# jetpack/16.3-a.5/modules/likes/jetpack-likes-settings.php

Jetpack – WP Security, Backup, Speed, & Growth, version 16.3-a.5. 685 lines.

- Page: https://pluginprobe.com/plugins/jetpack/16.3-a.5/code/modules/likes/jetpack-likes-settings.php
- Raw: https://pluginprobe.com/plugins/jetpack/16.3-a.5/raw/modules/likes/jetpack-likes-settings.php
- Modified: 2026-09-29T02:50:08+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/jetpack/16.3-a.5/code/modules/likes/jetpack-likes-settings.php#L10-L20`.

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

use Automattic\Jetpack\Status\Host;
use Automattic\Jetpack\Sync\Settings;

/**
 * Jetpack likes settings class.
 */
class Jetpack_Likes_Settings {

	/**
	 * Determines whether the module runs in the Jetpack plugin, as opposed to WP.com Simple site environment
	 *
	 * @var bool
	 */
	public $in_jetpack = true;

	/**
	 * Constructor function.
	 */
	public function __construct() {
		$this->in_jetpack = ! ( new Host() )->is_wpcom_simple();
	}

	/**
	 * 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'] ) ) {
			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
	}

	/**
	 * Should we register the Settings > Sharing screen ourselves?
	 *
	 * @deprecated 16.3 Settings > Sharing is registered by Automattic\Jetpack\Sharing_Likes\Settings\Settings_Page.
	 *
	 * @param bool $sharedaddy_active Whether the Sharing (sharedaddy) module is active.
	 * @return bool
	 */
	public function needs_own_sharing_menu( $sharedaddy_active ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		_deprecated_function( __METHOD__, 'jetpack-16.3' );
		return false;
	}

	/**
	 * Adds the 'sharing' menu to the settings menu.
	 *
	 * @deprecated 16.3 Use Automattic\Jetpack\Sharing_Likes\Settings\Settings_Page::register_menu() instead.
	 *
	 * @return void
	 */
	public function sharing_menu() {
		_deprecated_function( __METHOD__, 'jetpack-16.3', 'Automattic\Jetpack\Sharing_Likes\Settings\Settings_Page::register_menu' );
	}

	/**
	 * Provides a sharing page with the sharing_global_options hook so we can display the setting.
	 *
	 * @deprecated 16.3 Use Automattic\Jetpack\Sharing_Likes\Settings\Settings_Page::render() instead.
	 *
	 * @return void
	 */
	public function sharing_page() {
		_deprecated_function( __METHOD__, 'jetpack-16.3', 'Automattic\Jetpack\Sharing_Likes\Settings\Settings_Page::render' );
	}

	/**
	 * Returns the settings have been saved message.
	 *
	 * @deprecated 16.3 Use Automattic\Jetpack\Sharing_Likes\Settings\Settings_Page::render() instead.
	 *
	 * @return void
	 */
	public function updated_message() {
		_deprecated_function( __METHOD__, 'jetpack-16.3', 'Automattic\Jetpack\Sharing_Likes\Settings\Settings_Page::render' );
	}

	/**
	 * Returns the Likes options block, so it can be inserted into different sharing page contexts.
	 *
	 * @deprecated 16.3 Use Automattic\Jetpack\Sharing_Likes\Settings\Likes_Section::render() instead.
	 *
	 * @return void
	 */
	public function sharing_block() {
		_deprecated_function( __METHOD__, 'jetpack-16.3', 'Automattic\Jetpack\Sharing_Likes\Settings\Likes_Section::render' );
	}

	/**
	 * 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;
		}

		if ( ! empty( $post->post_password ) ) {
			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();

		/**
		 * 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?
		 */
		$post_likes_enabled = apply_filters(
			"wpl_is_single_{$post_type}_disabled",
			in_array( $post_type, $options['show'], true )
		);

		return (bool) $post_likes_enabled;
	}

	/**
	 * 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() );

		if ( ! is_array( $sharing ) ) {
			$sharing = array();
		}
		if ( ! isset( $sharing['global'] ) || ! is_array( $sharing['global'] ) ) {
			$sharing['global'] = array();
		}

		// Default visibility settings
		if ( ! isset( $sharing['global']['show'] ) ) {
			$public_commentable_cpts = array_filter(
				get_post_types(
					array(
						'public'   => true,
						'_builtin' => false,
					)
				),
				function ( $post_type ) {
					return post_type_supports( $post_type, 'comments' );
				}
			);
			$public_commentable_cpts = array_values( $public_commentable_cpts );

			/**
			 * Filters the default post types that show Likes when no sharing settings have been saved.
			 *
			 * Only applies when the site has never explicitly configured Likes visibility.
			 * Once a site owner saves sharing settings, those are used instead.
			 *
			 * @since 16.2
			 *
			 * @param string[] $post_types Array of post type slugs that will show Likes by default.
			 */
			$sharing['global']['show'] = apply_filters(
				'jetpack_likes_default_post_types',
				array_merge( array( 'post', 'page' ), $public_commentable_cpts )
			);

			// 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).
		$show            = $sharing['global']['show'] ?? array();
		$setting['show'] = ! empty( $show ) ? (array) $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', 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', 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', in_array( 'attachment', $options['show'], true ) );
	}

	/**
	 * The actual options block to be inserted into the sharing page.
	 *
	 * @deprecated 16.3 Use Automattic\Jetpack\Sharing_Likes\Settings\Likes_Section::render() instead.
	 *
	 * @return void
	 */
	public function admin_settings_init() {
		_deprecated_function( __METHOD__, 'jetpack-16.3', 'Automattic\Jetpack\Sharing_Likes\Settings\Likes_Section::render' );
	}

	/**
	 * 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.
	 *
	 * @deprecated 16.3 Use Automattic\Jetpack\Sharing_Likes\Settings\Post_Handler::maybe_handle() instead.
	 *
	 * @return void
	 */
	public function admin_settings_callback() {
		_deprecated_function( __METHOD__, 'jetpack-16.3', 'Automattic\Jetpack\Sharing_Likes\Settings\Post_Handler::maybe_handle' );
	}

	/**
	 * Adds the admin update hook so we can save settings even if Sharedaddy is not enabled.
	 *
	 * @deprecated 16.3 Use Automattic\Jetpack\Sharing_Likes\Settings\Post_Handler::maybe_handle() instead.
	 *
	 * @return void
	 */
	public function process_update_requests_if_sharedaddy_not_loaded() {
		_deprecated_function( __METHOD__, 'jetpack-16.3', 'Automattic\Jetpack\Sharing_Likes\Settings\Post_Handler::maybe_handle' );
	}

	/**
	 * 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.
	 *
	 * @deprecated 16.3 Use Automattic\Jetpack\Sharing_Likes\Settings\Placement_Section::render() instead.
	 *
	 * @return void
	 */
	public function admin_settings_showbuttonon_init() {
		_deprecated_function( __METHOD__, 'jetpack-16.3', 'Automattic\Jetpack\Sharing_Likes\Settings\Placement_Section::render' );
	}

	/**
	 * If sharedaddy is not loaded, we still need to save the the settings of the "Show buttons on" option.
	 *
	 * @deprecated 16.3 Use Automattic\Jetpack\Sharing_Likes\Settings\Post_Handler::maybe_handle() instead.
	 *
	 * @return void
	 */
	public function admin_settings_showbuttonon_callback() {
		_deprecated_function( __METHOD__, 'jetpack-16.3', 'Automattic\Jetpack\Sharing_Likes\Settings\Post_Handler::maybe_handle' );
	}
}

```