<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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// phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files.

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use Automattic\Jetpack\Assets;

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* Jetpack_Subscriptions_Widget main view class.

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*/

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class Jetpack_Subscriptions_Widget extends WP_Widget {

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const ID_BASE = 'blog_subscription';

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/**

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* Track number of rendered Subscription widgets. The count is used for class names and widget IDs.

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*

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* @var int

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*/

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public static $instance_count = 0;

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/**

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* When printing the submit button, what tags are allowed.

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*

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* @var array

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*/

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public static $allowed_html_tags_for_submit_button = array(

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'br' => array(),

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's' => array(),

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'strong' => array(),

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'em' => array(),

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);

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/**

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* Use this variable when printing the message after submitting an email in subscription widgets

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*

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* @var array what tags are allowed

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*/

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public static $allowed_html_tags_for_message = array(

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'a' => array(

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'href' => array(),

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'title' => array(),

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'rel' => array(),

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'target' => array(),

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),

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'br' => array(),

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);

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/**

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* Jetpack_Subscriptions_Widget constructor.

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*/

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public function __construct() {

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$widget_ops = array(

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'classname' => 'widget_blog_subscription jetpack_subscription_widget',

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'description' => __( 'Add an email signup form to allow people to subscribe to your blog.', 'jetpack' ),

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'customize_selective_refresh' => true,

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'show_instance_in_rest' => true,

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);

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$name = self::is_jetpack() ?

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/** This filter is documented in modules/widgets/facebook-likebox.php */

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apply_filters( 'jetpack_widget_name', __( 'Blog Subscriptions', 'jetpack' ) ) :

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__( 'Follow Blog', 'jetpack' );

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parent::__construct(

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'blog_subscription',

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$name,

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$widget_ops

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);

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if (

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self::is_jetpack()

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&& (

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is_active_widget( false, false, $this->id_base ) ||

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is_active_widget( false, false, 'monster' ) ||

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is_customize_preview()

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)

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&& ! wp_is_block_theme()

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) {

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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) );

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}

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add_filter( 'widget_types_to_hide_from_legacy_widget_block', array( $this, 'hide_widget_in_block_editor' ) );

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}

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/**

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* Remove the "Blog Subscription" widget from the Legacy Widget block

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*

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* @param array $widget_types List of widgets that are currently removed from the Legacy Widget block.

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* @return array $widget_types New list of widgets that will be removed.

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*/

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public function hide_widget_in_block_editor( $widget_types ) {

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$widget_types[] = self::ID_BASE;

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return $widget_types;

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}

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/**

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* Enqueue the form's CSS.

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*

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* @since 4.5.0

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*/

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public function enqueue_style() {

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$path = Assets::get_file_url_for_environment(

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'_inc/build/subscriptions/subscriptions.min.css',

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'modules/subscriptions/subscriptions.css'

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);

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wp_enqueue_style(

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'jetpack-subscriptions',

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$path,

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array(),

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JETPACK__VERSION

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);

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wp_style_add_data( 'jetpack-subscriptions', 'path', $path );

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}

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/**

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* Renders a full widget either within the context of WordPress widget, or in response to a shortcode.

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*

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* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'.

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* @param array $instance The settings for the particular instance of the widget.

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*/

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public function widget( $args, $instance ) {

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if ( self::is_wpcom() && ! self::wpcom_has_status_message() && self::is_current_user_subscribed() ) {

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return null;

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}

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// Enqueue styles.

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self::enqueue_style();

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if ( self::is_jetpack() &&

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/** This filter is documented in \Automattic\Jetpack\Forms\ContactForm\Contact_Form */

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false === apply_filters( 'jetpack_auto_fill_logged_in_user', false )

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) {

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$subscribe_email = '';

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} else {

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$current_user = wp_get_current_user();

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if ( ! empty( $current_user->user_email ) ) {

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$subscribe_email = esc_attr( $current_user->user_email );

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} else {

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$subscribe_email = '';

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}

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}

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$stats_action = self::is_jetpack() ? 'jetpack_subscriptions' : 'follow_blog';

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/** This action is documented in modules/widgets/gravatar-profile.php */

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do_action( 'jetpack_stats_extra', 'widget_view', $stats_action );

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$after_widget = isset( $args['after_widget'] ) ? $args['after_widget'] : '';

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$before_widget = isset( $args['before_widget'] ) ? $args['before_widget'] : '';

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$instance = wp_parse_args( (array) $instance, static::defaults() );

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echo $before_widget; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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++self::$instance_count;

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self::render_widget_title( $args, $instance );

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self::render_widget_status_messages( $instance );

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self::render_widget_subscription_form( $args, $instance, $subscribe_email );

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echo "\n" . $after_widget; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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}

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/**

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* Prints the widget's title. If show_only_email_and_button is true, we will not show a title.

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*

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* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'.

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* @param array $instance The settings for the particular instance of the widget.

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*/

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public static function render_widget_title( $args, $instance ) {

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$show_only_email_and_button = $instance['show_only_email_and_button'];

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$before_title = isset( $args['before_title'] ) ? $args['before_title'] : '';

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$after_title = isset( $args['after_title'] ) ? $args['after_title'] : '';

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if ( self::is_wpcom() && ! $show_only_email_and_button ) {

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if ( self::is_current_user_subscribed() ) {

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if ( ! empty( $instance['title_following'] ) ) {

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printf(

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'%1$s<label for="subscribe-field%2$s">%3$s</label>%4$s%5$s',

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$before_title, // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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( self::$instance_count > 1 ? '-' . (int) self::$instance_count : '' ),

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esc_html( $instance['title_following'] ),

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$after_title, // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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"\n"

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);

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}

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} elseif ( ! empty( $instance['title'] ) ) {

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printf(

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'%1$s<label for="subscribe-field%2$s">%3$s</label>%4$s%5$s',

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$before_title, // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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( self::$instance_count > 1 ? '-' . (int) self::$instance_count : '' ),

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esc_html( $instance['title'] ),

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$after_title, // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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"\n"

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);

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}

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}

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if ( self::is_jetpack() && empty( $instance['show_only_email_and_button'] ) ) {

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printf(

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'%1$s%2$s%3$s%4$s',

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$before_title, // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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esc_html( $instance['title'] ),

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$after_title, // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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"\n"

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);

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}

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}

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/**

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* Prints the subscription block's status messages after someone has attempted to subscribe.

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* Either a success message or an error message.

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*

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* @param array $instance The settings for the particular instance of the widget.

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*/

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public static function render_widget_status_messages( $instance ) {

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if ( self::is_jetpack() && isset( $_GET['subscribe'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Non-sensitive informational output.

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$success_message = isset( $instance['success_message'] ) ? stripslashes( $instance['success_message'] ) : '';

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$subscribers_total = self::fetch_subscriber_count();

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switch ( $_GET['subscribe'] ) : // phpcs:ignore WordPress.Security.NonceVerification.Recommended

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case 'invalid_email':

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?>

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<p class="error"><?php esc_html_e( 'Oops! The email you used is invalid. Please try again.', 'jetpack' ); ?></p>

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<?php

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break;

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case 'opted_out':

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?>

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<p class="error">

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<?php

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printf(

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wp_kses(

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/* translators: 1: Link to Subscription Management page https://subscribe.wordpress.com/, 2: Description of this link. */

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__( 'Oops! It seems that the email you used has opted out of subscriptions. You can manage your preferences from the <a href="%1$s" title="%2$s" target="_blank">Subscriptions Manager</a>', 'jetpack' ),

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self::$allowed_html_tags_for_message

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),

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'https://subscribe.wordpress.com/',

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esc_attr__( 'Subscriptions Manager', 'jetpack' )

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);

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?>

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</p>

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<?php

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break;

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case 'already':

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?>

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<p class="error">

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<?php

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printf(

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wp_kses(

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/* translators: 1: Link to Subscription Management page https://subscribe.wordpress.com/, 2: Description of this link. */

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__( 'You have already subscribed to this site. Please check your email inbox. You can manage your preferences from the <a href="%1$s" title="%2$s" target="_blank">Subscriptions Manager</a>.', 'jetpack' ),

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self::$allowed_html_tags_for_message

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),

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'https://subscribe.wordpress.com/',

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esc_attr__( 'Subscriptions Manager', 'jetpack' )

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);

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?>

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</p>

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<?php

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break;

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case 'many_pending_subs':

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?>

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<p class="error">

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<?php

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printf(

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wp_kses(

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/* translators: 1: Link to Subscription Management page https://subscribe.wordpress.com/, 2: Description of this link */

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__( 'Oops! It seems you have several subscriptions pending confirmation. You can confirm or unsubscribe some from the <a href="%1$s" title="%2$s" target="_blank" rel="noopener noreferrer">Subscriptions Manager</a> before adding more.', 'jetpack' ),

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self::$allowed_html_tags_for_message

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),

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'https://subscribe.wordpress.com/',

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esc_attr__( 'Subscriptions Manager', 'jetpack' )

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);

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?>

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</p>

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<?php

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break;

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case 'pending':

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?>

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<p class="error">

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<?php

[284] Fix | Delete

printf(

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wp_kses(

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/* translators: 1: Link to Subscription Management page https://subscribe.wordpress.com/, 2: Description of this link */

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__( 'It seems you already tried to subscribe with this email, but have not confirmed from the email link we sent. Please check your email inbox to confirm or you can manage your preferences from the <a href="%1$s" title="%2$s" target="_blank" rel="noopener noreferrer">Subscriptions Manager</a>.', 'jetpack' ),

[288] Fix | Delete

self::$allowed_html_tags_for_message

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),

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'https://subscribe.wordpress.com/',

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esc_attr__( 'Subscriptions Manager', 'jetpack' )

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);

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?>

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</p>

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<?php

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break;

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case 'success':

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?>

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<div class="success"><?php echo wp_kses( wpautop( str_replace( '[total-subscribers]', number_format_i18n( $subscribers_total ), $success_message ) ), 'post' ); ?></div>

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<?php

[301] Fix | Delete

break;

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default:

[303] Fix | Delete

?>

[304] Fix | Delete

<p class="error"><?php esc_html_e( 'Oops! There was an error when subscribing. Please try again.', 'jetpack' ); ?></p>

[305] Fix | Delete

<?php

[306] Fix | Delete

break;

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endswitch;

[308] Fix | Delete

}

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[310] Fix | Delete

if ( self::is_wpcom() && self::wpcom_has_status_message() ) {

[311] Fix | Delete

global $themecolors;

[312] Fix | Delete

$message = '';

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[314] Fix | Delete

switch ( $_GET['blogsub'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotValidated

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case 'confirming':

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$message = __( 'Thank you! You can now check your email to confirm your subscription.', 'jetpack' );

[317] Fix | Delete

break;

[318] Fix | Delete

case 'blocked':

[319] Fix | Delete

$message = __( 'Sorry but this email has been blocked for this subscription. <a href="https://en.support.wordpress.com/contact/">Contact us</a> if needed.', 'jetpack' );

[320] Fix | Delete

break;

[321] Fix | Delete

case 'flooded':

[322] Fix | Delete

$message = __( 'Oops! It seems you have several subscriptions pending confirmation. You can confirm or unsubscribe some from the <a href="https://subscribe.wordpress.com/">Subscriptions Manager</a> before adding more.', 'jetpack' );

[323] Fix | Delete

break;

[324] Fix | Delete

case 'spammed':

[325] Fix | Delete

/* translators: %s is a URL */

[326] Fix | Delete

$message = sprintf( __( 'Sorry but this email has been blocked. It has too many subscriptions pending confirmation. Please confirm or unsubscribe some from the <a href="%s">Subscriptions Manager</a>.', 'jetpack' ), 'https://subscribe.wordpress.com/' );

[327] Fix | Delete

break;

[328] Fix | Delete

case 'subscribed':

[329] Fix | Delete

$message = __( 'Hey! You were already subscribed.', 'jetpack' );

[330] Fix | Delete

break;

[331] Fix | Delete

case 'pending':

[332] Fix | Delete

$message = __( 'It seems you already tried to subscribe. We just sent you another email so you can confirm the subscription.', 'jetpack' );

[333] Fix | Delete

break;

[334] Fix | Delete

case 'confirmed':

[335] Fix | Delete

$message = __( 'Cool! You are now subscribed. Now you can check your email for more details and how to manage the subscription.', 'jetpack' );

[336] Fix | Delete

break;

[337] Fix | Delete

}

[338] Fix | Delete

[339] Fix | Delete

$border_color = isset( $themecolors['border'] ) ? " #{$themecolors['border']}" : '';

[340] Fix | Delete

[341] Fix | Delete

$redirect_fragment = self::get_redirect_fragment();

[342] Fix | Delete

printf(

[343] Fix | Delete

'<div id="%1$s" class="jetpack-sub-notification">%3$s</div>',

[344] Fix | Delete

esc_attr( $redirect_fragment ),

[345] Fix | Delete

esc_attr( $border_color ),

[346] Fix | Delete

wp_kses_post( $message )

[347] Fix | Delete

);

[348] Fix | Delete

}

[349] Fix | Delete

}

[350] Fix | Delete

[351] Fix | Delete

/**

[352] Fix | Delete

* Generates the redirect fragment used after form submission.

[353] Fix | Delete

*

[354] Fix | Delete

* @param string $id is the specific id that will appear in the redirect fragment. If none is provided self::$instance_count will be used.

[355] Fix | Delete

*/

[356] Fix | Delete

protected static function get_redirect_fragment( $id = null ) {

[357] Fix | Delete

if ( $id === null ) {

[358] Fix | Delete

return 'subscribe-blog' . ( self::$instance_count > 1 ? '-' . self::$instance_count : '' );

[359] Fix | Delete

}

[360] Fix | Delete

[361] Fix | Delete

return 'subscribe-blog-' . $id;

[362] Fix | Delete

}

[363] Fix | Delete

[364] Fix | Delete

/**

[365] Fix | Delete

* Renders a form allowing folks to subscribe to the blog.

[366] Fix | Delete

*

[367] Fix | Delete

* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'.

[368] Fix | Delete

* @param array $instance The settings for the particular instance of the widget.

[369] Fix | Delete

* @param string $subscribe_email The email to use to prefill the form.

[370] Fix | Delete

*/

[371] Fix | Delete

public static function render_widget_subscription_form( $args, $instance, $subscribe_email ) {

[372] Fix | Delete

$show_only_email_and_button = $instance['show_only_email_and_button'];

[373] Fix | Delete

$show_subscribers_total = (bool) $instance['show_subscribers_total'];

[374] Fix | Delete

$subscribers_total = self::fetch_subscriber_count();

[375] Fix | Delete

$subscribe_text = empty( $instance['show_only_email_and_button'] ) ?

[376] Fix | Delete

wp_kses_post( stripslashes( $instance['subscribe_text'] ) ) :

[377] Fix | Delete

false;

[378] Fix | Delete

$referer = esc_url_raw( ( is_ssl() ? 'https' : 'http' ) . '://' . ( isset( $_SERVER['HTTP_HOST'] ) ? wp_unslash( $_SERVER['HTTP_HOST'] ) : '' ) . ( isset( $_SERVER['REQUEST_URI'] ) ? wp_unslash( $_SERVER['REQUEST_URI'] ) : '' ) );

[379] Fix | Delete

$source = 'widget';

[380] Fix | Delete

$widget_id = ! empty( $args['widget_id'] ) ? $args['widget_id'] : self::$instance_count;

[381] Fix | Delete

$subscribe_button = ! empty( $instance['submit_button_text'] ) ? $instance['submit_button_text'] : $instance['subscribe_button'];

[382] Fix | Delete

$subscribe_placeholder = isset( $instance['subscribe_placeholder'] ) ? stripslashes( $instance['subscribe_placeholder'] ) : '';

[383] Fix | Delete

$submit_button_classes = isset( $instance['submit_button_classes'] ) ? 'wp-block-button__link ' . $instance['submit_button_classes'] : 'wp-block-button__link';

[384] Fix | Delete

$submit_button_styles = isset( $instance['submit_button_styles'] ) ? $instance['submit_button_styles'] : '';

[385] Fix | Delete

$submit_button_wrapper_styles = isset( $instance['submit_button_wrapper_styles'] ) ? $instance['submit_button_wrapper_styles'] : '';

[386] Fix | Delete

$email_field_classes = isset( $instance['email_field_classes'] ) ? $instance['email_field_classes'] : '';

[387] Fix | Delete

$email_field_styles = isset( $instance['email_field_styles'] ) ? $instance['email_field_styles'] : '';

[388] Fix | Delete

[389] Fix | Delete

// We need to include those in case Jetpack blocks are disabled

[390] Fix | Delete

require_once JETPACK__PLUGIN_DIR . 'modules/memberships/class-jetpack-memberships.php';

[391] Fix | Delete

require_once JETPACK__PLUGIN_DIR . 'extensions/blocks/premium-content/_inc/subscription-service/include.php';

[392] Fix | Delete

$post_access_level = \Jetpack_Memberships::get_post_access_level();

[393] Fix | Delete

[394] Fix | Delete

if ( self::is_wpcom() && ! self::wpcom_has_status_message() ) {

[395] Fix | Delete

global $current_blog;

[396] Fix | Delete

[397] Fix | Delete

$url = defined( 'SUBSCRIBE_BLOG_URL' ) ? SUBSCRIBE_BLOG_URL : '';

[398] Fix | Delete

$form_id = self::get_redirect_fragment();

[399] Fix | Delete

?>

[400] Fix | Delete

[401] Fix | Delete

<div class="wp-block-jetpack-subscriptions__container">

[402] Fix | Delete

<form

[403] Fix | Delete

action="<?php echo esc_url( $url ); ?>"

[404] Fix | Delete

method="post"

[405] Fix | Delete

accept-charset="utf-8"

[406] Fix | Delete

data-blog="<?php echo esc_attr( get_current_blog_id() ); ?>"

[407] Fix | Delete

data-post_access_level="<?php echo esc_attr( $post_access_level ); ?>"

[408] Fix | Delete

id="<?php echo esc_attr( $form_id ); ?>"

[409] Fix | Delete

>

[410] Fix | Delete

<?php

[411] Fix | Delete

if ( ! $show_only_email_and_button ) {

[412] Fix | Delete

// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

[413] Fix | Delete

echo wpautop( $subscribe_text );

[414] Fix | Delete

}

[415] Fix | Delete

$email_field_id = 'subscribe-field';

[416] Fix | Delete

$email_field_id .= self::$instance_count > 1

[417] Fix | Delete

? '-' . self::$instance_count

[418] Fix | Delete

: '';

[419] Fix | Delete

$label_field_id = $email_field_id . '-label';

[420] Fix | Delete

?>

[421] Fix | Delete

<p id="subscribe-email">

[422] Fix | Delete

<label

[423] Fix | Delete

id="<?php echo esc_attr( $label_field_id ); ?>"

[424] Fix | Delete

for="<?php echo esc_attr( $email_field_id ); ?>"

[425] Fix | Delete

class="screen-reader-text"

[426] Fix | Delete

>

[427] Fix | Delete

<?php echo esc_html__( 'Email Address:', 'jetpack' ); ?>

[428] Fix | Delete

</label>

[429] Fix | Delete

[430] Fix | Delete

<?php

[431] Fix | Delete

printf(

[432] Fix | Delete

'<input

[433] Fix | Delete

type="email"

[434] Fix | Delete

name="email"

[435] Fix | Delete

%1$s

[436] Fix | Delete

style="%2$s"

[437] Fix | Delete

placeholder="%3$s"

[438] Fix | Delete

value=""

[439] Fix | Delete

id="%4$s"

[440] Fix | Delete

required

[441] Fix | Delete

/>',

[442] Fix | Delete

( ! empty( $email_field_classes )

[443] Fix | Delete

? 'class="' . esc_attr( $email_field_classes ) . '"'

[444] Fix | Delete

: ''

[445] Fix | Delete

),

[446] Fix | Delete

( ! empty( $email_field_styles )

[447] Fix | Delete

? esc_attr( $email_field_styles )

[448] Fix | Delete

: 'width: 95%; padding: 1px 10px'

[449] Fix | Delete

),

[450] Fix | Delete

( empty( $subscribe_placeholder ) ? esc_attr__( 'Enter your email address', 'jetpack' ) : esc_attr( $subscribe_placeholder ) ),

[451] Fix | Delete

esc_attr( $email_field_id )

[452] Fix | Delete

);

[453] Fix | Delete

?>

[454] Fix | Delete

</p>

[455] Fix | Delete

[456] Fix | Delete

<p id="subscribe-submit"

[457] Fix | Delete

<?php if ( ! empty( $submit_button_wrapper_styles ) ) { ?>

[458] Fix | Delete

style="<?php echo esc_attr( $submit_button_wrapper_styles ); ?>"

[459] Fix | Delete

<?php } ?>

[460] Fix | Delete

>

[461] Fix | Delete

<input type="hidden" name="action" value="subscribe"/>

[462] Fix | Delete

<input type="hidden" name="blog_id" value="<?php echo (int) $current_blog->blog_id; ?>"/>

[463] Fix | Delete

<input type="hidden" name="source" value="<?php echo esc_url( $referer ); ?>"/>

[464] Fix | Delete

<input type="hidden" name="sub-type" value="<?php echo esc_attr( $source ); ?>"/>

[465] Fix | Delete

<input type="hidden" name="redirect_fragment" value="<?php echo esc_attr( $form_id ); ?>"/>

[466] Fix | Delete

<?php wp_nonce_field( 'blogsub_subscribe_' . $current_blog->blog_id, '_wpnonce', false ); ?>

[467] Fix | Delete

<button type="submit"

[468] Fix | Delete

<?php if ( ! empty( $submit_button_classes ) ) { ?>

[469] Fix | Delete

class="<?php echo esc_attr( $submit_button_classes ); ?>"

[470] Fix | Delete

<?php } ?>

[471] Fix | Delete

<?php if ( ! empty( $submit_button_styles ) ) { ?>

[472] Fix | Delete

style="<?php echo esc_attr( $submit_button_styles ); ?>"

[473] Fix | Delete

<?php } ?>

[474] Fix | Delete

>

[475] Fix | Delete

<?php

[476] Fix | Delete

echo wp_kses(

[477] Fix | Delete

html_entity_decode( $subscribe_button, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 ),

[478] Fix | Delete

self::$allowed_html_tags_for_submit_button

[479] Fix | Delete

);

[480] Fix | Delete

?>

[481] Fix | Delete

</button>

[482] Fix | Delete

</p>

[483] Fix | Delete

</form>

[484] Fix | Delete

<?php if ( $show_subscribers_total && $subscribers_total > 0 ) { ?>

[485] Fix | Delete

<div class="wp-block-jetpack-subscriptions__subscount">

[486] Fix | Delete

<?php

[487] Fix | Delete

echo esc_html( Jetpack_Memberships::get_join_others_text( $subscribers_total ) );

[488] Fix | Delete

?>

[489] Fix | Delete

</div>

[490] Fix | Delete

<?php } ?>

[491] Fix | Delete

</div>

[492] Fix | Delete

<?php

[493] Fix | Delete

}

[494] Fix | Delete

[495] Fix | Delete

if ( self::is_jetpack() ) {

[496] Fix | Delete

/**

[497] Fix | Delete

* Filter the subscription form's ID prefix.

[498] Fix | Delete

*

[499] Fix | Delete