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<?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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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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add_action( 'widgets_init', 'jetpack_facebook_likebox_init' );

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/**

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* Register the widget for use in Appearance -> Widgets

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function jetpack_facebook_likebox_init() {

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register_widget( 'WPCOM_Widget_Facebook_LikeBox' );

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}

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/**

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* Facebook Page Plugin (formerly known as the Like Box)

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* Display a Facebook Page Plugin as a widget (replaces the old like box plugin)

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* https://developers.facebook.com/docs/plugins/page-plugin

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class WPCOM_Widget_Facebook_LikeBox extends WP_Widget {

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/**

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* Default height.

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* @var int

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private $default_height = 580;

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/**

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* Default width.

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* @var int

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private $default_width = 340;

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/**

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* Max width.

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* @var int

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private $max_width = 500;

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/**

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* Min width.

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* @var int

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private $min_width = 180;

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/**

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* Max height.

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* @var int

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private $max_height = 9999;

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/**

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* Min height/

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* @var int

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private $min_height = 130;

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/**

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* WPCOM_Widget_Facebook_LikeBox constructor.

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public function __construct() {

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parent::__construct(

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'facebook-likebox',

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/**

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* Filter the name of a widget included in the Extra Sidebar Widgets module.

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* @module widgets

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* @since 2.1.2

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* @param string $widget_name Widget title.

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apply_filters( 'jetpack_widget_name', __( 'Facebook Page Plugin', 'jetpack' ) ),

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array(

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'classname' => 'widget_facebook_likebox',

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'description' => __( 'Use the Facebook Page Plugin to connect visitors to your Facebook Page', 'jetpack' ),

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'customize_selective_refresh' => true,

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)

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);

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if ( is_active_widget( false, false, $this->id_base ) || is_active_widget( false, false, 'monster' ) || is_customize_preview() ) {

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

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}

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}

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/**

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* Enqueue scripts.

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public function enqueue_scripts() {

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wp_enqueue_script( 'jetpack-facebook-embed' );

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wp_enqueue_style(

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'jetpack_facebook_likebox',

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plugins_url( 'facebook-likebox/style.css', __FILE__ ),

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array(),

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JETPACK__VERSION

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);

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// Inline styles. @see wp_maybe_inline_styles()

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wp_style_add_data( 'jetpack_facebook_likebox', 'path', plugin_dir_path( __FILE__ ) . 'facebook-likebox/style.css' );

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}

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/**

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* Display the widget.

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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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public function widget( $args, $instance ) {

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

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

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$like_args = $this->get_default_args();

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if ( isset( $instance['like_args'] ) ) {

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$like_args = $this->normalize_facebook_args( $instance['like_args'] );

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}

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if ( empty( $like_args['href'] ) || ! $this->is_valid_facebook_url( $like_args['href'] ) ) {

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if ( current_user_can( 'edit_theme_options' ) ) {

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

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$error_link = wp_kses(

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sprintf(

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/* translators: %s: link to widgets administration screen. */

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__( 'It looks like your Facebook URL is incorrectly configured. Please check it in your <a href="%1$s">widget settings</a>.', 'jetpack' ),

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esc_url( admin_url( 'widgets.php' ) )

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array( 'a' => array( 'href' => array() ) )

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);

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printf(

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'<p>%s</p>',

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

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);

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

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}

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echo '';

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return;

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}

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/** This filter is documented in core/src/wp-includes/default-widgets.php */

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$title = apply_filters( 'widget_title', $instance['title'] );

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$page_url = set_url_scheme( $like_args['href'], 'https' );

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$like_args['show_faces'] = (bool) $like_args['show_faces'] ? 'true' : 'false';

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$like_args['stream'] = (bool) $like_args['stream'] ? 'timeline' : 'false';

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$like_args['cover'] = (bool) $like_args['cover'] ? 'false' : 'true';

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$like_args['small_header'] = (bool) $like_args['small_header'] ? 'true' : 'false';

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/**

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* Filter Facebook Likebox's widget call to action button

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* @module widgets

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* @since 8.4.0

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* @param bool True value hides the call to action button

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$hide_cta = apply_filters( 'jetpack_facebook_likebox_hide_cta', false );

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

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if ( ! empty( $title ) ) :

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

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$likebox_widget_title = '<a href="' . esc_url( $page_url ) . '">' . $title . '</a>';

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/**

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* Filter Facebook Likebox's widget title.

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* @module widgets

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* @since 3.3.0

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* @param string $likebox_widget_title Likebox Widget title (including a link to the Page URL).

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* @param string $title Widget title as set in the widget settings.

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* @param string $page_url Facebook Page URL.

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$likebox_widget_title = apply_filters( 'jetpack_facebook_likebox_title', $likebox_widget_title, $title, $page_url );

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echo wp_kses(

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$likebox_widget_title,

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array( 'a' => array( 'href' => array() ) )

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);

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

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endif;

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<div class="fb-page" data-href="<?php echo esc_url( $page_url ); ?>" data-width="<?php echo (int) $like_args['width']; ?>" data-height="<?php echo (int) $like_args['height']; ?>" data-hide-cover="<?php echo esc_attr( $like_args['cover'] ); ?>" data-show-facepile="<?php echo esc_attr( $like_args['show_faces'] ); ?>" data-tabs="<?php echo esc_attr( $like_args['stream'] ); ?>" data-hide-cta="<?php echo esc_attr( $hide_cta ? 'true' : 'false' ); ?>" data-small-header="<?php echo esc_attr( $like_args['small_header'] ); ?>">

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</div>

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<?php

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wp_enqueue_script( 'jetpack-facebook-embed' );

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

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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', 'facebook-likebox' );

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}

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/**

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* Update widget.

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* @see WP_Widget::update()

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* @param array $new_instance New widget instance data.

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* @param array $old_instance Old widget instance data.

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public function update( $new_instance, $old_instance ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable

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$instance = array();

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$instance['title'] = trim( wp_strip_all_tags( stripslashes( $new_instance['title'] ) ) );

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// Set up widget values.

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$instance['like_args'] = array(

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'href' => trim( wp_strip_all_tags( stripslashes( $new_instance['href'] ) ) ),

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'width' => (int) $new_instance['width'],

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'height' => (int) $new_instance['height'],

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'show_faces' => isset( $new_instance['show_faces'] ),

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'stream' => isset( $new_instance['stream'] ),

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'cover' => isset( $new_instance['cover'] ),

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'small_header' => isset( $new_instance['small_header'] ),

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);

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$instance['like_args'] = $this->normalize_facebook_args( $instance['like_args'] );

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// Include the new instance's args in the array's top level to support updating from the Widgets page.

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$instance = array_merge( $instance, array_intersect_key( $instance['like_args'], $new_instance ) );

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return $instance;

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}

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/**

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* Outputs the widget settings form.

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* @param array $instance Current settings.

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* @return string|void

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public function form( $instance ) {

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$instance = wp_parse_args(

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(array) $instance,

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array(

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'title' => '',

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'like_args' => $this->get_default_args(),

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)

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);

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$like_args = $this->normalize_facebook_args( $instance['like_args'] );

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<p>

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<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>">

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<?php esc_html_e( 'Title', 'jetpack' ); ?>

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<input type="text" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" class="widefat" />

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</label>

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</p>

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<p>

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<label for="<?php echo esc_attr( $this->get_field_id( 'href' ) ); ?>">

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<?php esc_html_e( 'Facebook Page URL', 'jetpack' ); ?>

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<input type="text" name="<?php echo esc_attr( $this->get_field_name( 'href' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'href' ) ); ?>" value="<?php echo esc_url( $like_args['href'] ); ?>" class="widefat" />

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<br />

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</label>

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</p>

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<p>

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<label for="<?php echo esc_attr( $this->get_field_id( 'width' ) ); ?>">

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<?php esc_html_e( 'Width in pixels', 'jetpack' ); ?>

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<input type="number" class="smalltext" min="<?php echo esc_attr( $this->min_width ); ?>" max="<?php echo esc_attr( $this->max_width ); ?>" maxlength="3" name="<?php echo esc_attr( $this->get_field_name( 'width' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'width' ) ); ?>" value="<?php echo esc_attr( $like_args['width'] ); ?>" style="text-align: center;" />

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<small>

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<?php

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echo esc_html(

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sprintf(

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/* translators: %s is the minimum pixel width */

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__( 'Minimum: %s', 'jetpack' ),

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$this->min_width

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)

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);

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echo ' / ';

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echo esc_html(

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sprintf(

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/* translators: %s is the maximum pixel width */

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__( 'Maximum: %s', 'jetpack' ),

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$this->max_width

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)

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);

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</small>

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</label>

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</p>

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<p>

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<label for="<?php echo esc_attr( $this->get_field_id( 'height' ) ); ?>">

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<?php esc_html_e( 'Height in pixels', 'jetpack' ); ?>

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<input type="number" class="smalltext" min="<?php echo esc_attr( $this->min_height ); ?>" max="<?php echo esc_attr( $this->max_height ); ?>" maxlength="3" name="<?php echo esc_attr( $this->get_field_name( 'height' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'height' ) ); ?>" value="<?php echo esc_attr( $like_args['height'] ); ?>" style="text-align: center;" />

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<small>

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<?php

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echo esc_html(

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sprintf(

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/* translators: %s is the minimum pixel height */

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__( 'Minimum: %s', 'jetpack' ),

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$this->min_height

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)

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);

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echo ' / ';

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echo esc_html(

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sprintf(

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/* translators: %s is the maximum pixel height */

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__( 'Maximum: %s', 'jetpack' ),

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$this->max_height

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)

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);

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</small>

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</label>

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</p>

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<p>

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<label for="<?php echo esc_attr( $this->get_field_id( 'show_faces' ) ); ?>">

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<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'show_faces' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'show_faces' ) ); ?>" <?php checked( $like_args['show_faces'] ); ?> />

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<?php esc_html_e( 'Show Faces', 'jetpack' ); ?>

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<br />

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</label>

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</p>

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<p>

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<label for="<?php echo esc_attr( $this->get_field_id( 'stream' ) ); ?>">

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<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'stream' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'stream' ) ); ?>" <?php checked( $like_args['stream'] ); ?> />

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<?php esc_html_e( 'Show Timeline', 'jetpack' ); ?>

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<br />

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</label>

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</p>

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<p>

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<label for="<?php echo esc_attr( $this->get_field_id( 'cover' ) ); ?>">

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<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'cover' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'cover' ) ); ?>" <?php checked( $like_args['cover'] ); ?> />

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<?php esc_html_e( 'Show Cover Photo', 'jetpack' ); ?>

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<br />

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</label>

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</p>

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<p>

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<label for="<?php echo esc_attr( $this->get_field_id( 'small_header' ) ); ?>">

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<input type="checkbox" name="<?php echo esc_attr( $this->get_field_name( 'small_header' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'small_header' ) ); ?>" <?php checked( $like_args['small_header'] ); ?> />

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<?php esc_html_e( 'Use Small Header', 'jetpack' ); ?>

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<br />

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</label>

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</p>

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<?php

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}

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/**

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* Facebook Likebox default options.

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public function get_default_args() {

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$defaults = array(

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'href' => '',

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'width' => $this->default_width,

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'height' => $this->default_height,

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'show_faces' => 'true',

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'stream' => '',

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'cover' => 'true',

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'small_header' => '',

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);

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/**

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* Filter Facebook Likebox default options.

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* @module widgets

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* @since 1.3.1

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* @param array $defaults Array of default options.

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return apply_filters( 'jetpack_facebook_likebox_defaults', $defaults );

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}

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/**

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* Normalize the Facebook Likebox options.

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* @param array $args Array of arguments.

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public function normalize_facebook_args( $args ) {

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$args = wp_parse_args( (array) $args, $this->get_default_args() );

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// Validate the Facebook Page URL.

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if ( $this->is_valid_facebook_url( $args['href'] ) ) {

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$temp = explode( '?', $args['href'] );

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$args['href'] = str_replace( array( 'http://facebook.com', 'https://facebook.com' ), array( 'http://www.facebook.com', 'https://www.facebook.com' ), $temp[0] );

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} else {

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$args['href'] = '';

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}

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$args['width'] = $this->normalize_int_value( (int) $args['width'], $this->max_width, $this->min_width );

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$args['height'] = $this->normalize_int_value( (int) $args['height'], $this->max_height, $this->min_height );

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$args['show_faces'] = (bool) $args['show_faces'];

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$args['stream'] = (bool) $args['stream'];

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$args['cover'] = (bool) $args['cover'];

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$args['small_header'] = (bool) $args['small_header'];

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// The height used to be dependent on other widget settings

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// If the user changes those settings but doesn't customize the height,

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// let's intelligently assign a new height.

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if ( in_array( $args['height'], array( 580, 110, 432 ), true ) ) {

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if ( $args['show_faces'] && $args['stream'] ) {

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$args['height'] = 580;

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} elseif ( ! $args['show_faces'] && ! $args['stream'] ) {

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$args['height'] = 130;

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} else {

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$args['height'] = 432;

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}

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}

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return $args;

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}

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[426] Fix | Delete

/**

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* Check if URL is a valid Facebook Page URL.

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* @param string $url URL to check.

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[431] Fix | Delete

public function is_valid_facebook_url( $url ) {

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return str_contains( $url, 'facebook.com' );

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}

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[435] Fix | Delete

/**

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* Normalize an integer value within a given range.

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* @param int $value Value to normalize.

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* @param int $max Maximum value.

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* @param int $min Minimum value.

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* @return int Normalized value.

[443] Fix | Delete

[444] Fix | Delete

public function normalize_int_value( $value, $max = 0, $min = 0 ) {

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$value = (int) $value;

[446] Fix | Delete

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if ( $value > $max ) {

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$value = $max;

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} elseif ( $value < $min ) {

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$value = $min;

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}

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return (int) $value;

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}

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}

[456] Fix | Delete

[457] Fix | Delete