<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
use Automattic\Jetpack\Sync\Settings;
/**
* Jetpack likes settings class.
*/
class Jetpack_Likes_Settings {
/**
* False if running on WPCOM Simple
*
* @var bool
*/
public $in_jetpack;
/**
* Constructor function.
*/
public function __construct() {
$this->in_jetpack = ! ( defined( 'IS_WPCOM' ) && IS_WPCOM );
}
/**
* Replaces the "Sharing" title for the post screen metabox with "Likes and Shares"
*/
public function add_likes_to_sharing_meta_box_title() {
return __( 'Likes and Shares', 'jetpack' );
}
/**
* Adds a metabox to the post screen if the sharing one doesn't currently exist.
*/
public function add_meta_box() {
if (
/**
* Allow disabling of the Likes metabox on the post editor screen.
*
* @module likes
*
* @since 2.2.0
*
* @param bool false Should the Likes metabox be disabled? Default to false.
*/
apply_filters( 'post_flair_disable', false )
) {
return;
}
$post_types = get_post_types( array( 'public' => true ) );
/**
* Filters the Likes metabox title.
*
* @module likes
*
* @since 2.2.0
*
* @param string Likes metabox title. Default to "Likes".
*/
$title = apply_filters( 'likes_meta_box_title', __( 'Likes', 'jetpack' ) );
foreach ( $post_types as $post_type ) {
add_meta_box( 'likes_meta', $title, array( $this, 'meta_box_content' ), $post_type, 'side', 'default', array( '__back_compat_meta_box' => true ) );
}
}
/**
* Shows the likes option in the post screen metabox.
*
* @param object $post - the post object.
*/
public function meta_box_content( $post ) {
$post_id = ! empty( $post->ID ) ? (int) $post->ID : get_the_ID();
$checked = true;
$disabled = ! $this->is_enabled_sitewide();
$switched_status = get_post_meta( $post_id, 'switch_like_status', true );
if ( $disabled && empty( $switched_status ) || ! $disabled && $switched_status === '0' ) {
$checked = false;
}
/**
* Fires before the Likes meta box content in the post editor.
*
* @module likes
*
* @since 2.2.0
*
* @param WP_Post|array|null $post Post data.
*/
do_action( 'start_likes_meta_box_content', $post );
?>
<p>
<label for="wpl_enable_post_likes">
<input type="checkbox" name="wpl_enable_post_likes" id="wpl_enable_post_likes" value="1" <?php checked( $checked ); ?>>
<?php esc_html_e( 'Show likes.', 'jetpack' ); ?>
</label>
<input type="hidden" name="wpl_like_status_hidden" value="1" />
<?php wp_nonce_field( 'likes-and-shares', '_likesharenonce' ); ?>
</p>
<?php
/**
* Fires after the Likes meta box content in the post editor.
*
* @module likes
*
* @since 2.2.0
*
* @param WP_Post|array|null $post Post data.
*/
do_action( 'end_likes_meta_box_content', $post );
}
/**
* Returns the current state of the "WordPress.com Likes are" option.
*
* @return boolean true if enabled sitewide, false if not
*/
public function is_enabled_sitewide() {
/**
* Filters whether Likes are enabled by default on all posts.
* true if enabled sitewide, false if not.
*
* @module likes
*
* @since 2.2.0
*
* @param bool $option Are Likes enabled sitewide.
*/
return (bool) apply_filters( 'wpl_is_enabled_sitewide', ! Jetpack_Options::get_option_and_ensure_autoload( 'disabled_likes', 0 ) );
}
/**
* Handle meta box saving.
*
* @param int $post_id - the post ID.
*/
public function meta_box_save( $post_id ) {
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
return $post_id;
}
if ( empty( $_POST['wpl_like_status_hidden'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing -- we're not changing anything on the site.
return $post_id;
}
if ( ! isset( $_POST['_likesharenonce'] ) || ! wp_verify_nonce( $_POST['_likesharenonce'], 'likes-and-shares' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput -- WordPress core doesn't unslash or verify nonces either.
return $post_id;
}
// Record sharing disable. Only needs to be done for WPCOM.
if ( ! $this->in_jetpack ) {
if ( isset( $_POST['post_type'] ) && in_array( $_POST['post_type'], get_post_types( array( 'public' => true ) ), true ) ) {
if ( ! isset( $_POST['wpl_enable_post_sharing'] ) ) {
update_post_meta( $post_id, 'sharing_disabled', 1 );
} else {
delete_post_meta( $post_id, 'sharing_disabled' );
}
}
}
if ( 'post' === $_POST['post_type'] ) {
if ( ! current_user_can( 'edit_post', $post_id ) ) {
return $post_id;
}
}
// Record a change in like status for this post - only if it contradicts the
// site like setting. If it doesn't contradict, then we delete the new individual status.
if ( ! $this->is_enabled_sitewide() && ! empty( $_POST['wpl_enable_post_likes'] ) ) {
// Likes turned on for individual posts. User wants to add the button to a single post.
update_post_meta( $post_id, 'switch_like_status', 1 );
} elseif ( $this->is_enabled_sitewide() && empty( $_POST['wpl_enable_post_likes'] ) ) {
// Likes turned on for all posts. User wants to remove the button from a single post.
update_post_meta( $post_id, 'switch_like_status', 0 );
} elseif (
( ! $this->is_enabled_sitewide() && empty( $_POST['wpl_enable_post_likes'] ) ) ||
( $this->is_enabled_sitewide() && ! empty( $_POST['wpl_enable_post_likes'] ) )
) {
// User wants to update the likes button status for an individual post, but the new status
// is the same as if they're asking for the default behavior according to the current Likes setting.
// So we delete the meta.
delete_post_meta( $post_id, 'switch_like_status' );
}
return $post_id;
}
/**
* WordPress.com: Metabox option for sharing (sharedaddy will handle this on the JP blog).
*
* @param object $post - the post object.
*/
public function sharing_meta_box_content( $post ) {
$post_id = ! empty( $post->ID ) ? (int) $post->ID : get_the_ID();
$disabled = get_post_meta( $post_id, 'sharing_disabled', true );
?>
<p>
<label for="wpl_enable_post_sharing">
<input type="checkbox" name="wpl_enable_post_sharing" id="wpl_enable_post_sharing" value="1" <?php checked( ! $disabled ); ?>>
<?php esc_html_e( 'Show sharing buttons.', 'jetpack' ); ?>
</label>
<input type="hidden" name="wpl_sharing_status_hidden" value="1" />
</p>
<?php
}
/**
* Adds the 'sharing' menu to the settings menu.
* Only ran if sharedaddy and publicize are not already active.
*
* @deprecated 13.2
*/
public function sharing_menu() {
add_submenu_page( 'options-general.php', esc_html__( 'Sharing Settings', 'jetpack' ), esc_html__( 'Sharing', 'jetpack' ), 'manage_options', 'sharing', array( $this, 'sharing_page' ) );
}
/**
* Provides a sharing page with the sharing_global_options hook
* so we can display the setting.
* Only ran if sharedaddy and publicize are not already active.
*
* @deprecated 13.2
*/
public function sharing_page() {
$this->updated_message();
?>
<div class="wrap">
<div class="icon32" id="icon-options-general"><br /></div>
<h1><?php esc_html_e( 'Sharing Settings', 'jetpack' ); ?></h1>
<?php
/** This action is documented in modules/sharedaddy/sharing.php */
do_action( 'pre_admin_screen_sharing' );
?>
<?php $this->sharing_block(); ?>
</div>
<?php
}
/**
* Returns the settings have been saved message.
*
* @deprecated 13.2
*/
public function updated_message() {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- ignoring since we are just displaying that the settings have been saved and not making any other changes to the site.
if ( isset( $_GET['update'] ) && 'saved' === $_GET['update'] ) {
echo '<div class="updated"><p>' . esc_html__( 'Settings have been saved', 'jetpack' ) . '</p></div>';
}
}
/**
* Returns just the "sharing buttons" w/ like option block, so it can be inserted into different sharing page contexts
*
* @deprecated 13.2
*/
public function sharing_block() {
?>
<h2><?php esc_html_e( 'Sharing Buttons', 'jetpack' ); ?></h2>
<form method="post" action="">
<table class="form-table">
<tbody>
<?php
/** This action is documented in modules/sharedaddy/sharing.php */
do_action( 'sharing_global_options' );
?>
</tbody>
</table>
<p class="submit">
<input type="submit" name="submit" class="button-primary" value="<?php esc_attr_e( 'Save Changes', 'jetpack' ); ?>" />
<?php wp_nonce_field( 'sharing-options' ); ?>
</form>
<?php
}
/**
* Are likes enabled for this post?
*
* @param int $post_id - the post ID.
* @return bool
*/
public function is_post_likeable( $post_id = 0 ) {
$post = get_post( $post_id );
if ( ! $post || is_wp_error( $post ) ) {
return false;
}
$sitewide_likes_enabled = (bool) $this->is_enabled_sitewide();
$post_likes_switched = get_post_meta( $post->ID, 'switch_like_status', true );
/*
* On WPCOM, headstart was inserting bad data for post_likes_switched.
* it was wrapping the boolean value in an array. The array is always truthy regardless of its contents.
* There was another bug where truthy values were ignored if the global like setting was false.
* So in effect, the values for headstart never had an inpact.
* Delete the $post_likes_switched flag in this case in order to keep the behaviour as it was.
*/
if ( is_array( $post_likes_switched ) ) {
$post_likes_switched = null;
}
/*
* on WPCOM, we need to look at post edit date so we don't break old posts
* if post edit date predates this code, stick with the former (buggy) behavior
* see: p7DVsv-64H-p2
*/
$last_modified_time = strtotime( $post->post_modified_gmt );
$behavior_was_changed_at = strtotime( '2019-02-22 00:40:42' );
if ( $this->in_jetpack || $last_modified_time > $behavior_was_changed_at ) {
/*
* the new and improved behavior on Jetpack and recent WPCOM posts:
* $post_likes_switched is empty to follow site setting,
* 0 if we want likes disabled, 1 if we want likes enabled.
*/
return $post_likes_switched || ( $sitewide_likes_enabled && $post_likes_switched !== '0' );
}
// implicit else (old behavior): $post_likes_switched simply inverts the global setting.
return ( (bool) $post_likes_switched ) xor $sitewide_likes_enabled;
}
/**
* Is the like button itself visible (as opposed to the reblog button)
*
* If called from within The Loop or if called with a $post_id set, then the post will be checked.
* Otherwise the sitewide setting will be used.
*
* @param int $post_id The ID of the post being rendered. Defaults to the current post if called from within The Loop.
* @return bool
*/
public function is_likes_button_visible( $post_id = 0 ) {
if ( in_the_loop() || $post_id ) {
// If in The Loop, is_post_likeable will check the current post.
return $this->is_post_likeable( $post_id );
} else {
// Otherwise, check and see if likes are enabled sitewide.
return $this->is_enabled_sitewide();
}
}
/**
* Are likes visible in this context?
*
* Some of this code was taken and modified from sharing_display() to ensure
* similar logic and filters apply here, too.
*/
public function is_likes_visible() {
if ( Settings::is_syncing() ) {
return false;
}
return $this->is_likes_button_visible() && $this->is_likes_module_enabled();
}
/**
* Apply filters to determine if the likes module itself is enabled
*
* @return bool
*/
public function is_likes_module_enabled() {
global $wp_current_filter; // Used to apply 'sharing_show' filter.
$post = get_post();
$enabled = true;
// Never show on feeds or previews.
if ( is_feed() || is_preview() ) {
$enabled = false;
// Not a feed or preview, so what is it?
} else {
if ( post_password_required() ) {
$enabled = false;
}
if ( in_array( 'get_the_excerpt', (array) $wp_current_filter, true ) ) {
$enabled = false;
}
// Sharing Setting Overrides ****************************************
// Single post including custom post types.
if ( is_single() ) {
if ( ! $this->is_single_post_enabled( ( $post instanceof WP_Post ) ? $post->post_type : 'post' ) ) {
$enabled = false;
}
// Single page.
} elseif ( is_page() && ! is_front_page() ) {
if ( ! $this->is_single_page_enabled() ) {
$enabled = false;
}
// Attachment.
} elseif ( is_attachment() ) {
if ( ! $this->is_attachment_enabled() ) {
$enabled = false;
}
// All other loops.
} elseif ( ! $this->is_index_enabled() ) {
$enabled = false;
}
}
if ( $post instanceof WP_Post ) {
// Check that the post is a public, published post.
if ( 'attachment' === $post->post_type ) {
$post_status = get_post_status( $post->post_parent );
} else {
$post_status = $post->post_status;
}
if ( 'publish' !== $post_status ) {
$enabled = false;
}
}
// Run through the sharing filters.
/** This filter is documented in modules/sharedaddy/sharing-service.php */
$enabled = apply_filters( 'sharing_show', $enabled, $post );
/**
* Filters whether the Likes should be visible or not.
* Allows overwriting the options set in Settings > Sharing.
*
* @module likes
*
* @since 2.2.0
*
* @param bool $enabled Should the Likes be visible?
*/
return (bool) apply_filters( 'wpl_is_likes_visible', $enabled );
}
/**
* Are Post Likes enabled on single posts?
*
* @param string $post_type custom post type identifier.
* @return bool
*/
public function is_single_post_enabled( $post_type = 'post' ) {
$options = $this->get_options();
return (bool) apply_filters(
/**
* Filters whether Likes should be enabled on single posts.
*
* The dynamic part of the filter, {$post_type}, allows you to specific the post type where Likes should be enabled.
*
* @module likes
*
* @since 2.2.0
*
* @param bool $enabled Are Post Likes enabled on single posts?
*/
"wpl_is_single_{$post_type}_disabled",
(bool) in_array( $post_type, $options['show'], true )
);
}
/**
* Get the 'disabled_likes' option from the DB of the current blog.
*
* @return array
*/
public function get_options() {
$setting = array();
$setting['disabled'] = get_option( 'disabled_likes' );
$sharing = get_option( 'sharing-options', array() );
// Default visibility settings
if ( ! isset( $sharing['global']['show'] ) ) {
$sharing['global']['show'] = array( 'post', 'page' );
// Scalar check
} elseif ( is_scalar( $sharing['global']['show'] ) ) {
switch ( $sharing['global']['show'] ) {
case 'posts':
$sharing['global']['show'] = array( 'post', 'page' );
break;
case 'index':
$sharing['global']['show'] = array( 'index' );
break;
case 'posts-index':
$sharing['global']['show'] = array( 'post', 'page', 'index' );
break;
}
}
// Ensure it's always an array (even if not previously empty or scalar)
$setting['show'] = ! empty( $sharing['global']['show'] ) ? (array) $sharing['global']['show'] : array();
/**
* Filters where the Likes are displayed.
*
* @module likes
*
* @since 2.2.0
*
* @param array $setting Array of Likes display settings.
*/
return apply_filters( 'wpl_get_options', $setting );
}
/**
* Are Post Likes enabled on archive/front/search pages?
*
* @return bool
*/
public function is_index_enabled() {
$options = $this->get_options();
/**
* Filters whether Likes should be enabled on archive/front/search pages.
*
* @module likes
*
* @since 2.2.0
*
* @param bool $enabled Are Post Likes enabled on archive/front/search pages?
*/
return (bool) apply_filters( 'wpl_is_index_disabled', (bool) in_array( 'index', $options['show'], true ) );
}
/**
* Are Post Likes enabled on single pages?
*
* @return bool
*/
public function is_single_page_enabled() {
$options = $this->get_options();
/**
* Filters whether Likes should be enabled on single pages.
*
* @module likes
*
* @since 2.2.0
*
* @param bool $enabled Are Post Likes enabled on single pages?
*/
return (bool) apply_filters( 'wpl_is_single_page_disabled', (bool) in_array( 'page', $options['show'], true ) );
}
/**
* Are Media Likes enabled on single pages?
*
* @return bool
*/
public function is_attachment_enabled() {
$options = $this->get_options();
/**
* Filters whether Likes should be enabled on attachment pages.
*
* @module likes
*
* @since 2.2.0
*
* @param bool $enabled Are Post Likes enabled on attachment pages?
*/
return (bool) apply_filters( 'wpl_is_attachment_disabled', (bool) in_array( 'attachment', $options['show'], true ) );
}
/**
* The actual options block to be inserted into the sharing page.
*/
public function admin_settings_init() {
?>
<tr>
<th scope="row">
<label><?php esc_html_e( 'WordPress.com Likes are', 'jetpack' ); ?></label>
</th>
<td>
<div>
<label>
<input type="radio" class="code" name="wpl_default" value="on" <?php checked( $this->is_enabled_sitewide(), true ); ?> />
<?php esc_html_e( 'On for all posts', 'jetpack' ); ?>
</label>
</div>
<div>
<label>
<input type="radio" class="code" name="wpl_default" value="off" <?php checked( $this->is_enabled_sitewide(), false ); ?> />
<?php esc_html_e( 'Turned on per post', 'jetpack' ); ?>
</label>
<div>
</td>
</tr>
<?php if ( ! $this->in_jetpack ) : ?>
<tr>
<th scope="row">
<label><?php esc_html_e( 'WordPress.com Reblog Button', 'jetpack' ); ?></label>
</th>
<td>
<div>
<label>
<input type="radio" class="code" name="jetpack_reblogs_enabled" value="on" <?php checked( $this->reblogs_enabled_sitewide(), true ); ?> />
<?php esc_html_e( 'Show the Reblog button on posts', 'jetpack' ); ?>
</label>
</div>
<div>
<label>
<input type="radio" class="code" name="jetpack_reblogs_enabled" value="off" <?php checked( $this->reblogs_enabled_sitewide(), false ); ?> />
<?php esc_html_e( 'Don\'t show the Reblog button on posts', 'jetpack' ); ?>
</label>
</div>
</td>
</tr>
<!-- WPCOM only: Comment Likes -->
<?php if ( ! $this->in_jetpack ) : ?>
<tr>
<th scope="row">
<label><?php esc_html_e( 'Comment Likes are', 'jetpack' ); ?></label>
</th>
<td>
<div>
<label>
<input type="checkbox" class="code" name="jetpack_comment_likes_enabled" value="1" <?php checked( $this->is_comments_enabled(), true ); ?> />
<?php esc_html_e( 'On for all comments', 'jetpack' ); ?>
</label>
</div>
</td>
</tr>
<?php endif; ?>
<?php endif; ?>
</tbody> <?php // closes the tbody attached to sharing_show_buttons_on_row_start... ?>
<?php
}
/**
* Returns the current state of the "WordPress.com Reblogs are" option.
*
* @return bool true if enabled sitewide, false if not
*/
public function reblogs_enabled_sitewide() {
/**
* Filters whether Reblogs are enabled by default on all posts.
* true if enabled sitewide, false if not.
*
* @module likes
*
* @since 3.0.0
*
* @param bool $option Are Reblogs enabled sitewide.
*/
return (bool) apply_filters( 'wpl_reblogging_enabled_sitewide', ! get_option( 'disabled_reblogs' ) );
}
/**
* Used for WPCOM ONLY. Comment likes are in their own module in Jetpack.
* Returns if comment likes are enabled. Defaults to 'off'
*
* @return boolean true if we should show comment likes, false if not
*/
public function is_comments_enabled() {
/**
* Filters whether Comment Likes are enabled.
* true if enabled, false if not.
*
* @module comment-likes
*
* @since 2.2.0
*
* @param bool $option Are Comment Likes enabled sitewide.
*/
return (bool) apply_filters( 'jetpack_comment_likes_enabled', get_option( 'jetpack_comment_likes_enabled', false ) );
}
/**
* Saves the setting in the database.
*/
public function admin_settings_callback() {
if ( ! isset( $_POST['_wpnonce'] ) || ! wp_verify_nonce( $_POST['_wpnonce'], 'sharing-options' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput -- WordPress core doesn't unslash or verify nonces either.
return;
}
// We're looking for these, and doing a dance to set some stats and save
// them together in array option.
if ( ! empty( $_POST['wpl_default'] ) ) {
$new_state = sanitize_text_field( wp_unslash( $_POST['wpl_default'] ) );
} else {
$new_state = 'on';
}
if ( ! empty( $_POST['jetpack_reblogs_enabled'] ) ) {
$reblogs_new_state = sanitize_text_field( wp_unslash( $_POST['jetpack_reblogs_enabled'] ) );
} else {
$reblogs_new_state = 'on';
}
// Checked (enabled)
switch ( $new_state ) {
case 'off':
update_option( 'disabled_likes', 1 );
break;
case 'on':
default:
delete_option( 'disabled_likes' );
break;
}
switch ( $reblogs_new_state ) {
case 'off':
update_option( 'disabled_reblogs', 1 );
break;
case 'on':
default:
delete_option( 'disabled_reblogs' );
break;
}
// WPCOM only: Comment Likes
if ( ! $this->in_jetpack ) {
if ( ! empty( $_POST['jetpack_comment_likes_enabled'] ) ) {
$new_comments_state = sanitize_text_field( wp_unslash( $_POST['jetpack_comment_likes_enabled'] ) );
} else {
$new_comments_state = false;
}
switch ( (bool) $new_comments_state ) {
case true:
update_option( 'jetpack_comment_likes_enabled', 1 );
break;
case false:
default:
update_option( 'jetpack_comment_likes_enabled', 0 );
break;
}
}
}
/**
* Adds the admin update hook so we can save settings even if Sharedaddy is not enabled.
*/
public function process_update_requests_if_sharedaddy_not_loaded() {
if ( isset( $_GET['page'] ) && ( $_GET['page'] === 'sharing.php' || $_GET['page'] === 'sharing' ) ) {
if ( isset( $_POST['_wpnonce'] ) && wp_verify_nonce( $_POST['_wpnonce'], 'sharing-options' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput -- WordPress core doesn't unslash or verify nonces either.
/** This action is documented in modules/sharedaddy/sharing.php */
do_action( 'sharing_admin_update' );
wp_safe_redirect( admin_url( 'options-general.php?page=sharing&update=saved' ) );
die();
}
}
}
/**
* If sharedaddy is not loaded, we don't have the "Show buttons on" yet, so we need to add that since it affects likes too.
*/
public function admin_settings_showbuttonon_init() {
/** This action is documented in modules/sharedaddy/sharing.php */
echo apply_filters( 'sharing_show_buttons_on_row_start', '<tr valign="top">' ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
?>
<th scope="row"><label><?php esc_html_e( 'Show buttons on', 'jetpack' ); ?></label></th>
<td>
<?php
$br = false;
$shows = array_values( get_post_types( array( 'public' => true ) ) );
array_unshift( $shows, 'index' );
$global = $this->get_options();
foreach ( $shows as $show ) :
if ( 'index' === $show ) {
$label = __( 'Front Page, Archive Pages, and Search Results', 'jetpack' );
} else {
$post_type_object = get_post_type_object( $show );
$label = $post_type_object->labels->name;
}
if ( $br ) {
echo '<br />';
}
?>
<label><input type="checkbox"<?php checked( in_array( $show, $global['show'], true ) ); ?> name="show[]" value="<?php echo esc_attr( $show ); ?>" /> <?php echo esc_html( $label ); ?></label>
<?php
$br = true;
endforeach;
?>
</td>
<?php
/** This action is documented in modules/sharedaddy/sharing.php */
echo apply_filters( 'sharing_show_buttons_on_row_end', '</tr>' ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
/**
* If sharedaddy is not loaded, we still need to save the the settings of the "Show buttons on" option.
*/
public function admin_settings_showbuttonon_callback() {
$options = get_option( 'sharing-options' );
if ( ! is_array( $options ) ) {
$options = array();
}
$shows = array_values( get_post_types( array( 'public' => true ) ) );
$shows[] = 'index';
// phpcs:ignore WordPress.Security.NonceVerification.Missing -- triggered due to the 'sharing_admin_update' action, but the code in sharing.php checks for the nonce before firing the action.
$data = $_POST;
if ( isset( $data['show'] ) ) {
if ( is_scalar( $data['show'] ) ) {
switch ( $data['show'] ) {
case 'posts':
$data['show'] = array( 'post', 'page' );
break;
case 'index':
$data['show'] = array( 'index' );
break;
case 'posts-index':
$data['show'] = array( 'post', 'page', 'index' );
break;
}
}
$data['show'] = array_intersect( $data['show'], $shows );
if ( $data['show'] ) {
$options['global']['show'] = $data['show'];
}
} else {
$options['global']['show'] = array();
}
update_option( 'sharing-options', $options );
}
}