
         $output .= '</div>';
         $output .= '</form>';
         $output .= '</div>';
     }
     return $output;
 }
 /**
  * Affiliate field info.
  * 
  * user_id - print for ... requires AFFILIATES_ADMIN...
  * name - field name or names, empty includes all by default
  * edit - yes or no
  * load_styles - yes or no
  * 
  * @param array $atts
  * @param string $content
  * @return string
  */
 public static function affiliates_fields($atts, $content = null)
 {
     $output = '';
     if (is_user_logged_in()) {
         $atts = shortcode_atts(array('edit' => 'yes', 'load_styles' => 'yes', 'name' => '', 'user_id' => null), $atts);
         $atts['load_styles'] = strtolower(trim($atts['load_styles']));
         if ($atts['load_styles'] == 'yes') {
             wp_enqueue_style('affiliates-fields');
         }
         $atts['edit'] = strtolower(trim($atts['edit']));
         $fields = null;
         if (!empty($atts['name'])) {
             $fields = array_map('strtolower', array_map('trim', explode(',', $atts['name'])));
         }
         if (current_user_can(AFFILIATES_ADMINISTER_AFFILIATES) && !empty($atts['user_id'])) {
             $user_id = intval(trim($atts['user_id']));
         } else {
             $user_id = get_current_user_id();
         }
         $user = get_user_by('id', $user_id);
         if (affiliates_user_is_affiliate($user_id)) {
             require_once AFFILIATES_CORE_LIB . '/class-affiliates-settings.php';
             require_once AFFILIATES_CORE_LIB . '/class-affiliates-settings-registration.php';
             $registration_fields = Affiliates_Settings_Registration::get_fields();
             if ($atts['edit'] != 'yes') {
                 unset($registration_fields['password']);
             }
             if (!empty($fields)) {
                 $_registration_fields = array();
                 foreach ($fields as $name) {
                     if (isset($registration_fields[$name])) {
                         $_registration_fields[$name] = $registration_fields[$name];
                     }
                 }
                 $registration_fields = $_registration_fields;
             }
             // handle form submission
             if ($atts['edit'] === 'yes') {
                 if (!empty($_POST['affiliate-nonce']) && wp_verify_nonce($_POST['affiliate-nonce'], 'save')) {
                     if (!empty($registration_fields)) {
                         $error = false;
                         // gather field values
                         foreach ($registration_fields as $name => $field) {
                             if ($field['enabled']) {
                                 $value = isset($_POST[$name]) ? $_POST[$name] : '';
                                 $value = Affiliates_Utility::filter($value);
                                 if ($field['required'] && empty($value) && !(is_user_logged_in() && isset($field['type']) && $field['type'] == 'password')) {
                                     $error = true;
                                     $output .= '<div class="error">';
                                     $output .= __('<strong>ERROR</strong>', AFFILIATES_PLUGIN_DOMAIN);
                                     $output .= ' : ';
                                     $output .= sprintf(__('Please fill out the field <em>%s</em>.', AFFILIATES_PLUGIN_DOMAIN), $field['label']);
                                     $output .= '</div>';
                                 }
                                 $registration_fields[$name]['value'] = $value;
                                 // password check
                                 $type = isset($field['type']) ? $field['type'] : 'text';
                                 if ($type == 'password') {
                                     if (!empty($value)) {
                                         $value2 = isset($_POST[$name . '2']) ? $_POST[$name . '2'] : '';
                                         $value2 = Affiliates_Utility::filter($value2);
                                         if ($value !== $value2) {
                                             $error = true;
                                             $output .= '<div class="error">';
                                             $output .= __('<strong>ERROR</strong>', AFFILIATES_PLUGIN_DOMAIN);
                                             $output .= ' : ';
                                             $output .= sprintf(__('The passwords for the field <em>%s</em> do not match.', AFFILIATES_PLUGIN_DOMAIN), $field['label']);
                                             $output .= '</div>';
                                         }
                                     }
                                 }
                             }
                         }
                         $userdata = array();
                         foreach ($registration_fields as $name => $field) {
                             if ($registration_fields[$name]['enabled']) {
                                 $userdata[$name] = $registration_fields[$name]['value'];
                             }
                         }
                         if (!$error) {
                             $updated_user_id = Affiliates_Registration::update_affiliate_user($user_id, $userdata);
                             if (is_wp_error($updated_user_id)) {
                                 $error_messages = implode('<br/>', $updated_user_id->get_error_messages());
                                 if (!empty($error_messages)) {
                                     $output .= '<div class="error">';
                                     $output .= $error_messages;
                                     $output .= '</div>';
                                 }
                             } else {
                                 $output .= '<div class="updated">';
                                 $output .= __('Saved', AFFILIATES_PLUGIN_DOMAIN);
                                 $output .= '</div>';
                             }
                         }
                     }
                 }
             }
             // show form
             $n = 0;
             if (!empty($registration_fields)) {
                 if ($atts['edit'] === 'yes') {
                     $output .= '<form class="affiliates-fields" method="post">';
                     $output .= '<div>';
                 } else {
                     $output .= '<div class="affiliates-fields">';
                     $output .= '<div>';
                 }
                 foreach ($registration_fields as $name => $field) {
                     if ($field['enabled']) {
                         $n++;
                         $output .= '<div class="field">';
                         $output .= '<label>';
                         $output .= esc_html(stripslashes($field['label']));
                         // @todo i18n
                         $type = isset($field['type']) ? $field['type'] : 'text';
                         $extra = $atts['edit'] != 'yes' ? ' readonly="readonly" ' : '';
                         switch ($name) {
                             case 'user_login':
                                 $extra .= ' readonly="readonly" ';
                                 $value = $user->user_login;
                                 break;
                             case 'user_email':
                                 $value = $user->user_email;
                                 break;
                             case 'user_url':
                                 $value = $user->user_url;
                                 break;
                             case 'password':
                                 $value = '';
                                 break;
                             default:
                                 $value = get_user_meta($user_id, $name, true);
                         }
                         $output .= sprintf('<input type="%s" class="%s" name="%s" value="%s" %s %s />', esc_attr($type), 'regular-text ' . esc_attr($name) . ($type != 'password' && $field['required'] ? ' required ' : ''), esc_attr($name), esc_attr(stripslashes($value)), $type != 'password' && $field['required'] ? ' required="required" ' : '', $extra);
                         $output .= '</label>';
                         $output .= '</div>';
                         if ($type == 'password') {
                             // the second passwort field is also not required
                             $output .= '<div class="field">';
                             $output .= '<label>';
                             $output .= sprintf(__('Repeat %s', AFFILIATES_PLUGIN_DOMAIN), esc_html(stripslashes($field['label'])));
                             // @todo i18n
                             $output .= sprintf('<input type="%s" class="%s" name="%s" value="%s" %s %s />', esc_attr($type), 'regular-text ' . esc_attr($name), esc_attr($name . '2'), esc_attr($value), '', $extra);
                             $output .= '</label>';
                             $output .= '</div>';
                         }
                     }
                 }
                 if ($atts['edit'] === 'yes') {
                     $output .= wp_nonce_field('save', 'affiliate-nonce', true, false);
                     $output .= '<div class="save">';
                     $output .= sprintf('<input class="button" type="submit" name="save" value="%s" />', __('Save', AFFILIATES_PLUGIN_DOMAIN));
                     $output .= '</div>';
                     $output .= '</div>';
                     $output .= '</form>';
                 } else {
                     $output .= '</div>';
                     $output .= '</div>';
                 }
             }
         }
     }
     return $output;
 }
 /**
  * Fields:
  * 
  * - first_name
  * - last_name
  * - user_login
  * - email
  * - url
  * 
  * first name + last name => affiliate name
  * 
  * Form options :
  * - terms_post_id
  * - redirect_to
  * - is_widget
  * 
  * @param array $options form options
  * @return string rendered registration form
  */
 static function render_form($options = array())
 {
     $output = '';
     $ext = '';
     // currently not relevant
     if ($is_logged_in = is_user_logged_in()) {
         $user = wp_get_current_user();
         // sanitize_user_object is deprecated in WP 3.3 beta3
         //$user       = sanitize_user_object( $user );
         $first_name = $user->first_name;
         $first_name = sanitize_user_field('first_name', $first_name, $user->ID, 'display');
         $last_name = $user->last_name;
         $last_name = sanitize_user_field('last_name', $last_name, $user->ID, 'display');
         $user_login = $user->user_login;
         $user_login = sanitize_user_field('user_login', $user_login, $user->ID, 'display');
         $email = $user->user_email;
         $email = sanitize_user_field('email', $email, $user->ID, 'display');
         $url = $user->user_url;
         $url = sanitize_user_field('user_url', $url, $user->ID, 'display');
     } else {
         $user = null;
     }
     if ($is_affiliate = affiliates_user_is_affiliate()) {
         $output .= '<div class="affiliates-registration registered">';
         $output .= '<p>';
         $output .= __('You are already registered as an affiliate.', AFFILIATES_PLUGIN_DOMAIN);
         $output .= '</p>';
         if (isset($options['registered_profile_link_url'])) {
             $output .= '<p>';
             $output .= '<a href="' . esc_url($options['registered_profile_link_url']) . '">';
             if (isset($options['registered_profile_link_text'])) {
                 $output .= wp_filter_kses($options['registered_profile_link_text']);
             } else {
                 $output .= __('Access your profile', AFFILIATES_PLUGIN_DOMAIN);
             }
             $output .= '</a>';
             $output .= '</p>';
         }
         $output .= '</div>';
         return $output;
     }
     if (!get_option('aff_registration', get_option('users_can_register', false))) {
         $output .= '<p>' . __('Registration is currently closed.', AFFILIATES_PLUGIN_DOMAIN) . '</p>';
         return $output;
     }
     $method = 'post';
     $action = "";
     $submit_name = 'affiliates-registration-submit';
     $nonce = 'affiliates-registration-nonce';
     $nonce_action = 'affiliates-registration';
     $send = false;
     $first_name_class = ' class="required" ';
     $last_name_class = ' class="required" ';
     $user_login_class = ' class="required" ';
     $email_class = ' class="required" ';
     $url_class = '';
     if (isset($options['terms_post_id'])) {
         $terms_post = get_post($options['terms_post_id']);
         if ($terms_post) {
             $terms_post_link = '<a target="_blank" href="' . esc_url(get_permalink($terms_post->ID)) . '">' . get_the_title($terms_post->ID) . '</a>';
             $terms = sprintf(__('By signing up, you indicate that you have read and agree to the %s.', AFFILIATES_PLUGIN_DOMAIN), $terms_post_link);
         }
     }
     $captcha = '';
     $error = false;
     if (!empty($_POST[$submit_name])) {
         if (!wp_verify_nonce($_POST[$nonce], $nonce_action)) {
             $error = true;
             // fail but don't give clues
         }
         $captcha = $_POST[Affiliates_Utility::get_captcha_field_id()];
         if (!Affiliates_Utility::captcha_validates($captcha)) {
             $error = true;
             // dumbot
         }
         if (!$is_logged_in) {
             $first_name = isset($_POST['first_name']) ? Affiliates_Utility::filter($_POST['first_name']) : '';
             $last_name = isset($_POST['last_name']) ? Affiliates_Utility::filter($_POST['last_name']) : '';
             $user_login = isset($_POST['user_login']) ? Affiliates_Utility::filter($_POST['user_login']) : '';
             $email = isset($_POST['email']) ? Affiliates_Utility::filter($_POST['email']) : '';
             $url = isset($_POST['url']) ? Affiliates_Utility::filter($_POST['url']) : '';
         } else {
             $first_name = $user->first_name;
             $last_name = $user->last_name;
             $user_login = $user->user_login;
             $email = $user->user_email;
             $url = $user->user_url;
         }
         if (empty($first_name)) {
             $first_name_class = ' class="required missing" ';
             $error = true;
         }
         if (empty($last_name)) {
             $last_name_class = ' class="required missing" ';
             $error = true;
         }
         if (empty($user_login)) {
             $user_login_class = ' class="required missing" ';
             $error = true;
         }
         if (empty($email) || !is_email($email)) {
             $email_class = ' class="required missing" ';
             $error = true;
         }
         $error = apply_filters('affiliates_registration_error_validate', $error);
         if (!$error) {
             $userdata = array('first_name' => $first_name, 'last_name' => $last_name, 'user_login' => $user_login, 'email' => $email, 'user_url' => $url);
             // don't try to create a new user on multiple renderings
             global $affiliate_user_id, $new_affiliate_registered;
             if (!isset($affiliate_user_id)) {
                 if (!$is_logged_in) {
                     // allow plugins to be aware of new user account being created
                     do_action('affiliates_before_register_affiliate', $userdata);
                     // create the affiliate user account
                     $affiliate_user_id = self::register_affiliate($userdata);
                     $new_affiliate_registered = true;
                     do_action('affiliates_after_register_affiliate', $userdata);
                 } else {
                     $affiliate_user_id = $user->ID;
                     $new_affiliate_registered = true;
                 }
             }
             // register as affiliate
             if (!is_wp_error($affiliate_user_id)) {
                 // add affiliate entry
                 $send = true;
                 if ($new_affiliate_registered) {
                     $affiliate_id = self::store_affiliate($affiliate_user_id, $userdata);
                     do_action('affiliates_stored_affiliate', $affiliate_id, $affiliate_user_id);
                 }
                 $is_widget = isset($options['is_widget']) && ($options['is_widget'] === true || $options['is_widget'] == 'true');
                 $redirect = isset($options['redirect']) && ($options['redirect'] === true || $options['redirect'] == 'true');
                 $redirect_url = empty($_REQUEST['redirect_to']) ? get_home_url(get_current_blog_id(), 'wp-login.php?checkemail=confirm') : $_REQUEST['redirect_to'];
                 if ($redirect && !$is_widget && !headers_sent()) {
                     wp_safe_redirect($redirect_url);
                     exit;
                 } else {
                     $output .= '<p>' . __('Thanks for signing up!', AFFILIATES_PLUGIN_DOMAIN) . '</p>';
                     if (!$is_logged_in) {
                         $output .= '<p>' . __('Please check your email for the confirmation link.', AFFILIATES_PLUGIN_DOMAIN) . '</p>';
                         if ($redirect && !$is_widget) {
                             $output .= '<script type="text/javascript">window.location="' . esc_url($redirect_url) . '";</script>';
                         } else {
                             $output .= '<p>' . sprintf(__('Log in <a href="%s">here</a>.', AFFILIATES_PLUGIN_DOMAIN), get_home_url(get_current_blog_id(), 'wp-login.php?checkemail=confirm')) . '</p>';
                         }
                     } else {
                         if (isset($options['registered_profile_link_url'])) {
                             $output .= '<p>';
                             $output .= '<a href="' . esc_url($options['registered_profile_link_url']) . '">';
                             if (isset($options['registered_profile_link_text'])) {
                                 $output .= wp_filter_kses($options['registered_profile_link_text']);
                             } else {
                                 $output .= __('Access your profile', AFFILIATES_PLUGIN_DOMAIN);
                             }
                             $output .= '</a>';
                             $output .= '</p>';
                         }
                     }
                 }
             } else {
                 $error = true;
                 $wp_error = $affiliate_user_id;
                 if ($wp_error->get_error_code()) {
                     $errors = '';
                     $messages = '';
                     foreach ($wp_error->get_error_codes() as $code) {
                         switch ($code) {
                             case 'empty_username':
                             case 'invalid_username':
                             case 'username_exists':
                                 $user_login_class = ' class="required missing" ';
                                 break;
                             case 'empty_email':
                             case 'invalid_email':
                             case 'email_exists':
                                 $email_class = ' class="required missing" ';
                                 break;
                         }
                         $severity = $wp_error->get_error_data($code);
                         foreach ($wp_error->get_error_messages($code) as $error) {
                             if ('message' == $severity) {
                                 $messages .= '	' . $error . "<br />\n";
                             } else {
                                 $errors .= '	' . $error . "<br />\n";
                             }
                         }
                     }
                     if (!empty($errors)) {
                         echo '<div id="login_error">' . apply_filters('login_errors', $errors) . "</div>\n";
                     }
                     if (!empty($messages)) {
                         echo '<p class="message">' . apply_filters('login_messages', $messages) . "</p>\n";
                     }
                 }
             }
         }
     } else {
         if (!$is_logged_in) {
             $first_name = '';
             $last_name = '';
             $user_login = '';
             $email = '';
             $url = '';
         }
     }
     if (!$send) {
         $output .= '<div class="affiliates-registration" id="affiliates-registration' . $ext . '">';
         $output .= '<img id="affiliates-registration-throbber' . $ext . '" src="' . AFFILIATES_PLUGIN_URL . 'images/affiliates-throbber.gif" style="display:none" />';
         $output .= '<form id="affiliates-registration-form' . $ext . '" action="' . $action . '" method="' . $method . '">';
         $output .= '<div>';
         $field_disabled = "";
         if ($is_logged_in) {
             $field_disabled = ' disabled="disabled" ';
             if (empty($first_name) || empty($last_name)) {
                 $output .= '<p>';
                 $output .= sprintf(__('<p>Please fill in the required information in your <a href="%s">profile</a> first.</p>'), esc_url(admin_url("profile.php")));
                 $output .= '</p>';
             }
         }
         $output .= apply_filters('affiliates_registration_before_fields', '');
         $output .= '<label ' . $first_name_class . ' id="affiliates-registration-form' . $ext . '-first-name-label" for="first_name">' . __('First Name', AFFILIATES_PLUGIN_DOMAIN) . '</label>';
         $output .= '<input ' . $field_disabled . ' id="affiliates-registration-form' . $ext . '-first-name" name="first_name" type="text" value="' . esc_attr($first_name) . '"/>';
         $output .= '<label ' . $last_name_class . ' id="affiliates-registration-form' . $ext . '-last-name-label" for="last_name">' . __('Last Name', AFFILIATES_PLUGIN_DOMAIN) . '</label>';
         $output .= '<input ' . $field_disabled . ' id="affiliates-registration-form' . $ext . '-last-name" name="last_name" type="text" value="' . esc_attr($last_name) . '"/>';
         $output .= '<label ' . $user_login_class . ' id="affiliates-registration-form' . $ext . '-user-login-label" for="user_login">' . __('Username', AFFILIATES_PLUGIN_DOMAIN) . '</label>';
         $output .= '<input ' . $field_disabled . ' id="affiliates-registration-form' . $ext . '-user-login" name="user_login" type="text" value="' . esc_attr($user_login) . '"/>';
         $output .= '<label ' . $email_class . ' id="affiliates-registration-form' . $ext . '-email-label" for="email">' . __('Email', AFFILIATES_PLUGIN_DOMAIN) . '</label>';
         $output .= '<input ' . $field_disabled . ' id="affiliates-registration-form' . $ext . '-email" name="email" type="text" value="' . esc_attr($email) . '"/>';
         $output .= '<label ' . $url_class . ' id="affiliates-registration-form' . $ext . '-url-label" for="url">' . __('Website', AFFILIATES_PLUGIN_DOMAIN) . '</label>';
         $output .= '<input ' . $field_disabled . ' id="affiliates-registration-form' . $ext . '-url" name="url" type="text" value="' . esc_attr($url) . '"/>';
         $output .= apply_filters('affiliates_registration_after_fields', '');
         if (isset($terms)) {
             $output .= '<p class="terms">' . $terms . '</p>';
         }
         $output .= Affiliates_Utility::captcha_get($captcha);
         $output .= wp_nonce_field($nonce_action, $nonce, true, false);
         if (isset($options['redirect_to'])) {
             $output .= '<input type="hidden" name="redirect_to" value="' . esc_url($options['redirect_to']) . '" />';
         }
         $output .= '<input type="submit" name="' . $submit_name . '" value="' . self::$submit_button_label . '" />';
         $output .= '</div>';
         $output .= '</form>';
         $output .= '</div>';
     }
     return $output;
 }