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<?php |
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class Jetpack_Subscriptions_Widget extends WP_Widget { |
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static $instance_count = 0; |
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function __construct() { |
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$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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); |
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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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View Code Duplication |
if ( 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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) { |
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) ); |
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} |
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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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function enqueue_style() { |
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wp_register_style( |
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'jetpack-subscriptions', |
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plugins_url( 'subscriptions.css', __FILE__ ), |
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array(), |
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JETPACK__VERSION |
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); |
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wp_enqueue_style( 'jetpack-subscriptions' ); |
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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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function widget( $args, $instance ) { |
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if ( self::is_jetpack() && |
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/** This filter is documented in modules/contact-form/grunion-contact-form.php */ |
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false === apply_filters( 'jetpack_auto_fill_logged_in_user', false ) |
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) { |
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$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, $this->defaults() ); |
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echo $before_widget; |
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Jetpack_Subscriptions_Widget::$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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if ( self::is_current_user_subscribed() ) { |
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self::render_widget_already_subscribed( $instance ); |
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} else { |
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self::render_widget_subscription_form( $args, $instance, $subscribe_email ); |
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} |
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echo "\n" . $after_widget; |
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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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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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View Code Duplication |
if ( ! empty( $instance['title_following'] ) ) { |
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echo $before_title . '<label for="subscribe-field' . ( Jetpack_Subscriptions_Widget::$instance_count > 1 ? '-' . Jetpack_Subscriptions_Widget::$instance_count : '' ) . '">' . esc_attr( $instance['title_following'] ) . '</label>' . $after_title . "\n"; |
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} |
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View Code Duplication |
} else { |
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if ( ! empty( $instance['title'] ) ) { |
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echo $before_title . '<label for="subscribe-field' . ( Jetpack_Subscriptions_Widget::$instance_count > 1 ? '-' . Jetpack_Subscriptions_Widget::$instance_count : '' ) . '">' . esc_attr( $instance['title'] ) . '</label>' . $after_title . "\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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echo $args['before_title'] . esc_attr( $instance['title'] ) . $args['after_title'] . "\n"; |
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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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static function render_widget_status_messages( $instance ) { |
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if ( self::is_jetpack() && isset( $_GET['subscribe'] ) ) { |
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$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 ( $_GET['subscribe'] ) : |
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case 'invalid_email' : ?> |
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<p class="error"><?php esc_html_e( 'The email you entered was invalid. Please check and try again.', 'jetpack' ); ?></p> |
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<?php break; |
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case 'opted_out' : ?> |
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<p class="error"><?php printf( __( 'The email address has opted out of subscription emails. <br /> You can manage your preferences at <a href="%1$s" title="%2$s" target="_blank">subscribe.wordpress.com</a>', 'jetpack' ), |
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'https://subscribe.wordpress.com/', |
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__( 'Manage your email preferences.', 'jetpack' ) |
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); ?></p> |
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<?php break; |
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case 'already' : ?> |
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<p class="error"><?php printf( __( 'You have already subscribed to this site. Please check your inbox. <br /> You can manage your preferences at <a href="%1$s" title="%2$s" target="_blank">subscribe.wordpress.com</a>', 'jetpack' ), |
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'https://subscribe.wordpress.com/', |
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__( 'Manage your email preferences.', 'jetpack' ) |
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); ?></p> |
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<?php break; |
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case 'success' : ?> |
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<div class="success"><?php echo wpautop( str_replace( '[total-subscribers]', number_format_i18n( $subscribers_total['value'] ), $success_message ) ); ?></div> |
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<?php break; |
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default : ?> |
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<p class="error"><?php esc_html_e( 'There was an error when subscribing. Please try again.', 'jetpack' ); ?></p> |
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<?php break; |
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endswitch; |
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} |
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if ( self::is_wpcom() && self::wpcom_has_status_message() ) { |
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global $themecolors; |
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switch ( $_GET['blogsub'] ) { |
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View Code Duplication |
case 'confirming': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
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_e( 'Thanks for subscribing! You’ll get an email with a link to confirm your subscription. If you don’t get it, please <a href="http://en.support.wordpress.com/contact/">contact us</a>.' ); |
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echo "</div>"; |
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break; |
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View Code Duplication |
case 'blocked': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
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_e( 'Subscriptions have been blocked for this email address.' ); |
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echo "</div>"; |
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break; |
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View Code Duplication |
case 'flooded': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
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_e( 'You already have several pending email subscriptions. Approve or delete a few through your <a href="https://subscribe.wordpress.com/">Subscription Manager</a> before attempting to subscribe to more blogs.' ); |
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echo "</div>"; |
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break; |
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case 'spammed': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
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echo wp_kses_post( sprintf( __( 'Because there are many pending subscriptions for this email address, we have blocked the subscription. Please <a href="%s">activate or delete</a> pending subscriptions before attempting to subscribe.' ), 'https://subscribe.wordpress.com/' ) ); |
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echo "</div>"; |
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break; |
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View Code Duplication |
case 'subscribed': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
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_e( 'You’re already subscribed to this site.' ); |
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echo "</div>"; |
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break; |
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View Code Duplication |
case 'pending': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
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_e( 'You have a pending subscription already; we just sent you another email. Click the link or <a href="http://en.support.wordpress.com/contact/">contact us</a> if you don’t receive it.' ); |
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echo "</div>"; |
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break; |
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View Code Duplication |
case 'confirmed': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
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_e( 'Congrats, you’re subscribed! You’ll get an email with the details of your subscription and an unsubscribe link.' ); |
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echo "</div>"; |
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break; |
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} |
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} |
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} |
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/** |
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* Renders a message to folks who are already subscribed. |
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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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* @return void |
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*/ |
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static function render_widget_already_subscribed( $instance ) { |
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if ( self::is_wpcom() ) { |
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$subscribers_total = self::fetch_subscriber_count(); |
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$edit_subs_url = 'https://wordpress.com/following/edit/'; |
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if ( function_exists( 'localized_wpcom_url' ) ) { |
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$edit_subs_url = localized_wpcom_url( http() . '://wordpress.com/following/edit/', get_user_locale() ); |
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} |
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$show_subscribers_total = (bool) $instance['show_subscribers_total']; |
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if ( $show_subscribers_total && $subscribers_total > 1 ) : |
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$subscribers_not_me = $subscribers_total - 1; |
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/* translators: %s: number of folks following the blog */ |
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?> |
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<p><?php printf( _n( 'You are following this blog, along with %s other amazing person (<a href="%s">manage</a>).', 'You are following this blog, along with %s other amazing people (<a href="%s">manage</a>).', $subscribers_not_me ), number_format_i18n( $subscribers_not_me ), $edit_subs_url ) ?></p><?php |
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else : |
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?> |
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<p><?php printf( __( 'You are following this blog (<a href="%s">manage</a>).' ), $edit_subs_url ) ?></p><?php |
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endif; |
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} |
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} |
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/** |
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* Renders a form allowing folks to subscribe to the blog. |
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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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* @param string $subscribe_email The email to use to prefill the form. |
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*/ |
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static function render_widget_subscription_form( $args, $instance, $subscribe_email ) { |
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$show_only_email_and_button = $instance['show_only_email_and_button']; |
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$subscribe_logged_in = isset( $instance['subscribe_logged_in'] ) ? stripslashes( $instance['subscribe_logged_in'] ) : ''; |
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$show_subscribers_total = (bool) $instance['show_subscribers_total']; |
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$subscribe_text = empty( $instance['show_only_email_and_button'] ) ? |
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stripslashes( $instance['subscribe_text'] ) : |
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false; |
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$referer = ( is_ssl() ? 'https' : 'http' ) . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
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$source = 'widget'; |
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$widget_id = esc_attr( ! empty( $args['widget_id'] ) ? esc_attr( $args['widget_id'] ) : mt_rand( 450, 550 ) ); |
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$subscribe_button = ! empty( $instance['submit_button_text'] ) ? $instance['submit_button_text'] : $instance['subscribe_button']; |
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$subscribers_total = self::fetch_subscriber_count(); |
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$subscribe_placeholder = isset( $instance['subscribe_placeholder'] ) ? stripslashes( $instance['subscribe_placeholder'] ) : ''; |
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$submit_button_classes = isset( $instance['submit_button_classes'] ) ? $instance['submit_button_classes'] : ''; |
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$submit_button_styles = isset( $instance['submit_button_styles'] ) ? $instance['submit_button_styles'] : ''; |
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if ( self::is_wpcom() && ! self::wpcom_has_status_message() ) { |
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global $current_blog; |
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$url = defined( 'SUBSCRIBE_BLOG_URL' ) ? SUBSCRIBE_BLOG_URL : ''; |
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?> |
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<form action="<?php echo $url; ?>" method="post" accept-charset="utf-8" |
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255
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id="subscribe-blog<?php if ( Jetpack_Subscriptions_Widget::$instance_count > 1 ) { |
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echo '-' . Jetpack_Subscriptions_Widget::$instance_count; |
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} ?>"> |
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<?php if ( is_user_logged_in() ) : ?> |
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<?php |
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if ( ! $show_only_email_and_button ) { |
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echo wpautop( $subscribe_logged_in ); |
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} |
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View Code Duplication |
if ( $show_subscribers_total && $subscribers_total ) { |
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/* translators: %s: number of folks following the blog */ |
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echo wpautop( sprintf( _n( 'Join %s other follower', 'Join %s other followers', $subscribers_total ), number_format_i18n( $subscribers_total ) ) ); |
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} |
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?> |
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<?php else : ?> |
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<?php |
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if ( ! $show_only_email_and_button ) { |
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echo wpautop( $subscribe_text ); |
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} |
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View Code Duplication |
if ( $show_subscribers_total && $subscribers_total ) { |
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/* translators: %s: number of folks following the blog */ |
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echo wpautop( sprintf( _n( 'Join %s other follower', 'Join %s other followers', $subscribers_total ), number_format_i18n( $subscribers_total ) ) ); |
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} |
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?> |
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<p><input type="text" name="email" style="width: 95%; padding: 1px 2px" |
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placeholder="<?php esc_attr_e( 'Enter your email address' ); ?>" value="" |
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id="subscribe-field<?php if ( Jetpack_Subscriptions_Widget::$instance_count > 1 ) { |
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echo '-' . Jetpack_Subscriptions_Widget::$instance_count; |
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} ?>"/></p> |
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<?php endif; ?> |
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<p> |
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<input type="hidden" name="action" value="subscribe"/> |
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<input type="hidden" name="blog_id" value="<?php echo (int) $current_blog->blog_id; ?>"/> |
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<input type="hidden" name="source" value="<?php echo esc_url( $referer ); ?>"/> |
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<input type="hidden" name="sub-type" value="<?php echo esc_attr( $source ); ?>"/> |
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<input type="hidden" name="redirect_fragment" value="<?php echo esc_attr( $widget_id ); ?>"/> |
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<?php wp_nonce_field( 'blogsub_subscribe_' . $current_blog->blog_id, '_wpnonce', false ); ?> |
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<input type="submit" value="<?php echo esc_attr( $subscribe_button ); ?>" |
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<?php if ( ! empty( $submit_button_classes ) ) { ?> |
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class="<?php echo esc_attr( $submit_button_classes ); ?>" |
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<?php }; ?> |
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<?php if ( ! empty( $submit_button_styles ) ) { ?> |
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style="<?php echo esc_attr( $submit_button_styles ); ?>" |
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<?php }; ?> |
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/> |
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</p> |
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</form> |
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<?php |
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} |
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if ( self::is_jetpack() ) { |
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/** |
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* Filter the subscription form's ID prefix. |
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* |
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* @module subscriptions |
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* |
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* @since 2.7.0 |
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* |
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* @param string subscribe-field Subscription form field prefix. |
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* @param int $widget_id Widget ID. |
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*/ |
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$subscribe_field_id = apply_filters( 'subscribe_field_id', 'subscribe-field', $widget_id ); |
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?> |
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318
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<form action="#" method="post" accept-charset="utf-8" id="subscribe-blog-<?php echo $widget_id; ?>"> |
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<?php |
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320
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if ( $subscribe_text && ( ! isset ( $_GET['subscribe'] ) || 'success' != $_GET['subscribe'] ) ) { |
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321
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?> |
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<div id="subscribe-text"><?php echo wpautop( str_replace( '[total-subscribers]', number_format_i18n( $subscribers_total['value'] ), $subscribe_text ) ); ?></div><?php |
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323
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} |
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324
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325
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if ( $show_subscribers_total && 0 < $subscribers_total['value'] ) { |
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326
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/* translators: %s: number of folks following the blog */ |
|
327
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echo wpautop( sprintf( _n( 'Join %s other subscriber', 'Join %s other subscribers', $subscribers_total['value'], 'jetpack' ), number_format_i18n( $subscribers_total['value'] ) ) ); |
|
328
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} |
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329
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if ( ! isset ( $_GET['subscribe'] ) || 'success' != $_GET['subscribe'] ) { ?> |
|
330
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<p id="subscribe-email"> |
|
331
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|
<label id="jetpack-subscribe-label" |
|
332
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class="screen-reader-text" |
|
333
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for="<?php echo esc_attr( $subscribe_field_id ) . '-' . esc_attr( $widget_id ); ?>"> |
|
334
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<?php echo ! empty( $subscribe_placeholder ) ? esc_html( $subscribe_placeholder ) : esc_html__( 'Email Address:', 'jetpack' ); ?> |
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335
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</label> |
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336
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<input type="email" name="email" required="required" class="required" |
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337
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value="<?php echo esc_attr( $subscribe_email ); ?>" |
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338
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id="<?php echo esc_attr( $subscribe_field_id ) . '-' . esc_attr( $widget_id ); ?>" |
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339
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placeholder="<?php echo esc_attr( $subscribe_placeholder ); ?>"/> |
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340
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</p> |
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341
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|
342
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|
|
<p id="subscribe-submit"> |
|
343
|
|
|
<input type="hidden" name="action" value="subscribe"/> |
|
344
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|
|
<input type="hidden" name="source" value="<?php echo esc_url( $referer ); ?>"/> |
|
345
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|
|
<input type="hidden" name="sub-type" value="<?php echo esc_attr( $source ); ?>"/> |
|
346
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|
|
<input type="hidden" name="redirect_fragment" value="<?php echo $widget_id; ?>"/> |
|
347
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|
|
<?php |
|
348
|
|
|
if ( is_user_logged_in() ) { |
|
349
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|
|
wp_nonce_field( 'blogsub_subscribe_' . get_current_blog_id(), '_wpnonce', false ); |
|
350
|
|
|
} |
|
351
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|
|
?> |
|
352
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|
|
<input type="submit" value="<?php echo esc_attr( $subscribe_button ); ?>" |
|
353
|
|
|
<?php if ( ! empty( $submit_button_classes ) ) { ?> |
|
354
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|
class="<?php echo esc_attr( $submit_button_classes ); ?>" |
|
355
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|
<?php }; ?> |
|
356
|
|
|
<?php if ( ! empty( $submit_button_styles ) ) { ?> |
|
357
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|
|
style="<?php echo esc_attr( $submit_button_styles ); ?>" |
|
358
|
|
|
<?php }; ?> |
|
359
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|
|
name="jetpack_subscriptions_widget" |
|
360
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|
|
/> |
|
361
|
|
|
</p> |
|
362
|
|
|
<?php } ?> |
|
363
|
|
|
</form> |
|
364
|
|
|
<?php } |
|
365
|
|
|
} |
|
366
|
|
|
|
|
367
|
|
|
/** |
|
368
|
|
|
* Determines if the current user is subscribed to the blog. |
|
369
|
|
|
* |
|
370
|
|
|
* @return bool Is the person already subscribed. |
|
371
|
|
|
*/ |
|
372
|
|
|
static function is_current_user_subscribed() { |
|
373
|
|
|
$subscribed = isset( $_GET['subscribe'] ) && 'success' == $_GET['subscribe']; |
|
374
|
|
|
|
|
375
|
|
|
if ( self::is_wpcom() && class_exists( 'Blog_Subscription' ) && class_exists( 'Blog_Subscriber' ) ) { |
|
376
|
|
|
$subscribed = is_user_logged_in() && Blog_Subscription::is_subscribed( new Blog_Subscriber() ); |
|
377
|
|
|
} |
|
378
|
|
|
|
|
379
|
|
|
return $subscribed; |
|
380
|
|
|
} |
|
381
|
|
|
|
|
382
|
|
|
/** |
|
383
|
|
|
* Is this script running in the wordpress.com environment? |
|
384
|
|
|
* |
|
385
|
|
|
* @return bool |
|
386
|
|
|
*/ |
|
387
|
|
|
static function is_wpcom() { |
|
388
|
|
|
return defined( 'IS_WPCOM' ) && IS_WPCOM; |
|
389
|
|
|
} |
|
390
|
|
|
|
|
391
|
|
|
/** |
|
392
|
|
|
* Is this script running in a self-hosted environment? |
|
393
|
|
|
* |
|
394
|
|
|
* @return bool |
|
395
|
|
|
*/ |
|
396
|
|
|
static function is_jetpack() { |
|
397
|
|
|
return ! self::is_wpcom(); |
|
398
|
|
|
} |
|
399
|
|
|
|
|
400
|
|
|
/** |
|
401
|
|
|
* Used to determine if there is a valid status slug within the wordpress.com environment. |
|
402
|
|
|
* |
|
403
|
|
|
* @return bool |
|
404
|
|
|
*/ |
|
405
|
|
|
static function wpcom_has_status_message() { |
|
406
|
|
|
return isset( $_GET['blogsub'] ) && |
|
407
|
|
|
in_array( |
|
408
|
|
|
$_GET['blogsub'], |
|
409
|
|
|
array( |
|
410
|
|
|
'confirming', |
|
411
|
|
|
'blocked', |
|
412
|
|
|
'flooded', |
|
413
|
|
|
'spammed', |
|
414
|
|
|
'subscribed', |
|
415
|
|
|
'pending', |
|
416
|
|
|
'confirmed', |
|
417
|
|
|
) |
|
418
|
|
|
); |
|
419
|
|
|
} |
|
420
|
|
|
|
|
421
|
|
|
/** |
|
422
|
|
|
* Determine the amount of folks currently subscribed to the blog. |
|
423
|
|
|
* |
|
424
|
|
|
* @return int|array |
|
425
|
|
|
*/ |
|
426
|
|
|
static function fetch_subscriber_count() { |
|
427
|
|
|
$subs_count = 0; |
|
428
|
|
|
|
|
429
|
|
|
if ( self::is_jetpack() ) { |
|
430
|
|
|
$subs_count = get_transient( 'wpcom_subscribers_total' ); |
|
431
|
|
|
if ( false === $subs_count || 'failed' == $subs_count['status'] ) { |
|
432
|
|
|
Jetpack::load_xml_rpc_client(); |
|
433
|
|
|
|
|
434
|
|
|
$xml = new Jetpack_IXR_Client( array( 'user_id' => JETPACK_MASTER_USER, ) ); |
|
435
|
|
|
|
|
436
|
|
|
$xml->query( 'jetpack.fetchSubscriberCount' ); |
|
437
|
|
|
|
|
438
|
|
|
if ( $xml->isError() ) { // if we get an error from .com, set the status to failed so that we will try again next time the data is requested |
|
439
|
|
|
$subs_count = array( |
|
440
|
|
|
'status' => 'failed', |
|
441
|
|
|
'code' => $xml->getErrorCode(), |
|
442
|
|
|
'message' => $xml->getErrorMessage(), |
|
443
|
|
|
'value' => ( isset( $subs_count['value'] ) ) ? $subs_count['value'] : 0, |
|
444
|
|
|
); |
|
445
|
|
|
} else { |
|
446
|
|
|
$subs_count = array( |
|
447
|
|
|
'status' => 'success', |
|
448
|
|
|
'value' => $xml->getResponse(), |
|
449
|
|
|
); |
|
450
|
|
|
} |
|
451
|
|
|
|
|
452
|
|
|
set_transient( 'wpcom_subscribers_total', $subs_count, 3600 ); // try to cache the result for at least 1 hour |
|
453
|
|
|
} |
|
454
|
|
|
} |
|
455
|
|
|
|
|
456
|
|
|
if ( self::is_wpcom() && function_exists( 'wpcom_reach_total_for_blog' ) ) { |
|
457
|
|
|
$subs_count = wpcom_reach_total_for_blog(); |
|
458
|
|
|
} |
|
459
|
|
|
|
|
460
|
|
|
return $subs_count; |
|
461
|
|
|
} |
|
462
|
|
|
|
|
463
|
|
|
/** |
|
464
|
|
|
* Updates a particular instance of a widget when someone saves it in wp-admin. |
|
465
|
|
|
* |
|
466
|
|
|
* @param array $new_instance |
|
467
|
|
|
* @param array $old_instance |
|
468
|
|
|
* |
|
469
|
|
|
* @return array |
|
470
|
|
|
*/ |
|
471
|
|
|
function update( $new_instance, $old_instance ) { |
|
472
|
|
|
$instance = $old_instance; |
|
473
|
|
|
|
|
474
|
|
|
if ( self::is_jetpack() ) { |
|
475
|
|
|
$instance['title'] = wp_kses( stripslashes( $new_instance['title'] ), array() ); |
|
476
|
|
|
$instance['subscribe_placeholder'] = wp_kses( stripslashes( $new_instance['subscribe_placeholder'] ), array() ); |
|
477
|
|
|
$instance['subscribe_button'] = wp_kses( stripslashes( $new_instance['subscribe_button'] ), array() ); |
|
478
|
|
|
$instance['success_message'] = wp_kses( stripslashes( $new_instance['success_message'] ), array() ); |
|
479
|
|
|
} |
|
480
|
|
|
|
|
481
|
|
|
if ( self::is_wpcom() ) { |
|
482
|
|
|
$instance['title'] = strip_tags( stripslashes( $new_instance['title'] ) ); |
|
483
|
|
|
$instance['title_following'] = strip_tags( stripslashes( $new_instance['title_following'] ) ); |
|
484
|
|
|
$instance['subscribe_logged_in'] = wp_filter_post_kses( stripslashes( $new_instance['subscribe_logged_in'] ) ); |
|
485
|
|
|
$instance['subscribe_button'] = strip_tags( stripslashes( $new_instance['subscribe_button'] ) ); |
|
486
|
|
|
} |
|
487
|
|
|
|
|
488
|
|
|
$instance['show_subscribers_total'] = isset( $new_instance['show_subscribers_total'] ) && $new_instance['show_subscribers_total']; |
|
489
|
|
|
$instance['show_only_email_and_button'] = isset( $new_instance['show_only_email_and_button'] ) && $new_instance['show_only_email_and_button']; |
|
490
|
|
|
$instance['subscribe_text'] = wp_filter_post_kses( stripslashes( $new_instance['subscribe_text'] ) ); |
|
491
|
|
|
|
|
492
|
|
|
return $instance; |
|
493
|
|
|
} |
|
494
|
|
|
|
|
495
|
|
|
/** |
|
496
|
|
|
* The default args for rendering a subscription form. |
|
497
|
|
|
* |
|
498
|
|
|
* @return array |
|
499
|
|
|
*/ |
|
500
|
|
|
static function defaults() { |
|
501
|
|
|
$defaults = array( |
|
502
|
|
|
'show_subscribers_total' => true, |
|
503
|
|
|
'show_only_email_and_button' => false |
|
504
|
|
|
); |
|
505
|
|
|
|
|
506
|
|
|
if ( self::is_jetpack() ) { |
|
507
|
|
|
$defaults['title'] = esc_html__( 'Subscribe to Blog via Email', 'jetpack' ); |
|
508
|
|
|
$defaults['subscribe_text'] = esc_html__( 'Enter your email address to subscribe to this blog and receive notifications of new posts by email.', 'jetpack' ); |
|
509
|
|
|
$defaults['subscribe_placeholder'] = esc_html__( 'Email Address', 'jetpack' ); |
|
510
|
|
|
$defaults['subscribe_button'] = esc_html__( 'Subscribe', 'jetpack' ); |
|
511
|
|
|
$defaults['success_message'] = esc_html__( "Success! An email was just sent to confirm your subscription. Please find the email now and click 'Confirm Follow' to start subscribing.", 'jetpack' ); |
|
512
|
|
|
} |
|
513
|
|
|
|
|
514
|
|
|
if ( self::is_wpcom() ) { |
|
515
|
|
|
$defaults['title'] = __( 'Follow Blog via Email' ); |
|
516
|
|
|
$defaults['title_following'] = __( 'You are following this blog' ); |
|
517
|
|
|
$defaults['subscribe_text'] = __( 'Enter your email address to follow this blog and receive notifications of new posts by email.' ); |
|
518
|
|
|
$defaults['subscribe_button'] = __( 'Follow' ); |
|
519
|
|
|
$defaults['subscribe_logged_in'] = __( 'Click to follow this blog and receive notifications of new posts by email.' ); |
|
520
|
|
|
} |
|
521
|
|
|
|
|
522
|
|
|
return $defaults; |
|
523
|
|
|
} |
|
524
|
|
|
|
|
525
|
|
|
/** |
|
526
|
|
|
* Renders the widget's options form in wp-admin. |
|
527
|
|
|
* |
|
528
|
|
|
* @param array $instance |
|
529
|
|
|
*/ |
|
530
|
|
|
function form( $instance ) { |
|
531
|
|
|
$instance = wp_parse_args( (array) $instance, $this->defaults() ); |
|
532
|
|
|
$show_subscribers_total = checked( $instance['show_subscribers_total'], true, false ); |
|
533
|
|
|
|
|
534
|
|
|
|
|
535
|
|
|
if ( self::is_wpcom() ) { |
|
536
|
|
|
$title = esc_attr( stripslashes( $instance['title'] ) ); |
|
537
|
|
|
$title_following = esc_attr( stripslashes( $instance['title_following'] ) ); |
|
538
|
|
|
$subscribe_text = esc_attr( stripslashes( $instance['subscribe_text'] ) ); |
|
539
|
|
|
$subscribe_logged_in = esc_attr( stripslashes( $instance['subscribe_logged_in'] ) ); |
|
540
|
|
|
$subscribe_button = esc_attr( stripslashes( $instance['subscribe_button'] ) ); |
|
541
|
|
|
$subscribers_total = self::fetch_subscriber_count(); |
|
542
|
|
|
} |
|
543
|
|
|
|
|
544
|
|
|
if ( self::is_jetpack() ) { |
|
545
|
|
|
$title = stripslashes( $instance['title'] ); |
|
546
|
|
|
$subscribe_text = stripslashes( $instance['subscribe_text'] ); |
|
547
|
|
|
$subscribe_placeholder = stripslashes( $instance['subscribe_placeholder'] ); |
|
548
|
|
|
$subscribe_button = stripslashes( $instance['subscribe_button'] ); |
|
549
|
|
|
$success_message = stripslashes( $instance['success_message'] ); |
|
550
|
|
|
$subs_fetch = self::fetch_subscriber_count(); |
|
551
|
|
|
if ( 'failed' == $subs_fetch['status'] ) { |
|
552
|
|
|
printf( '<div class="error inline"><p>%s: %s</p></div>', esc_html( $subs_fetch['code'] ), esc_html( $subs_fetch['message'] ) ); |
|
553
|
|
|
} |
|
554
|
|
|
$subscribers_total = number_format_i18n( $subs_fetch['value'] ); |
|
555
|
|
|
} |
|
556
|
|
|
|
|
557
|
|
|
if ( self::is_wpcom() ) : ?> |
|
558
|
|
|
<p> |
|
559
|
|
|
<label for="<?php echo $this->get_field_id( 'title' ); ?>"> |
|
560
|
|
|
<?php _e( 'Widget title for non-followers:' ); ?> |
|
561
|
|
|
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" |
|
562
|
|
|
name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" |
|
563
|
|
|
value="<?php echo $title; ?>"/> |
|
|
|
|
|
|
564
|
|
|
</label> |
|
565
|
|
|
</p> |
|
566
|
|
|
<p> |
|
567
|
|
|
<label for="<?php echo $this->get_field_id( 'title_following' ); ?>"> |
|
568
|
|
|
<?php _e( 'Widget title for followers:' ); ?> |
|
569
|
|
|
<input class="widefat" id="<?php echo $this->get_field_id( 'title_following' ); ?>" |
|
570
|
|
|
name="<?php echo $this->get_field_name( 'title_following' ); ?>" type="text" |
|
571
|
|
|
value="<?php echo $title_following; ?>"/> |
|
|
|
|
|
|
572
|
|
|
</label> |
|
573
|
|
|
</p> |
|
574
|
|
|
<p> |
|
575
|
|
|
<label for="<?php echo $this->get_field_id( 'subscribe_logged_in' ); ?>"> |
|
576
|
|
|
<?php _e( 'Optional text to display to logged in WordPress.com users:' ); ?> |
|
577
|
|
|
<textarea style="width: 95%" id="<?php echo $this->get_field_id( 'subscribe_logged_in' ); ?>" |
|
578
|
|
|
name="<?php echo $this->get_field_name( 'subscribe_logged_in' ); ?>" |
|
579
|
|
|
type="text"><?php echo $subscribe_logged_in; ?></textarea> |
|
|
|
|
|
|
580
|
|
|
</label> |
|
581
|
|
|
</p> |
|
582
|
|
|
<p> |
|
583
|
|
|
<label for="<?php echo $this->get_field_id( 'subscribe_text' ); ?>"> |
|
584
|
|
|
<?php _e( 'Optional text to display to non-WordPress.com users:' ); ?> |
|
585
|
|
|
<textarea style="width: 95%" id="<?php echo $this->get_field_id( 'subscribe_text' ); ?>" |
|
586
|
|
|
name="<?php echo $this->get_field_name( 'subscribe_text' ); ?>" |
|
587
|
|
|
type="text"><?php echo $subscribe_text; ?></textarea> |
|
|
|
|
|
|
588
|
|
|
</label> |
|
589
|
|
|
</p> |
|
590
|
|
|
<p> |
|
591
|
|
|
<label for="<?php echo $this->get_field_id( 'subscribe_button' ); ?>"> |
|
592
|
|
|
<?php _e( 'Follow Button Text:' ); ?> |
|
593
|
|
|
<input class="widefat" id="<?php echo $this->get_field_id( 'subscribe_button' ); ?>" |
|
594
|
|
|
name="<?php echo $this->get_field_name( 'subscribe_button' ); ?>" type="text" |
|
595
|
|
|
value="<?php echo $subscribe_button; ?>"/> |
|
|
|
|
|
|
596
|
|
|
</label> |
|
597
|
|
|
</p> |
|
598
|
|
|
<p> |
|
599
|
|
|
<label for="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>"> |
|
600
|
|
|
<input type="checkbox" id="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>" |
|
601
|
|
|
name="<?php echo $this->get_field_name( 'show_subscribers_total' ); ?>" |
|
602
|
|
|
value="1"<?php echo $show_subscribers_total; ?> /> |
|
603
|
|
|
<?php echo esc_html( sprintf( _n( 'Show total number of followers? (%s follower)', 'Show total number of followers? (%s followers)', $subscribers_total ), number_format_i18n( $subscribers_total ) ) ); ?> |
|
|
|
|
|
|
604
|
|
|
</label> |
|
605
|
|
|
</p> |
|
606
|
|
|
<?php endif; |
|
607
|
|
|
|
|
608
|
|
|
if ( self::is_jetpack() ) : ?> |
|
609
|
|
|
<p> |
|
610
|
|
|
<label for="<?php echo $this->get_field_id( 'title' ); ?>"> |
|
611
|
|
|
<?php _e( 'Widget title:', 'jetpack' ); ?> |
|
612
|
|
|
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" |
|
613
|
|
|
name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" |
|
614
|
|
|
value="<?php echo esc_attr( $title ); ?>"/> |
|
615
|
|
|
</label> |
|
616
|
|
|
</p> |
|
617
|
|
|
<p> |
|
618
|
|
|
<label for="<?php echo $this->get_field_id( 'subscribe_text' ); ?>"> |
|
619
|
|
|
<?php _e( 'Optional text to display to your readers:', 'jetpack' ); ?> |
|
620
|
|
|
<textarea class="widefat" id="<?php echo $this->get_field_id( 'subscribe_text' ); ?>" |
|
621
|
|
|
name="<?php echo $this->get_field_name( 'subscribe_text' ); ?>" |
|
622
|
|
|
rows="3"><?php echo esc_html( $subscribe_text ); ?></textarea> |
|
623
|
|
|
</label> |
|
624
|
|
|
</p> |
|
625
|
|
|
<p> |
|
626
|
|
|
<label for="<?php echo $this->get_field_id( 'subscribe_placeholder' ); ?>"> |
|
627
|
|
|
<?php esc_html_e( 'Subscribe Placeholder:', 'jetpack' ); ?> |
|
628
|
|
|
<input class="widefat" id="<?php echo $this->get_field_id( 'subscribe_placeholder' ); ?>" |
|
629
|
|
|
name="<?php echo $this->get_field_name( 'subscribe_placeholder' ); ?>" type="text" |
|
630
|
|
|
value="<?php echo esc_attr( $subscribe_placeholder ); ?>"/> |
|
|
|
|
|
|
631
|
|
|
</label> |
|
632
|
|
|
</p> |
|
633
|
|
|
<p> |
|
634
|
|
|
<label for="<?php echo $this->get_field_id( 'subscribe_button' ); ?>"> |
|
635
|
|
|
<?php _e( 'Subscribe Button:', 'jetpack' ); ?> |
|
636
|
|
|
<input class="widefat" id="<?php echo $this->get_field_id( 'subscribe_button' ); ?>" |
|
637
|
|
|
name="<?php echo $this->get_field_name( 'subscribe_button' ); ?>" type="text" |
|
638
|
|
|
value="<?php echo esc_attr( $subscribe_button ); ?>"/> |
|
639
|
|
|
</label> |
|
640
|
|
|
</p> |
|
641
|
|
|
<p> |
|
642
|
|
|
<label for="<?php echo $this->get_field_id( 'success_message' ); ?>"> |
|
643
|
|
|
<?php _e( 'Success Message Text:', 'jetpack' ); ?> |
|
644
|
|
|
<textarea class="widefat" id="<?php echo $this->get_field_id( 'success_message' ); ?>" |
|
645
|
|
|
name="<?php echo $this->get_field_name( 'success_message' ); ?>" |
|
646
|
|
|
rows="5"><?php echo esc_html( $success_message ); ?></textarea> |
|
|
|
|
|
|
647
|
|
|
</label> |
|
648
|
|
|
</p> |
|
649
|
|
|
<p> |
|
650
|
|
|
<label for="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>"> |
|
651
|
|
|
<input type="checkbox" id="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>" |
|
652
|
|
|
name="<?php echo $this->get_field_name( 'show_subscribers_total' ); ?>" |
|
653
|
|
|
value="1"<?php echo $show_subscribers_total; ?> /> |
|
654
|
|
|
<?php echo esc_html( sprintf( _n( 'Show total number of subscribers? (%s subscriber)', 'Show total number of subscribers? (%s subscribers)', $subscribers_total, 'jetpack' ), $subscribers_total ) ); ?> |
|
655
|
|
|
</label> |
|
656
|
|
|
</p> |
|
657
|
|
|
<?php endif; |
|
658
|
|
|
} |
|
659
|
|
|
} |
|
660
|
|
|
|
|
661
|
|
|
if ( defined( 'IS_WPCOM' ) && IS_WPCOM && function_exists( 'class_alias' ) ) { |
|
662
|
|
|
class_alias( 'Jetpack_Subscriptions_Widget', 'Blog_Subscription_Widget' ); |
|
663
|
|
|
} |
|
664
|
|
|
|
|
665
|
|
|
function get_jetpack_blog_subscriptions_widget_classname() { |
|
666
|
|
|
return ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ? |
|
667
|
|
|
'Blog_Subscription_Widget' : |
|
668
|
|
|
'Jetpack_Subscriptions_Widget'; |
|
669
|
|
|
} |
|
670
|
|
|
|
|
671
|
|
|
function jetpack_do_subscription_form( $instance ) { |
|
672
|
|
|
if ( empty( $instance ) || ! is_array( $instance ) ) { |
|
673
|
|
|
$instance = array(); |
|
674
|
|
|
} |
|
675
|
|
|
$instance['show_subscribers_total'] = false; |
|
676
|
|
|
if ( ! empty( $instance['show_subscribers_total'] ) && 'false' !== $instance['show_subscribers_total'] ) { |
|
677
|
|
|
$instance['show_subscribers_total'] = true; |
|
678
|
|
|
} |
|
679
|
|
|
$show_only_email_and_button = isset( $instance['show_only_email_and_button'] ) ? $instance['show_only_email_and_button'] : false; |
|
680
|
|
|
$submit_button_text = isset( $instance['submit_button_text'] ) ? $instance['submit_button_text'] : ''; |
|
681
|
|
|
|
|
682
|
|
|
|
|
683
|
|
|
|
|
684
|
|
|
// Build up a string with the submit button's classes and styles and set it on the instance |
|
685
|
|
|
$submit_button_classes = isset( $instance['submit_button_classes'] ) ? $instance['submit_button_classes'] : ''; |
|
686
|
|
|
$submit_button_styles = ''; |
|
687
|
|
|
if ( isset( $instance['custom_background_button_color'] ) ) { |
|
688
|
|
|
$submit_button_styles .= 'background-color: ' . $instance['custom_background_button_color'] . '; '; |
|
689
|
|
|
} |
|
690
|
|
|
if ( isset( $instance['custom_text_button_color'] ) ) { |
|
691
|
|
|
$submit_button_styles .= 'color: ' . $instance['custom_text_button_color'] . ';'; |
|
692
|
|
|
} |
|
693
|
|
|
|
|
694
|
|
|
$instance = shortcode_atts( |
|
695
|
|
|
Jetpack_Subscriptions_Widget::defaults(), |
|
696
|
|
|
$instance, |
|
697
|
|
|
'jetpack_subscription_form' |
|
698
|
|
|
); |
|
699
|
|
|
|
|
700
|
|
|
// These must come after the call to shortcode_atts() |
|
701
|
|
|
$instance['submit_button_text'] = $submit_button_text; |
|
702
|
|
|
$instance['show_only_email_and_button'] = $show_only_email_and_button; |
|
703
|
|
|
if ( ! empty( $submit_button_classes ) ) { |
|
704
|
|
|
$instance['submit_button_classes'] = $submit_button_classes; |
|
705
|
|
|
} |
|
706
|
|
|
if ( ! empty ( $submit_button_styles ) ) { |
|
707
|
|
|
$instance['submit_button_styles'] = $submit_button_styles; |
|
708
|
|
|
} |
|
709
|
|
|
|
|
710
|
|
|
$args = array( |
|
711
|
|
|
'before_widget' => '<div class="jetpack_subscription_widget">', |
|
712
|
|
|
); |
|
713
|
|
|
ob_start(); |
|
714
|
|
|
the_widget( get_jetpack_blog_subscriptions_widget_classname(), $instance, $args ); |
|
715
|
|
|
$output = ob_get_clean(); |
|
716
|
|
|
|
|
717
|
|
|
return $output; |
|
718
|
|
|
} |
|
719
|
|
|
|
|
720
|
|
|
add_shortcode( 'jetpack_subscription_form', 'jetpack_do_subscription_form' ); |
|
721
|
|
|
add_shortcode( 'blog_subscription_form', 'jetpack_do_subscription_form' ); |
|
722
|
|
|
|
|
723
|
|
|
function jetpack_blog_subscriptions_init() { |
|
724
|
|
|
register_widget( get_jetpack_blog_subscriptions_widget_classname() ); |
|
725
|
|
|
} |
|
726
|
|
|
|
|
727
|
|
|
add_action( 'widgets_init', 'jetpack_blog_subscriptions_init' ); |
|
728
|
|
|
|
|
729
|
|
|
function jetpack_register_subscriptions_block() { |
|
730
|
|
|
jetpack_register_block( 'subscriptions' ); |
|
731
|
|
|
} |
|
732
|
|
|
|
|
733
|
|
|
add_action( 'init', 'jetpack_register_subscriptions_block' ); |
|
734
|
|
|
|
Automattic /
jetpack
Loading history...
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: