2134 lines
68 KiB
PHP
2134 lines
68 KiB
PHP
<?php
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/**
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* Core Widgets API
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*
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* This API is used for creating dynamic sidebar without hardcoding functionality into
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* themes
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*
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* Includes both internal WordPress routines and theme-use routines.
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*
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* This functionality was found in a plugin before the WordPress 2.2 release, which
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* included it in the core from that point on.
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*
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* @link https://wordpress.org/documentation/article/manage-wordpress-widgets/
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* @link https://developer.wordpress.org/themes/functionality/widgets/
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*
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* @package WordPress
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* @subpackage Widgets
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* @since 2.2.0
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*/
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//
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// Global Variables.
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//
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/** @ignore */
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global $wp_registered_sidebars, $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates;
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/**
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* Stores the sidebars, since many themes can have more than one.
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*
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* @global array $wp_registered_sidebars Registered sidebars.
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* @since 2.2.0
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*/
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$wp_registered_sidebars = array();
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/**
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* Stores the registered widgets.
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*
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* @global array $wp_registered_widgets
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* @since 2.2.0
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*/
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$wp_registered_widgets = array();
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/**
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* Stores the registered widget controls (options).
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*
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* @global array $wp_registered_widget_controls
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* @since 2.2.0
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*/
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$wp_registered_widget_controls = array();
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/**
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* @global array $wp_registered_widget_updates
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*/
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$wp_registered_widget_updates = array();
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/**
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* Private
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*
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* @global array $_wp_sidebars_widgets
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*/
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$_wp_sidebars_widgets = array();
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/**
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* Private
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*
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* @global array $_wp_deprecated_widgets_callbacks
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*/
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$GLOBALS['_wp_deprecated_widgets_callbacks'] = array(
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'wp_widget_pages',
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'wp_widget_pages_control',
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'wp_widget_calendar',
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'wp_widget_calendar_control',
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'wp_widget_archives',
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'wp_widget_archives_control',
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'wp_widget_links',
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'wp_widget_meta',
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'wp_widget_meta_control',
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'wp_widget_search',
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'wp_widget_recent_entries',
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'wp_widget_recent_entries_control',
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'wp_widget_tag_cloud',
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'wp_widget_tag_cloud_control',
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'wp_widget_categories',
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'wp_widget_categories_control',
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'wp_widget_text',
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'wp_widget_text_control',
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'wp_widget_rss',
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'wp_widget_rss_control',
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'wp_widget_recent_comments',
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'wp_widget_recent_comments_control',
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);
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//
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// Template tags & API functions.
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//
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/**
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* Register a widget
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*
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* Registers a WP_Widget widget
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*
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* @since 2.8.0
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* @since 4.6.0 Updated the `$widget` parameter to also accept a WP_Widget instance object
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* instead of simply a `WP_Widget` subclass name.
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*
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* @see WP_Widget
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*
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* @global WP_Widget_Factory $wp_widget_factory
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*
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* @param string|WP_Widget $widget Either the name of a `WP_Widget` subclass or an instance of a `WP_Widget` subclass.
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*/
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function register_widget( $widget ) {
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global $wp_widget_factory;
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$wp_widget_factory->register( $widget );
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}
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/**
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* Unregisters a widget.
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*
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* Unregisters a WP_Widget widget. Useful for un-registering default widgets.
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* Run within a function hooked to the {@see 'widgets_init'} action.
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*
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* @since 2.8.0
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* @since 4.6.0 Updated the `$widget` parameter to also accept a WP_Widget instance object
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* instead of simply a `WP_Widget` subclass name.
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*
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* @see WP_Widget
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*
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* @global WP_Widget_Factory $wp_widget_factory
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*
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* @param string|WP_Widget $widget Either the name of a `WP_Widget` subclass or an instance of a `WP_Widget` subclass.
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*/
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function unregister_widget( $widget ) {
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global $wp_widget_factory;
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$wp_widget_factory->unregister( $widget );
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}
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/**
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* Creates multiple sidebars.
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*
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* If you wanted to quickly create multiple sidebars for a theme or internally.
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* This function will allow you to do so. If you don't pass the 'name' and/or
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* 'id' in `$args`, then they will be built for you.
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*
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* @since 2.2.0
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*
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* @see register_sidebar() The second parameter is documented by register_sidebar() and is the same here.
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*
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* @global array $wp_registered_sidebars The new sidebars are stored in this array by sidebar ID.
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*
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* @param int $number Optional. Number of sidebars to create. Default 1.
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* @param array|string $args {
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* Optional. Array or string of arguments for building a sidebar.
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*
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* @type string $id The base string of the unique identifier for each sidebar. If provided, and multiple
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* sidebars are being defined, the ID will have "-2" appended, and so on.
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* Default 'sidebar-' followed by the number the sidebar creation is currently at.
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* @type string $name The name or title for the sidebars displayed in the admin dashboard. If registering
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* more than one sidebar, include '%d' in the string as a placeholder for the uniquely
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* assigned number for each sidebar.
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* Default 'Sidebar' for the first sidebar, otherwise 'Sidebar %d'.
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* }
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*/
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function register_sidebars( $number = 1, $args = array() ) {
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global $wp_registered_sidebars;
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$number = (int) $number;
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if ( is_string( $args ) ) {
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parse_str( $args, $args );
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}
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for ( $i = 1; $i <= $number; $i++ ) {
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$_args = $args;
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if ( $number > 1 ) {
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if ( isset( $args['name'] ) ) {
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$_args['name'] = sprintf( $args['name'], $i );
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} else {
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/* translators: %d: Sidebar number. */
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$_args['name'] = sprintf( __( 'Sidebar %d' ), $i );
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}
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} else {
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$_args['name'] = isset( $args['name'] ) ? $args['name'] : __( 'Sidebar' );
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}
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// Custom specified ID's are suffixed if they exist already.
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// Automatically generated sidebar names need to be suffixed regardless starting at -0.
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if ( isset( $args['id'] ) ) {
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$_args['id'] = $args['id'];
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$n = 2; // Start at -2 for conflicting custom IDs.
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while ( is_registered_sidebar( $_args['id'] ) ) {
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$_args['id'] = $args['id'] . '-' . $n++;
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}
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} else {
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$n = count( $wp_registered_sidebars );
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do {
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$_args['id'] = 'sidebar-' . ++$n;
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} while ( is_registered_sidebar( $_args['id'] ) );
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}
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register_sidebar( $_args );
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}
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}
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/**
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* Builds the definition for a single sidebar and returns the ID.
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*
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* Accepts either a string or an array and then parses that against a set
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* of default arguments for the new sidebar. WordPress will automatically
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* generate a sidebar ID and name based on the current number of registered
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* sidebars if those arguments are not included.
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*
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* When allowing for automatic generation of the name and ID parameters, keep
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* in mind that the incrementor for your sidebar can change over time depending
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* on what other plugins and themes are installed.
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*
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* If theme support for 'widgets' has not yet been added when this function is
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* called, it will be automatically enabled through the use of add_theme_support()
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*
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* @since 2.2.0
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* @since 5.6.0 Added the `before_sidebar` and `after_sidebar` arguments.
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* @since 5.9.0 Added the `show_in_rest` argument.
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*
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* @global array $wp_registered_sidebars Registered sidebars.
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*
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* @param array|string $args {
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* Optional. Array or string of arguments for the sidebar being registered.
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*
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* @type string $name The name or title of the sidebar displayed in the Widgets
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* interface. Default 'Sidebar $instance'.
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* @type string $id The unique identifier by which the sidebar will be called.
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* Default 'sidebar-$instance'.
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* @type string $description Description of the sidebar, displayed in the Widgets interface.
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* Default empty string.
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* @type string $class Extra CSS class to assign to the sidebar in the Widgets interface.
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* Default empty.
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* @type string $before_widget HTML content to prepend to each widget's HTML output when assigned
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* to this sidebar. Receives the widget's ID attribute as `%1$s`
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* and class name as `%2$s`. Default is an opening list item element.
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* @type string $after_widget HTML content to append to each widget's HTML output when assigned
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* to this sidebar. Default is a closing list item element.
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* @type string $before_title HTML content to prepend to the sidebar title when displayed.
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* Default is an opening h2 element.
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* @type string $after_title HTML content to append to the sidebar title when displayed.
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* Default is a closing h2 element.
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* @type string $before_sidebar HTML content to prepend to the sidebar when displayed.
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* Receives the `$id` argument as `%1$s` and `$class` as `%2$s`.
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* Outputs after the {@see 'dynamic_sidebar_before'} action.
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* Default empty string.
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* @type string $after_sidebar HTML content to append to the sidebar when displayed.
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* Outputs before the {@see 'dynamic_sidebar_after'} action.
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* Default empty string.
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* @type bool $show_in_rest Whether to show this sidebar publicly in the REST API.
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* Defaults to only showing the sidebar to administrator users.
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* }
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* @return string Sidebar ID added to $wp_registered_sidebars global.
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*/
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function register_sidebar( $args = array() ) {
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global $wp_registered_sidebars;
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$i = count( $wp_registered_sidebars ) + 1;
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$id_is_empty = empty( $args['id'] );
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$defaults = array(
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/* translators: %d: Sidebar number. */
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'name' => sprintf( __( 'Sidebar %d' ), $i ),
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'id' => "sidebar-$i",
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'description' => '',
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'class' => '',
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'before_widget' => '<li id="%1$s" class="widget %2$s">',
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'after_widget' => "</li>\n",
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'before_title' => '<h2 class="widgettitle">',
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'after_title' => "</h2>\n",
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'before_sidebar' => '',
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'after_sidebar' => '',
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'show_in_rest' => false,
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);
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/**
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* Filters the sidebar default arguments.
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*
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* @since 5.3.0
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*
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* @see register_sidebar()
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*
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* @param array $defaults The default sidebar arguments.
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*/
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$sidebar = wp_parse_args( $args, apply_filters( 'register_sidebar_defaults', $defaults ) );
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if ( $id_is_empty ) {
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_doing_it_wrong(
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__FUNCTION__,
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sprintf(
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/* translators: 1: The 'id' argument, 2: Sidebar name, 3: Recommended 'id' value. */
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__( 'No %1$s was set in the arguments array for the "%2$s" sidebar. Defaulting to "%3$s". Manually set the %1$s to "%3$s" to silence this notice and keep existing sidebar content.' ),
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'<code>id</code>',
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$sidebar['name'],
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$sidebar['id']
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),
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'4.2.0'
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);
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}
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$wp_registered_sidebars[ $sidebar['id'] ] = $sidebar;
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add_theme_support( 'widgets' );
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/**
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* Fires once a sidebar has been registered.
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*
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* @since 3.0.0
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*
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* @param array $sidebar Parsed arguments for the registered sidebar.
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*/
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do_action( 'register_sidebar', $sidebar );
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return $sidebar['id'];
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}
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/**
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* Removes a sidebar from the list.
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*
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* @since 2.2.0
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*
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* @global array $wp_registered_sidebars Registered sidebars.
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*
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* @param string|int $sidebar_id The ID of the sidebar when it was registered.
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*/
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function unregister_sidebar( $sidebar_id ) {
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global $wp_registered_sidebars;
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unset( $wp_registered_sidebars[ $sidebar_id ] );
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}
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/**
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* Checks if a sidebar is registered.
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*
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* @since 4.4.0
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*
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* @global array $wp_registered_sidebars Registered sidebars.
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*
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* @param string|int $sidebar_id The ID of the sidebar when it was registered.
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* @return bool True if the sidebar is registered, false otherwise.
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*/
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function is_registered_sidebar( $sidebar_id ) {
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global $wp_registered_sidebars;
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return isset( $wp_registered_sidebars[ $sidebar_id ] );
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}
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/**
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* Register an instance of a widget.
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*
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* The default widget option is 'classname' that can be overridden.
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*
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* The function can also be used to un-register widgets when `$output_callback`
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* parameter is an empty string.
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*
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* @since 2.2.0
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* @since 5.3.0 Formalized the existing and already documented `...$params` parameter
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* by adding it to the function signature.
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* @since 5.8.0 Added show_instance_in_rest option.
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*
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* @global array $wp_registered_widgets Uses stored registered widgets.
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* @global array $wp_registered_widget_controls Stores the registered widget controls (options).
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* @global array $wp_registered_widget_updates
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* @global array $_wp_deprecated_widgets_callbacks
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*
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* @param int|string $id Widget ID.
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* @param string $name Widget display title.
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* @param callable $output_callback Run when widget is called.
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* @param array $options {
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* Optional. An array of supplementary widget options for the instance.
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*
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* @type string $classname Class name for the widget's HTML container. Default is a shortened
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* version of the output callback name.
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* @type string $description Widget description for display in the widget administration
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* panel and/or theme.
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* @type bool $show_instance_in_rest Whether to show the widget's instance settings in the REST API.
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* Only available for WP_Widget based widgets.
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* }
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* @param mixed ...$params Optional additional parameters to pass to the callback function when it's called.
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*/
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function wp_register_sidebar_widget( $id, $name, $output_callback, $options = array(), ...$params ) {
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global $wp_registered_widgets, $wp_registered_widget_controls, $wp_registered_widget_updates, $_wp_deprecated_widgets_callbacks;
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$id = strtolower( $id );
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if ( empty( $output_callback ) ) {
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unset( $wp_registered_widgets[ $id ] );
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return;
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}
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$id_base = _get_widget_id_base( $id );
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if ( in_array( $output_callback, $_wp_deprecated_widgets_callbacks, true ) && ! is_callable( $output_callback ) ) {
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unset( $wp_registered_widget_controls[ $id ] );
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unset( $wp_registered_widget_updates[ $id_base ] );
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return;
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}
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$defaults = array( 'classname' => $output_callback );
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$options = wp_parse_args( $options, $defaults );
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$widget = array(
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'name' => $name,
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'id' => $id,
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'callback' => $output_callback,
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'params' => $params,
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);
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$widget = array_merge( $widget, $options );
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if ( is_callable( $output_callback ) && ( ! isset( $wp_registered_widgets[ $id ] ) || did_action( 'widgets_init' ) ) ) {
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/**
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* Fires once for each registered widget.
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*
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* @since 3.0.0
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*
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* @param array $widget An array of default widget arguments.
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*/
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do_action( 'wp_register_sidebar_widget', $widget );
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$wp_registered_widgets[ $id ] = $widget;
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}
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}
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/**
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* Retrieve description for widget.
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*
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* When registering widgets, the options can also include 'description' that
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* describes the widget for display on the widget administration panel or
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* in the theme.
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*
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* @since 2.5.0
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*
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* @global array $wp_registered_widgets
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*
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* @param int|string $id Widget ID.
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* @return string|void Widget description, if available.
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*/
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function wp_widget_description( $id ) {
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if ( ! is_scalar( $id ) ) {
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return;
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}
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global $wp_registered_widgets;
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if ( isset( $wp_registered_widgets[ $id ]['description'] ) ) {
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return esc_html( $wp_registered_widgets[ $id ]['description'] );
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}
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}
|
|
|
|
/**
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* Retrieve description for a sidebar.
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|
*
|
|
* When registering sidebars a 'description' parameter can be included that
|
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* describes the sidebar for display on the widget administration panel.
|
|
*
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|
* @since 2.9.0
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|
*
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* @global array $wp_registered_sidebars Registered sidebars.
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*
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* @param string $id sidebar ID.
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* @return string|void Sidebar description, if available.
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*/
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function wp_sidebar_description( $id ) {
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if ( ! is_scalar( $id ) ) {
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return;
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}
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global $wp_registered_sidebars;
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if ( isset( $wp_registered_sidebars[ $id ]['description'] ) ) {
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return wp_kses( $wp_registered_sidebars[ $id ]['description'], 'sidebar_description' );
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}
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}
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|
|
/**
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* Remove widget from sidebar.
|
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*
|
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* @since 2.2.0
|
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*
|
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* @param int|string $id Widget ID.
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*/
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function wp_unregister_sidebar_widget( $id ) {
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|
|
/**
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|
* Fires just before a widget is removed from a sidebar.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
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* @param int|string $id The widget ID.
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*/
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do_action( 'wp_unregister_sidebar_widget', $id );
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wp_register_sidebar_widget( $id, '', '' );
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wp_unregister_widget_control( $id );
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}
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|
/**
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|
* Registers widget control callback for customizing options.
|
|
*
|
|
* @since 2.2.0
|
|
* @since 5.3.0 Formalized the existing and already documented `...$params` parameter
|
|
* by adding it to the function signature.
|
|
*
|
|
* @global array $wp_registered_widget_controls
|
|
* @global array $wp_registered_widget_updates
|
|
* @global array $wp_registered_widgets
|
|
* @global array $_wp_deprecated_widgets_callbacks
|
|
*
|
|
* @param int|string $id Sidebar ID.
|
|
* @param string $name Sidebar display name.
|
|
* @param callable $control_callback Run when sidebar is displayed.
|
|
* @param array $options {
|
|
* Optional. Array or string of control options. Default empty array.
|
|
*
|
|
* @type int $height Never used. Default 200.
|
|
* @type int $width Width of the fully expanded control form (but try hard to use the default width).
|
|
* Default 250.
|
|
* @type int|string $id_base Required for multi-widgets, i.e widgets that allow multiple instances such as the
|
|
* text widget. The widget ID will end up looking like `{$id_base}-{$unique_number}`.
|
|
* }
|
|
* @param mixed ...$params Optional additional parameters to pass to the callback function when it's called.
|
|
*/
|
|
function wp_register_widget_control( $id, $name, $control_callback, $options = array(), ...$params ) {
|
|
global $wp_registered_widget_controls, $wp_registered_widget_updates, $wp_registered_widgets, $_wp_deprecated_widgets_callbacks;
|
|
|
|
$id = strtolower( $id );
|
|
$id_base = _get_widget_id_base( $id );
|
|
|
|
if ( empty( $control_callback ) ) {
|
|
unset( $wp_registered_widget_controls[ $id ] );
|
|
unset( $wp_registered_widget_updates[ $id_base ] );
|
|
return;
|
|
}
|
|
|
|
if ( in_array( $control_callback, $_wp_deprecated_widgets_callbacks, true ) && ! is_callable( $control_callback ) ) {
|
|
unset( $wp_registered_widgets[ $id ] );
|
|
return;
|
|
}
|
|
|
|
if ( isset( $wp_registered_widget_controls[ $id ] ) && ! did_action( 'widgets_init' ) ) {
|
|
return;
|
|
}
|
|
|
|
$defaults = array(
|
|
'width' => 250,
|
|
'height' => 200,
|
|
); // Height is never used.
|
|
$options = wp_parse_args( $options, $defaults );
|
|
$options['width'] = (int) $options['width'];
|
|
$options['height'] = (int) $options['height'];
|
|
|
|
$widget = array(
|
|
'name' => $name,
|
|
'id' => $id,
|
|
'callback' => $control_callback,
|
|
'params' => $params,
|
|
);
|
|
$widget = array_merge( $widget, $options );
|
|
|
|
$wp_registered_widget_controls[ $id ] = $widget;
|
|
|
|
if ( isset( $wp_registered_widget_updates[ $id_base ] ) ) {
|
|
return;
|
|
}
|
|
|
|
if ( isset( $widget['params'][0]['number'] ) ) {
|
|
$widget['params'][0]['number'] = -1;
|
|
}
|
|
|
|
unset( $widget['width'], $widget['height'], $widget['name'], $widget['id'] );
|
|
$wp_registered_widget_updates[ $id_base ] = $widget;
|
|
}
|
|
|
|
/**
|
|
* Registers the update callback for a widget.
|
|
*
|
|
* @since 2.8.0
|
|
* @since 5.3.0 Formalized the existing and already documented `...$params` parameter
|
|
* by adding it to the function signature.
|
|
*
|
|
* @global array $wp_registered_widget_updates
|
|
*
|
|
* @param string $id_base The base ID of a widget created by extending WP_Widget.
|
|
* @param callable $update_callback Update callback method for the widget.
|
|
* @param array $options Optional. Widget control options. See wp_register_widget_control().
|
|
* Default empty array.
|
|
* @param mixed ...$params Optional additional parameters to pass to the callback function when it's called.
|
|
*/
|
|
function _register_widget_update_callback( $id_base, $update_callback, $options = array(), ...$params ) {
|
|
global $wp_registered_widget_updates;
|
|
|
|
if ( isset( $wp_registered_widget_updates[ $id_base ] ) ) {
|
|
if ( empty( $update_callback ) ) {
|
|
unset( $wp_registered_widget_updates[ $id_base ] );
|
|
}
|
|
return;
|
|
}
|
|
|
|
$widget = array(
|
|
'callback' => $update_callback,
|
|
'params' => $params,
|
|
);
|
|
|
|
$widget = array_merge( $widget, $options );
|
|
$wp_registered_widget_updates[ $id_base ] = $widget;
|
|
}
|
|
|
|
/**
|
|
* Registers the form callback for a widget.
|
|
*
|
|
* @since 2.8.0
|
|
* @since 5.3.0 Formalized the existing and already documented `...$params` parameter
|
|
* by adding it to the function signature.
|
|
*
|
|
* @global array $wp_registered_widget_controls
|
|
*
|
|
* @param int|string $id Widget ID.
|
|
* @param string $name Name attribute for the widget.
|
|
* @param callable $form_callback Form callback.
|
|
* @param array $options Optional. Widget control options. See wp_register_widget_control().
|
|
* Default empty array.
|
|
* @param mixed ...$params Optional additional parameters to pass to the callback function when it's called.
|
|
*/
|
|
|
|
function _register_widget_form_callback( $id, $name, $form_callback, $options = array(), ...$params ) {
|
|
global $wp_registered_widget_controls;
|
|
|
|
$id = strtolower( $id );
|
|
|
|
if ( empty( $form_callback ) ) {
|
|
unset( $wp_registered_widget_controls[ $id ] );
|
|
return;
|
|
}
|
|
|
|
if ( isset( $wp_registered_widget_controls[ $id ] ) && ! did_action( 'widgets_init' ) ) {
|
|
return;
|
|
}
|
|
|
|
$defaults = array(
|
|
'width' => 250,
|
|
'height' => 200,
|
|
);
|
|
$options = wp_parse_args( $options, $defaults );
|
|
$options['width'] = (int) $options['width'];
|
|
$options['height'] = (int) $options['height'];
|
|
|
|
$widget = array(
|
|
'name' => $name,
|
|
'id' => $id,
|
|
'callback' => $form_callback,
|
|
'params' => $params,
|
|
);
|
|
$widget = array_merge( $widget, $options );
|
|
|
|
$wp_registered_widget_controls[ $id ] = $widget;
|
|
}
|
|
|
|
/**
|
|
* Remove control callback for widget.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param int|string $id Widget ID.
|
|
*/
|
|
function wp_unregister_widget_control( $id ) {
|
|
wp_register_widget_control( $id, '', '' );
|
|
}
|
|
|
|
/**
|
|
* Display dynamic sidebar.
|
|
*
|
|
* By default this displays the default sidebar or 'sidebar-1'. If your theme specifies the 'id' or
|
|
* 'name' parameter for its registered sidebars you can pass an ID or name as the $index parameter.
|
|
* Otherwise, you can pass in a numerical index to display the sidebar at that index.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @global array $wp_registered_sidebars Registered sidebars.
|
|
* @global array $wp_registered_widgets Registered widgets.
|
|
*
|
|
* @param int|string $index Optional. Index, name or ID of dynamic sidebar. Default 1.
|
|
* @return bool True, if widget sidebar was found and called. False if not found or not called.
|
|
*/
|
|
function dynamic_sidebar( $index = 1 ) {
|
|
global $wp_registered_sidebars, $wp_registered_widgets;
|
|
|
|
if ( is_int( $index ) ) {
|
|
$index = "sidebar-$index";
|
|
} else {
|
|
$index = sanitize_title( $index );
|
|
foreach ( (array) $wp_registered_sidebars as $key => $value ) {
|
|
if ( sanitize_title( $value['name'] ) === $index ) {
|
|
$index = $key;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
$sidebars_widgets = wp_get_sidebars_widgets();
|
|
if ( empty( $wp_registered_sidebars[ $index ] ) || empty( $sidebars_widgets[ $index ] ) || ! is_array( $sidebars_widgets[ $index ] ) ) {
|
|
/** This action is documented in wp-includes/widget.php */
|
|
do_action( 'dynamic_sidebar_before', $index, false );
|
|
/** This action is documented in wp-includes/widget.php */
|
|
do_action( 'dynamic_sidebar_after', $index, false );
|
|
/** This filter is documented in wp-includes/widget.php */
|
|
return apply_filters( 'dynamic_sidebar_has_widgets', false, $index );
|
|
}
|
|
|
|
$sidebar = $wp_registered_sidebars[ $index ];
|
|
|
|
$sidebar['before_sidebar'] = sprintf( $sidebar['before_sidebar'], $sidebar['id'], $sidebar['class'] );
|
|
|
|
/**
|
|
* Fires before widgets are rendered in a dynamic sidebar.
|
|
*
|
|
* Note: The action also fires for empty sidebars, and on both the front end
|
|
* and back end, including the Inactive Widgets sidebar on the Widgets screen.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param int|string $index Index, name, or ID of the dynamic sidebar.
|
|
* @param bool $has_widgets Whether the sidebar is populated with widgets.
|
|
* Default true.
|
|
*/
|
|
do_action( 'dynamic_sidebar_before', $index, true );
|
|
|
|
if ( ! is_admin() && ! empty( $sidebar['before_sidebar'] ) ) {
|
|
echo $sidebar['before_sidebar'];
|
|
}
|
|
|
|
$did_one = false;
|
|
foreach ( (array) $sidebars_widgets[ $index ] as $id ) {
|
|
|
|
if ( ! isset( $wp_registered_widgets[ $id ] ) ) {
|
|
continue;
|
|
}
|
|
|
|
$params = array_merge(
|
|
array(
|
|
array_merge(
|
|
$sidebar,
|
|
array(
|
|
'widget_id' => $id,
|
|
'widget_name' => $wp_registered_widgets[ $id ]['name'],
|
|
)
|
|
),
|
|
),
|
|
(array) $wp_registered_widgets[ $id ]['params']
|
|
);
|
|
|
|
// Substitute HTML `id` and `class` attributes into `before_widget`.
|
|
$classname_ = '';
|
|
foreach ( (array) $wp_registered_widgets[ $id ]['classname'] as $cn ) {
|
|
if ( is_string( $cn ) ) {
|
|
$classname_ .= '_' . $cn;
|
|
} elseif ( is_object( $cn ) ) {
|
|
$classname_ .= '_' . get_class( $cn );
|
|
}
|
|
}
|
|
$classname_ = ltrim( $classname_, '_' );
|
|
|
|
$params[0]['before_widget'] = sprintf(
|
|
$params[0]['before_widget'],
|
|
str_replace( '\\', '_', $id ),
|
|
$classname_
|
|
);
|
|
|
|
/**
|
|
* Filters the parameters passed to a widget's display callback.
|
|
*
|
|
* Note: The filter is evaluated on both the front end and back end,
|
|
* including for the Inactive Widgets sidebar on the Widgets screen.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @see register_sidebar()
|
|
*
|
|
* @param array $params {
|
|
* @type array $args {
|
|
* An array of widget display arguments.
|
|
*
|
|
* @type string $name Name of the sidebar the widget is assigned to.
|
|
* @type string $id ID of the sidebar the widget is assigned to.
|
|
* @type string $description The sidebar description.
|
|
* @type string $class CSS class applied to the sidebar container.
|
|
* @type string $before_widget HTML markup to prepend to each widget in the sidebar.
|
|
* @type string $after_widget HTML markup to append to each widget in the sidebar.
|
|
* @type string $before_title HTML markup to prepend to the widget title when displayed.
|
|
* @type string $after_title HTML markup to append to the widget title when displayed.
|
|
* @type string $widget_id ID of the widget.
|
|
* @type string $widget_name Name of the widget.
|
|
* }
|
|
* @type array $widget_args {
|
|
* An array of multi-widget arguments.
|
|
*
|
|
* @type int $number Number increment used for multiples of the same widget.
|
|
* }
|
|
* }
|
|
*/
|
|
$params = apply_filters( 'dynamic_sidebar_params', $params );
|
|
|
|
$callback = $wp_registered_widgets[ $id ]['callback'];
|
|
|
|
/**
|
|
* Fires before a widget's display callback is called.
|
|
*
|
|
* Note: The action fires on both the front end and back end, including
|
|
* for widgets in the Inactive Widgets sidebar on the Widgets screen.
|
|
*
|
|
* The action is not fired for empty sidebars.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param array $widget {
|
|
* An associative array of widget arguments.
|
|
*
|
|
* @type string $name Name of the widget.
|
|
* @type string $id Widget ID.
|
|
* @type callable $callback When the hook is fired on the front end, `$callback` is an array
|
|
* containing the widget object. Fired on the back end, `$callback`
|
|
* is 'wp_widget_control', see `$_callback`.
|
|
* @type array $params An associative array of multi-widget arguments.
|
|
* @type string $classname CSS class applied to the widget container.
|
|
* @type string $description The widget description.
|
|
* @type array $_callback When the hook is fired on the back end, `$_callback` is populated
|
|
* with an array containing the widget object, see `$callback`.
|
|
* }
|
|
*/
|
|
do_action( 'dynamic_sidebar', $wp_registered_widgets[ $id ] );
|
|
|
|
if ( is_callable( $callback ) ) {
|
|
call_user_func_array( $callback, $params );
|
|
$did_one = true;
|
|
}
|
|
}
|
|
|
|
if ( ! is_admin() && ! empty( $sidebar['after_sidebar'] ) ) {
|
|
echo $sidebar['after_sidebar'];
|
|
}
|
|
|
|
/**
|
|
* Fires after widgets are rendered in a dynamic sidebar.
|
|
*
|
|
* Note: The action also fires for empty sidebars, and on both the front end
|
|
* and back end, including the Inactive Widgets sidebar on the Widgets screen.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param int|string $index Index, name, or ID of the dynamic sidebar.
|
|
* @param bool $has_widgets Whether the sidebar is populated with widgets.
|
|
* Default true.
|
|
*/
|
|
do_action( 'dynamic_sidebar_after', $index, true );
|
|
|
|
/**
|
|
* Filters whether a sidebar has widgets.
|
|
*
|
|
* Note: The filter is also evaluated for empty sidebars, and on both the front end
|
|
* and back end, including the Inactive Widgets sidebar on the Widgets screen.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param bool $did_one Whether at least one widget was rendered in the sidebar.
|
|
* Default false.
|
|
* @param int|string $index Index, name, or ID of the dynamic sidebar.
|
|
*/
|
|
return apply_filters( 'dynamic_sidebar_has_widgets', $did_one, $index );
|
|
}
|
|
|
|
/**
|
|
* Determines whether a given widget is displayed on the front end.
|
|
*
|
|
* Either $callback or $id_base can be used
|
|
* $id_base is the first argument when extending WP_Widget class
|
|
* Without the optional $widget_id parameter, returns the ID of the first sidebar
|
|
* in which the first instance of the widget with the given callback or $id_base is found.
|
|
* With the $widget_id parameter, returns the ID of the sidebar where
|
|
* the widget with that callback/$id_base AND that ID is found.
|
|
*
|
|
* NOTE: $widget_id and $id_base are the same for single widgets. To be effective
|
|
* this function has to run after widgets have initialized, at action {@see 'init'} or later.
|
|
*
|
|
* For more information on this and similar theme functions, check out
|
|
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
|
|
* Conditional Tags} article in the Theme Developer Handbook.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @global array $wp_registered_widgets
|
|
*
|
|
* @param callable|false $callback Optional. Widget callback to check. Default false.
|
|
* @param string|false $widget_id Optional. Widget ID. Optional, but needed for checking.
|
|
* Default false.
|
|
* @param string|false $id_base Optional. The base ID of a widget created by extending WP_Widget.
|
|
* Default false.
|
|
* @param bool $skip_inactive Optional. Whether to check in 'wp_inactive_widgets'.
|
|
* Default true.
|
|
* @return string|false ID of the sidebar in which the widget is active,
|
|
* false if the widget is not active.
|
|
*/
|
|
function is_active_widget( $callback = false, $widget_id = false, $id_base = false, $skip_inactive = true ) {
|
|
global $wp_registered_widgets;
|
|
|
|
$sidebars_widgets = wp_get_sidebars_widgets();
|
|
|
|
if ( is_array( $sidebars_widgets ) ) {
|
|
foreach ( $sidebars_widgets as $sidebar => $widgets ) {
|
|
if ( $skip_inactive && ( 'wp_inactive_widgets' === $sidebar || 'orphaned_widgets' === substr( $sidebar, 0, 16 ) ) ) {
|
|
continue;
|
|
}
|
|
|
|
if ( is_array( $widgets ) ) {
|
|
foreach ( $widgets as $widget ) {
|
|
if ( ( $callback && isset( $wp_registered_widgets[ $widget ]['callback'] ) && $wp_registered_widgets[ $widget ]['callback'] === $callback ) || ( $id_base && _get_widget_id_base( $widget ) === $id_base ) ) {
|
|
if ( ! $widget_id || $widget_id === $wp_registered_widgets[ $widget ]['id'] ) {
|
|
return $sidebar;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Determines whether the dynamic sidebar is enabled and used by the theme.
|
|
*
|
|
* For more information on this and similar theme functions, check out
|
|
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
|
|
* Conditional Tags} article in the Theme Developer Handbook.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @global array $wp_registered_widgets Registered widgets.
|
|
* @global array $wp_registered_sidebars Registered sidebars.
|
|
*
|
|
* @return bool True if using widgets, false otherwise.
|
|
*/
|
|
function is_dynamic_sidebar() {
|
|
global $wp_registered_widgets, $wp_registered_sidebars;
|
|
|
|
$sidebars_widgets = get_option( 'sidebars_widgets' );
|
|
|
|
foreach ( (array) $wp_registered_sidebars as $index => $sidebar ) {
|
|
if ( ! empty( $sidebars_widgets[ $index ] ) ) {
|
|
foreach ( (array) $sidebars_widgets[ $index ] as $widget ) {
|
|
if ( array_key_exists( $widget, $wp_registered_widgets ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Determines whether a sidebar contains widgets.
|
|
*
|
|
* For more information on this and similar theme functions, check out
|
|
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
|
|
* Conditional Tags} article in the Theme Developer Handbook.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param string|int $index Sidebar name, id or number to check.
|
|
* @return bool True if the sidebar has widgets, false otherwise.
|
|
*/
|
|
function is_active_sidebar( $index ) {
|
|
$index = ( is_int( $index ) ) ? "sidebar-$index" : sanitize_title( $index );
|
|
$sidebars_widgets = wp_get_sidebars_widgets();
|
|
$is_active_sidebar = ! empty( $sidebars_widgets[ $index ] );
|
|
|
|
/**
|
|
* Filters whether a dynamic sidebar is considered "active".
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param bool $is_active_sidebar Whether or not the sidebar should be considered "active".
|
|
* In other words, whether the sidebar contains any widgets.
|
|
* @param int|string $index Index, name, or ID of the dynamic sidebar.
|
|
*/
|
|
return apply_filters( 'is_active_sidebar', $is_active_sidebar, $index );
|
|
}
|
|
|
|
//
|
|
// Internal Functions.
|
|
//
|
|
|
|
/**
|
|
* Retrieve full list of sidebars and their widget instance IDs.
|
|
*
|
|
* Will upgrade sidebar widget list, if needed. Will also save updated list, if
|
|
* needed.
|
|
*
|
|
* @since 2.2.0
|
|
* @access private
|
|
*
|
|
* @global array $_wp_sidebars_widgets
|
|
* @global array $sidebars_widgets
|
|
*
|
|
* @param bool $deprecated Not used (argument deprecated).
|
|
* @return array Upgraded list of widgets to version 3 array format when called from the admin.
|
|
*/
|
|
function wp_get_sidebars_widgets( $deprecated = true ) {
|
|
if ( true !== $deprecated ) {
|
|
_deprecated_argument( __FUNCTION__, '2.8.1' );
|
|
}
|
|
|
|
global $_wp_sidebars_widgets, $sidebars_widgets;
|
|
|
|
// If loading from front page, consult $_wp_sidebars_widgets rather than options
|
|
// to see if wp_convert_widget_settings() has made manipulations in memory.
|
|
if ( ! is_admin() ) {
|
|
if ( empty( $_wp_sidebars_widgets ) ) {
|
|
$_wp_sidebars_widgets = get_option( 'sidebars_widgets', array() );
|
|
}
|
|
|
|
$sidebars_widgets = $_wp_sidebars_widgets;
|
|
} else {
|
|
$sidebars_widgets = get_option( 'sidebars_widgets', array() );
|
|
}
|
|
|
|
if ( is_array( $sidebars_widgets ) && isset( $sidebars_widgets['array_version'] ) ) {
|
|
unset( $sidebars_widgets['array_version'] );
|
|
}
|
|
|
|
/**
|
|
* Filters the list of sidebars and their widgets.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param array $sidebars_widgets An associative array of sidebars and their widgets.
|
|
*/
|
|
return apply_filters( 'sidebars_widgets', $sidebars_widgets );
|
|
}
|
|
|
|
/**
|
|
* Retrieves the registered sidebar with the given ID.
|
|
*
|
|
* @since 5.9.0
|
|
*
|
|
* @global array $wp_registered_sidebars The registered sidebars.
|
|
*
|
|
* @param string $id The sidebar ID.
|
|
* @return array|null The discovered sidebar, or null if it is not registered.
|
|
*/
|
|
function wp_get_sidebar( $id ) {
|
|
global $wp_registered_sidebars;
|
|
|
|
foreach ( (array) $wp_registered_sidebars as $sidebar ) {
|
|
if ( $sidebar['id'] === $id ) {
|
|
return $sidebar;
|
|
}
|
|
}
|
|
|
|
if ( 'wp_inactive_widgets' === $id ) {
|
|
return array(
|
|
'id' => 'wp_inactive_widgets',
|
|
'name' => __( 'Inactive widgets' ),
|
|
);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Set the sidebar widget option to update sidebars.
|
|
*
|
|
* @since 2.2.0
|
|
* @access private
|
|
*
|
|
* @global array $_wp_sidebars_widgets
|
|
* @param array $sidebars_widgets Sidebar widgets and their settings.
|
|
*/
|
|
function wp_set_sidebars_widgets( $sidebars_widgets ) {
|
|
global $_wp_sidebars_widgets;
|
|
|
|
// Clear cached value used in wp_get_sidebars_widgets().
|
|
$_wp_sidebars_widgets = null;
|
|
|
|
if ( ! isset( $sidebars_widgets['array_version'] ) ) {
|
|
$sidebars_widgets['array_version'] = 3;
|
|
}
|
|
|
|
update_option( 'sidebars_widgets', $sidebars_widgets );
|
|
}
|
|
|
|
/**
|
|
* Retrieve default registered sidebars list.
|
|
*
|
|
* @since 2.2.0
|
|
* @access private
|
|
*
|
|
* @global array $wp_registered_sidebars Registered sidebars.
|
|
*
|
|
* @return array
|
|
*/
|
|
function wp_get_widget_defaults() {
|
|
global $wp_registered_sidebars;
|
|
|
|
$defaults = array();
|
|
|
|
foreach ( (array) $wp_registered_sidebars as $index => $sidebar ) {
|
|
$defaults[ $index ] = array();
|
|
}
|
|
|
|
return $defaults;
|
|
}
|
|
|
|
/**
|
|
* Converts the widget settings from single to multi-widget format.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @global array $_wp_sidebars_widgets
|
|
*
|
|
* @param string $base_name Root ID for all widgets of this type.
|
|
* @param string $option_name Option name for this widget type.
|
|
* @param array $settings The array of widget instance settings.
|
|
* @return array The array of widget settings converted to multi-widget format.
|
|
*/
|
|
function wp_convert_widget_settings( $base_name, $option_name, $settings ) {
|
|
// This test may need expanding.
|
|
$single = false;
|
|
$changed = false;
|
|
|
|
if ( empty( $settings ) ) {
|
|
$single = true;
|
|
} else {
|
|
foreach ( array_keys( $settings ) as $number ) {
|
|
if ( 'number' === $number ) {
|
|
continue;
|
|
}
|
|
if ( ! is_numeric( $number ) ) {
|
|
$single = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( $single ) {
|
|
$settings = array( 2 => $settings );
|
|
|
|
// If loading from the front page, update sidebar in memory but don't save to options.
|
|
if ( is_admin() ) {
|
|
$sidebars_widgets = get_option( 'sidebars_widgets' );
|
|
} else {
|
|
if ( empty( $GLOBALS['_wp_sidebars_widgets'] ) ) {
|
|
$GLOBALS['_wp_sidebars_widgets'] = get_option( 'sidebars_widgets', array() );
|
|
}
|
|
$sidebars_widgets = &$GLOBALS['_wp_sidebars_widgets'];
|
|
}
|
|
|
|
foreach ( (array) $sidebars_widgets as $index => $sidebar ) {
|
|
if ( is_array( $sidebar ) ) {
|
|
foreach ( $sidebar as $i => $name ) {
|
|
if ( $base_name === $name ) {
|
|
$sidebars_widgets[ $index ][ $i ] = "$name-2";
|
|
$changed = true;
|
|
break 2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( is_admin() && $changed ) {
|
|
update_option( 'sidebars_widgets', $sidebars_widgets );
|
|
}
|
|
}
|
|
|
|
$settings['_multiwidget'] = 1;
|
|
if ( is_admin() ) {
|
|
update_option( $option_name, $settings );
|
|
}
|
|
|
|
return $settings;
|
|
}
|
|
|
|
/**
|
|
* Output an arbitrary widget as a template tag.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @global WP_Widget_Factory $wp_widget_factory
|
|
*
|
|
* @param string $widget The widget's PHP class name (see class-wp-widget.php).
|
|
* @param array $instance Optional. The widget's instance settings. Default empty array.
|
|
* @param array $args {
|
|
* Optional. Array of arguments to configure the display of the widget.
|
|
*
|
|
* @type string $before_widget HTML content that will be prepended to the widget's HTML output.
|
|
* Default `<div class="widget %s">`, where `%s` is the widget's class name.
|
|
* @type string $after_widget HTML content that will be appended to the widget's HTML output.
|
|
* Default `</div>`.
|
|
* @type string $before_title HTML content that will be prepended to the widget's title when displayed.
|
|
* Default `<h2 class="widgettitle">`.
|
|
* @type string $after_title HTML content that will be appended to the widget's title when displayed.
|
|
* Default `</h2>`.
|
|
* }
|
|
*/
|
|
function the_widget( $widget, $instance = array(), $args = array() ) {
|
|
global $wp_widget_factory;
|
|
|
|
if ( ! isset( $wp_widget_factory->widgets[ $widget ] ) ) {
|
|
_doing_it_wrong(
|
|
__FUNCTION__,
|
|
sprintf(
|
|
/* translators: %s: register_widget() */
|
|
__( 'Widgets need to be registered using %s, before they can be displayed.' ),
|
|
'<code>register_widget()</code>'
|
|
),
|
|
'4.9.0'
|
|
);
|
|
return;
|
|
}
|
|
|
|
$widget_obj = $wp_widget_factory->widgets[ $widget ];
|
|
if ( ! ( $widget_obj instanceof WP_Widget ) ) {
|
|
return;
|
|
}
|
|
|
|
$default_args = array(
|
|
'before_widget' => '<div class="widget %s">',
|
|
'after_widget' => '</div>',
|
|
'before_title' => '<h2 class="widgettitle">',
|
|
'after_title' => '</h2>',
|
|
);
|
|
$args = wp_parse_args( $args, $default_args );
|
|
$args['before_widget'] = sprintf( $args['before_widget'], $widget_obj->widget_options['classname'] );
|
|
|
|
$instance = wp_parse_args( $instance );
|
|
|
|
/** This filter is documented in wp-includes/class-wp-widget.php */
|
|
$instance = apply_filters( 'widget_display_callback', $instance, $widget_obj, $args );
|
|
|
|
if ( false === $instance ) {
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Fires before rendering the requested widget.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param string $widget The widget's class name.
|
|
* @param array $instance The current widget instance's settings.
|
|
* @param array $args An array of the widget's sidebar arguments.
|
|
*/
|
|
do_action( 'the_widget', $widget, $instance, $args );
|
|
|
|
$widget_obj->_set( -1 );
|
|
$widget_obj->widget( $args, $instance );
|
|
}
|
|
|
|
/**
|
|
* Retrieves the widget ID base value.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param string $id Widget ID.
|
|
* @return string Widget ID base.
|
|
*/
|
|
function _get_widget_id_base( $id ) {
|
|
return preg_replace( '/-[0-9]+$/', '', $id );
|
|
}
|
|
|
|
/**
|
|
* Handle sidebars config after theme change
|
|
*
|
|
* @access private
|
|
* @since 3.3.0
|
|
*
|
|
* @global array $sidebars_widgets
|
|
*/
|
|
function _wp_sidebars_changed() {
|
|
global $sidebars_widgets;
|
|
|
|
if ( ! is_array( $sidebars_widgets ) ) {
|
|
$sidebars_widgets = wp_get_sidebars_widgets();
|
|
}
|
|
|
|
retrieve_widgets( true );
|
|
}
|
|
|
|
/**
|
|
* Validates and remaps any "orphaned" widgets to wp_inactive_widgets sidebar,
|
|
* and saves the widget settings. This has to run at least on each theme change.
|
|
*
|
|
* For example, let's say theme A has a "footer" sidebar, and theme B doesn't have one.
|
|
* After switching from theme A to theme B, all the widgets previously assigned
|
|
* to the footer would be inaccessible. This function detects this scenario, and
|
|
* moves all the widgets previously assigned to the footer under wp_inactive_widgets.
|
|
*
|
|
* Despite the word "retrieve" in the name, this function actually updates the database
|
|
* and the global `$sidebars_widgets`. For that reason it should not be run on front end,
|
|
* unless the `$theme_changed` value is 'customize' (to bypass the database write).
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @global array $wp_registered_sidebars Registered sidebars.
|
|
* @global array $sidebars_widgets
|
|
* @global array $wp_registered_widgets Registered widgets.
|
|
*
|
|
* @param string|bool $theme_changed Whether the theme was changed as a boolean. A value
|
|
* of 'customize' defers updates for the Customizer.
|
|
* @return array Updated sidebars widgets.
|
|
*/
|
|
function retrieve_widgets( $theme_changed = false ) {
|
|
global $wp_registered_sidebars, $sidebars_widgets, $wp_registered_widgets;
|
|
|
|
$registered_sidebars_keys = array_keys( $wp_registered_sidebars );
|
|
$registered_widgets_ids = array_keys( $wp_registered_widgets );
|
|
|
|
if ( ! is_array( get_theme_mod( 'sidebars_widgets' ) ) ) {
|
|
if ( empty( $sidebars_widgets ) ) {
|
|
return array();
|
|
}
|
|
|
|
unset( $sidebars_widgets['array_version'] );
|
|
|
|
$sidebars_widgets_keys = array_keys( $sidebars_widgets );
|
|
sort( $sidebars_widgets_keys );
|
|
sort( $registered_sidebars_keys );
|
|
|
|
if ( $sidebars_widgets_keys === $registered_sidebars_keys ) {
|
|
$sidebars_widgets = _wp_remove_unregistered_widgets( $sidebars_widgets, $registered_widgets_ids );
|
|
|
|
return $sidebars_widgets;
|
|
}
|
|
}
|
|
|
|
// Discard invalid, theme-specific widgets from sidebars.
|
|
$sidebars_widgets = _wp_remove_unregistered_widgets( $sidebars_widgets, $registered_widgets_ids );
|
|
$sidebars_widgets = wp_map_sidebars_widgets( $sidebars_widgets );
|
|
|
|
// Find hidden/lost multi-widget instances.
|
|
$shown_widgets = array_merge( ...array_values( $sidebars_widgets ) );
|
|
$lost_widgets = array_diff( $registered_widgets_ids, $shown_widgets );
|
|
|
|
foreach ( $lost_widgets as $key => $widget_id ) {
|
|
$number = preg_replace( '/.+?-([0-9]+)$/', '$1', $widget_id );
|
|
|
|
// Only keep active and default widgets.
|
|
if ( is_numeric( $number ) && (int) $number < 2 ) {
|
|
unset( $lost_widgets[ $key ] );
|
|
}
|
|
}
|
|
$sidebars_widgets['wp_inactive_widgets'] = array_merge( $lost_widgets, (array) $sidebars_widgets['wp_inactive_widgets'] );
|
|
|
|
if ( 'customize' !== $theme_changed ) {
|
|
// Update the widgets settings in the database.
|
|
wp_set_sidebars_widgets( $sidebars_widgets );
|
|
}
|
|
|
|
return $sidebars_widgets;
|
|
}
|
|
|
|
/**
|
|
* Compares a list of sidebars with their widgets against an allowed list.
|
|
*
|
|
* @since 4.9.0
|
|
* @since 4.9.2 Always tries to restore widget assignments from previous data, not just if sidebars needed mapping.
|
|
*
|
|
* @param array $existing_sidebars_widgets List of sidebars and their widget instance IDs.
|
|
* @return array Mapped sidebars widgets.
|
|
*/
|
|
function wp_map_sidebars_widgets( $existing_sidebars_widgets ) {
|
|
global $wp_registered_sidebars;
|
|
|
|
$new_sidebars_widgets = array(
|
|
'wp_inactive_widgets' => array(),
|
|
);
|
|
|
|
// Short-circuit if there are no sidebars to map.
|
|
if ( ! is_array( $existing_sidebars_widgets ) || empty( $existing_sidebars_widgets ) ) {
|
|
return $new_sidebars_widgets;
|
|
}
|
|
|
|
foreach ( $existing_sidebars_widgets as $sidebar => $widgets ) {
|
|
if ( 'wp_inactive_widgets' === $sidebar || 'orphaned_widgets' === substr( $sidebar, 0, 16 ) ) {
|
|
$new_sidebars_widgets['wp_inactive_widgets'] = array_merge( $new_sidebars_widgets['wp_inactive_widgets'], (array) $widgets );
|
|
unset( $existing_sidebars_widgets[ $sidebar ] );
|
|
}
|
|
}
|
|
|
|
// If old and new theme have just one sidebar, map it and we're done.
|
|
if ( 1 === count( $existing_sidebars_widgets ) && 1 === count( $wp_registered_sidebars ) ) {
|
|
$new_sidebars_widgets[ key( $wp_registered_sidebars ) ] = array_pop( $existing_sidebars_widgets );
|
|
|
|
return $new_sidebars_widgets;
|
|
}
|
|
|
|
// Map locations with the same slug.
|
|
$existing_sidebars = array_keys( $existing_sidebars_widgets );
|
|
|
|
foreach ( $wp_registered_sidebars as $sidebar => $name ) {
|
|
if ( in_array( $sidebar, $existing_sidebars, true ) ) {
|
|
$new_sidebars_widgets[ $sidebar ] = $existing_sidebars_widgets[ $sidebar ];
|
|
unset( $existing_sidebars_widgets[ $sidebar ] );
|
|
} elseif ( ! array_key_exists( $sidebar, $new_sidebars_widgets ) ) {
|
|
$new_sidebars_widgets[ $sidebar ] = array();
|
|
}
|
|
}
|
|
|
|
// If there are more sidebars, try to map them.
|
|
if ( ! empty( $existing_sidebars_widgets ) ) {
|
|
|
|
/*
|
|
* If old and new theme both have sidebars that contain phrases
|
|
* from within the same group, make an educated guess and map it.
|
|
*/
|
|
$common_slug_groups = array(
|
|
array( 'sidebar', 'primary', 'main', 'right' ),
|
|
array( 'second', 'left' ),
|
|
array( 'sidebar-2', 'footer', 'bottom' ),
|
|
array( 'header', 'top' ),
|
|
);
|
|
|
|
// Go through each group...
|
|
foreach ( $common_slug_groups as $slug_group ) {
|
|
|
|
// ...and see if any of these slugs...
|
|
foreach ( $slug_group as $slug ) {
|
|
|
|
// ...and any of the new sidebars...
|
|
foreach ( $wp_registered_sidebars as $new_sidebar => $args ) {
|
|
|
|
// ...actually match!
|
|
if ( false === stripos( $new_sidebar, $slug ) && false === stripos( $slug, $new_sidebar ) ) {
|
|
continue;
|
|
}
|
|
|
|
// Then see if any of the existing sidebars...
|
|
foreach ( $existing_sidebars_widgets as $sidebar => $widgets ) {
|
|
|
|
// ...and any slug in the same group...
|
|
foreach ( $slug_group as $slug ) {
|
|
|
|
// ... have a match as well.
|
|
if ( false === stripos( $sidebar, $slug ) && false === stripos( $slug, $sidebar ) ) {
|
|
continue;
|
|
}
|
|
|
|
// Make sure this sidebar wasn't mapped and removed previously.
|
|
if ( ! empty( $existing_sidebars_widgets[ $sidebar ] ) ) {
|
|
|
|
// We have a match that can be mapped!
|
|
$new_sidebars_widgets[ $new_sidebar ] = array_merge( $new_sidebars_widgets[ $new_sidebar ], $existing_sidebars_widgets[ $sidebar ] );
|
|
|
|
// Remove the mapped sidebar so it can't be mapped again.
|
|
unset( $existing_sidebars_widgets[ $sidebar ] );
|
|
|
|
// Go back and check the next new sidebar.
|
|
continue 3;
|
|
}
|
|
} // End foreach ( $slug_group as $slug ).
|
|
} // End foreach ( $existing_sidebars_widgets as $sidebar => $widgets ).
|
|
} // End foreach ( $wp_registered_sidebars as $new_sidebar => $args ).
|
|
} // End foreach ( $slug_group as $slug ).
|
|
} // End foreach ( $common_slug_groups as $slug_group ).
|
|
}
|
|
|
|
// Move any left over widgets to inactive sidebar.
|
|
foreach ( $existing_sidebars_widgets as $widgets ) {
|
|
if ( is_array( $widgets ) && ! empty( $widgets ) ) {
|
|
$new_sidebars_widgets['wp_inactive_widgets'] = array_merge( $new_sidebars_widgets['wp_inactive_widgets'], $widgets );
|
|
}
|
|
}
|
|
|
|
// Sidebars_widgets settings from when this theme was previously active.
|
|
$old_sidebars_widgets = get_theme_mod( 'sidebars_widgets' );
|
|
$old_sidebars_widgets = isset( $old_sidebars_widgets['data'] ) ? $old_sidebars_widgets['data'] : false;
|
|
|
|
if ( is_array( $old_sidebars_widgets ) ) {
|
|
|
|
// Remove empty sidebars, no need to map those.
|
|
$old_sidebars_widgets = array_filter( $old_sidebars_widgets );
|
|
|
|
// Only check sidebars that are empty or have not been mapped to yet.
|
|
foreach ( $new_sidebars_widgets as $new_sidebar => $new_widgets ) {
|
|
if ( array_key_exists( $new_sidebar, $old_sidebars_widgets ) && ! empty( $new_widgets ) ) {
|
|
unset( $old_sidebars_widgets[ $new_sidebar ] );
|
|
}
|
|
}
|
|
|
|
// Remove orphaned widgets, we're only interested in previously active sidebars.
|
|
foreach ( $old_sidebars_widgets as $sidebar => $widgets ) {
|
|
if ( 'orphaned_widgets' === substr( $sidebar, 0, 16 ) ) {
|
|
unset( $old_sidebars_widgets[ $sidebar ] );
|
|
}
|
|
}
|
|
|
|
$old_sidebars_widgets = _wp_remove_unregistered_widgets( $old_sidebars_widgets );
|
|
|
|
if ( ! empty( $old_sidebars_widgets ) ) {
|
|
|
|
// Go through each remaining sidebar...
|
|
foreach ( $old_sidebars_widgets as $old_sidebar => $old_widgets ) {
|
|
|
|
// ...and check every new sidebar...
|
|
foreach ( $new_sidebars_widgets as $new_sidebar => $new_widgets ) {
|
|
|
|
// ...for every widget we're trying to revive.
|
|
foreach ( $old_widgets as $key => $widget_id ) {
|
|
$active_key = array_search( $widget_id, $new_widgets, true );
|
|
|
|
// If the widget is used elsewhere...
|
|
if ( false !== $active_key ) {
|
|
|
|
// ...and that elsewhere is inactive widgets...
|
|
if ( 'wp_inactive_widgets' === $new_sidebar ) {
|
|
|
|
// ...remove it from there and keep the active version...
|
|
unset( $new_sidebars_widgets['wp_inactive_widgets'][ $active_key ] );
|
|
} else {
|
|
|
|
// ...otherwise remove it from the old sidebar and keep it in the new one.
|
|
unset( $old_sidebars_widgets[ $old_sidebar ][ $key ] );
|
|
}
|
|
} // End if ( $active_key ).
|
|
} // End foreach ( $old_widgets as $key => $widget_id ).
|
|
} // End foreach ( $new_sidebars_widgets as $new_sidebar => $new_widgets ).
|
|
} // End foreach ( $old_sidebars_widgets as $old_sidebar => $old_widgets ).
|
|
} // End if ( ! empty( $old_sidebars_widgets ) ).
|
|
|
|
// Restore widget settings from when theme was previously active.
|
|
$new_sidebars_widgets = array_merge( $new_sidebars_widgets, $old_sidebars_widgets );
|
|
}
|
|
|
|
return $new_sidebars_widgets;
|
|
}
|
|
|
|
/**
|
|
* Compares a list of sidebars with their widgets against an allowed list.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @param array $sidebars_widgets List of sidebars and their widget instance IDs.
|
|
* @param array $allowed_widget_ids Optional. List of widget IDs to compare against. Default: Registered widgets.
|
|
* @return array Sidebars with allowed widgets.
|
|
*/
|
|
function _wp_remove_unregistered_widgets( $sidebars_widgets, $allowed_widget_ids = array() ) {
|
|
if ( empty( $allowed_widget_ids ) ) {
|
|
$allowed_widget_ids = array_keys( $GLOBALS['wp_registered_widgets'] );
|
|
}
|
|
|
|
foreach ( $sidebars_widgets as $sidebar => $widgets ) {
|
|
if ( is_array( $widgets ) ) {
|
|
$sidebars_widgets[ $sidebar ] = array_intersect( $widgets, $allowed_widget_ids );
|
|
}
|
|
}
|
|
|
|
return $sidebars_widgets;
|
|
}
|
|
|
|
/**
|
|
* Display the RSS entries in a list.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param string|array|object $rss RSS url.
|
|
* @param array $args Widget arguments.
|
|
*/
|
|
function wp_widget_rss_output( $rss, $args = array() ) {
|
|
if ( is_string( $rss ) ) {
|
|
$rss = fetch_feed( $rss );
|
|
} elseif ( is_array( $rss ) && isset( $rss['url'] ) ) {
|
|
$args = $rss;
|
|
$rss = fetch_feed( $rss['url'] );
|
|
} elseif ( ! is_object( $rss ) ) {
|
|
return;
|
|
}
|
|
|
|
if ( is_wp_error( $rss ) ) {
|
|
if ( is_admin() || current_user_can( 'manage_options' ) ) {
|
|
echo '<p><strong>' . __( 'RSS Error:' ) . '</strong> ' . esc_html( $rss->get_error_message() ) . '</p>';
|
|
}
|
|
return;
|
|
}
|
|
|
|
$default_args = array(
|
|
'show_author' => 0,
|
|
'show_date' => 0,
|
|
'show_summary' => 0,
|
|
'items' => 0,
|
|
);
|
|
$args = wp_parse_args( $args, $default_args );
|
|
|
|
$items = (int) $args['items'];
|
|
if ( $items < 1 || 20 < $items ) {
|
|
$items = 10;
|
|
}
|
|
$show_summary = (int) $args['show_summary'];
|
|
$show_author = (int) $args['show_author'];
|
|
$show_date = (int) $args['show_date'];
|
|
|
|
if ( ! $rss->get_item_quantity() ) {
|
|
echo '<ul><li>' . __( 'An error has occurred, which probably means the feed is down. Try again later.' ) . '</li></ul>';
|
|
$rss->__destruct();
|
|
unset( $rss );
|
|
return;
|
|
}
|
|
|
|
echo '<ul>';
|
|
foreach ( $rss->get_items( 0, $items ) as $item ) {
|
|
$link = $item->get_link();
|
|
while ( ! empty( $link ) && stristr( $link, 'http' ) !== $link ) {
|
|
$link = substr( $link, 1 );
|
|
}
|
|
$link = esc_url( strip_tags( $link ) );
|
|
|
|
$title = esc_html( trim( strip_tags( $item->get_title() ) ) );
|
|
if ( empty( $title ) ) {
|
|
$title = __( 'Untitled' );
|
|
}
|
|
|
|
$desc = html_entity_decode( $item->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) );
|
|
$desc = esc_attr( wp_trim_words( $desc, 55, ' […]' ) );
|
|
|
|
$summary = '';
|
|
if ( $show_summary ) {
|
|
$summary = $desc;
|
|
|
|
// Change existing [...] to […].
|
|
if ( '[...]' === substr( $summary, -5 ) ) {
|
|
$summary = substr( $summary, 0, -5 ) . '[…]';
|
|
}
|
|
|
|
$summary = '<div class="rssSummary">' . esc_html( $summary ) . '</div>';
|
|
}
|
|
|
|
$date = '';
|
|
if ( $show_date ) {
|
|
$date = $item->get_date( 'U' );
|
|
|
|
if ( $date ) {
|
|
$date = ' <span class="rss-date">' . date_i18n( get_option( 'date_format' ), $date ) . '</span>';
|
|
}
|
|
}
|
|
|
|
$author = '';
|
|
if ( $show_author ) {
|
|
$author = $item->get_author();
|
|
if ( is_object( $author ) ) {
|
|
$author = $author->get_name();
|
|
$author = ' <cite>' . esc_html( strip_tags( $author ) ) . '</cite>';
|
|
}
|
|
}
|
|
|
|
if ( '' === $link ) {
|
|
echo "<li>$title{$date}{$summary}{$author}</li>";
|
|
} elseif ( $show_summary ) {
|
|
echo "<li><a class='rsswidget' href='$link'>$title</a>{$date}{$summary}{$author}</li>";
|
|
} else {
|
|
echo "<li><a class='rsswidget' href='$link'>$title</a>{$date}{$author}</li>";
|
|
}
|
|
}
|
|
echo '</ul>';
|
|
$rss->__destruct();
|
|
unset( $rss );
|
|
}
|
|
|
|
/**
|
|
* Display RSS widget options form.
|
|
*
|
|
* The options for what fields are displayed for the RSS form are all booleans
|
|
* and are as follows: 'url', 'title', 'items', 'show_summary', 'show_author',
|
|
* 'show_date'.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param array|string $args Values for input fields.
|
|
* @param array $inputs Override default display options.
|
|
*/
|
|
function wp_widget_rss_form( $args, $inputs = null ) {
|
|
$default_inputs = array(
|
|
'url' => true,
|
|
'title' => true,
|
|
'items' => true,
|
|
'show_summary' => true,
|
|
'show_author' => true,
|
|
'show_date' => true,
|
|
);
|
|
$inputs = wp_parse_args( $inputs, $default_inputs );
|
|
|
|
$args['title'] = isset( $args['title'] ) ? $args['title'] : '';
|
|
$args['url'] = isset( $args['url'] ) ? $args['url'] : '';
|
|
$args['items'] = isset( $args['items'] ) ? (int) $args['items'] : 0;
|
|
|
|
if ( $args['items'] < 1 || 20 < $args['items'] ) {
|
|
$args['items'] = 10;
|
|
}
|
|
|
|
$args['show_summary'] = isset( $args['show_summary'] ) ? (int) $args['show_summary'] : (int) $inputs['show_summary'];
|
|
$args['show_author'] = isset( $args['show_author'] ) ? (int) $args['show_author'] : (int) $inputs['show_author'];
|
|
$args['show_date'] = isset( $args['show_date'] ) ? (int) $args['show_date'] : (int) $inputs['show_date'];
|
|
|
|
if ( ! empty( $args['error'] ) ) {
|
|
echo '<p class="widget-error"><strong>' . __( 'RSS Error:' ) . '</strong> ' . esc_html( $args['error'] ) . '</p>';
|
|
}
|
|
|
|
$esc_number = esc_attr( $args['number'] );
|
|
if ( $inputs['url'] ) :
|
|
?>
|
|
<p><label for="rss-url-<?php echo $esc_number; ?>"><?php _e( 'Enter the RSS feed URL here:' ); ?></label>
|
|
<input class="widefat" id="rss-url-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][url]" type="text" value="<?php echo esc_url( $args['url'] ); ?>" /></p>
|
|
<?php endif; if ( $inputs['title'] ) : ?>
|
|
<p><label for="rss-title-<?php echo $esc_number; ?>"><?php _e( 'Give the feed a title (optional):' ); ?></label>
|
|
<input class="widefat" id="rss-title-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][title]" type="text" value="<?php echo esc_attr( $args['title'] ); ?>" /></p>
|
|
<?php endif; if ( $inputs['items'] ) : ?>
|
|
<p><label for="rss-items-<?php echo $esc_number; ?>"><?php _e( 'How many items would you like to display?' ); ?></label>
|
|
<select id="rss-items-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][items]">
|
|
<?php
|
|
for ( $i = 1; $i <= 20; ++$i ) {
|
|
echo "<option value='$i' " . selected( $args['items'], $i, false ) . ">$i</option>";
|
|
}
|
|
?>
|
|
</select></p>
|
|
<?php endif; if ( $inputs['show_summary'] || $inputs['show_author'] || $inputs['show_date'] ) : ?>
|
|
<p>
|
|
<?php if ( $inputs['show_summary'] ) : ?>
|
|
<input id="rss-show-summary-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_summary]" type="checkbox" value="1" <?php checked( $args['show_summary'] ); ?> />
|
|
<label for="rss-show-summary-<?php echo $esc_number; ?>"><?php _e( 'Display item content?' ); ?></label><br />
|
|
<?php endif; if ( $inputs['show_author'] ) : ?>
|
|
<input id="rss-show-author-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_author]" type="checkbox" value="1" <?php checked( $args['show_author'] ); ?> />
|
|
<label for="rss-show-author-<?php echo $esc_number; ?>"><?php _e( 'Display item author if available?' ); ?></label><br />
|
|
<?php endif; if ( $inputs['show_date'] ) : ?>
|
|
<input id="rss-show-date-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_date]" type="checkbox" value="1" <?php checked( $args['show_date'] ); ?>/>
|
|
<label for="rss-show-date-<?php echo $esc_number; ?>"><?php _e( 'Display item date?' ); ?></label><br />
|
|
<?php endif; ?>
|
|
</p>
|
|
<?php
|
|
endif; // End of display options.
|
|
foreach ( array_keys( $default_inputs ) as $input ) :
|
|
if ( 'hidden' === $inputs[ $input ] ) :
|
|
$id = str_replace( '_', '-', $input );
|
|
?>
|
|
<input type="hidden" id="rss-<?php echo esc_attr( $id ); ?>-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][<?php echo esc_attr( $input ); ?>]" value="<?php echo esc_attr( $args[ $input ] ); ?>" />
|
|
<?php
|
|
endif;
|
|
endforeach;
|
|
}
|
|
|
|
/**
|
|
* Process RSS feed widget data and optionally retrieve feed items.
|
|
*
|
|
* The feed widget can not have more than 20 items or it will reset back to the
|
|
* default, which is 10.
|
|
*
|
|
* The resulting array has the feed title, feed url, feed link (from channel),
|
|
* feed items, error (if any), and whether to show summary, author, and date.
|
|
* All respectively in the order of the array elements.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param array $widget_rss RSS widget feed data. Expects unescaped data.
|
|
* @param bool $check_feed Optional. Whether to check feed for errors. Default true.
|
|
* @return array
|
|
*/
|
|
function wp_widget_rss_process( $widget_rss, $check_feed = true ) {
|
|
$items = (int) $widget_rss['items'];
|
|
if ( $items < 1 || 20 < $items ) {
|
|
$items = 10;
|
|
}
|
|
$url = sanitize_url( strip_tags( $widget_rss['url'] ) );
|
|
$title = isset( $widget_rss['title'] ) ? trim( strip_tags( $widget_rss['title'] ) ) : '';
|
|
$show_summary = isset( $widget_rss['show_summary'] ) ? (int) $widget_rss['show_summary'] : 0;
|
|
$show_author = isset( $widget_rss['show_author'] ) ? (int) $widget_rss['show_author'] : 0;
|
|
$show_date = isset( $widget_rss['show_date'] ) ? (int) $widget_rss['show_date'] : 0;
|
|
$error = false;
|
|
$link = '';
|
|
|
|
if ( $check_feed ) {
|
|
$rss = fetch_feed( $url );
|
|
|
|
if ( is_wp_error( $rss ) ) {
|
|
$error = $rss->get_error_message();
|
|
} else {
|
|
$link = esc_url( strip_tags( $rss->get_permalink() ) );
|
|
while ( stristr( $link, 'http' ) !== $link ) {
|
|
$link = substr( $link, 1 );
|
|
}
|
|
|
|
$rss->__destruct();
|
|
unset( $rss );
|
|
}
|
|
}
|
|
|
|
return compact( 'title', 'url', 'link', 'items', 'error', 'show_summary', 'show_author', 'show_date' );
|
|
}
|
|
|
|
/**
|
|
* Registers all of the default WordPress widgets on startup.
|
|
*
|
|
* Calls {@see 'widgets_init'} action after all of the WordPress widgets have been registered.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
function wp_widgets_init() {
|
|
if ( ! is_blog_installed() ) {
|
|
return;
|
|
}
|
|
|
|
register_widget( 'WP_Widget_Pages' );
|
|
|
|
register_widget( 'WP_Widget_Calendar' );
|
|
|
|
register_widget( 'WP_Widget_Archives' );
|
|
|
|
if ( get_option( 'link_manager_enabled' ) ) {
|
|
register_widget( 'WP_Widget_Links' );
|
|
}
|
|
|
|
register_widget( 'WP_Widget_Media_Audio' );
|
|
|
|
register_widget( 'WP_Widget_Media_Image' );
|
|
|
|
register_widget( 'WP_Widget_Media_Gallery' );
|
|
|
|
register_widget( 'WP_Widget_Media_Video' );
|
|
|
|
register_widget( 'WP_Widget_Meta' );
|
|
|
|
register_widget( 'WP_Widget_Search' );
|
|
|
|
register_widget( 'WP_Widget_Text' );
|
|
|
|
register_widget( 'WP_Widget_Categories' );
|
|
|
|
register_widget( 'WP_Widget_Recent_Posts' );
|
|
|
|
register_widget( 'WP_Widget_Recent_Comments' );
|
|
|
|
register_widget( 'WP_Widget_RSS' );
|
|
|
|
register_widget( 'WP_Widget_Tag_Cloud' );
|
|
|
|
register_widget( 'WP_Nav_Menu_Widget' );
|
|
|
|
register_widget( 'WP_Widget_Custom_HTML' );
|
|
|
|
register_widget( 'WP_Widget_Block' );
|
|
|
|
/**
|
|
* Fires after all default WordPress widgets have been registered.
|
|
*
|
|
* @since 2.2.0
|
|
*/
|
|
do_action( 'widgets_init' );
|
|
}
|
|
|
|
/**
|
|
* Enables the widgets block editor. This is hooked into 'after_setup_theme' so
|
|
* that the block editor is enabled by default but can be disabled by themes.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @access private
|
|
*/
|
|
function wp_setup_widgets_block_editor() {
|
|
add_theme_support( 'widgets-block-editor' );
|
|
}
|
|
|
|
/**
|
|
* Whether or not to use the block editor to manage widgets. Defaults to true
|
|
* unless a theme has removed support for widgets-block-editor or a plugin has
|
|
* filtered the return value of this function.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @return bool Whether to use the block editor to manage widgets.
|
|
*/
|
|
function wp_use_widgets_block_editor() {
|
|
/**
|
|
* Filters whether to use the block editor to manage widgets.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param bool $use_widgets_block_editor Whether to use the block editor to manage widgets.
|
|
*/
|
|
return apply_filters(
|
|
'use_widgets_block_editor',
|
|
get_theme_support( 'widgets-block-editor' )
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Converts a widget ID into its id_base and number components.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param string $id Widget ID.
|
|
* @return array Array containing a widget's id_base and number components.
|
|
*/
|
|
function wp_parse_widget_id( $id ) {
|
|
$parsed = array();
|
|
|
|
if ( preg_match( '/^(.+)-(\d+)$/', $id, $matches ) ) {
|
|
$parsed['id_base'] = $matches[1];
|
|
$parsed['number'] = (int) $matches[2];
|
|
} else {
|
|
// Likely an old single widget.
|
|
$parsed['id_base'] = $id;
|
|
}
|
|
|
|
return $parsed;
|
|
}
|
|
|
|
/**
|
|
* Finds the sidebar that a given widget belongs to.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param string $widget_id The widget ID to look for.
|
|
* @return string|null The found sidebar's ID, or null if it was not found.
|
|
*/
|
|
function wp_find_widgets_sidebar( $widget_id ) {
|
|
foreach ( wp_get_sidebars_widgets() as $sidebar_id => $widget_ids ) {
|
|
foreach ( $widget_ids as $maybe_widget_id ) {
|
|
if ( $maybe_widget_id === $widget_id ) {
|
|
return (string) $sidebar_id;
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Assigns a widget to the given sidebar.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param string $widget_id The widget ID to assign.
|
|
* @param string $sidebar_id The sidebar ID to assign to. If empty, the widget won't be added to any sidebar.
|
|
*/
|
|
function wp_assign_widget_to_sidebar( $widget_id, $sidebar_id ) {
|
|
$sidebars = wp_get_sidebars_widgets();
|
|
|
|
foreach ( $sidebars as $maybe_sidebar_id => $widgets ) {
|
|
foreach ( $widgets as $i => $maybe_widget_id ) {
|
|
if ( $widget_id === $maybe_widget_id && $sidebar_id !== $maybe_sidebar_id ) {
|
|
unset( $sidebars[ $maybe_sidebar_id ][ $i ] );
|
|
// We could technically break 2 here, but continue looping in case the ID is duplicated.
|
|
continue 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( $sidebar_id ) {
|
|
$sidebars[ $sidebar_id ][] = $widget_id;
|
|
}
|
|
|
|
wp_set_sidebars_widgets( $sidebars );
|
|
}
|
|
|
|
/**
|
|
* Calls the render callback of a widget and returns the output.
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*
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* @since 5.8.0
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|
*
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* @param string $widget_id Widget ID.
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|
* @param string $sidebar_id Sidebar ID.
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|
* @return string
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|
*/
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function wp_render_widget( $widget_id, $sidebar_id ) {
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|
global $wp_registered_widgets, $wp_registered_sidebars;
|
|
|
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if ( ! isset( $wp_registered_widgets[ $widget_id ] ) ) {
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|
return '';
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|
}
|
|
|
|
if ( isset( $wp_registered_sidebars[ $sidebar_id ] ) ) {
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|
$sidebar = $wp_registered_sidebars[ $sidebar_id ];
|
|
} elseif ( 'wp_inactive_widgets' === $sidebar_id ) {
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|
$sidebar = array();
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|
} else {
|
|
return '';
|
|
}
|
|
|
|
$params = array_merge(
|
|
array(
|
|
array_merge(
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|
$sidebar,
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|
array(
|
|
'widget_id' => $widget_id,
|
|
'widget_name' => $wp_registered_widgets[ $widget_id ]['name'],
|
|
)
|
|
),
|
|
),
|
|
(array) $wp_registered_widgets[ $widget_id ]['params']
|
|
);
|
|
|
|
// Substitute HTML `id` and `class` attributes into `before_widget`.
|
|
$classname_ = '';
|
|
foreach ( (array) $wp_registered_widgets[ $widget_id ]['classname'] as $cn ) {
|
|
if ( is_string( $cn ) ) {
|
|
$classname_ .= '_' . $cn;
|
|
} elseif ( is_object( $cn ) ) {
|
|
$classname_ .= '_' . get_class( $cn );
|
|
}
|
|
}
|
|
$classname_ = ltrim( $classname_, '_' );
|
|
$params[0]['before_widget'] = sprintf( $params[0]['before_widget'], $widget_id, $classname_ );
|
|
|
|
/** This filter is documented in wp-includes/widgets.php */
|
|
$params = apply_filters( 'dynamic_sidebar_params', $params );
|
|
|
|
$callback = $wp_registered_widgets[ $widget_id ]['callback'];
|
|
|
|
ob_start();
|
|
|
|
/** This filter is documented in wp-includes/widgets.php */
|
|
do_action( 'dynamic_sidebar', $wp_registered_widgets[ $widget_id ] );
|
|
|
|
if ( is_callable( $callback ) ) {
|
|
call_user_func_array( $callback, $params );
|
|
}
|
|
|
|
return ob_get_clean();
|
|
}
|
|
|
|
/**
|
|
* Calls the control callback of a widget and returns the output.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param string $id Widget ID.
|
|
* @return string|null
|
|
*/
|
|
function wp_render_widget_control( $id ) {
|
|
global $wp_registered_widget_controls;
|
|
|
|
if ( ! isset( $wp_registered_widget_controls[ $id ]['callback'] ) ) {
|
|
return null;
|
|
}
|
|
|
|
$callback = $wp_registered_widget_controls[ $id ]['callback'];
|
|
$params = $wp_registered_widget_controls[ $id ]['params'];
|
|
|
|
ob_start();
|
|
|
|
if ( is_callable( $callback ) ) {
|
|
call_user_func_array( $callback, $params );
|
|
}
|
|
|
|
return ob_get_clean();
|
|
}
|
|
|
|
/**
|
|
* Displays a _doing_it_wrong() message for conflicting widget editor scripts.
|
|
*
|
|
* The 'wp-editor' script module is exposed as window.wp.editor. This overrides
|
|
* the legacy TinyMCE editor module which is required by the widgets editor.
|
|
* Because of that conflict, these two shouldn't be enqueued together.
|
|
* See https://core.trac.wordpress.org/ticket/53569.
|
|
*
|
|
* There is also another conflict related to styles where the block widgets
|
|
* editor is hidden if a block enqueues 'wp-edit-post' stylesheet.
|
|
* See https://core.trac.wordpress.org/ticket/53569.
|
|
*
|
|
* @since 5.8.0
|
|
* @access private
|
|
*
|
|
* @global WP_Scripts $wp_scripts
|
|
* @global WP_Styles $wp_styles
|
|
*/
|
|
function wp_check_widget_editor_deps() {
|
|
global $wp_scripts, $wp_styles;
|
|
|
|
if (
|
|
$wp_scripts->query( 'wp-edit-widgets', 'enqueued' ) ||
|
|
$wp_scripts->query( 'wp-customize-widgets', 'enqueued' )
|
|
) {
|
|
if ( $wp_scripts->query( 'wp-editor', 'enqueued' ) ) {
|
|
_doing_it_wrong(
|
|
'wp_enqueue_script()',
|
|
sprintf(
|
|
/* translators: 1: 'wp-editor', 2: 'wp-edit-widgets', 3: 'wp-customize-widgets'. */
|
|
__( '"%1$s" script should not be enqueued together with the new widgets editor (%2$s or %3$s).' ),
|
|
'wp-editor',
|
|
'wp-edit-widgets',
|
|
'wp-customize-widgets'
|
|
),
|
|
'5.8.0'
|
|
);
|
|
}
|
|
if ( $wp_styles->query( 'wp-edit-post', 'enqueued' ) ) {
|
|
_doing_it_wrong(
|
|
'wp_enqueue_style()',
|
|
sprintf(
|
|
/* translators: 1: 'wp-edit-post', 2: 'wp-edit-widgets', 3: 'wp-customize-widgets'. */
|
|
__( '"%1$s" style should not be enqueued together with the new widgets editor (%2$s or %3$s).' ),
|
|
'wp-edit-post',
|
|
'wp-edit-widgets',
|
|
'wp-customize-widgets'
|
|
),
|
|
'5.8.0'
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Registers the previous theme's sidebars for the block themes.
|
|
*
|
|
* @since 6.2.0
|
|
* @access private
|
|
*
|
|
* @global array $wp_registered_sidebars Registered sidebars.
|
|
*/
|
|
function _wp_block_theme_register_classic_sidebars() {
|
|
global $wp_registered_sidebars;
|
|
|
|
if ( ! wp_is_block_theme() ) {
|
|
return;
|
|
}
|
|
|
|
$classic_sidebars = get_theme_mod( 'wp_classic_sidebars' );
|
|
if ( empty( $classic_sidebars ) ) {
|
|
return;
|
|
}
|
|
|
|
// Don't use `register_sidebar` since it will enable the `widgets` support for a theme.
|
|
foreach ( $classic_sidebars as $sidebar ) {
|
|
$wp_registered_sidebars[ $sidebar['id'] ] = $sidebar;
|
|
}
|
|
}
|