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

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/**

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* Module Name: Likes

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* Module Description: Let readers like your posts to show appreciation and encourage interaction.

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* First Introduced: 2.2

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* Sort Order: 23

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* Requires Connection: Yes

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* Auto Activate: No

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* Module Tags: Social

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* Feature: Engagement

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* Additional Search Queries: like, likes, wordpress.com

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* @package automattic/jetpack

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/**

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* NOTE: While the front-end behavior currently varies, try to keep the data

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* model here the same as on wpcom to facilitate Simple→Atomic moves and

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* possible future work to recombine the front-ends.

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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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use Automattic\Jetpack\Status\Host;

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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Assets::add_resource_hint(

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array(

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'//widgets.wp.com',

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'//s0.wp.com',

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'//0.gravatar.com',

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'//1.gravatar.com',

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'//2.gravatar.com',

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'dns-prefetch'

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);

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require_once __DIR__ . '/likes/jetpack-likes-master-iframe.php';

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require_once __DIR__ . '/likes/jetpack-likes-settings.php';

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/**

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* Jetpack Like Class

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class Jetpack_Likes {

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/**

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* Jetpack_Likes_Settings object

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* @var Jetpack_Likes_Settings

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public $settings;

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/**

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* Initialize class

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public static function init() {

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static $instance = null;

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if ( ! $instance ) {

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$instance = new Jetpack_Likes();

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}

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return $instance;

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}

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/**

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* Constructs Likes class

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public function __construct() {

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$this->settings = new Jetpack_Likes_Settings();

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// We need to run on wp hook rather than init because we check is_amp_endpoint()

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// when bootstrapping hooks.

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add_action( 'wp', array( $this, 'action_init' ), 99 );

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add_action( 'admin_init', array( $this, 'admin_init' ) );

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add_action( 'jetpack_activate_module_likes', array( $this, 'set_social_notifications_like' ) );

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add_action( 'jetpack_deactivate_module_likes', array( $this, 'delete_social_notifications_like' ) );

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// The `enable_module_configurable` method doesn't exist in the WP.com loader implementation.

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if ( ! ( new Host() )->is_wpcom_simple() ) {

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Jetpack::enable_module_configurable( __FILE__ );

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}

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add_filter( 'jetpack_module_configuration_url_likes', array( $this, 'jetpack_likes_configuration_url' ) );

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add_action( 'admin_print_scripts-settings_page_sharing', array( $this, 'load_jp_css' ) );

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add_filter( 'sharing_show_buttons_on_row_start', array( $this, 'configuration_target_area' ) );

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$publicize_active = Jetpack::is_module_active( 'publicize' );

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$sharedaddy_active = Jetpack::is_module_active( 'sharedaddy' );

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if ( $publicize_active && ! $sharedaddy_active ) {

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// we have a sharing page but not the global options area.

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add_action( 'pre_admin_screen_sharing', array( $this->settings, 'sharing_block' ), 20 );

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add_action( 'pre_admin_screen_sharing', array( $this->settings, 'updated_message' ), -10 );

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}

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if ( ! $sharedaddy_active ) {

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add_action( 'admin_init', array( $this->settings, 'process_update_requests_if_sharedaddy_not_loaded' ) );

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add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_showbuttonon_init' ), 19 );

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add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_showbuttonon_callback' ), 19 );

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add_action( 'admin_init', array( $this->settings, 'add_meta_box' ) );

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} else {

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add_filter( 'sharing_meta_box_title', array( $this->settings, 'add_likes_to_sharing_meta_box_title' ) );

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add_action( 'start_sharing_meta_box_content', array( $this->settings, 'meta_box_content' ) );

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}

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add_action( 'admin_init', array( $this, 'admin_discussion_likes_settings_init' ) ); // Likes notifications.

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

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add_action( 'save_post', array( $this->settings, 'meta_box_save' ) );

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add_action( 'edit_attachment', array( $this->settings, 'meta_box_save' ) );

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add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_init' ), 20 );

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add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_callback' ), 20 );

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}

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/**

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* Set the social_notifications_like option to `on` when the Likes module is activated.

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* @since 3.7.0

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public function set_social_notifications_like() {

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update_option( 'social_notifications_like', 'on' );

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}

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/**

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* Delete the social_notifications_like option that was set to `on` on module activation.

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* @since 3.7.0

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public function delete_social_notifications_like() {

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delete_option( 'social_notifications_like' );

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}

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/**

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* Overrides default configuration url

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* @uses admin_url

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* @return string module settings URL

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public function jetpack_likes_configuration_url() {

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return admin_url( 'options-general.php?page=sharing#likes' );

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}

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/**

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* Loads Jetpack's CSS on the sharing page so we can use .jetpack-targetable

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public function load_jp_css() {

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/**

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* Do we really need `admin_styles`? With the new admin UI, it's breaking some bits.

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* Jetpack::init()->admin_styles();

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}

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/**

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* Load scripts and styles for front end.

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public function load_styles_register_scripts() {

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wp_enqueue_style( 'jetpack_likes', plugins_url( 'likes/style.css', __FILE__ ), array(), JETPACK__VERSION );

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wp_register_script(

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'jetpack_likes_queuehandler',

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Assets::get_file_url_for_environment(

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'_inc/build/likes/queuehandler.min.js',

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'modules/likes/queuehandler.js'

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array(),

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JETPACK__VERSION,

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true

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);

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}

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/**

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* Adds in the jetpack-targetable class so when we visit sharing#likes our like settings get highlighted by a yellow box

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* @param string $html row heading for the sharedaddy "which page" setting.

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* @return string $html with the jetpack-targetable class and likes id. tbody gets closed after the like settings

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public function configuration_target_area( $html = '' ) {

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$html = "<tbody id='likes' class='jetpack-targetable'>" . $html;

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return $html;

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}

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/**

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* Options to be added to the discussion page (see also admin_settings_init, etc below for Sharing settings page)

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public function admin_discussion_likes_settings_init() {

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// Add a temporary section, until we can move the setting out of there and with the rest of the email notification settings.

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add_settings_section( 'likes-notifications', __( 'Likes Notifications', 'jetpack' ), array( $this, 'admin_discussion_likes_settings_section' ), 'discussion' );

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add_settings_field( 'social-notifications', __( 'Email me whenever', 'jetpack' ), array( $this, 'admin_discussion_likes_settings_field' ), 'discussion', 'likes-notifications' );

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// Register the setting.

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register_setting( 'discussion', 'social_notifications_like', array( $this, 'admin_discussion_likes_settings_validate' ) );

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}

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/** Add email notification options to WordPress discussion settings */

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public function admin_discussion_likes_settings_section() {

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// Atypical usage here. We emit jquery to move likes notification checkbox to be with the rest of the email notification settings.

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jQuery( function( $ ) {

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var table = $( '#social_notifications_like' ).parents( 'table:first' ),

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header = table.prevAll( 'h2:first' ),

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newParent = $( '#moderation_notify' ).parent( 'label' ).parent();

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if ( !table.length || !header.length || !newParent.length ) {

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return;

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}

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newParent.append( '<br/>' ).append( table.end().parent( 'label' ).siblings().andSelf() );

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header.remove();

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table.remove();

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} );

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</script>

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<?php

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}

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/** Check if email notifications for likes is on or off.

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* @param string $option - which option we're checking (social_notifications_like).

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public function admin_likes_get_option( $option ) {

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$option_setting = get_option( $option, 'on' );

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return (int) ( 'on' === $option_setting );

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}

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/** Display email notification for likes setting in WordPress' discussion settings. */

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public function admin_discussion_likes_settings_field() {

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$like = $this->admin_likes_get_option( 'social_notifications_like' );

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<?php

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}

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/**

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* Validate email notification settings.

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* @param string $input - determines if checbox is on or off.

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public function admin_discussion_likes_settings_validate( $input ) {

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// If it's not set (was unchecked during form submission) or was set to off (during option update), return 'off'.

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if ( ! $input || 'off' === $input ) {

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return 'off';

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}

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// Otherwise return 'on'.

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return 'on';

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}

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/** Initialize admin settings */

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public function admin_init() {

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add_filter( 'manage_posts_columns', array( $this, 'add_like_count_column' ) );

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add_filter( 'manage_pages_columns', array( $this, 'add_like_count_column' ) );

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add_action( 'manage_posts_custom_column', array( $this, 'likes_edit_column' ), 10, 2 );

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add_action( 'manage_pages_custom_column', array( $this, 'likes_edit_column' ), 10, 2 );

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add_action( 'admin_print_styles-edit.php', array( $this, 'load_admin_css' ) );

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add_action( 'admin_print_scripts-edit.php', array( $this, 'enqueue_admin_scripts' ) );

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}

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/** Initialize action */

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public function action_init() {

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* Only check if the module is enabled here because

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* we are not currently in The Loop and do not yet have access to check

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* the switch_like_status post meta flag for the post to be loaded.

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if ( is_admin() || ! $this->settings->is_likes_module_enabled() ) {

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return;

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}

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if ( ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) ||

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( defined( 'APP_REQUEST' ) && APP_REQUEST ) ||

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( defined( 'REST_API_REQUEST' ) && REST_API_REQUEST ) ||

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( defined( 'COOKIE_AUTH_REQUEST' ) && COOKIE_AUTH_REQUEST ) ||

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( defined( 'JABBER_SERVER' ) && JABBER_SERVER ) ) {

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return;

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}

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if (

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class_exists( 'Jetpack_AMP_Support' )

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&& Jetpack_AMP_Support::is_amp_request()

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) {

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return;

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}

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add_filter( 'the_content', array( $this, 'post_likes' ), 30, 1 );

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add_filter( 'the_excerpt', array( $this, 'post_likes' ), 30, 1 );

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}

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/**

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* Load the CSS needed for the wp-admin area.

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public function load_admin_css() {

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.vers img { display: none; }

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.metabox-prefs .vers img { display: inline; }

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.fixed .column-likes { width: 2.5em; padding: 4px 0; text-align: left; }

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.fixed .column-stats { width: 5em; white-space: nowrap; }

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.fixed .column-likes .post-com-count {

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-webkit-box-sizing: border-box;

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-moz-box-sizing: border-box;

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box-sizing: border-box;

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display: inline-block;

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padding: 0 4px;

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min-width: 2em;

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text-align: center;

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height: 2em;

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margin-top: 5px;

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-webkit-border-radius: 5px;

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border-radius: 5px;

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background-color: #787c82;

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color: #FFF;

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font-size: 11px;

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line-height: 21px;

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}

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.fixed .column-likes .post-com-count::after { border: none !important; }

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.fixed .column-likes .post-com-count:hover { background-color: #2271b1; }

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.fixed .column-likes .vers::before {

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font: normal 20px/1 dashicons;

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content: '\f155';

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speak: none;

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-webkit-font-smoothing: antialiased;

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-moz-osx-font-smoothing: grayscale;

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}

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@media screen and (max-width: 782px) {

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.fixed .column-likes {

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display: none;

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}

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}

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</style>

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<?php

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}

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/**

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* Load the JS required for loading the like counts.

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public function enqueue_admin_scripts() {

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if ( empty( $_GET['post_type'] ) || 'post' === $_GET['post_type'] || 'page' === $_GET['post_type'] ) { //phpcs:ignore WordPress.Security.NonceVerification.Recommended

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wp_enqueue_script(

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'likes-post-count',

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Assets::get_file_url_for_environment(

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'_inc/build/likes/post-count.min.js',

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'modules/likes/post-count.js'

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array( 'jquery' ),

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JETPACK__VERSION,

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$in_footer = false

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);

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wp_enqueue_script(

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'likes-post-count-jetpack',

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Assets::get_file_url_for_environment(

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'_inc/build/likes/post-count-jetpack.min.js',

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'modules/likes/post-count-jetpack.js'

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array( 'jquery', 'likes-post-count' ),

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JETPACK__VERSION,

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$in_footer = false

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);

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}

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}

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/**

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* Add "Likes" column data to the post edit table in wp-admin.

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* @param string $column_name - name of the column.

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* @param int $post_id - the post id.

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public function likes_edit_column( $column_name, $post_id ) {

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if ( 'likes' === $column_name ) {

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$blog_id = Jetpack_Options::get_option( 'id' );

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$permalink = get_permalink( get_the_ID() );

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<a title="" data-post-id="<?php echo (int) $post_id; ?>" class="post-com-count post-like-count" id="post-like-count-<?php echo (int) $post_id; ?>" data-blog-id="<?php echo (int) $blog_id; ?>" href="<?php echo esc_url( $permalink ); ?>#like-<?php echo (int) $post_id; ?>">

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</a>

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<?php

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}

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}

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/**

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* Add a "Likes" column header to the post edit table in wp-admin.

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* @param array $columns - array of columns in wp-admin.

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public function add_like_count_column( $columns ) {

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$date = $columns['date'];

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unset( $columns['date'] );

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$columns['likes'] = '<span class="vers"><img title="' . esc_attr__( 'Likes', 'jetpack' ) . '" alt="' . esc_attr__( 'Likes', 'jetpack' ) . '" src="//s0.wordpress.com/i/like-grey-icon.png" /><span class="screen-reader-text">' . __( 'Likes', 'jetpack' ) . '</span></span>';

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$columns['date'] = $date;

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return $columns;

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}

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/**

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* Append like button to content.

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* @param string $content - content of the page.

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public function post_likes( $content ) {

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global $wp_current_filter;

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$post_id = get_the_ID();

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if ( ! is_numeric( $post_id ) || ! $this->settings->is_likes_visible() ) {

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return $content;

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}

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// Do not output Likes on requests for ActivityPub requests.

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if (

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function_exists( '\Activitypub\is_activitypub_request' )

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&& \Activitypub\is_activitypub_request()

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) {

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return $content;

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}

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// Ensure we don't display like button on post excerpts that are hooked inside the post content

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if ( in_array( 'the_excerpt', (array) $wp_current_filter, true ) &&

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in_array( 'the_content', (array) $wp_current_filter, true ) ) {

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return $content;

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}

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$blog_id = Jetpack_Options::get_option( 'id' );

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$url = home_url();

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$url_parts = wp_parse_url( $url );

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$domain = $url_parts['host'];

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// Make sure to include the `queuehandler` scripts before the iframe otherwise the script won't find the iframe.

[431] Fix | Delete

if ( ! has_action( 'wp_footer', 'jetpack_likes_master_iframe' ) ) {

[432] Fix | Delete

add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 );

[433] Fix | Delete

}

[434] Fix | Delete

[435] Fix | Delete

/**

[436] Fix | Delete

* If the same post appears more then once on a page the page goes crazy

[437] Fix | Delete

* we need a slightly more unique id / name for the widget wrapper.

[438] Fix | Delete

[439] Fix | Delete

$uniqid = uniqid();

[440] Fix | Delete

$src = sprintf( 'https://widgets.wp.com/likes/?ver=%1$s#blog_id=%2$d&post_id=%3$d&origin=%4$s&obj_id=%2$d-%3$d-%5$s', rawurlencode( JETPACK__VERSION ), $blog_id, $post_id, $domain, $uniqid );

[441] Fix | Delete

$name = sprintf( 'like-post-frame-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid );

[442] Fix | Delete

$wrapper = sprintf( 'like-post-wrapper-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid );

[443] Fix | Delete

$headline = sprintf(

[444] Fix | Delete

/** This filter is already documented in modules/sharedaddy/sharing-service.php */

[445] Fix | Delete

apply_filters( 'jetpack_sharing_headline_html', '<h3 class="sd-title">%s</h3>', esc_html__( 'Like this:', 'jetpack' ), 'likes' ),

[446] Fix | Delete

esc_html__( 'Like this:', 'jetpack' )

[447] Fix | Delete

);

[448] Fix | Delete

[449] Fix | Delete

$title = esc_html__( 'Like or Reblog', 'jetpack' );

[450] Fix | Delete

[451] Fix | Delete

/** This filter is documented in modules/likes/jetpack-likes-master-iframe.php */

[452] Fix | Delete

$src = apply_filters( 'jetpack_likes_iframe_src', $src );

[453] Fix | Delete

[454] Fix | Delete

$html = "<div class='sharedaddy sd-block sd-like jetpack-likes-widget-wrapper jetpack-likes-widget-unloaded' id='$wrapper' data-src='$src' data-name='$name' data-title='$title'>";

[455] Fix | Delete

$html .= $headline;

[456] Fix | Delete

$html .= "<div class='likes-widget-placeholder post-likes-widget-placeholder' style='height: 55px;'><span class='button'><span>" . esc_html__( 'Like', 'jetpack' ) . '</span></span> <span class="loading">' . esc_html__( 'Loading...', 'jetpack' ) . '</span></div>';

[457] Fix | Delete

$html .= "<span class='sd-text-color'></span><a class='sd-link-color'></a>";

[458] Fix | Delete

$html .= '</div>';

[459] Fix | Delete

[460] Fix | Delete

// Let's make sure that the script is enqueued.

[461] Fix | Delete

wp_enqueue_script( 'jetpack_likes_queuehandler' );

[462] Fix | Delete

[463] Fix | Delete

return $content . $html;

[464] Fix | Delete

}

[465] Fix | Delete

}

[466] Fix | Delete

[467] Fix | Delete

/**

[468] Fix | Delete

* Callback to get the value for the jetpack_likes_enabled field.

[469] Fix | Delete

[470] Fix | Delete

* Warning: this behavior is somewhat complicated!

[471] Fix | Delete

* When the switch_like_status post_meta is unset, we follow the global setting in Sharing.

[472] Fix | Delete

* When it is set to 0, we disable likes on the post, regardless of the global setting.

[473] Fix | Delete

* When it is set to 1, we enable likes on the post, regardless of the global setting.

[474] Fix | Delete

[475] Fix | Delete

* @param array $post - post data we're checking.

[476] Fix | Delete

[477] Fix | Delete

* @return bool

[478] Fix | Delete

[479] Fix | Delete

function jetpack_post_likes_get_value( array $post ) {

[480] Fix | Delete

if ( ! isset( $post['id'] ) ) {

[481] Fix | Delete

return false;

[482] Fix | Delete

}

[483] Fix | Delete

[484] Fix | Delete

$post_likes_switched = get_post_meta( $post['id'], 'switch_like_status', true );

[485] Fix | Delete

[486] Fix | Delete

/** This filter is documented in modules/jetpack-likes-settings.php */

[487] Fix | Delete

$sitewide_likes_enabled = (bool) apply_filters( 'wpl_is_enabled_sitewide', ! get_option( 'disabled_likes' ) );

[488] Fix | Delete

[489] Fix | Delete

// An empty string: post meta was not set, so go with the global setting.

[490] Fix | Delete

if ( '' === $post_likes_switched ) {

[491] Fix | Delete

return $sitewide_likes_enabled;

[492] Fix | Delete

} elseif ( '0' === $post_likes_switched ) { // User overrode the global setting to disable likes.

[493] Fix | Delete

return false;

[494] Fix | Delete

} elseif ( '1' === $post_likes_switched ) { // User overrode the global setting to enable likes.

[495] Fix | Delete

return true;

[496] Fix | Delete

}

[497] Fix | Delete

// No default fallback, let's stay explicit.

[498] Fix | Delete

}

[499] Fix | Delete