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Code Editor : taxonomy.php
<?php /** * Core Taxonomy API * * @package WordPress * @subpackage Taxonomy */ // // Taxonomy registration. // /** * Creates the initial taxonomies. * * This function fires twice: in wp-settings.php before plugins are loaded (for * backward compatibility reasons), and again on the {@see 'init'} action. We must * avoid registering rewrite rules before the {@see 'init'} action. * * @since 2.8.0 * @since 5.9.0 Added `'wp_template_part_area'` taxonomy. * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. */ function create_initial_taxonomies() { global $wp_rewrite; WP_Taxonomy::reset_default_labels(); if ( ! did_action( 'init' ) ) { $rewrite = array( 'category' => false, 'post_tag' => false, 'post_format' => false, ); } else { /** * Filters the post formats rewrite base. * * @since 3.1.0 * * @param string $context Context of the rewrite base. Default 'type'. */ $post_format_base = apply_filters( 'post_format_rewrite_base', 'type' ); $rewrite = array( 'category' => array( 'hierarchical' => true, 'slug' => get_option( 'category_base' ) ? get_option( 'category_base' ) : 'category', 'with_front' => ! get_option( 'category_base' ) || $wp_rewrite->using_index_permalinks(), 'ep_mask' => EP_CATEGORIES, ), 'post_tag' => array( 'hierarchical' => false, 'slug' => get_option( 'tag_base' ) ? get_option( 'tag_base' ) : 'tag', 'with_front' => ! get_option( 'tag_base' ) || $wp_rewrite->using_index_permalinks(), 'ep_mask' => EP_TAGS, ), 'post_format' => $post_format_base ? array( 'slug' => $post_format_base ) : false, ); } register_taxonomy( 'category', 'post', array( 'hierarchical' => true, 'query_var' => 'category_name', 'rewrite' => $rewrite['category'], 'public' => true, 'show_ui' => true, 'show_admin_column' => true, '_builtin' => true, 'capabilities' => array( 'manage_terms' => 'manage_categories', 'edit_terms' => 'edit_categories', 'delete_terms' => 'delete_categories', 'assign_terms' => 'assign_categories', ), 'show_in_rest' => true, 'rest_base' => 'categories', 'rest_controller_class' => 'WP_REST_Terms_Controller', ) ); register_taxonomy( 'post_tag', 'post', array( 'hierarchical' => false, 'query_var' => 'tag', 'rewrite' => $rewrite['post_tag'], 'public' => true, 'show_ui' => true, 'show_admin_column' => true, '_builtin' => true, 'capabilities' => array( 'manage_terms' => 'manage_post_tags', 'edit_terms' => 'edit_post_tags', 'delete_terms' => 'delete_post_tags', 'assign_terms' => 'assign_post_tags', ), 'show_in_rest' => true, 'rest_base' => 'tags', 'rest_controller_class' => 'WP_REST_Terms_Controller', ) ); register_taxonomy( 'nav_menu', 'nav_menu_item', array( 'public' => false, 'hierarchical' => false, 'labels' => array( 'name' => __( 'Navigation Menus' ), 'singular_name' => __( 'Navigation Menu' ), ), 'query_var' => false, 'rewrite' => false, 'show_ui' => false, '_builtin' => true, 'show_in_nav_menus' => false, 'capabilities' => array( 'manage_terms' => 'edit_theme_options', 'edit_terms' => 'edit_theme_options', 'delete_terms' => 'edit_theme_options', 'assign_terms' => 'edit_theme_options', ), 'show_in_rest' => true, 'rest_base' => 'menus', 'rest_controller_class' => 'WP_REST_Menus_Controller', ) ); register_taxonomy( 'link_category', 'link', array( 'hierarchical' => false, 'labels' => array( 'name' => __( 'Link Categories' ), 'singular_name' => __( 'Link Category' ), 'search_items' => __( 'Search Link Categories' ), 'popular_items' => null, 'all_items' => __( 'All Link Categories' ), 'edit_item' => __( 'Edit Link Category' ), 'update_item' => __( 'Update Link Category' ), 'add_new_item' => __( 'Add New Link Category' ), 'new_item_name' => __( 'New Link Category Name' ), 'separate_items_with_commas' => null, 'add_or_remove_items' => null, 'choose_from_most_used' => null, 'back_to_items' => __( '← Go to Link Categories' ), ), 'capabilities' => array( 'manage_terms' => 'manage_links', 'edit_terms' => 'manage_links', 'delete_terms' => 'manage_links', 'assign_terms' => 'manage_links', ), 'query_var' => false, 'rewrite' => false, 'public' => false, 'show_ui' => true, '_builtin' => true, ) ); register_taxonomy( 'post_format', 'post', array( 'public' => true, 'hierarchical' => false, 'labels' => array( 'name' => _x( 'Formats', 'post format' ), 'singular_name' => _x( 'Format', 'post format' ), ), 'query_var' => true, 'rewrite' => $rewrite['post_format'], 'show_ui' => false, '_builtin' => true, 'show_in_nav_menus' => current_theme_supports( 'post-formats' ), ) ); register_taxonomy( 'wp_theme', array( 'wp_template', 'wp_template_part', 'wp_global_styles' ), array( 'public' => false, 'hierarchical' => false, 'labels' => array( 'name' => __( 'Themes' ), 'singular_name' => __( 'Theme' ), ), 'query_var' => false, 'rewrite' => false, 'show_ui' => false, '_builtin' => true, 'show_in_nav_menus' => false, 'show_in_rest' => false, ) ); register_taxonomy( 'wp_template_part_area', array( 'wp_template_part' ), array( 'public' => false, 'hierarchical' => false, 'labels' => array( 'name' => __( 'Template Part Areas' ), 'singular_name' => __( 'Template Part Area' ), ), 'query_var' => false, 'rewrite' => false, 'show_ui' => false, '_builtin' => true, 'show_in_nav_menus' => false, 'show_in_rest' => false, ) ); register_taxonomy( 'wp_pattern_category', array( 'wp_block' ), array( 'public' => false, 'publicly_queryable' => false, 'hierarchical' => false, 'labels' => array( 'name' => _x( 'Pattern Categories', 'taxonomy general name' ), 'singular_name' => _x( 'Pattern Category', 'taxonomy singular name' ), 'add_new_item' => __( 'Add New Category' ), 'add_or_remove_items' => __( 'Add or remove pattern categories' ), 'back_to_items' => __( '← Go to Pattern Categories' ), 'choose_from_most_used' => __( 'Choose from the most used pattern categories' ), 'edit_item' => __( 'Edit Pattern Category' ), 'item_link' => __( 'Pattern Category Link' ), 'item_link_description' => __( 'A link to a pattern category.' ), 'items_list' => __( 'Pattern Categories list' ), 'items_list_navigation' => __( 'Pattern Categories list navigation' ), 'new_item_name' => __( 'New Pattern Category Name' ), 'no_terms' => __( 'No pattern categories' ), 'not_found' => __( 'No pattern categories found.' ), 'popular_items' => __( 'Popular Pattern Categories' ), 'search_items' => __( 'Search Pattern Categories' ), 'separate_items_with_commas' => __( 'Separate pattern categories with commas' ), 'update_item' => __( 'Update Pattern Category' ), 'view_item' => __( 'View Pattern Category' ), ), 'query_var' => false, 'rewrite' => false, 'show_ui' => true, '_builtin' => true, 'show_in_nav_menus' => false, 'show_in_rest' => true, 'show_admin_column' => true, 'show_tagcloud' => false, ) ); } /** * Retrieves a list of registered taxonomy names or objects. * * @since 3.0.0 * * @global WP_Taxonomy[] $wp_taxonomies The registered taxonomies. * * @param array $args Optional. An array of `key => value` arguments to match against the taxonomy objects. * Default empty array. * @param string $output Optional. The type of output to return in the array. Either 'names' * or 'objects'. Default 'names'. * @param string $operator Optional. The logical operation to perform. Accepts 'and' or 'or'. 'or' means only * one element from the array needs to match; 'and' means all elements must match. * Default 'and'. * @return string[]|WP_Taxonomy[] An array of taxonomy names or objects. */ function get_taxonomies( $args = array(), $output = 'names', $operator = 'and' ) { global $wp_taxonomies; $field = ( 'names' === $output ) ? 'name' : false; return wp_filter_object_list( $wp_taxonomies, $args, $operator, $field ); } /** * Returns the names or objects of the taxonomies which are registered for the requested object or object type, * such as a post object or post type name. * * Example: * * $taxonomies = get_object_taxonomies( 'post' ); * * This results in: * * Array( 'category', 'post_tag' ) * * @since 2.3.0 * * @global WP_Taxonomy[] $wp_taxonomies The registered taxonomies. * * @param string|string[]|WP_Post $object_type Name of the type of taxonomy object, or an object (row from posts). * @param string $output Optional. The type of output to return in the array. Accepts either * 'names' or 'objects'. Default 'names'. * @return string[]|WP_Taxonomy[] The names or objects of all taxonomies of `$object_type`. */ function get_object_taxonomies( $object_type, $output = 'names' ) { global $wp_taxonomies; if ( is_object( $object_type ) ) { if ( 'attachment' === $object_type->post_type ) { return get_attachment_taxonomies( $object_type, $output ); } $object_type = $object_type->post_type; } $object_type = (array) $object_type; $taxonomies = array(); foreach ( (array) $wp_taxonomies as $tax_name => $tax_obj ) { if ( array_intersect( $object_type, (array) $tax_obj->object_type ) ) { if ( 'names' === $output ) { $taxonomies[] = $tax_name; } else { $taxonomies[ $tax_name ] = $tax_obj; } } } return $taxonomies; } /** * Retrieves the taxonomy object of $taxonomy. * * The get_taxonomy function will first check that the parameter string given * is a taxonomy object and if it is, it will return it. * * @since 2.3.0 * * @global WP_Taxonomy[] $wp_taxonomies The registered taxonomies. * * @param string $taxonomy Name of taxonomy object to return. * @return WP_Taxonomy|false The taxonomy object or false if $taxonomy doesn't exist. */ function get_taxonomy( $taxonomy ) { global $wp_taxonomies; if ( ! taxonomy_exists( $taxonomy ) ) { return false; } return $wp_taxonomies[ $taxonomy ]; } /** * Determines whether the taxonomy name exists. * * Formerly is_taxonomy(), introduced in 2.3.0. * * 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 3.0.0 * * @global WP_Taxonomy[] $wp_taxonomies The registered taxonomies. * * @param string $taxonomy Name of taxonomy object. * @return bool Whether the taxonomy exists. */ function taxonomy_exists( $taxonomy ) { global $wp_taxonomies; return is_string( $taxonomy ) && isset( $wp_taxonomies[ $taxonomy ] ); } /** * Determines whether the taxonomy object is hierarchical. * * Checks to make sure that the taxonomy is an object first. Then Gets the * object, and finally returns the hierarchical value in the object. * * A false return value might also mean that the taxonomy does not exist. * * 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 2.3.0 * * @param string $taxonomy Name of taxonomy object. * @return bool Whether the taxonomy is hierarchical. */ function is_taxonomy_hierarchical( $taxonomy ) { if ( ! taxonomy_exists( $taxonomy ) ) { return false; } $taxonomy = get_taxonomy( $taxonomy ); return $taxonomy->hierarchical; } /** * Creates or modifies a taxonomy object. * * Note: Do not use before the {@see 'init'} hook. * * A simple function for creating or modifying a taxonomy object based on * the parameters given. If modifying an existing taxonomy object, note * that the `$object_type` value from the original registration will be * overwritten. * * @since 2.3.0 * @since 4.2.0 Introduced `show_in_quick_edit` argument. * @since 4.4.0 The `show_ui` argument is now enforced on the term editing screen. * @since 4.4.0 The `public` argument now controls whether the taxonomy can be queried on the front end. * @since 4.5.0 Introduced `publicly_queryable` argument. * @since 4.7.0 Introduced `show_in_rest`, 'rest_base' and 'rest_controller_class' * arguments to register the taxonomy in REST API. * @since 5.1.0 Introduced `meta_box_sanitize_cb` argument. * @since 5.4.0 Added the registered taxonomy object as a return value. * @since 5.5.0 Introduced `default_term` argument. * @since 5.9.0 Introduced `rest_namespace` argument. * * @global WP_Taxonomy[] $wp_taxonomies Registered taxonomies. * * @param string $taxonomy Taxonomy key. Must not exceed 32 characters and may only contain * lowercase alphanumeric characters, dashes, and underscores. See sanitize_key(). * @param array|string $object_type Object type or array of object types with which the taxonomy should be associated. * @param array|string $args { * Optional. Array or query string of arguments for registering a taxonomy. * * @type string[] $labels An array of labels for this taxonomy. By default, Tag labels are * used for non-hierarchical taxonomies, and Category labels are used * for hierarchical taxonomies. See accepted values in * get_taxonomy_labels(). Default empty array. * @type string $description A short descriptive summary of what the taxonomy is for. Default empty. * @type bool $public Whether a taxonomy is intended for use publicly either via * the admin interface or by front-end users. The default settings * of `$publicly_queryable`, `$show_ui`, and `$show_in_nav_menus` * are inherited from `$public`. * @type bool $publicly_queryable Whether the taxonomy is publicly queryable. * If not set, the default is inherited from `$public` * @type bool $hierarchical Whether the taxonomy is hierarchical. Default false. * @type bool $show_ui Whether to generate and allow a UI for managing terms in this taxonomy in * the admin. If not set, the default is inherited from `$public` * (default true). * @type bool $show_in_menu Whether to show the taxonomy in the admin menu. If true, the taxonomy is * shown as a submenu of the object type menu. If false, no menu is shown. * `$show_ui` must be true. If not set, default is inherited from `$show_ui` * (default true). * @type bool $show_in_nav_menus Makes this taxonomy available for selection in navigation menus. If not * set, the default is inherited from `$public` (default true). * @type bool $show_in_rest Whether to include the taxonomy in the REST API. Set this to true * for the taxonomy to be available in the block editor. * @type string $rest_base To change the base url of REST API route. Default is $taxonomy. * @type string $rest_namespace To change the namespace URL of REST API route. Default is wp/v2. * @type string $rest_controller_class REST API Controller class name. Default is 'WP_REST_Terms_Controller'. * @type bool $show_tagcloud Whether to list the taxonomy in the Tag Cloud Widget controls. If not set, * the default is inherited from `$show_ui` (default true). * @type bool $show_in_quick_edit Whether to show the taxonomy in the quick/bulk edit panel. It not set, * the default is inherited from `$show_ui` (default true). * @type bool $show_admin_column Whether to display a column for the taxonomy on its post type listing * screens. Default false. * @type bool|callable $meta_box_cb Provide a callback function for the meta box display. If not set, * post_categories_meta_box() is used for hierarchical taxonomies, and * post_tags_meta_box() is used for non-hierarchical. If false, no meta * box is shown. * @type callable $meta_box_sanitize_cb Callback function for sanitizing taxonomy data saved from a meta * box. If no callback is defined, an appropriate one is determined * based on the value of `$meta_box_cb`. * @type string[] $capabilities { * Array of capabilities for this taxonomy. * * @type string $manage_terms Default 'manage_categories'. * @type string $edit_terms Default 'manage_categories'. * @type string $delete_terms Default 'manage_categories'. * @type string $assign_terms Default 'edit_posts'. * } * @type bool|array $rewrite { * Triggers the handling of rewrites for this taxonomy. Default true, using $taxonomy as slug. To prevent * rewrite, set to false. To specify rewrite rules, an array can be passed with any of these keys: * * @type string $slug Customize the permastruct slug. Default `$taxonomy` key. * @type bool $with_front Should the permastruct be prepended with WP_Rewrite::$front. Default true. * @type bool $hierarchical Either hierarchical rewrite tag or not. Default false. * @type int $ep_mask Assign an endpoint mask. Default `EP_NONE`. * } * @type string|bool $query_var Sets the query var key for this taxonomy. Default `$taxonomy` key. If * false, a taxonomy cannot be loaded at `?{query_var}={term_slug}`. If a * string, the query `?{query_var}={term_slug}` will be valid. * @type callable $update_count_callback Works much like a hook, in that it will be called when the count is * updated. Default _update_post_term_count() for taxonomies attached * to post types, which confirms that the objects are published before * counting them. Default _update_generic_term_count() for taxonomies * attached to other object types, such as users. * @type string|array $default_term { * Default term to be used for the taxonomy. * * @type string $name Name of default term. * @type string $slug Slug for default term. Default empty. * @type string $description Description for default term. Default empty. * } * @type bool $sort Whether terms in this taxonomy should be sorted in the order they are * provided to `wp_set_object_terms()`. Default null which equates to false. * @type array $args Array of arguments to automatically use inside `wp_get_object_terms()` * for this taxonomy. * @type bool $_builtin This taxonomy is a "built-in" taxonomy. INTERNAL USE ONLY! * Default false. * } * @return WP_Taxonomy|WP_Error The registered taxonomy object on success, WP_Error object on failure. */ function register_taxonomy( $taxonomy, $object_type, $args = array() ) { global $wp_taxonomies; if ( ! is_array( $wp_taxonomies ) ) { $wp_taxonomies = array(); } $args = wp_parse_args( $args ); if ( empty( $taxonomy ) || strlen( $taxonomy ) > 32 ) { _doing_it_wrong( __FUNCTION__, __( 'Taxonomy names must be between 1 and 32 characters in length.' ), '4.2.0' ); return new WP_Error( 'taxonomy_length_invalid', __( 'Taxonomy names must be between 1 and 32 characters in length.' ) ); } $taxonomy_object = new WP_Taxonomy( $taxonomy, $object_type, $args ); $taxonomy_object->add_rewrite_rules(); $wp_taxonomies[ $taxonomy ] = $taxonomy_object; $taxonomy_object->add_hooks(); // Add default term. if ( ! empty( $taxonomy_object->default_term ) ) { $term = term_exists( $taxonomy_object->default_term['name'], $taxonomy ); if ( $term ) { update_option( 'default_term_' . $taxonomy_object->name, $term['term_id'] ); } else { $term = wp_insert_term( $taxonomy_object->default_term['name'], $taxonomy, array( 'slug' => sanitize_title( $taxonomy_object->default_term['slug'] ), 'description' => $taxonomy_object->default_term['description'], ) ); // Update `term_id` in options. if ( ! is_wp_error( $term ) ) { update_option( 'default_term_' . $taxonomy_object->name, $term['term_id'] ); } } } /** * Fires after a taxonomy is registered. * * @since 3.3.0 * * @param string $taxonomy Taxonomy slug. * @param array|string $object_type Object type or array of object types. * @param array $args Array of taxonomy registration arguments. */ do_action( 'registered_taxonomy', $taxonomy, $object_type, (array) $taxonomy_object ); /** * Fires after a specific taxonomy is registered. * * The dynamic portion of the filter name, `$taxonomy`, refers to the taxonomy key. * * Possible hook names include: * * - `registered_taxonomy_category` * - `registered_taxonomy_post_tag` * * @since 6.0.0 * * @param string $taxonomy Taxonomy slug. * @param array|string $object_type Object type or array of object types. * @param array $args Array of taxonomy registration arguments. */ do_action( "registered_taxonomy_{$taxonomy}", $taxonomy, $object_type, (array) $taxonomy_object ); return $taxonomy_object; } /** * Unregisters a taxonomy. * * Can not be used to unregister built-in taxonomies. * * @since 4.5.0 * * @global WP_Taxonomy[] $wp_taxonomies List of taxonomies. * * @param string $taxonomy Taxonomy name. * @return true|WP_Error True on success, WP_Error on failure or if the taxonomy doesn't exist. */ function unregister_taxonomy( $taxonomy ) { global $wp_taxonomies; if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } $taxonomy_object = get_taxonomy( $taxonomy ); // Do not allow unregistering internal taxonomies. if ( $taxonomy_object->_builtin ) { return new WP_Error( 'invalid_taxonomy', __( 'Unregistering a built-in taxonomy is not allowed.' ) ); } $taxonomy_object->remove_rewrite_rules(); $taxonomy_object->remove_hooks(); // Remove the taxonomy. unset( $wp_taxonomies[ $taxonomy ] ); /** * Fires after a taxonomy is unregistered. * * @since 4.5.0 * * @param string $taxonomy Taxonomy name. */ do_action( 'unregistered_taxonomy', $taxonomy ); return true; } /** * Builds an object with all taxonomy labels out of a taxonomy object. * * @since 3.0.0 * @since 4.3.0 Added the `no_terms` label. * @since 4.4.0 Added the `items_list_navigation` and `items_list` labels. * @since 4.9.0 Added the `most_used` and `back_to_items` labels. * @since 5.7.0 Added the `filter_by_item` label. * @since 5.8.0 Added the `item_link` and `item_link_description` labels. * @since 5.9.0 Added the `name_field_description`, `slug_field_description`, * `parent_field_description`, and `desc_field_description` labels. * * @param WP_Taxonomy $tax Taxonomy object. * @return object { * Taxonomy labels object. The first default value is for non-hierarchical taxonomies * (like tags) and the second one is for hierarchical taxonomies (like categories). * * @type string $name General name for the taxonomy, usually plural. The same * as and overridden by `$tax->label`. Default 'Tags'/'Categories'. * @type string $singular_name Name for one object of this taxonomy. Default 'Tag'/'Category'. * @type string $search_items Default 'Search Tags'/'Search Categories'. * @type string $popular_items This label is only used for non-hierarchical taxonomies. * Default 'Popular Tags'. * @type string $all_items Default 'All Tags'/'All Categories'. * @type string $parent_item This label is only used for hierarchical taxonomies. Default * 'Parent Category'. * @type string $parent_item_colon The same as `parent_item`, but with colon `:` in the end. * @type string $name_field_description Description for the Name field on Edit Tags screen. * Default 'The name is how it appears on your site'. * @type string $slug_field_description Description for the Slug field on Edit Tags screen. * Default 'The “slug” is the URL-friendly version * of the name. It is usually all lowercase and contains * only letters, numbers, and hyphens'. * @type string $parent_field_description Description for the Parent field on Edit Tags screen. * Default 'Assign a parent term to create a hierarchy. * The term Jazz, for example, would be the parent * of Bebop and Big Band'. * @type string $desc_field_description Description for the Description field on Edit Tags screen. * Default 'The description is not prominent by default; * however, some themes may show it'. * @type string $edit_item Default 'Edit Tag'/'Edit Category'. * @type string $view_item Default 'View Tag'/'View Category'. * @type string $update_item Default 'Update Tag'/'Update Category'. * @type string $add_new_item Default 'Add New Tag'/'Add New Category'. * @type string $new_item_name Default 'New Tag Name'/'New Category Name'. * @type string $separate_items_with_commas This label is only used for non-hierarchical taxonomies. Default * 'Separate tags with commas', used in the meta box. * @type string $add_or_remove_items This label is only used for non-hierarchical taxonomies. Default * 'Add or remove tags', used in the meta box when JavaScript * is disabled. * @type string $choose_from_most_used This label is only used on non-hierarchical taxonomies. Default * 'Choose from the most used tags', used in the meta box. * @type string $not_found Default 'No tags found'/'No categories found', used in * the meta box and taxonomy list table. * @type string $no_terms Default 'No tags'/'No categories', used in the posts and media * list tables. * @type string $filter_by_item This label is only used for hierarchical taxonomies. Default * 'Filter by category', used in the posts list table. * @type string $items_list_navigation Label for the table pagination hidden heading. * @type string $items_list Label for the table hidden heading. * @type string $most_used Title for the Most Used tab. Default 'Most Used'. * @type string $back_to_items Label displayed after a term has been updated. * @type string $item_link Used in the block editor. Title for a navigation link block variation. * Default 'Tag Link'/'Category Link'. * @type string $item_link_description Used in the block editor. Description for a navigation link block * variation. Default 'A link to a tag'/'A link to a category'. * } */ function get_taxonomy_labels( $tax ) { $tax->labels = (array) $tax->labels; if ( isset( $tax->helps ) && empty( $tax->labels['separate_items_with_commas'] ) ) { $tax->labels['separate_items_with_commas'] = $tax->helps; } if ( isset( $tax->no_tagcloud ) && empty( $tax->labels['not_found'] ) ) { $tax->labels['not_found'] = $tax->no_tagcloud; } $nohier_vs_hier_defaults = WP_Taxonomy::get_default_labels(); $nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name']; $labels = _get_custom_object_labels( $tax, $nohier_vs_hier_defaults ); $taxonomy = $tax->name; $default_labels = clone $labels; /** * Filters the labels of a specific taxonomy. * * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. * * Possible hook names include: * * - `taxonomy_labels_category` * - `taxonomy_labels_post_tag` * * @since 4.4.0 * * @see get_taxonomy_labels() for the full list of taxonomy labels. * * @param object $labels Object with labels for the taxonomy as member variables. */ $labels = apply_filters( "taxonomy_labels_{$taxonomy}", $labels ); // Ensure that the filtered labels contain all required default values. $labels = (object) array_merge( (array) $default_labels, (array) $labels ); return $labels; } /** * Adds an already registered taxonomy to an object type. * * @since 3.0.0 * * @global WP_Taxonomy[] $wp_taxonomies The registered taxonomies. * * @param string $taxonomy Name of taxonomy object. * @param string $object_type Name of the object type. * @return bool True if successful, false if not. */ function register_taxonomy_for_object_type( $taxonomy, $object_type ) { global $wp_taxonomies; if ( ! isset( $wp_taxonomies[ $taxonomy ] ) ) { return false; } if ( ! get_post_type_object( $object_type ) ) { return false; } if ( ! in_array( $object_type, $wp_taxonomies[ $taxonomy ]->object_type, true ) ) { $wp_taxonomies[ $taxonomy ]->object_type[] = $object_type; } // Filter out empties. $wp_taxonomies[ $taxonomy ]->object_type = array_filter( $wp_taxonomies[ $taxonomy ]->object_type ); /** * Fires after a taxonomy is registered for an object type. * * @since 5.1.0 * * @param string $taxonomy Taxonomy name. * @param string $object_type Name of the object type. */ do_action( 'registered_taxonomy_for_object_type', $taxonomy, $object_type ); return true; } /** * Removes an already registered taxonomy from an object type. * * @since 3.7.0 * * @global WP_Taxonomy[] $wp_taxonomies The registered taxonomies. * * @param string $taxonomy Name of taxonomy object. * @param string $object_type Name of the object type. * @return bool True if successful, false if not. */ function unregister_taxonomy_for_object_type( $taxonomy, $object_type ) { global $wp_taxonomies; if ( ! isset( $wp_taxonomies[ $taxonomy ] ) ) { return false; } if ( ! get_post_type_object( $object_type ) ) { return false; } $key = array_search( $object_type, $wp_taxonomies[ $taxonomy ]->object_type, true ); if ( false === $key ) { return false; } unset( $wp_taxonomies[ $taxonomy ]->object_type[ $key ] ); /** * Fires after a taxonomy is unregistered for an object type. * * @since 5.1.0 * * @param string $taxonomy Taxonomy name. * @param string $object_type Name of the object type. */ do_action( 'unregistered_taxonomy_for_object_type', $taxonomy, $object_type ); return true; } // // Term API. // /** * Retrieves object IDs of valid taxonomy and term. * * The strings of `$taxonomies` must exist before this function will continue. * On failure of finding a valid taxonomy, it will return a WP_Error. * * The `$terms` aren't checked the same as `$taxonomies`, but still need to exist * for object IDs to be returned. * * It is possible to change the order that object IDs are returned by using `$args` * with either ASC or DESC array. The value should be in the key named 'order'. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|int[] $term_ids Term ID or array of term IDs of terms that will be used. * @param string|string[] $taxonomies String of taxonomy name or Array of string values of taxonomy names. * @param array|string $args { * Change the order of the object IDs. * * @type string $order Order to retrieve terms. Accepts 'ASC' or 'DESC'. Default 'ASC'. * } * @return string[]|WP_Error An array of object IDs as numeric strings on success, * WP_Error if the taxonomy does not exist. */ function get_objects_in_term( $term_ids, $taxonomies, $args = array() ) { global $wpdb; if ( ! is_array( $term_ids ) ) { $term_ids = array( $term_ids ); } if ( ! is_array( $taxonomies ) ) { $taxonomies = array( $taxonomies ); } foreach ( (array) $taxonomies as $taxonomy ) { if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } } $defaults = array( 'order' => 'ASC' ); $args = wp_parse_args( $args, $defaults ); $order = ( 'desc' === strtolower( $args['order'] ) ) ? 'DESC' : 'ASC'; $term_ids = array_map( 'intval', $term_ids ); $taxonomies = "'" . implode( "', '", array_map( 'esc_sql', $taxonomies ) ) . "'"; $term_ids = "'" . implode( "', '", $term_ids ) . "'"; $sql = "SELECT tr.object_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ($taxonomies) AND tt.term_id IN ($term_ids) ORDER BY tr.object_id $order"; $last_changed = wp_cache_get_last_changed( 'terms' ); $cache_key = 'get_objects_in_term:' . md5( $sql ) . ":$last_changed"; $cache = wp_cache_get( $cache_key, 'term-queries' ); if ( false === $cache ) { $object_ids = $wpdb->get_col( $sql ); wp_cache_set( $cache_key, $object_ids, 'term-queries' ); } else { $object_ids = (array) $cache; } if ( ! $object_ids ) { return array(); } return $object_ids; } /** * Given a taxonomy query, generates SQL to be appended to a main query. * * @since 3.1.0 * * @see WP_Tax_Query * * @param array $tax_query A compact tax query * @param string $primary_table * @param string $primary_id_column * @return string[] */ function get_tax_sql( $tax_query, $primary_table, $primary_id_column ) { $tax_query_obj = new WP_Tax_Query( $tax_query ); return $tax_query_obj->get_sql( $primary_table, $primary_id_column ); } /** * Gets all term data from database by term ID. * * The usage of the get_term function is to apply filters to a term object. It * is possible to get a term object from the database before applying the * filters. * * $term ID must be part of $taxonomy, to get from the database. Failure, might * be able to be captured by the hooks. Failure would be the same value as $wpdb * returns for the get_row method. * * There are two hooks, one is specifically for each term, named 'get_term', and * the second is for the taxonomy name, 'term_$taxonomy'. Both hooks gets the * term object, and the taxonomy name as parameters. Both hooks are expected to * return a term object. * * {@see 'get_term'} hook - Takes two parameters the term Object and the taxonomy name. * Must return term object. Used in get_term() as a catch-all filter for every * $term. * * {@see 'get_$taxonomy'} hook - Takes two parameters the term Object and the taxonomy * name. Must return term object. $taxonomy will be the taxonomy name, so for * example, if 'category', it would be 'get_category' as the filter name. Useful * for custom taxonomies or plugging into default taxonomies. * * @todo Better formatting for DocBlock * * @since 2.3.0 * @since 4.4.0 Converted to return a WP_Term object if `$output` is `OBJECT`. * The `$taxonomy` parameter was made optional. * * @see sanitize_term_field() The $context param lists the available values for get_term_by() $filter param. * * @param int|WP_Term|object $term If integer, term data will be fetched from the database, * or from the cache if available. * If stdClass object (as in the results of a database query), * will apply filters and return a `WP_Term` object with the `$term` data. * If `WP_Term`, will return `$term`. * @param string $taxonomy Optional. Taxonomy name that `$term` is part of. * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which * correspond to a WP_Term object, an associative array, or a numeric array, * respectively. Default OBJECT. * @param string $filter Optional. How to sanitize term fields. Default 'raw'. * @return WP_Term|array|WP_Error|null WP_Term instance (or array) on success, depending on the `$output` value. * WP_Error if `$taxonomy` does not exist. Null for miscellaneous failure. */ function get_term( $term, $taxonomy = '', $output = OBJECT, $filter = 'raw' ) { if ( empty( $term ) ) { return new WP_Error( 'invalid_term', __( 'Empty Term.' ) ); } if ( $taxonomy && ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } if ( $term instanceof WP_Term ) { $_term = $term; } elseif ( is_object( $term ) ) { if ( empty( $term->filter ) || 'raw' === $term->filter ) { $_term = sanitize_term( $term, $taxonomy, 'raw' ); $_term = new WP_Term( $_term ); } else { $_term = WP_Term::get_instance( $term->term_id ); } } else { $_term = WP_Term::get_instance( $term, $taxonomy ); } if ( is_wp_error( $_term ) ) { return $_term; } elseif ( ! $_term ) { return null; } // Ensure for filters that this is not empty. $taxonomy = $_term->taxonomy; $old_term = $_term; /** * Filters a taxonomy term object. * * The {@see 'get_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 2.3.0 * @since 4.4.0 `$_term` is now a `WP_Term` object. * * @param WP_Term $_term Term object. * @param string $taxonomy The taxonomy slug. */ $_term = apply_filters( 'get_term', $_term, $taxonomy ); /** * Filters a taxonomy term object. * * The dynamic portion of the hook name, `$taxonomy`, refers * to the slug of the term's taxonomy. * * Possible hook names include: * * - `get_category` * - `get_post_tag` * * @since 2.3.0 * @since 4.4.0 `$_term` is now a `WP_Term` object. * * @param WP_Term $_term Term object. * @param string $taxonomy The taxonomy slug. */ $_term = apply_filters( "get_{$taxonomy}", $_term, $taxonomy ); // Bail if a filter callback has changed the type of the `$_term` object. if ( ! ( $_term instanceof WP_Term ) ) { return $_term; } // Sanitize term, according to the specified filter. if ( $_term !== $old_term || $_term->filter !== $filter ) { $_term->filter( $filter ); } if ( ARRAY_A === $output ) { return $_term->to_array(); } elseif ( ARRAY_N === $output ) { return array_values( $_term->to_array() ); } return $_term; } /** * Gets all term data from database by term field and data. * * Warning: $value is not escaped for 'name' $field. You must do it yourself, if * required. * * The default $field is 'id', therefore it is possible to also use null for * field, but not recommended that you do so. * * If $value does not exist, the return value will be false. If $taxonomy exists * and $field and $value combinations exist, the term will be returned. * * This function will always return the first term that matches the `$field`- * `$value`-`$taxonomy` combination specified in the parameters. If your query * is likely to match more than one term (as is likely to be the case when * `$field` is 'name', for example), consider using get_terms() instead; that * way, you will get all matching terms, and can provide your own logic for * deciding which one was intended. * * @todo Better formatting for DocBlock. * * @since 2.3.0 * @since 4.4.0 `$taxonomy` is optional if `$field` is 'term_taxonomy_id'. Converted to return * a WP_Term object if `$output` is `OBJECT`. * @since 5.5.0 Added 'ID' as an alias of 'id' for the `$field` parameter. * * @see sanitize_term_field() The $context param lists the available values for get_term_by() $filter param. * * @param string $field Either 'slug', 'name', 'term_id' (or 'id', 'ID'), or 'term_taxonomy_id'. * @param string|int $value Search for this term value. * @param string $taxonomy Taxonomy name. Optional, if `$field` is 'term_taxonomy_id'. * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which * correspond to a WP_Term object, an associative array, or a numeric array, * respectively. Default OBJECT. * @param string $filter Optional. How to sanitize term fields. Default 'raw'. * @return WP_Term|array|false WP_Term instance (or array) on success, depending on the `$output` value. * False if `$taxonomy` does not exist or `$term` was not found. */ function get_term_by( $field, $value, $taxonomy = '', $output = OBJECT, $filter = 'raw' ) { // 'term_taxonomy_id' lookups don't require taxonomy checks. if ( 'term_taxonomy_id' !== $field && ! taxonomy_exists( $taxonomy ) ) { return false; } // No need to perform a query for empty 'slug' or 'name'. if ( 'slug' === $field || 'name' === $field ) { $value = (string) $value; if ( 0 === strlen( $value ) ) { return false; } } if ( 'id' === $field || 'ID' === $field || 'term_id' === $field ) { $term = get_term( (int) $value, $taxonomy, $output, $filter ); if ( is_wp_error( $term ) || null === $term ) { $term = false; } return $term; } $args = array( 'get' => 'all', 'number' => 1, 'taxonomy' => $taxonomy, 'update_term_meta_cache' => false, 'orderby' => 'none', 'suppress_filter' => true, ); switch ( $field ) { case 'slug': $args['slug'] = $value; break; case 'name': $args['name'] = $value; break; case 'term_taxonomy_id': $args['term_taxonomy_id'] = $value; unset( $args['taxonomy'] ); break; default: return false; } $terms = get_terms( $args ); if ( is_wp_error( $terms ) || empty( $terms ) ) { return false; } $term = array_shift( $terms ); // In the case of 'term_taxonomy_id', override the provided `$taxonomy` with whatever we find in the DB. if ( 'term_taxonomy_id' === $field ) { $taxonomy = $term->taxonomy; } return get_term( $term, $taxonomy, $output, $filter ); } /** * Merges all term children into a single array of their IDs. * * This recursive function will merge all of the children of $term into the same * array of term IDs. Only useful for taxonomies which are hierarchical. * * Will return an empty array if $term does not exist in $taxonomy. * * @since 2.3.0 * * @param int $term_id ID of term to get children. * @param string $taxonomy Taxonomy name. * @return array|WP_Error List of term IDs. WP_Error returned if `$taxonomy` does not exist. */ function get_term_children( $term_id, $taxonomy ) { if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } $term_id = (int) $term_id; $terms = _get_term_hierarchy( $taxonomy ); if ( ! isset( $terms[ $term_id ] ) ) { return array(); } $children = $terms[ $term_id ]; foreach ( (array) $terms[ $term_id ] as $child ) { if ( $term_id === $child ) { continue; } if ( isset( $terms[ $child ] ) ) { $children = array_merge( $children, get_term_children( $child, $taxonomy ) ); } } return $children; } /** * Gets sanitized term field. * * The function is for contextual reasons and for simplicity of usage. * * @since 2.3.0 * @since 4.4.0 The `$taxonomy` parameter was made optional. `$term` can also now accept a WP_Term object. * * @see sanitize_term_field() * * @param string $field Term field to fetch. * @param int|WP_Term $term Term ID or object. * @param string $taxonomy Optional. Taxonomy name. Default empty. * @param string $context Optional. How to sanitize term fields. Look at sanitize_term_field() for available options. * Default 'display'. * @return string|int|null|WP_Error Will return an empty string if $term is not an object or if $field is not set in $term. */ function get_term_field( $field, $term, $taxonomy = '', $context = 'display' ) { $term = get_term( $term, $taxonomy ); if ( is_wp_error( $term ) ) { return $term; } if ( ! is_object( $term ) ) { return ''; } if ( ! isset( $term->$field ) ) { return ''; } return sanitize_term_field( $field, $term->$field, $term->term_id, $term->taxonomy, $context ); } /** * Sanitizes term for editing. * * Return value is sanitize_term() and usage is for sanitizing the term for * editing. Function is for contextual and simplicity. * * @since 2.3.0 * * @param int|object $id Term ID or object. * @param string $taxonomy Taxonomy name. * @return string|int|null|WP_Error Will return empty string if $term is not an object. */ function get_term_to_edit( $id, $taxonomy ) { $term = get_term( $id, $taxonomy ); if ( is_wp_error( $term ) ) { return $term; } if ( ! is_object( $term ) ) { return ''; } return sanitize_term( $term, $taxonomy, 'edit' ); } /** * Retrieves the terms in a given taxonomy or list of taxonomies. * * You can fully inject any customizations to the query before it is sent, as * well as control the output with a filter. * * The return type varies depending on the value passed to `$args['fields']`. See * WP_Term_Query::get_terms() for details. In all cases, a `WP_Error` object will * be returned if an invalid taxonomy is requested. * * The {@see 'get_terms'} filter will be called when the cache has the term and will * pass the found term along with the array of $taxonomies and array of $args. * This filter is also called before the array of terms is passed and will pass * the array of terms, along with the $taxonomies and $args. * * The {@see 'list_terms_exclusions'} filter passes the compiled exclusions along with * the $args. * * The {@see 'get_terms_orderby'} filter passes the `ORDER BY` clause for the query * along with the $args array. * * Taxonomy or an array of taxonomies should be passed via the 'taxonomy' argument * in the `$args` array: * * $terms = get_terms( array( * 'taxonomy' => 'post_tag', * 'hide_empty' => false, * ) ); * * Prior to 4.5.0, taxonomy was passed as the first parameter of `get_terms()`. * * @since 2.3.0 * @since 4.2.0 Introduced 'name' and 'childless' parameters. * @since 4.4.0 Introduced the ability to pass 'term_id' as an alias of 'id' for the `orderby` parameter. * Introduced the 'meta_query' and 'update_term_meta_cache' parameters. Converted to return * a list of WP_Term objects. * @since 4.5.0 Changed the function signature so that the `$args` array can be provided as the first parameter. * Introduced 'meta_key' and 'meta_value' parameters. Introduced the ability to order results by metadata. * @since 4.8.0 Introduced 'suppress_filter' parameter. * * @internal The `$deprecated` parameter is parsed for backward compatibility only. * * @param array|string $args Optional. Array or string of arguments. See WP_Term_Query::__construct() * for information on accepted arguments. Default empty array. * @param array|string $deprecated Optional. Argument array, when using the legacy function parameter format. * If present, this parameter will be interpreted as `$args`, and the first * function parameter will be parsed as a taxonomy or array of taxonomies. * Default empty. * @return WP_Term[]|int[]|string[]|string|WP_Error Array of terms, a count thereof as a numeric string, * or WP_Error if any of the taxonomies do not exist. * See the function description for more information. */ function get_terms( $args = array(), $deprecated = '' ) { $term_query = new WP_Term_Query(); $defaults = array( 'suppress_filter' => false, ); /* * Legacy argument format ($taxonomy, $args) takes precedence. * * We detect legacy argument format by checking if * (a) a second non-empty parameter is passed, or * (b) the first parameter shares no keys with the default array (ie, it's a list of taxonomies) */ $_args = wp_parse_args( $args ); $key_intersect = array_intersect_key( $term_query->query_var_defaults, (array) $_args ); $do_legacy_args = $deprecated || empty( $key_intersect ); if ( $do_legacy_args ) { $taxonomies = (array) $args; $args = wp_parse_args( $deprecated, $defaults ); $args['taxonomy'] = $taxonomies; } else { $args = wp_parse_args( $args, $defaults ); if ( isset( $args['taxonomy'] ) && null !== $args['taxonomy'] ) { $args['taxonomy'] = (array) $args['taxonomy']; } } if ( ! empty( $args['taxonomy'] ) ) { foreach ( $args['taxonomy'] as $taxonomy ) { if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } } } // Don't pass suppress_filter to WP_Term_Query. $suppress_filter = $args['suppress_filter']; unset( $args['suppress_filter'] ); $terms = $term_query->query( $args ); // Count queries are not filtered, for legacy reasons. if ( ! is_array( $terms ) ) { return $terms; } if ( $suppress_filter ) { return $terms; } /** * Filters the found terms. * * @since 2.3.0 * @since 4.6.0 Added the `$term_query` parameter. * * @param array $terms Array of found terms. * @param array|null $taxonomies An array of taxonomies if known. * @param array $args An array of get_terms() arguments. * @param WP_Term_Query $term_query The WP_Term_Query object. */ return apply_filters( 'get_terms', $terms, $term_query->query_vars['taxonomy'], $term_query->query_vars, $term_query ); } /** * Adds metadata to a term. * * @since 4.4.0 * * @param int $term_id Term ID. * @param string $meta_key Metadata name. * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. * @param bool $unique Optional. Whether the same key should not be added. * Default false. * @return int|false|WP_Error Meta ID on success, false on failure. * WP_Error when term_id is ambiguous between taxonomies. */ function add_term_meta( $term_id, $meta_key, $meta_value, $unique = false ) { if ( wp_term_is_shared( $term_id ) ) { return new WP_Error( 'ambiguous_term_id', __( 'Term meta cannot be added to terms that are shared between taxonomies.' ), $term_id ); } return add_metadata( 'term', $term_id, $meta_key, $meta_value, $unique ); } /** * Removes metadata matching criteria from a term. * * @since 4.4.0 * * @param int $term_id Term ID. * @param string $meta_key Metadata name. * @param mixed $meta_value Optional. Metadata value. If provided, * rows will only be removed that match the value. * Must be serializable if non-scalar. Default empty. * @return bool True on success, false on failure. */ function delete_term_meta( $term_id, $meta_key, $meta_value = '' ) { return delete_metadata( 'term', $term_id, $meta_key, $meta_value ); } /** * Retrieves metadata for a term. * * @since 4.4.0 * * @param int $term_id Term ID. * @param string $key Optional. The meta key to retrieve. By default, * returns data for all keys. Default empty. * @param bool $single Optional. Whether to return a single value. * This parameter has no effect if `$key` is not specified. * Default false. * @return mixed An array of values if `$single` is false. * The value of the meta field if `$single` is true. * False for an invalid `$term_id` (non-numeric, zero, or negative value). * An empty string if a valid but non-existing term ID is passed. */ function get_term_meta( $term_id, $key = '', $single = false ) { return get_metadata( 'term', $term_id, $key, $single ); } /** * Updates term metadata. * * Use the `$prev_value` parameter to differentiate between meta fields with the same key and term ID. * * If the meta field for the term does not exist, it will be added. * * @since 4.4.0 * * @param int $term_id Term ID. * @param string $meta_key Metadata key. * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. * @param mixed $prev_value Optional. Previous value to check before updating. * If specified, only update existing metadata entries with * this value. Otherwise, update all entries. Default empty. * @return int|bool|WP_Error Meta ID if the key didn't exist. true on successful update, * false on failure or if the value passed to the function * is the same as the one that is already in the database. * WP_Error when term_id is ambiguous between taxonomies. */ function update_term_meta( $term_id, $meta_key, $meta_value, $prev_value = '' ) { if ( wp_term_is_shared( $term_id ) ) { return new WP_Error( 'ambiguous_term_id', __( 'Term meta cannot be added to terms that are shared between taxonomies.' ), $term_id ); } return update_metadata( 'term', $term_id, $meta_key, $meta_value, $prev_value ); } /** * Updates metadata cache for list of term IDs. * * Performs SQL query to retrieve all metadata for the terms matching `$term_ids` and stores them in the cache. * Subsequent calls to `get_term_meta()` will not need to query the database. * * @since 4.4.0 * * @param array $term_ids List of term IDs. * @return array|false An array of metadata on success, false if there is nothing to update. */ function update_termmeta_cache( $term_ids ) { return update_meta_cache( 'term', $term_ids ); } /** * Queue term meta for lazy-loading. * * @since 6.3.0 * * @param array $term_ids List of term IDs. */ function wp_lazyload_term_meta( array $term_ids ) { if ( empty( $term_ids ) ) { return; } $lazyloader = wp_metadata_lazyloader(); $lazyloader->queue_objects( 'term', $term_ids ); } /** * Gets all meta data, including meta IDs, for the given term ID. * * @since 4.9.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $term_id Term ID. * @return array|false Array with meta data, or false when the meta table is not installed. */ function has_term_meta( $term_id ) { $check = wp_check_term_meta_support_prefilter( null ); if ( null !== $check ) { return $check; } global $wpdb; return $wpdb->get_results( $wpdb->prepare( "SELECT meta_key, meta_value, meta_id, term_id FROM $wpdb->termmeta WHERE term_id = %d ORDER BY meta_key,meta_id", $term_id ), ARRAY_A ); } /** * Registers a meta key for terms. * * @since 4.9.8 * * @param string $taxonomy Taxonomy to register a meta key for. Pass an empty string * to register the meta key across all existing taxonomies. * @param string $meta_key The meta key to register. * @param array $args Data used to describe the meta key when registered. See * {@see register_meta()} for a list of supported arguments. * @return bool True if the meta key was successfully registered, false if not. */ function register_term_meta( $taxonomy, $meta_key, array $args ) { $args['object_subtype'] = $taxonomy; return register_meta( 'term', $meta_key, $args ); } /** * Unregisters a meta key for terms. * * @since 4.9.8 * * @param string $taxonomy Taxonomy the meta key is currently registered for. Pass * an empty string if the meta key is registered across all * existing taxonomies. * @param string $meta_key The meta key to unregister. * @return bool True on success, false if the meta key was not previously registered. */ function unregister_term_meta( $taxonomy, $meta_key ) { return unregister_meta_key( 'term', $meta_key, $taxonomy ); } /** * Determines whether a taxonomy term exists. * * Formerly is_term(), introduced in 2.3.0. * * 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 3.0.0 * @since 6.0.0 Converted to use `get_terms()`. * * @global bool $_wp_suspend_cache_invalidation * * @param int|string $term The term to check. Accepts term ID, slug, or name. * @param string $taxonomy Optional. The taxonomy name to use. * @param int $parent_term Optional. ID of parent term under which to confine the exists search. * @return mixed Returns null if the term does not exist. * Returns the term ID if no taxonomy is specified and the term ID exists. * Returns an array of the term ID and the term taxonomy ID if the taxonomy is specified and the pairing exists. * Returns 0 if term ID 0 is passed to the function. */ function term_exists( $term, $taxonomy = '', $parent_term = null ) { global $_wp_suspend_cache_invalidation; if ( null === $term ) { return null; } $defaults = array( 'get' => 'all', 'fields' => 'ids', 'number' => 1, 'update_term_meta_cache' => false, 'order' => 'ASC', 'orderby' => 'term_id', 'suppress_filter' => true, ); // Ensure that while importing, queries are not cached. if ( ! empty( $_wp_suspend_cache_invalidation ) ) { $defaults['cache_results'] = false; } if ( ! empty( $taxonomy ) ) { $defaults['taxonomy'] = $taxonomy; $defaults['fields'] = 'all'; } /** * Filters default query arguments for checking if a term exists. * * @since 6.0.0 * * @param array $defaults An array of arguments passed to get_terms(). * @param int|string $term The term to check. Accepts term ID, slug, or name. * @param string $taxonomy The taxonomy name to use. An empty string indicates * the search is against all taxonomies. * @param int|null $parent_term ID of parent term under which to confine the exists search. * Null indicates the search is unconfined. */ $defaults = apply_filters( 'term_exists_default_query_args', $defaults, $term, $taxonomy, $parent_term ); if ( is_int( $term ) ) { if ( 0 === $term ) { return 0; } $args = wp_parse_args( array( 'include' => array( $term ) ), $defaults ); $terms = get_terms( $args ); } else { $term = trim( wp_unslash( $term ) ); if ( '' === $term ) { return null; } if ( ! empty( $taxonomy ) && is_numeric( $parent_term ) ) { $defaults['parent'] = (int) $parent_term; } $args = wp_parse_args( array( 'slug' => sanitize_title( $term ) ), $defaults ); $terms = get_terms( $args ); if ( empty( $terms ) || is_wp_error( $terms ) ) { $args = wp_parse_args( array( 'name' => $term ), $defaults ); $terms = get_terms( $args ); } } if ( empty( $terms ) || is_wp_error( $terms ) ) { return null; } $_term = array_shift( $terms ); if ( ! empty( $taxonomy ) ) { return array( 'term_id' => (string) $_term->term_id, 'term_taxonomy_id' => (string) $_term->term_taxonomy_id, ); } return (string) $_term; } /** * Checks if a term is an ancestor of another term. * * You can use either an ID or the term object for both parameters. * * @since 3.4.0 * * @param int|object $term1 ID or object to check if this is the parent term. * @param int|object $term2 The child term. * @param string $taxonomy Taxonomy name that $term1 and `$term2` belong to. * @return bool Whether `$term2` is a child of `$term1`. */ function term_is_ancestor_of( $term1, $term2, $taxonomy ) { if ( ! isset( $term1->term_id ) ) { $term1 = get_term( $term1, $taxonomy ); } if ( ! isset( $term2->parent ) ) { $term2 = get_term( $term2, $taxonomy ); } if ( empty( $term1->term_id ) || empty( $term2->parent ) ) { return false; } if ( $term2->parent === $term1->term_id ) { return true; } return term_is_ancestor_of( $term1, get_term( $term2->parent, $taxonomy ), $taxonomy ); } /** * Sanitizes all term fields. * * Relies on sanitize_term_field() to sanitize the term. The difference is that * this function will sanitize **all** fields. The context is based * on sanitize_term_field(). * * The `$term` is expected to be either an array or an object. * * @since 2.3.0 * * @param array|object $term The term to check. * @param string $taxonomy The taxonomy name to use. * @param string $context Optional. Context in which to sanitize the term. * Accepts 'raw', 'edit', 'db', 'display', 'rss', * 'attribute', or 'js'. Default 'display'. * @return array|object Term with all fields sanitized. */ function sanitize_term( $term, $taxonomy, $context = 'display' ) { $fields = array( 'term_id', 'name', 'description', 'slug', 'count', 'parent', 'term_group', 'term_taxonomy_id', 'object_id' ); $do_object = is_object( $term ); $term_id = $do_object ? $term->term_id : ( isset( $term['term_id'] ) ? $term['term_id'] : 0 ); foreach ( (array) $fields as $field ) { if ( $do_object ) { if ( isset( $term->$field ) ) { $term->$field = sanitize_term_field( $field, $term->$field, $term_id, $taxonomy, $context ); } } else { if ( isset( $term[ $field ] ) ) { $term[ $field ] = sanitize_term_field( $field, $term[ $field ], $term_id, $taxonomy, $context ); } } } if ( $do_object ) { $term->filter = $context; } else { $term['filter'] = $context; } return $term; } /** * Sanitizes the field value in the term based on the context. * * Passing a term field value through the function should be assumed to have * cleansed the value for whatever context the term field is going to be used. * * If no context or an unsupported context is given, then default filters will * be applied. * * There are enough filters for each context to support a custom filtering * without creating your own filter function. Simply create a function that * hooks into the filter you need. * * @since 2.3.0 * * @param string $field Term field to sanitize. * @param string $value Search for this term value. * @param int $term_id Term ID. * @param string $taxonomy Taxonomy name. * @param string $context Context in which to sanitize the term field. * Accepts 'raw', 'edit', 'db', 'display', 'rss', * 'attribute', or 'js'. Default 'display'. * @return mixed Sanitized field. */ function sanitize_term_field( $field, $value, $term_id, $taxonomy, $context ) { $int_fields = array( 'parent', 'term_id', 'count', 'term_group', 'term_taxonomy_id', 'object_id' ); if ( in_array( $field, $int_fields, true ) ) { $value = (int) $value; if ( $value < 0 ) { $value = 0; } } $context = strtolower( $context ); if ( 'raw' === $context ) { return $value; } if ( 'edit' === $context ) { /** * Filters a term field to edit before it is sanitized. * * The dynamic portion of the hook name, `$field`, refers to the term field. * * @since 2.3.0 * * @param mixed $value Value of the term field. * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. */ $value = apply_filters( "edit_term_{$field}", $value, $term_id, $taxonomy ); /** * Filters the taxonomy field to edit before it is sanitized. * * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer * to the taxonomy slug and taxonomy field, respectively. * * @since 2.3.0 * * @param mixed $value Value of the taxonomy field to edit. * @param int $term_id Term ID. */ $value = apply_filters( "edit_{$taxonomy}_{$field}", $value, $term_id ); if ( 'description' === $field ) { $value = esc_html( $value ); // textarea_escaped } else { $value = esc_attr( $value ); } } elseif ( 'db' === $context ) { /** * Filters a term field value before it is sanitized. * * The dynamic portion of the hook name, `$field`, refers to the term field. * * @since 2.3.0 * * @param mixed $value Value of the term field. * @param string $taxonomy Taxonomy slug. */ $value = apply_filters( "pre_term_{$field}", $value, $taxonomy ); /** * Filters a taxonomy field before it is sanitized. * * The dynamic portions of the filter name, `$taxonomy` and `$field`, refer * to the taxonomy slug and field name, respectively. * * @since 2.3.0 * * @param mixed $value Value of the taxonomy field. */ $value = apply_filters( "pre_{$taxonomy}_{$field}", $value ); // Back compat filters. if ( 'slug' === $field ) { /** * Filters the category nicename before it is sanitized. * * Use the {@see 'pre_$taxonomy_$field'} hook instead. * * @since 2.0.3 * * @param string $value The category nicename. */ $value = apply_filters( 'pre_category_nicename', $value ); } } elseif ( 'rss' === $context ) { /** * Filters the term field for use in RSS. * * The dynamic portion of the hook name, `$field`, refers to the term field. * * @since 2.3.0 * * @param mixed $value Value of the term field. * @param string $taxonomy Taxonomy slug. */ $value = apply_filters( "term_{$field}_rss", $value, $taxonomy ); /** * Filters the taxonomy field for use in RSS. * * The dynamic portions of the hook name, `$taxonomy`, and `$field`, refer * to the taxonomy slug and field name, respectively. * * @since 2.3.0 * * @param mixed $value Value of the taxonomy field. */ $value = apply_filters( "{$taxonomy}_{$field}_rss", $value ); } else { // Use display filters by default. /** * Filters the term field sanitized for display. * * The dynamic portion of the hook name, `$field`, refers to the term field name. * * @since 2.3.0 * * @param mixed $value Value of the term field. * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. * @param string $context Context to retrieve the term field value. */ $value = apply_filters( "term_{$field}", $value, $term_id, $taxonomy, $context ); /** * Filters the taxonomy field sanitized for display. * * The dynamic portions of the filter name, `$taxonomy`, and `$field`, refer * to the taxonomy slug and taxonomy field, respectively. * * @since 2.3.0 * * @param mixed $value Value of the taxonomy field. * @param int $term_id Term ID. * @param string $context Context to retrieve the taxonomy field value. */ $value = apply_filters( "{$taxonomy}_{$field}", $value, $term_id, $context ); } if ( 'attribute' === $context ) { $value = esc_attr( $value ); } elseif ( 'js' === $context ) { $value = esc_js( $value ); } // Restore the type for integer fields after esc_attr(). if ( in_array( $field, $int_fields, true ) ) { $value = (int) $value; } return $value; } /** * Counts how many terms are in taxonomy. * * Default $args is 'hide_empty' which can be 'hide_empty=true' or array('hide_empty' => true). * * @since 2.3.0 * @since 5.6.0 Changed the function signature so that the `$args` array can be provided as the first parameter. * * @internal The `$deprecated` parameter is parsed for backward compatibility only. * * @param array|string $args Optional. Array or string of arguments. See WP_Term_Query::__construct() * for information on accepted arguments. Default empty array. * @param array|string $deprecated Optional. Argument array, when using the legacy function parameter format. * If present, this parameter will be interpreted as `$args`, and the first * function parameter will be parsed as a taxonomy or array of taxonomies. * Default empty. * @return string|WP_Error Numeric string containing the number of terms in that * taxonomy or WP_Error if the taxonomy does not exist. */ function wp_count_terms( $args = array(), $deprecated = '' ) { $use_legacy_args = false; // Check whether function is used with legacy signature: `$taxonomy` and `$args`. if ( $args && ( is_string( $args ) && taxonomy_exists( $args ) || is_array( $args ) && wp_is_numeric_array( $args ) ) ) { $use_legacy_args = true; } $defaults = array( 'hide_empty' => false ); if ( $use_legacy_args ) { $defaults['taxonomy'] = $args; $args = $deprecated; } $args = wp_parse_args( $args, $defaults ); // Backward compatibility. if ( isset( $args['ignore_empty'] ) ) { $args['hide_empty'] = $args['ignore_empty']; unset( $args['ignore_empty'] ); } $args['fields'] = 'count'; return get_terms( $args ); } /** * Unlinks the object from the taxonomy or taxonomies. * * Will remove all relationships between the object and any terms in * a particular taxonomy or taxonomies. Does not remove the term or * taxonomy itself. * * @since 2.3.0 * * @param int $object_id The term object ID that refers to the term. * @param string|array $taxonomies List of taxonomy names or single taxonomy name. */ function wp_delete_object_term_relationships( $object_id, $taxonomies ) { $object_id = (int) $object_id; if ( ! is_array( $taxonomies ) ) { $taxonomies = array( $taxonomies ); } foreach ( (array) $taxonomies as $taxonomy ) { $term_ids = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'ids' ) ); $term_ids = array_map( 'intval', $term_ids ); wp_remove_object_terms( $object_id, $term_ids, $taxonomy ); } } /** * Removes a term from the database. * * If the term is a parent of other terms, then the children will be updated to * that term's parent. * * Metadata associated with the term will be deleted. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $term Term ID. * @param string $taxonomy Taxonomy name. * @param array|string $args { * Optional. Array of arguments to override the default term ID. Default empty array. * * @type int $default The term ID to make the default term. This will only override * the terms found if there is only one term found. Any other and * the found terms are used. * @type bool $force_default Optional. Whether to force the supplied term as default to be * assigned even if the object was not going to be term-less. * Default false. * } * @return bool|int|WP_Error True on success, false if term does not exist. Zero on attempted * deletion of default Category. WP_Error if the taxonomy does not exist. */ function wp_delete_term( $term, $taxonomy, $args = array() ) { global $wpdb; $term = (int) $term; $ids = term_exists( $term, $taxonomy ); if ( ! $ids ) { return false; } if ( is_wp_error( $ids ) ) { return $ids; } $tt_id = $ids['term_taxonomy_id']; $defaults = array(); if ( 'category' === $taxonomy ) { $defaults['default'] = (int) get_option( 'default_category' ); if ( $defaults['default'] === $term ) { return 0; // Don't delete the default category. } } // Don't delete the default custom taxonomy term. $taxonomy_object = get_taxonomy( $taxonomy ); if ( ! empty( $taxonomy_object->default_term ) ) { $defaults['default'] = (int) get_option( 'default_term_' . $taxonomy ); if ( $defaults['default'] === $term ) { return 0; } } $args = wp_parse_args( $args, $defaults ); if ( isset( $args['default'] ) ) { $default = (int) $args['default']; if ( ! term_exists( $default, $taxonomy ) ) { unset( $default ); } } if ( isset( $args['force_default'] ) ) { $force_default = $args['force_default']; } /** * Fires when deleting a term, before any modifications are made to posts or terms. * * @since 4.1.0 * * @param int $term Term ID. * @param string $taxonomy Taxonomy name. */ do_action( 'pre_delete_term', $term, $taxonomy ); // Update children to point to new parent. if ( is_taxonomy_hierarchical( $taxonomy ) ) { $term_obj = get_term( $term, $taxonomy ); if ( is_wp_error( $term_obj ) ) { return $term_obj; } $parent = $term_obj->parent; $edit_ids = $wpdb->get_results( "SELECT term_id, term_taxonomy_id FROM $wpdb->term_taxonomy WHERE `parent` = " . (int) $term_obj->term_id ); $edit_tt_ids = wp_list_pluck( $edit_ids, 'term_taxonomy_id' ); /** * Fires immediately before a term to delete's children are reassigned a parent. * * @since 2.9.0 * * @param array $edit_tt_ids An array of term taxonomy IDs for the given term. */ do_action( 'edit_term_taxonomies', $edit_tt_ids ); $wpdb->update( $wpdb->term_taxonomy, compact( 'parent' ), array( 'parent' => $term_obj->term_id ) + compact( 'taxonomy' ) ); // Clean the cache for all child terms. $edit_term_ids = wp_list_pluck( $edit_ids, 'term_id' ); clean_term_cache( $edit_term_ids, $taxonomy ); /** * Fires immediately after a term to delete's children are reassigned a parent. * * @since 2.9.0 * * @param array $edit_tt_ids An array of term taxonomy IDs for the given term. */ do_action( 'edited_term_taxonomies', $edit_tt_ids ); } // Get the term before deleting it or its term relationships so we can pass to actions below. $deleted_term = get_term( $term, $taxonomy ); $object_ids = (array) $wpdb->get_col( $wpdb->prepare( "SELECT object_id FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $tt_id ) ); foreach ( $object_ids as $object_id ) { if ( ! isset( $default ) ) { wp_remove_object_terms( $object_id, $term, $taxonomy ); continue; } $terms = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'ids', 'orderby' => 'none', ) ); if ( 1 === count( $terms ) && isset( $default ) ) { $terms = array( $default ); } else { $terms = array_diff( $terms, array( $term ) ); if ( isset( $default ) && isset( $force_default ) && $force_default ) { $terms = array_merge( $terms, array( $default ) ); } } $terms = array_map( 'intval', $terms ); wp_set_object_terms( $object_id, $terms, $taxonomy ); } // Clean the relationship caches for all object types using this term. $tax_object = get_taxonomy( $taxonomy ); foreach ( $tax_object->object_type as $object_type ) { clean_object_term_cache( $object_ids, $object_type ); } $term_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->termmeta WHERE term_id = %d ", $term ) ); foreach ( $term_meta_ids as $mid ) { delete_metadata_by_mid( 'term', $mid ); } /** * Fires immediately before a term taxonomy ID is deleted. * * @since 2.9.0 * * @param int $tt_id Term taxonomy ID. */ do_action( 'delete_term_taxonomy', $tt_id ); $wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) ); /** * Fires immediately after a term taxonomy ID is deleted. * * @since 2.9.0 * * @param int $tt_id Term taxonomy ID. */ do_action( 'deleted_term_taxonomy', $tt_id ); // Delete the term if no taxonomies use it. if ( ! $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term ) ) ) { $wpdb->delete( $wpdb->terms, array( 'term_id' => $term ) ); } clean_term_cache( $term, $taxonomy ); /** * Fires after a term is deleted from the database and the cache is cleaned. * * The {@see 'delete_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 2.5.0 * @since 4.5.0 Introduced the `$object_ids` argument. * * @param int $term Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. * @param WP_Term $deleted_term Copy of the already-deleted term. * @param array $object_ids List of term object IDs. */ do_action( 'delete_term', $term, $tt_id, $taxonomy, $deleted_term, $object_ids ); /** * Fires after a term in a specific taxonomy is deleted. * * The dynamic portion of the hook name, `$taxonomy`, refers to the specific * taxonomy the term belonged to. * * Possible hook names include: * * - `delete_category` * - `delete_post_tag` * * @since 2.3.0 * @since 4.5.0 Introduced the `$object_ids` argument. * * @param int $term Term ID. * @param int $tt_id Term taxonomy ID. * @param WP_Term $deleted_term Copy of the already-deleted term. * @param array $object_ids List of term object IDs. */ do_action( "delete_{$taxonomy}", $term, $tt_id, $deleted_term, $object_ids ); return true; } /** * Deletes one existing category. * * @since 2.0.0 * * @param int $cat_id Category term ID. * @return bool|int|WP_Error Returns true if completes delete action; false if term doesn't exist; * Zero on attempted deletion of default Category; WP_Error object is * also a possibility. */ function wp_delete_category( $cat_id ) { return wp_delete_term( $cat_id, 'category' ); } /** * Retrieves the terms associated with the given object(s), in the supplied taxonomies. * * @since 2.3.0 * @since 4.2.0 Added support for 'taxonomy', 'parent', and 'term_taxonomy_id' values of `$orderby`. * Introduced `$parent` argument. * @since 4.4.0 Introduced `$meta_query` and `$update_term_meta_cache` arguments. When `$fields` is 'all' or * 'all_with_object_id', an array of `WP_Term` objects will be returned. * @since 4.7.0 Refactored to use WP_Term_Query, and to support any WP_Term_Query arguments. * @since 6.3.0 Passing `update_term_meta_cache` argument value false by default resulting in get_terms() to not * prime the term meta cache. * * @param int|int[] $object_ids The ID(s) of the object(s) to retrieve. * @param string|string[] $taxonomies The taxonomy names to retrieve terms from. * @param array|string $args See WP_Term_Query::__construct() for supported arguments. * @return WP_Term[]|int[]|string[]|string|WP_Error Array of terms, a count thereof as a numeric string, * or WP_Error if any of the taxonomies do not exist. * See WP_Term_Query::get_terms() for more information. */ function wp_get_object_terms( $object_ids, $taxonomies, $args = array() ) { if ( empty( $object_ids ) || empty( $taxonomies ) ) { return array(); } if ( ! is_array( $taxonomies ) ) { $taxonomies = array( $taxonomies ); } foreach ( $taxonomies as $taxonomy ) { if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } } if ( ! is_array( $object_ids ) ) { $object_ids = array( $object_ids ); } $object_ids = array_map( 'intval', $object_ids ); $defaults = array( 'update_term_meta_cache' => false, ); $args = wp_parse_args( $args, $defaults ); /** * Filters arguments for retrieving object terms. * * @since 4.9.0 * * @param array $args An array of arguments for retrieving terms for the given object(s). * See {@see wp_get_object_terms()} for details. * @param int[] $object_ids Array of object IDs. * @param string[] $taxonomies Array of taxonomy names to retrieve terms from. */ $args = apply_filters( 'wp_get_object_terms_args', $args, $object_ids, $taxonomies ); /* * When one or more queried taxonomies is registered with an 'args' array, * those params override the `$args` passed to this function. */ $terms = array(); if ( count( $taxonomies ) > 1 ) { foreach ( $taxonomies as $index => $taxonomy ) { $t = get_taxonomy( $taxonomy ); if ( isset( $t->args ) && is_array( $t->args ) && array_merge( $args, $t->args ) != $args ) { unset( $taxonomies[ $index ] ); $terms = array_merge( $terms, wp_get_object_terms( $object_ids, $taxonomy, array_merge( $args, $t->args ) ) ); } } } else { $t = get_taxonomy( $taxonomies[0] ); if ( isset( $t->args ) && is_array( $t->args ) ) { $args = array_merge( $args, $t->args ); } } $args['taxonomy'] = $taxonomies; $args['object_ids'] = $object_ids; // Taxonomies registered without an 'args' param are handled here. if ( ! empty( $taxonomies ) ) { $terms_from_remaining_taxonomies = get_terms( $args ); // Array keys should be preserved for values of $fields that use term_id for keys. if ( ! empty( $args['fields'] ) && str_starts_with( $args['fields'], 'id=>' ) ) { $terms = $terms + $terms_from_remaining_taxonomies; } else { $terms = array_merge( $terms, $terms_from_remaining_taxonomies ); } } /** * Filters the terms for a given object or objects. * * @since 4.2.0 * * @param WP_Term[]|int[]|string[]|string $terms Array of terms or a count thereof as a numeric string. * @param int[] $object_ids Array of object IDs for which terms were retrieved. * @param string[] $taxonomies Array of taxonomy names from which terms were retrieved. * @param array $args Array of arguments for retrieving terms for the given * object(s). See wp_get_object_terms() for details. */ $terms = apply_filters( 'get_object_terms', $terms, $object_ids, $taxonomies, $args ); $object_ids = implode( ',', $object_ids ); $taxonomies = "'" . implode( "', '", array_map( 'esc_sql', $taxonomies ) ) . "'"; /** * Filters the terms for a given object or objects. * * The `$taxonomies` parameter passed to this filter is formatted as a SQL fragment. The * {@see 'get_object_terms'} filter is recommended as an alternative. * * @since 2.8.0 * * @param WP_Term[]|int[]|string[]|string $terms Array of terms or a count thereof as a numeric string. * @param string $object_ids Comma separated list of object IDs for which terms were retrieved. * @param string $taxonomies SQL fragment of taxonomy names from which terms were retrieved. * @param array $args Array of arguments for retrieving terms for the given * object(s). See wp_get_object_terms() for details. */ return apply_filters( 'wp_get_object_terms', $terms, $object_ids, $taxonomies, $args ); } /** * Adds a new term to the database. * * A non-existent term is inserted in the following sequence: * 1. The term is added to the term table, then related to the taxonomy. * 2. If everything is correct, several actions are fired. * 3. The 'term_id_filter' is evaluated. * 4. The term cache is cleaned. * 5. Several more actions are fired. * 6. An array is returned containing the `term_id` and `term_taxonomy_id`. * * If the 'slug' argument is not empty, then it is checked to see if the term * is invalid. If it is not a valid, existing term, it is added and the term_id * is given. * * If the taxonomy is hierarchical, and the 'parent' argument is not empty, * the term is inserted and the term_id will be given. * * Error handling: * If `$taxonomy` does not exist or `$term` is empty, * a WP_Error object will be returned. * * If the term already exists on the same hierarchical level, * or the term slug and name are not unique, a WP_Error object will be returned. * * @global wpdb $wpdb WordPress database abstraction object. * * @since 2.3.0 * * @param string $term The term name to add. * @param string $taxonomy The taxonomy to which to add the term. * @param array|string $args { * Optional. Array or query string of arguments for inserting a term. * * @type string $alias_of Slug of the term to make this term an alias of. * Default empty string. Accepts a term slug. * @type string $description The term description. Default empty string. * @type int $parent The id of the parent term. Default 0. * @type string $slug The term slug to use. Default empty string. * } * @return array|WP_Error { * An array of the new term data, WP_Error otherwise. * * @type int $term_id The new term ID. * @type int|string $term_taxonomy_id The new term taxonomy ID. Can be a numeric string. * } */ function wp_insert_term( $term, $taxonomy, $args = array() ) { global $wpdb; if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } /** * Filters a term before it is sanitized and inserted into the database. * * @since 3.0.0 * @since 6.1.0 The `$args` parameter was added. * * @param string|WP_Error $term The term name to add, or a WP_Error object if there's an error. * @param string $taxonomy Taxonomy slug. * @param array|string $args Array or query string of arguments passed to wp_insert_term(). */ $term = apply_filters( 'pre_insert_term', $term, $taxonomy, $args ); if ( is_wp_error( $term ) ) { return $term; } if ( is_int( $term ) && 0 === $term ) { return new WP_Error( 'invalid_term_id', __( 'Invalid term ID.' ) ); } if ( '' === trim( $term ) ) { return new WP_Error( 'empty_term_name', __( 'A name is required for this term.' ) ); } $defaults = array( 'alias_of' => '', 'description' => '', 'parent' => 0, 'slug' => '', ); $args = wp_parse_args( $args, $defaults ); if ( (int) $args['parent'] > 0 && ! term_exists( (int) $args['parent'] ) ) { return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) ); } $args['name'] = $term; $args['taxonomy'] = $taxonomy; // Coerce null description to strings, to avoid database errors. $args['description'] = (string) $args['description']; $args = sanitize_term( $args, $taxonomy, 'db' ); // expected_slashed ($name) $name = wp_unslash( $args['name'] ); $description = wp_unslash( $args['description'] ); $parent = (int) $args['parent']; // Sanitization could clean the name to an empty string that must be checked again. if ( '' === $name ) { return new WP_Error( 'invalid_term_name', __( 'Invalid term name.' ) ); } $slug_provided = ! empty( $args['slug'] ); if ( ! $slug_provided ) { $slug = sanitize_title( $name ); } else { $slug = $args['slug']; } $term_group = 0; if ( $args['alias_of'] ) { $alias = get_term_by( 'slug', $args['alias_of'], $taxonomy ); if ( ! empty( $alias->term_group ) ) { // The alias we want is already in a group, so let's use that one. $term_group = $alias->term_group; } elseif ( ! empty( $alias->term_id ) ) { /* * The alias is not in a group, so we create a new one * and add the alias to it. */ $term_group = $wpdb->get_var( "SELECT MAX(term_group) FROM $wpdb->terms" ) + 1; wp_update_term( $alias->term_id, $taxonomy, array( 'term_group' => $term_group, ) ); } } /* * Prevent the creation of terms with duplicate names at the same level of a taxonomy hierarchy, * unless a unique slug has been explicitly provided. */ $name_matches = get_terms( array( 'taxonomy' => $taxonomy, 'name' => $name, 'hide_empty' => false, 'parent' => $args['parent'], 'update_term_meta_cache' => false, ) ); /* * The `name` match in `get_terms()` doesn't differentiate accented characters, * so we do a stricter comparison here. */ $name_match = null; if ( $name_matches ) { foreach ( $name_matches as $_match ) { if ( strtolower( $name ) === strtolower( $_match->name ) ) { $name_match = $_match; break; } } } if ( $name_match ) { $slug_match = get_term_by( 'slug', $slug, $taxonomy ); if ( ! $slug_provided || $name_match->slug === $slug || $slug_match ) { if ( is_taxonomy_hierarchical( $taxonomy ) ) { $siblings = get_terms( array( 'taxonomy' => $taxonomy, 'get' => 'all', 'parent' => $parent, 'update_term_meta_cache' => false, ) ); $existing_term = null; $sibling_names = wp_list_pluck( $siblings, 'name' ); $sibling_slugs = wp_list_pluck( $siblings, 'slug' ); if ( ( ! $slug_provided || $name_match->slug === $slug ) && in_array( $name, $sibling_names, true ) ) { $existing_term = $name_match; } elseif ( $slug_match && in_array( $slug, $sibling_slugs, true ) ) { $existing_term = $slug_match; } if ( $existing_term ) { return new WP_Error( 'term_exists', __( 'A term with the name provided already exists with this parent.' ), $existing_term->term_id ); } } else { return new WP_Error( 'term_exists', __( 'A term with the name provided already exists in this taxonomy.' ), $name_match->term_id ); } } } $slug = wp_unique_term_slug( $slug, (object) $args ); $data = compact( 'name', 'slug', 'term_group' ); /** * Filters term data before it is inserted into the database. * * @since 4.7.0 * * @param array $data Term data to be inserted. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_insert_term(). */ $data = apply_filters( 'wp_insert_term_data', $data, $taxonomy, $args ); if ( false === $wpdb->insert( $wpdb->terms, $data ) ) { return new WP_Error( 'db_insert_error', __( 'Could not insert term into the database.' ), $wpdb->last_error ); } $term_id = (int) $wpdb->insert_id; // Seems unreachable. However, is used in the case that a term name is provided, which sanitizes to an empty string. if ( empty( $slug ) ) { $slug = sanitize_title( $slug, $term_id ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edit_terms', $term_id, $taxonomy ); $wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edited_terms', $term_id, $taxonomy ); } $tt_id = $wpdb->get_var( $wpdb->prepare( "SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.term_id = %d", $taxonomy, $term_id ) ); if ( ! empty( $tt_id ) ) { return array( 'term_id' => $term_id, 'term_taxonomy_id' => $tt_id, ); } if ( false === $wpdb->insert( $wpdb->term_taxonomy, compact( 'term_id', 'taxonomy', 'description', 'parent' ) + array( 'count' => 0 ) ) ) { return new WP_Error( 'db_insert_error', __( 'Could not insert term taxonomy into the database.' ), $wpdb->last_error ); } $tt_id = (int) $wpdb->insert_id; /* * Confidence check: if we just created a term with the same parent + taxonomy + slug but a higher term_id than * an existing term, then we have unwittingly created a duplicate term. Delete the dupe, and use the term_id * and term_taxonomy_id of the older term instead. Then return out of the function so that the "create" hooks * are not fired. */ $duplicate_term = $wpdb->get_row( $wpdb->prepare( "SELECT t.term_id, t.slug, tt.term_taxonomy_id, tt.taxonomy FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON ( tt.term_id = t.term_id ) WHERE t.slug = %s AND tt.parent = %d AND tt.taxonomy = %s AND t.term_id < %d AND tt.term_taxonomy_id != %d", $slug, $parent, $taxonomy, $term_id, $tt_id ) ); /** * Filters the duplicate term check that takes place during term creation. * * Term parent + taxonomy + slug combinations are meant to be unique, and wp_insert_term() * performs a last-minute confirmation of this uniqueness before allowing a new term * to be created. Plugins with different uniqueness requirements may use this filter * to bypass or modify the duplicate-term check. * * @since 5.1.0 * * @param object $duplicate_term Duplicate term row from terms table, if found. * @param string $term Term being inserted. * @param string $taxonomy Taxonomy name. * @param array $args Arguments passed to wp_insert_term(). * @param int $tt_id term_taxonomy_id for the newly created term. */ $duplicate_term = apply_filters( 'wp_insert_term_duplicate_term_check', $duplicate_term, $term, $taxonomy, $args, $tt_id ); if ( $duplicate_term ) { $wpdb->delete( $wpdb->terms, array( 'term_id' => $term_id ) ); $wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_id ) ); $term_id = (int) $duplicate_term->term_id; $tt_id = (int) $duplicate_term->term_taxonomy_id; clean_term_cache( $term_id, $taxonomy ); return array( 'term_id' => $term_id, 'term_taxonomy_id' => $tt_id, ); } /** * Fires immediately after a new term is created, before the term cache is cleaned. * * The {@see 'create_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 2.3.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_insert_term(). */ do_action( 'create_term', $term_id, $tt_id, $taxonomy, $args ); /** * Fires after a new term is created for a specific taxonomy. * * The dynamic portion of the hook name, `$taxonomy`, refers * to the slug of the taxonomy the term was created for. * * Possible hook names include: * * - `create_category` * - `create_post_tag` * * @since 2.3.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param array $args Arguments passed to wp_insert_term(). */ do_action( "create_{$taxonomy}", $term_id, $tt_id, $args ); /** * Filters the term ID after a new term is created. * * @since 2.3.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param array $args Arguments passed to wp_insert_term(). */ $term_id = apply_filters( 'term_id_filter', $term_id, $tt_id, $args ); clean_term_cache( $term_id, $taxonomy ); /** * Fires after a new term is created, and after the term cache has been cleaned. * * The {@see 'created_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 2.3.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_insert_term(). */ do_action( 'created_term', $term_id, $tt_id, $taxonomy, $args ); /** * Fires after a new term in a specific taxonomy is created, and after the term * cache has been cleaned. * * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. * * Possible hook names include: * * - `created_category` * - `created_post_tag` * * @since 2.3.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param array $args Arguments passed to wp_insert_term(). */ do_action( "created_{$taxonomy}", $term_id, $tt_id, $args ); /** * Fires after a term has been saved, and the term cache has been cleared. * * The {@see 'saved_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 5.5.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. * @param bool $update Whether this is an existing term being updated. * @param array $args Arguments passed to wp_insert_term(). */ do_action( 'saved_term', $term_id, $tt_id, $taxonomy, false, $args ); /** * Fires after a term in a specific taxonomy has been saved, and the term * cache has been cleared. * * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. * * Possible hook names include: * * - `saved_category` * - `saved_post_tag` * * @since 5.5.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param bool $update Whether this is an existing term being updated. * @param array $args Arguments passed to wp_insert_term(). */ do_action( "saved_{$taxonomy}", $term_id, $tt_id, false, $args ); return array( 'term_id' => $term_id, 'term_taxonomy_id' => $tt_id, ); } /** * Creates term and taxonomy relationships. * * Relates an object (post, link, etc.) to a term and taxonomy type. Creates the * term and taxonomy relationship if it doesn't already exist. Creates a term if * it doesn't exist (using the slug). * * A relationship means that the term is grouped in or belongs to the taxonomy. * A term has no meaning until it is given context by defining which taxonomy it * exists under. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $object_id The object to relate to. * @param string|int|array $terms A single term slug, single term ID, or array of either term slugs or IDs. * Will replace all existing related terms in this taxonomy. Passing an * empty array will remove all related terms. * @param string $taxonomy The context in which to relate the term to the object. * @param bool $append Optional. If false will delete difference of terms. Default false. * @return array|WP_Error Term taxonomy IDs of the affected terms or WP_Error on failure. */ function wp_set_object_terms( $object_id, $terms, $taxonomy, $append = false ) { global $wpdb; $object_id = (int) $object_id; if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } if ( empty( $terms ) ) { $terms = array(); } elseif ( ! is_array( $terms ) ) { $terms = array( $terms ); } if ( ! $append ) { $old_tt_ids = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'tt_ids', 'orderby' => 'none', 'update_term_meta_cache' => false, ) ); } else { $old_tt_ids = array(); } $tt_ids = array(); $term_ids = array(); $new_tt_ids = array(); foreach ( (array) $terms as $term ) { if ( '' === trim( $term ) ) { continue; } $term_info = term_exists( $term, $taxonomy ); if ( ! $term_info ) { // Skip if a non-existent term ID is passed. if ( is_int( $term ) ) { continue; } $term_info = wp_insert_term( $term, $taxonomy ); } if ( is_wp_error( $term_info ) ) { return $term_info; } $term_ids[] = $term_info['term_id']; $tt_id = $term_info['term_taxonomy_id']; $tt_ids[] = $tt_id; if ( $wpdb->get_var( $wpdb->prepare( "SELECT term_taxonomy_id FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id = %d", $object_id, $tt_id ) ) ) { continue; } /** * Fires immediately before an object-term relationship is added. * * @since 2.9.0 * @since 4.7.0 Added the `$taxonomy` parameter. * * @param int $object_id Object ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'add_term_relationship', $object_id, $tt_id, $taxonomy ); $wpdb->insert( $wpdb->term_relationships, array( 'object_id' => $object_id, 'term_taxonomy_id' => $tt_id, ) ); /** * Fires immediately after an object-term relationship is added. * * @since 2.9.0 * @since 4.7.0 Added the `$taxonomy` parameter. * * @param int $object_id Object ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. */ do_action( 'added_term_relationship', $object_id, $tt_id, $taxonomy ); $new_tt_ids[] = $tt_id; } if ( $new_tt_ids ) { wp_update_term_count( $new_tt_ids, $taxonomy ); } if ( ! $append ) { $delete_tt_ids = array_diff( $old_tt_ids, $tt_ids ); if ( $delete_tt_ids ) { $in_delete_tt_ids = "'" . implode( "', '", $delete_tt_ids ) . "'"; $delete_term_ids = $wpdb->get_col( $wpdb->prepare( "SELECT tt.term_id FROM $wpdb->term_taxonomy AS tt WHERE tt.taxonomy = %s AND tt.term_taxonomy_id IN ($in_delete_tt_ids)", $taxonomy ) ); $delete_term_ids = array_map( 'intval', $delete_term_ids ); $remove = wp_remove_object_terms( $object_id, $delete_term_ids, $taxonomy ); if ( is_wp_error( $remove ) ) { return $remove; } } } $t = get_taxonomy( $taxonomy ); if ( ! $append && isset( $t->sort ) && $t->sort ) { $values = array(); $term_order = 0; $final_tt_ids = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'tt_ids', 'update_term_meta_cache' => false, ) ); foreach ( $tt_ids as $tt_id ) { if ( in_array( (int) $tt_id, $final_tt_ids, true ) ) { $values[] = $wpdb->prepare( '(%d, %d, %d)', $object_id, $tt_id, ++$term_order ); } } if ( $values ) { if ( false === $wpdb->query( "INSERT INTO $wpdb->term_relationships (object_id, term_taxonomy_id, term_order) VALUES " . implode( ',', $values ) . ' ON DUPLICATE KEY UPDATE term_order = VALUES(term_order)' ) ) { return new WP_Error( 'db_insert_error', __( 'Could not insert term relationship into the database.' ), $wpdb->last_error ); } } } wp_cache_delete( $object_id, $taxonomy . '_relationships' ); wp_cache_set_terms_last_changed(); /** * Fires after an object's terms have been set. * * @since 2.8.0 * * @param int $object_id Object ID. * @param array $terms An array of object term IDs or slugs. * @param array $tt_ids An array of term taxonomy IDs. * @param string $taxonomy Taxonomy slug. * @param bool $append Whether to append new terms to the old terms. * @param array $old_tt_ids Old array of term taxonomy IDs. */ do_action( 'set_object_terms', $object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids ); return $tt_ids; } /** * Adds term(s) associated with a given object. * * @since 3.6.0 * * @param int $object_id The ID of the object to which the terms will be added. * @param string|int|array $terms The slug(s) or ID(s) of the term(s) to add. * @param array|string $taxonomy Taxonomy name. * @return array|WP_Error Term taxonomy IDs of the affected terms. */ function wp_add_object_terms( $object_id, $terms, $taxonomy ) { return wp_set_object_terms( $object_id, $terms, $taxonomy, true ); } /** * Removes term(s) associated with a given object. * * @since 3.6.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $object_id The ID of the object from which the terms will be removed. * @param string|int|array $terms The slug(s) or ID(s) of the term(s) to remove. * @param string $taxonomy Taxonomy name. * @return bool|WP_Error True on success, false or WP_Error on failure. */ function wp_remove_object_terms( $object_id, $terms, $taxonomy ) { global $wpdb; $object_id = (int) $object_id; if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } if ( ! is_array( $terms ) ) { $terms = array( $terms ); } $tt_ids = array(); foreach ( (array) $terms as $term ) { if ( '' === trim( $term ) ) { continue; } $term_info = term_exists( $term, $taxonomy ); if ( ! $term_info ) { // Skip if a non-existent term ID is passed. if ( is_int( $term ) ) { continue; } } if ( is_wp_error( $term_info ) ) { return $term_info; } $tt_ids[] = $term_info['term_taxonomy_id']; } if ( $tt_ids ) { $in_tt_ids = "'" . implode( "', '", $tt_ids ) . "'"; /** * Fires immediately before an object-term relationship is deleted. * * @since 2.9.0 * @since 4.7.0 Added the `$taxonomy` parameter. * * @param int $object_id Object ID. * @param array $tt_ids An array of term taxonomy IDs. * @param string $taxonomy Taxonomy slug. */ do_action( 'delete_term_relationships', $object_id, $tt_ids, $taxonomy ); $deleted = $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_tt_ids)", $object_id ) ); wp_cache_delete( $object_id, $taxonomy . '_relationships' ); wp_cache_set_terms_last_changed(); /** * Fires immediately after an object-term relationship is deleted. * * @since 2.9.0 * @since 4.7.0 Added the `$taxonomy` parameter. * * @param int $object_id Object ID. * @param array $tt_ids An array of term taxonomy IDs. * @param string $taxonomy Taxonomy slug. */ do_action( 'deleted_term_relationships', $object_id, $tt_ids, $taxonomy ); wp_update_term_count( $tt_ids, $taxonomy ); return (bool) $deleted; } return false; } /** * Makes term slug unique, if it isn't already. * * The `$slug` has to be unique global to every taxonomy, meaning that one * taxonomy term can't have a matching slug with another taxonomy term. Each * slug has to be globally unique for every taxonomy. * * The way this works is that if the taxonomy that the term belongs to is * hierarchical and has a parent, it will append that parent to the $slug. * * If that still doesn't return a unique slug, then it tries to append a number * until it finds a number that is truly unique. * * The only purpose for `$term` is for appending a parent, if one exists. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $slug The string that will be tried for a unique slug. * @param object $term The term object that the `$slug` will belong to. * @return string Will return a true unique slug. */ function wp_unique_term_slug( $slug, $term ) { global $wpdb; $needs_suffix = true; $original_slug = $slug; // As of 4.1, duplicate slugs are allowed as long as they're in different taxonomies. if ( ! term_exists( $slug ) || get_option( 'db_version' ) >= 30133 && ! get_term_by( 'slug', $slug, $term->taxonomy ) ) { $needs_suffix = false; } /* * If the taxonomy supports hierarchy and the term has a parent, make the slug unique * by incorporating parent slugs. */ $parent_suffix = ''; if ( $needs_suffix && is_taxonomy_hierarchical( $term->taxonomy ) && ! empty( $term->parent ) ) { $the_parent = $term->parent; while ( ! empty( $the_parent ) ) { $parent_term = get_term( $the_parent, $term->taxonomy ); if ( is_wp_error( $parent_term ) || empty( $parent_term ) ) { break; } $parent_suffix .= '-' . $parent_term->slug; if ( ! term_exists( $slug . $parent_suffix ) ) { break; } if ( empty( $parent_term->parent ) ) { break; } $the_parent = $parent_term->parent; } } // If we didn't get a unique slug, try appending a number to make it unique. /** * Filters whether the proposed unique term slug is bad. * * @since 4.3.0 * * @param bool $needs_suffix Whether the slug needs to be made unique with a suffix. * @param string $slug The slug. * @param object $term Term object. */ if ( apply_filters( 'wp_unique_term_slug_is_bad_slug', $needs_suffix, $slug, $term ) ) { if ( $parent_suffix ) { $slug .= $parent_suffix; } if ( ! empty( $term->term_id ) ) { $query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s AND term_id != %d", $slug, $term->term_id ); } else { $query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s", $slug ); } if ( $wpdb->get_var( $query ) ) { // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared $num = 2; do { $alt_slug = $slug . "-$num"; ++$num; $slug_check = $wpdb->get_var( $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s", $alt_slug ) ); } while ( $slug_check ); $slug = $alt_slug; } } /** * Filters the unique term slug. * * @since 4.3.0 * * @param string $slug Unique term slug. * @param object $term Term object. * @param string $original_slug Slug originally passed to the function for testing. */ return apply_filters( 'wp_unique_term_slug', $slug, $term, $original_slug ); } /** * Updates term based on arguments provided. * * The `$args` will indiscriminately override all values with the same field name. * Care must be taken to not override important information need to update or * update will fail (or perhaps create a new term, neither would be acceptable). * * Defaults will set 'alias_of', 'description', 'parent', and 'slug' if not * defined in `$args` already. * * 'alias_of' will create a term group, if it doesn't already exist, and * update it for the `$term`. * * If the 'slug' argument in `$args` is missing, then the 'name' will be used. * If you set 'slug' and it isn't unique, then a WP_Error is returned. * If you don't pass any slug, then a unique one will be created. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $term_id The ID of the term. * @param string $taxonomy The taxonomy of the term. * @param array $args { * Optional. Array of arguments for updating a term. * * @type string $alias_of Slug of the term to make this term an alias of. * Default empty string. Accepts a term slug. * @type string $description The term description. Default empty string. * @type int $parent The id of the parent term. Default 0. * @type string $slug The term slug to use. Default empty string. * } * @return array|WP_Error An array containing the `term_id` and `term_taxonomy_id`, * WP_Error otherwise. */ function wp_update_term( $term_id, $taxonomy, $args = array() ) { global $wpdb; if ( ! taxonomy_exists( $taxonomy ) ) { return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) ); } $term_id = (int) $term_id; // First, get all of the original args. $term = get_term( $term_id, $taxonomy ); if ( is_wp_error( $term ) ) { return $term; } if ( ! $term ) { return new WP_Error( 'invalid_term', __( 'Empty Term.' ) ); } $term = (array) $term->data; // Escape data pulled from DB. $term = wp_slash( $term ); // Merge old and new args with new args overwriting old ones. $args = array_merge( $term, $args ); $defaults = array( 'alias_of' => '', 'description' => '', 'parent' => 0, 'slug' => '', ); $args = wp_parse_args( $args, $defaults ); $args = sanitize_term( $args, $taxonomy, 'db' ); $parsed_args = $args; // expected_slashed ($name) $name = wp_unslash( $args['name'] ); $description = wp_unslash( $args['description'] ); $parsed_args['name'] = $name; $parsed_args['description'] = $description; if ( '' === trim( $name ) ) { return new WP_Error( 'empty_term_name', __( 'A name is required for this term.' ) ); } if ( (int) $parsed_args['parent'] > 0 && ! term_exists( (int) $parsed_args['parent'] ) ) { return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) ); } $empty_slug = false; if ( empty( $args['slug'] ) ) { $empty_slug = true; $slug = sanitize_title( $name ); } else { $slug = $args['slug']; } $parsed_args['slug'] = $slug; $term_group = isset( $parsed_args['term_group'] ) ? $parsed_args['term_group'] : 0; if ( $args['alias_of'] ) { $alias = get_term_by( 'slug', $args['alias_of'], $taxonomy ); if ( ! empty( $alias->term_group ) ) { // The alias we want is already in a group, so let's use that one. $term_group = $alias->term_group; } elseif ( ! empty( $alias->term_id ) ) { /* * The alias is not in a group, so we create a new one * and add the alias to it. */ $term_group = $wpdb->get_var( "SELECT MAX(term_group) FROM $wpdb->terms" ) + 1; wp_update_term( $alias->term_id, $taxonomy, array( 'term_group' => $term_group, ) ); } $parsed_args['term_group'] = $term_group; } /** * Filters the term parent. * * Hook to this filter to see if it will cause a hierarchy loop. * * @since 3.1.0 * * @param int $parent_term ID of the parent term. * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. * @param array $parsed_args An array of potentially altered update arguments for the given term. * @param array $args Arguments passed to wp_update_term(). */ $parent = (int) apply_filters( 'wp_update_term_parent', $args['parent'], $term_id, $taxonomy, $parsed_args, $args ); // Check for duplicate slug. $duplicate = get_term_by( 'slug', $slug, $taxonomy ); if ( $duplicate && $duplicate->term_id !== $term_id ) { /* * If an empty slug was passed or the parent changed, reset the slug to something unique. * Otherwise, bail. */ if ( $empty_slug || ( $parent !== (int) $term['parent'] ) ) { $slug = wp_unique_term_slug( $slug, (object) $args ); } else { /* translators: %s: Taxonomy term slug. */ return new WP_Error( 'duplicate_term_slug', sprintf( __( 'The slug “%s” is already in use by another term.' ), $slug ) ); } } $tt_id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = %s AND t.term_id = %d", $taxonomy, $term_id ) ); // Check whether this is a shared term that needs splitting. $_term_id = _split_shared_term( $term_id, $tt_id ); if ( ! is_wp_error( $_term_id ) ) { $term_id = $_term_id; } /** * Fires immediately before the given terms are edited. * * @since 2.9.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_update_term(). */ do_action( 'edit_terms', $term_id, $taxonomy, $args ); $data = compact( 'name', 'slug', 'term_group' ); /** * Filters term data before it is updated in the database. * * @since 4.7.0 * * @param array $data Term data to be updated. * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_update_term(). */ $data = apply_filters( 'wp_update_term_data', $data, $term_id, $taxonomy, $args ); $wpdb->update( $wpdb->terms, $data, compact( 'term_id' ) ); if ( empty( $slug ) ) { $slug = sanitize_title( $name, $term_id ); $wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) ); } /** * Fires immediately after a term is updated in the database, but before its * term-taxonomy relationship is updated. * * @since 2.9.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_update_term(). */ do_action( 'edited_terms', $term_id, $taxonomy, $args ); /** * Fires immediate before a term-taxonomy relationship is updated. * * @since 2.9.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_update_term(). */ do_action( 'edit_term_taxonomy', $tt_id, $taxonomy, $args ); $wpdb->update( $wpdb->term_taxonomy, compact( 'term_id', 'taxonomy', 'description', 'parent' ), array( 'term_taxonomy_id' => $tt_id ) ); /** * Fires immediately after a term-taxonomy relationship is updated. * * @since 2.9.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_update_term(). */ do_action( 'edited_term_taxonomy', $tt_id, $taxonomy, $args ); /** * Fires after a term has been updated, but before the term cache has been cleaned. * * The {@see 'edit_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 2.3.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_update_term(). */ do_action( 'edit_term', $term_id, $tt_id, $taxonomy, $args ); /** * Fires after a term in a specific taxonomy has been updated, but before the term * cache has been cleaned. * * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. * * Possible hook names include: * * - `edit_category` * - `edit_post_tag` * * @since 2.3.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param array $args Arguments passed to wp_update_term(). */ do_action( "edit_{$taxonomy}", $term_id, $tt_id, $args ); /** This filter is documented in wp-includes/taxonomy.php */ $term_id = apply_filters( 'term_id_filter', $term_id, $tt_id ); clean_term_cache( $term_id, $taxonomy ); /** * Fires after a term has been updated, and the term cache has been cleaned. * * The {@see 'edited_$taxonomy'} hook is also available for targeting a specific * taxonomy. * * @since 2.3.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param string $taxonomy Taxonomy slug. * @param array $args Arguments passed to wp_update_term(). */ do_action( 'edited_term', $term_id, $tt_id, $taxonomy, $args ); /** * Fires after a term for a specific taxonomy has been updated, and the term * cache has been cleaned. * * The dynamic portion of the hook name, `$taxonomy`, refers to the taxonomy slug. * * Possible hook names include: * * - `edited_category` * - `edited_post_tag` * * @since 2.3.0 * @since 6.1.0 The `$args` parameter was added. * * @param int $term_id Term ID. * @param int $tt_id Term taxonomy ID. * @param array $args Arguments passed to wp_update_term(). */ do_action( "edited_{$taxonomy}", $term_id, $tt_id, $args ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'saved_term', $term_id, $tt_id, $taxonomy, true, $args ); /** This action is documented in wp-includes/taxonomy.php */ do_action( "saved_{$taxonomy}", $term_id, $tt_id, true, $args ); return array( 'term_id' => $term_id, 'term_taxonomy_id' => $tt_id, ); } /** * Enables or disables term counting. * * @since 2.5.0 * * @param bool $defer Optional. Enable if true, disable if false. * @return bool Whether term counting is enabled or disabled. */ function wp_defer_term_counting( $defer = null ) { static $_defer = false; if ( is_bool( $defer ) ) { $_defer = $defer; // Flush any deferred counts. if ( ! $defer ) { wp_update_term_count( null, null, true ); } } return $_defer; } /** * Updates the amount of terms in taxonomy. * * If there is a taxonomy callback applied, then it will be called for updating * the count. * * The default action is to count what the amount of terms have the relationship * of term ID. Once that is done, then update the database. * * @since 2.3.0 * * @param int|array $terms The term_taxonomy_id of the terms. * @param string $taxonomy The context of the term. * @param bool $do_deferred Whether to flush the deferred term counts too. Default false. * @return bool If no terms will return false, and if successful will return true. */ function wp_update_term_count( $terms, $taxonomy, $do_deferred = false ) { static $_deferred = array(); if ( $do_deferred ) { foreach ( (array) array_keys( $_deferred ) as $tax ) { wp_update_term_count_now( $_deferred[ $tax ], $tax ); unset( $_deferred[ $tax ] ); } } if ( empty( $terms ) ) { return false; } if ( ! is_array( $terms ) ) { $terms = array( $terms ); } if ( wp_defer_term_counting() ) { if ( ! isset( $_deferred[ $taxonomy ] ) ) { $_deferred[ $taxonomy ] = array(); } $_deferred[ $taxonomy ] = array_unique( array_merge( $_deferred[ $taxonomy ], $terms ) ); return true; } return wp_update_term_count_now( $terms, $taxonomy ); } /** * Performs term count update immediately. * * @since 2.5.0 * * @param array $terms The term_taxonomy_id of terms to update. * @param string $taxonomy The context of the term. * @return true Always true when complete. */ function wp_update_term_count_now( $terms, $taxonomy ) { $terms = array_map( 'intval', $terms ); $taxonomy = get_taxonomy( $taxonomy ); if ( ! empty( $taxonomy->update_count_callback ) ) { call_user_func( $taxonomy->update_count_callback, $terms, $taxonomy ); } else { $object_types = (array) $taxonomy->object_type; foreach ( $object_types as &$object_type ) { if ( str_starts_with( $object_type, 'attachment:' ) ) { list( $object_type ) = explode( ':', $object_type ); } } if ( array_filter( $object_types, 'post_type_exists' ) == $object_types ) { // Only post types are attached to this taxonomy. _update_post_term_count( $terms, $taxonomy ); } else { // Default count updater. _update_generic_term_count( $terms, $taxonomy ); } } clean_term_cache( $terms, '', false ); return true; } // // Cache. // /** * Removes the taxonomy relationship to terms from the cache. * * Will remove the entire taxonomy relationship containing term `$object_id`. The * term IDs have to exist within the taxonomy `$object_type` for the deletion to * take place. * * @since 2.3.0 * * @global bool $_wp_suspend_cache_invalidation * * @see get_object_taxonomies() for more on $object_type. * * @param int|array $object_ids Single or list of term object ID(s). * @param array|string $object_type The taxonomy object type. */ function clean_object_term_cache( $object_ids, $object_type ) { global $_wp_suspend_cache_invalidation; if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; } if ( ! is_array( $object_ids ) ) { $object_ids = array( $object_ids ); } $taxonomies = get_object_taxonomies( $object_type ); foreach ( $taxonomies as $taxonomy ) { wp_cache_delete_multiple( $object_ids, "{$taxonomy}_relationships" ); } wp_cache_set_terms_last_changed(); /** * Fires after the object term cache has been cleaned. * * @since 2.5.0 * * @param array $object_ids An array of object IDs. * @param string $object_type Object type. */ do_action( 'clean_object_term_cache', $object_ids, $object_type ); } /** * Removes all of the term IDs from the cache. * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * @global bool $_wp_suspend_cache_invalidation * * @param int|int[] $ids Single or array of term IDs. * @param string $taxonomy Optional. Taxonomy slug. Can be empty, in which case the taxonomies of the passed * term IDs will be used. Default empty. * @param bool $clean_taxonomy Optional. Whether to clean taxonomy wide caches (true), or just individual * term object caches (false). Default true. */ function clean_term_cache( $ids, $taxonomy = '', $clean_taxonomy = true ) { global $wpdb, $_wp_suspend_cache_invalidation; if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; } if ( ! is_array( $ids ) ) { $ids = array( $ids ); } $taxonomies = array(); // If no taxonomy, assume tt_ids. if ( empty( $taxonomy ) ) { $tt_ids = array_map( 'intval', $ids ); $tt_ids = implode( ', ', $tt_ids ); $terms = $wpdb->get_results( "SELECT term_id, taxonomy FROM $wpdb->term_taxonomy WHERE term_taxonomy_id IN ($tt_ids)" ); $ids = array(); foreach ( (array) $terms as $term ) { $taxonomies[] = $term->taxonomy; $ids[] = $term->term_id; } wp_cache_delete_multiple( $ids, 'terms' ); $taxonomies = array_unique( $taxonomies ); } else { wp_cache_delete_multiple( $ids, 'terms' ); $taxonomies = array( $taxonomy ); } foreach ( $taxonomies as $taxonomy ) { if ( $clean_taxonomy ) { clean_taxonomy_cache( $taxonomy ); } /** * Fires once after each taxonomy's term cache has been cleaned. * * @since 2.5.0 * @since 4.5.0 Added the `$clean_taxonomy` parameter. * * @param array $ids An array of term IDs. * @param string $taxonomy Taxonomy slug. * @param bool $clean_taxonomy Whether or not to clean taxonomy-wide caches */ do_action( 'clean_term_cache', $ids, $taxonomy, $clean_taxonomy ); } wp_cache_set_terms_last_changed(); } /** * Cleans the caches for a taxonomy. * * @since 4.9.0 * * @param string $taxonomy Taxonomy slug. */ function clean_taxonomy_cache( $taxonomy ) { wp_cache_delete( 'all_ids', $taxonomy ); wp_cache_delete( 'get', $taxonomy ); wp_cache_set_terms_last_changed(); // Regenerate cached hierarchy. delete_option( "{$taxonomy}_children" ); _get_term_hierarchy( $taxonomy ); /** * Fires after a taxonomy's caches have been cleaned. * * @since 4.9.0 * * @param string $taxonomy Taxonomy slug. */ do_action( 'clean_taxonomy_cache', $taxonomy ); } /** * Retrieves the cached term objects for the given object ID. * * Upstream functions (like get_the_terms() and is_object_in_term()) are * responsible for populating the object-term relationship cache. The current * function only fetches relationship data that is already in the cache. * * @since 2.3.0 * @since 4.7.0 Returns a `WP_Error` object if there's an error with * any of the matched terms. * * @param int $id Term object ID, for example a post, comment, or user ID. * @param string $taxonomy Taxonomy name. * @return bool|WP_Term[]|WP_Error Array of `WP_Term` objects, if cached. * False if cache is empty for `$taxonomy` and `$id`. * WP_Error if get_term() returns an error object for any term. */ function get_object_term_cache( $id, $taxonomy ) { $_term_ids = wp_cache_get( $id, "{$taxonomy}_relationships" ); // We leave the priming of relationship caches to upstream functions. if ( false === $_term_ids ) { return false; } // Backward compatibility for if a plugin is putting objects into the cache, rather than IDs. $term_ids = array(); foreach ( $_term_ids as $term_id ) { if ( is_numeric( $term_id ) ) { $term_ids[] = (int) $term_id; } elseif ( isset( $term_id->term_id ) ) { $term_ids[] = (int) $term_id->term_id; } } // Fill the term objects. _prime_term_caches( $term_ids ); $terms = array(); foreach ( $term_ids as $term_id ) { $term = get_term( $term_id, $taxonomy ); if ( is_wp_error( $term ) ) { return $term; } $terms[] = $term; } return $terms; } /** * Updates the cache for the given term object ID(s). * * Note: Due to performance concerns, great care should be taken to only update * term caches when necessary. Processing time can increase exponentially depending * on both the number of passed term IDs and the number of taxonomies those terms * belong to. * * Caches will only be updated for terms not already cached. * * @since 2.3.0 * * @param string|int[] $object_ids Comma-separated list or array of term object IDs. * @param string|string[] $object_type The taxonomy object type or array of the same. * @return void|false Void on success or if the `$object_ids` parameter is empty, * false if all of the terms in `$object_ids` are already cached. */ function update_object_term_cache( $object_ids, $object_type ) { if ( empty( $object_ids ) ) { return; } if ( ! is_array( $object_ids ) ) { $object_ids = explode( ',', $object_ids ); } $object_ids = array_map( 'intval', $object_ids ); $non_cached_ids = array(); $taxonomies = get_object_taxonomies( $object_type ); foreach ( $taxonomies as $taxonomy ) { $cache_values = wp_cache_get_multiple( (array) $object_ids, "{$taxonomy}_relationships" ); foreach ( $cache_values as $id => $value ) { if ( false === $value ) { $non_cached_ids[] = $id; } } } if ( empty( $non_cached_ids ) ) { return false; } $non_cached_ids = array_unique( $non_cached_ids ); $terms = wp_get_object_terms( $non_cached_ids, $taxonomies, array( 'fields' => 'all_with_object_id', 'orderby' => 'name', 'update_term_meta_cache' => false, ) ); $object_terms = array(); foreach ( (array) $terms as $term ) { $object_terms[ $term->object_id ][ $term->taxonomy ][] = $term->term_id; } foreach ( $non_cached_ids as $id ) { foreach ( $taxonomies as $taxonomy ) { if ( ! isset( $object_terms[ $id ][ $taxonomy ] ) ) { if ( ! isset( $object_terms[ $id ] ) ) { $object_terms[ $id ] = array(); } $object_terms[ $id ][ $taxonomy ] = array(); } } } $cache_values = array(); foreach ( $object_terms as $id => $value ) { foreach ( $value as $taxonomy => $terms ) { $cache_values[ $taxonomy ][ $id ] = $terms; } } foreach ( $cache_values as $taxonomy => $data ) { wp_cache_add_multiple( $data, "{$taxonomy}_relationships" ); } } /** * Updates terms in cache. * * @since 2.3.0 * * @param WP_Term[] $terms Array of term objects to change. * @param string $taxonomy Not used. */ function update_term_cache( $terms, $taxonomy = '' ) { $data = array(); foreach ( (array) $terms as $term ) { // Create a copy in case the array was passed by reference. $_term = clone $term; // Object ID should not be cached. unset( $_term->object_id ); $data[ $term->term_id ] = $_term; } wp_cache_add_multiple( $data, 'terms' ); } // // Private. // /** * Retrieves children of taxonomy as term IDs. * * @access private * @since 2.3.0 * * @param string $taxonomy Taxonomy name. * @return array Empty if $taxonomy isn't hierarchical or returns children as term IDs. */ function _get_term_hierarchy( $taxonomy ) { if ( ! is_taxonomy_hierarchical( $taxonomy ) ) { return array(); } $children = get_option( "{$taxonomy}_children" ); if ( is_array( $children ) ) { return $children; } $children = array(); $terms = get_terms( array( 'taxonomy' => $taxonomy, 'get' => 'all', 'orderby' => 'id', 'fields' => 'id=>parent', 'update_term_meta_cache' => false, ) ); foreach ( $terms as $term_id => $parent ) { if ( $parent > 0 ) { $children[ $parent ][] = $term_id; } } update_option( "{$taxonomy}_children", $children ); return $children; } /** * Gets the subset of $terms that are descendants of $term_id. * * If `$terms` is an array of objects, then _get_term_children() returns an array of objects. * If `$terms` is an array of IDs, then _get_term_children() returns an array of IDs. * * @access private * @since 2.3.0 * * @param int $term_id The ancestor term: all returned terms should be descendants of `$term_id`. * @param array $terms The set of terms - either an array of term objects or term IDs - from which those that * are descendants of $term_id will be chosen. * @param string $taxonomy The taxonomy which determines the hierarchy of the terms. * @param array $ancestors Optional. Term ancestors that have already been identified. Passed by reference, to keep * track of found terms when recursing the hierarchy. The array of located ancestors is used * to prevent infinite recursion loops. For performance, `term_ids` are used as array keys, * with 1 as value. Default empty array. * @return array|WP_Error The subset of $terms that are descendants of $term_id. */ function _get_term_children( $term_id, $terms, $taxonomy, &$ancestors = array() ) { $empty_array = array(); if ( empty( $terms ) ) { return $empty_array; } $term_id = (int) $term_id; $term_list = array(); $has_children = _get_term_hierarchy( $taxonomy ); if ( $term_id && ! isset( $has_children[ $term_id ] ) ) { return $empty_array; } // Include the term itself in the ancestors array, so we can properly detect when a loop has occurred. if ( empty( $ancestors ) ) { $ancestors[ $term_id ] = 1; } foreach ( (array) $terms as $term ) { $use_id = false; if ( ! is_object( $term ) ) { $term = get_term( $term, $taxonomy ); if ( is_wp_error( $term ) ) { return $term; } $use_id = true; } // Don't recurse if we've already identified the term as a child - this indicates a loop. if ( isset( $ancestors[ $term->term_id ] ) ) { continue; } if ( (int) $term->parent === $term_id ) { if ( $use_id ) { $term_list[] = $term->term_id; } else { $term_list[] = $term; } if ( ! isset( $has_children[ $term->term_id ] ) ) { continue; } $ancestors[ $term->term_id ] = 1; $children = _get_term_children( $term->term_id, $terms, $taxonomy, $ancestors ); if ( $children ) { $term_list = array_merge( $term_list, $children ); } } } return $term_list; } /** * Adds count of children to parent count. * * Recalculates term counts by including items from child terms. Assumes all * relevant children are already in the $terms argument. * * @access private * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param object[]|WP_Term[] $terms List of term objects (passed by reference). * @param string $taxonomy Term context. */ function _pad_term_counts( &$terms, $taxonomy ) { global $wpdb; // This function only works for hierarchical taxonomies like post categories. if ( ! is_taxonomy_hierarchical( $taxonomy ) ) { return; } $term_hier = _get_term_hierarchy( $taxonomy ); if ( empty( $term_hier ) ) { return; } $term_items = array(); $terms_by_id = array(); $term_ids = array(); foreach ( (array) $terms as $key => $term ) { $terms_by_id[ $term->term_id ] = & $terms[ $key ]; $term_ids[ $term->term_taxonomy_id ] = $term->term_id; } // Get the object and term IDs and stick them in a lookup table. $tax_obj = get_taxonomy( $taxonomy ); $object_types = esc_sql( $tax_obj->object_type ); $results = $wpdb->get_results( "SELECT object_id, term_taxonomy_id FROM $wpdb->term_relationships INNER JOIN $wpdb->posts ON object_id = ID WHERE term_taxonomy_id IN (" . implode( ',', array_keys( $term_ids ) ) . ") AND post_type IN ('" . implode( "', '", $object_types ) . "') AND post_status = 'publish'" ); foreach ( $results as $row ) { $id = $term_ids[ $row->term_taxonomy_id ]; $term_items[ $id ][ $row->object_id ] = isset( $term_items[ $id ][ $row->object_id ] ) ? ++$term_items[ $id ][ $row->object_id ] : 1; } // Touch every ancestor's lookup row for each post in each term. foreach ( $term_ids as $term_id ) { $child = $term_id; $ancestors = array(); while ( ! empty( $terms_by_id[ $child ] ) && $parent = $terms_by_id[ $child ]->parent ) { $ancestors[] = $child; if ( ! empty( $term_items[ $term_id ] ) ) { foreach ( $term_items[ $term_id ] as $item_id => $touches ) { $term_items[ $parent ][ $item_id ] = isset( $term_items[ $parent ][ $item_id ] ) ? ++$term_items[ $parent ][ $item_id ] : 1; } } $child = $parent; if ( in_array( $parent, $ancestors, true ) ) { break; } } } // Transfer the touched cells. foreach ( (array) $term_items as $id => $items ) { if ( isset( $terms_by_id[ $id ] ) ) { $terms_by_id[ $id ]->count = count( $items ); } } } /** * Adds any terms from the given IDs to the cache that do not already exist in cache. * * @since 4.6.0 * @since 6.1.0 This function is no longer marked as "private". * @since 6.3.0 Use wp_lazyload_term_meta() for lazy-loading of term meta. * * @global wpdb $wpdb WordPress database abstraction object. * * @param array $term_ids Array of term IDs. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function _prime_term_caches( $term_ids, $update_meta_cache = true ) { global $wpdb; $non_cached_ids = _get_non_cached_ids( $term_ids, 'terms' ); if ( ! empty( $non_cached_ids ) ) { $fresh_terms = $wpdb->get_results( sprintf( "SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE t.term_id IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) ); update_term_cache( $fresh_terms ); } if ( $update_meta_cache ) { wp_lazyload_term_meta( $term_ids ); } } // // Default callbacks. // /** * Updates term count based on object types of the current taxonomy. * * Private function for the default callback for post_tag and category * taxonomies. * * @access private * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int[] $terms List of term taxonomy IDs. * @param WP_Taxonomy $taxonomy Current taxonomy object of terms. */ function _update_post_term_count( $terms, $taxonomy ) { global $wpdb; $object_types = (array) $taxonomy->object_type; foreach ( $object_types as &$object_type ) { list( $object_type ) = explode( ':', $object_type ); } $object_types = array_unique( $object_types ); $check_attachments = array_search( 'attachment', $object_types, true ); if ( false !== $check_attachments ) { unset( $object_types[ $check_attachments ] ); $check_attachments = true; } if ( $object_types ) { $object_types = esc_sql( array_filter( $object_types, 'post_type_exists' ) ); } $post_statuses = array( 'publish' ); /** * Filters the post statuses for updating the term count. * * @since 5.7.0 * * @param string[] $post_statuses List of post statuses to include in the count. Default is 'publish'. * @param WP_Taxonomy $taxonomy Current taxonomy object. */ $post_statuses = esc_sql( apply_filters( 'update_post_term_count_statuses', $post_statuses, $taxonomy ) ); foreach ( (array) $terms as $term ) { $count = 0; // Attachments can be 'inherit' status, we need to base count off the parent's status if so. if ( $check_attachments ) { // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.QuotedDynamicPlaceholderGeneration $count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts p1 WHERE p1.ID = $wpdb->term_relationships.object_id AND ( post_status IN ('" . implode( "', '", $post_statuses ) . "') OR ( post_status = 'inherit' AND post_parent > 0 AND ( SELECT post_status FROM $wpdb->posts WHERE ID = p1.post_parent ) IN ('" . implode( "', '", $post_statuses ) . "') ) ) AND post_type = 'attachment' AND term_taxonomy_id = %d", $term ) ); } if ( $object_types ) { // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.QuotedDynamicPlaceholderGeneration $count += (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status IN ('" . implode( "', '", $post_statuses ) . "') AND post_type IN ('" . implode( "', '", $object_types ) . "') AND term_taxonomy_id = %d", $term ) ); } /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edit_term_taxonomy', $term, $taxonomy->name ); $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edited_term_taxonomy', $term, $taxonomy->name ); } } /** * Updates term count based on number of objects. * * Default callback for the 'link_category' taxonomy. * * @since 3.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int[] $terms List of term taxonomy IDs. * @param WP_Taxonomy $taxonomy Current taxonomy object of terms. */ function _update_generic_term_count( $terms, $taxonomy ) { global $wpdb; foreach ( (array) $terms as $term ) { $count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $term ) ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edit_term_taxonomy', $term, $taxonomy->name ); $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) ); /** This action is documented in wp-includes/taxonomy.php */ do_action( 'edited_term_taxonomy', $term, $taxonomy->name ); } } /** * Creates a new term for a term_taxonomy item that currently shares its term * with another term_taxonomy. * * @ignore * @since 4.2.0 * @since 4.3.0 Introduced `$record` parameter. Also, `$term_id` and * `$term_taxonomy_id` can now accept objects. * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|object $term_id ID of the shared term, or the shared term object. * @param int|object $term_taxonomy_id ID of the term_taxonomy item to receive a new term, or the term_taxonomy object * (corresponding to a row from the term_taxonomy table). * @param bool $record Whether to record data about the split term in the options table. The recording * process has the potential to be resource-intensive, so during batch operations * it can be beneficial to skip inline recording and do it just once, after the * batch is processed. Only set this to `false` if you know what you are doing. * Default: true. * @return int|WP_Error When the current term does not need to be split (or cannot be split on the current * database schema), `$term_id` is returned. When the term is successfully split, the * new term_id is returned. A WP_Error is returned for miscellaneous errors. */ function _split_shared_term( $term_id, $term_taxonomy_id, $record = true ) { global $wpdb; if ( is_object( $term_id ) ) { $shared_term = $term_id; $term_id = (int) $shared_term->term_id; } if ( is_object( $term_taxonomy_id ) ) { $term_taxonomy = $term_taxonomy_id; $term_taxonomy_id = (int) $term_taxonomy->term_taxonomy_id; } // If there are no shared term_taxonomy rows, there's nothing to do here. $shared_tt_count = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy tt WHERE tt.term_id = %d AND tt.term_taxonomy_id != %d", $term_id, $term_taxonomy_id ) ); if ( ! $shared_tt_count ) { return $term_id; } /* * Verify that the term_taxonomy_id passed to the function is actually associated with the term_id. * If there's a mismatch, it may mean that the term is already split. Return the actual term_id from the db. */ $check_term_id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $term_taxonomy_id ) ); if ( $check_term_id !== $term_id ) { return $check_term_id; } // Pull up data about the currently shared slug, which we'll use to populate the new one. if ( empty( $shared_term ) ) { $shared_term = $wpdb->get_row( $wpdb->prepare( "SELECT t.* FROM $wpdb->terms t WHERE t.term_id = %d", $term_id ) ); } $new_term_data = array( 'name' => $shared_term->name, 'slug' => $shared_term->slug, 'term_group' => $shared_term->term_group, ); if ( false === $wpdb->insert( $wpdb->terms, $new_term_data ) ) { return new WP_Error( 'db_insert_error', __( 'Could not split shared term.' ), $wpdb->last_error ); } $new_term_id = (int) $wpdb->insert_id; // Update the existing term_taxonomy to point to the newly created term. $wpdb->update( $wpdb->term_taxonomy, array( 'term_id' => $new_term_id ), array( 'term_taxonomy_id' => $term_taxonomy_id ) ); // Reassign child terms to the new parent. if ( empty( $term_taxonomy ) ) { $term_taxonomy = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $term_taxonomy_id ) ); } $children_tt_ids = $wpdb->get_col( $wpdb->prepare( "SELECT term_taxonomy_id FROM $wpdb->term_taxonomy WHERE parent = %d AND taxonomy = %s", $term_id, $term_taxonomy->taxonomy ) ); if ( ! empty( $children_tt_ids ) ) { foreach ( $children_tt_ids as $child_tt_id ) { $wpdb->update( $wpdb->term_taxonomy, array( 'parent' => $new_term_id ), array( 'term_taxonomy_id' => $child_tt_id ) ); clean_term_cache( (int) $child_tt_id, '', false ); } } else { // If the term has no children, we must force its taxonomy cache to be rebuilt separately. clean_term_cache( $new_term_id, $term_taxonomy->taxonomy, false ); } clean_term_cache( $term_id, $term_taxonomy->taxonomy, false ); /* * Taxonomy cache clearing is delayed to avoid race conditions that may occur when * regenerating the taxonomy's hierarchy tree. */ $taxonomies_to_clean = array( $term_taxonomy->taxonomy ); // Clean the cache for term taxonomies formerly shared with the current term. $shared_term_taxonomies = $wpdb->get_col( $wpdb->prepare( "SELECT taxonomy FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) ); $taxonomies_to_clean = array_merge( $taxonomies_to_clean, $shared_term_taxonomies ); foreach ( $taxonomies_to_clean as $taxonomy_to_clean ) { clean_taxonomy_cache( $taxonomy_to_clean ); } // Keep a record of term_ids that have been split, keyed by old term_id. See wp_get_split_term(). if ( $record ) { $split_term_data = get_option( '_split_terms', array() ); if ( ! isset( $split_term_data[ $term_id ] ) ) { $split_term_data[ $term_id ] = array(); } $split_term_data[ $term_id ][ $term_taxonomy->taxonomy ] = $new_term_id; update_option( '_split_terms', $split_term_data ); } // If we've just split the final shared term, set the "finished" flag. $shared_terms_exist = $wpdb->get_results( "SELECT tt.term_id, t.*, count(*) as term_tt_count FROM {$wpdb->term_taxonomy} tt LEFT JOIN {$wpdb->terms} t ON t.term_id = tt.term_id GROUP BY t.term_id HAVING term_tt_count > 1 LIMIT 1" ); if ( ! $shared_terms_exist ) { update_option( 'finished_splitting_shared_terms', true ); } /** * Fires after a previously shared taxonomy term is split into two separate terms. * * @since 4.2.0 * * @param int $term_id ID of the formerly shared term. * @param int $new_term_id ID of the new term created for the $term_taxonomy_id. * @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split. * @param string $taxonomy Taxonomy for the split term. */ do_action( 'split_shared_term', $term_id, $new_term_id, $term_taxonomy_id, $term_taxonomy->taxonomy ); return $new_term_id; } /** * Splits a batch of shared taxonomy terms. * * @since 4.3.0 * * @global wpdb $wpdb WordPress database abstraction object. */ function _wp_batch_split_terms() { global $wpdb; $lock_name = 'term_split.lock'; // Try to lock. $lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) ); if ( ! $lock_result ) { $lock_result = get_option( $lock_name ); // Bail if we were unable to create a lock, or if the existing lock is still valid. if ( ! $lock_result || ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) ) { wp_schedule_single_event( time() + ( 5 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' ); return; } } // Update the lock, as by this point we've definitely got a lock, just need to fire the actions. update_option( $lock_name, time() ); // Get a list of shared terms (those with more than one associated row in term_taxonomy). $shared_terms = $wpdb->get_results( "SELECT tt.term_id, t.*, count(*) as term_tt_count FROM {$wpdb->term_taxonomy} tt LEFT JOIN {$wpdb->terms} t ON t.term_id = tt.term_id GROUP BY t.term_id HAVING term_tt_count > 1 LIMIT 10" ); // No more terms, we're done here. if ( ! $shared_terms ) { update_option( 'finished_splitting_shared_terms', true ); delete_option( $lock_name ); return; } // Shared terms found? We'll need to run this script again. wp_schedule_single_event( time() + ( 2 * MINUTE_IN_SECONDS ), 'wp_split_shared_term_batch' ); // Rekey shared term array for faster lookups. $_shared_terms = array(); foreach ( $shared_terms as $shared_term ) { $term_id = (int) $shared_term->term_id; $_shared_terms[ $term_id ] = $shared_term; } $shared_terms = $_shared_terms; // Get term taxonomy data for all shared terms. $shared_term_ids = implode( ',', array_keys( $shared_terms ) ); $shared_tts = $wpdb->get_results( "SELECT * FROM {$wpdb->term_taxonomy} WHERE `term_id` IN ({$shared_term_ids})" ); // Split term data recording is slow, so we do it just once, outside the loop. $split_term_data = get_option( '_split_terms', array() ); $skipped_first_term = array(); $taxonomies = array(); foreach ( $shared_tts as $shared_tt ) { $term_id = (int) $shared_tt->term_id; // Don't split the first tt belonging to a given term_id. if ( ! isset( $skipped_first_term[ $term_id ] ) ) { $skipped_first_term[ $term_id ] = 1; continue; } if ( ! isset( $split_term_data[ $term_id ] ) ) { $split_term_data[ $term_id ] = array(); } // Keep track of taxonomies whose hierarchies need flushing. if ( ! isset( $taxonomies[ $shared_tt->taxonomy ] ) ) { $taxonomies[ $shared_tt->taxonomy ] = 1; } // Split the term. $split_term_data[ $term_id ][ $shared_tt->taxonomy ] = _split_shared_term( $shared_terms[ $term_id ], $shared_tt, false ); } // Rebuild the cached hierarchy for each affected taxonomy. foreach ( array_keys( $taxonomies ) as $tax ) { delete_option( "{$tax}_children" ); _get_term_hierarchy( $tax ); } update_option( '_split_terms', $split_term_data ); delete_option( $lock_name ); } /** * In order to avoid the _wp_batch_split_terms() job being accidentally removed, * checks that it's still scheduled while we haven't finished splitting terms. * * @ignore * @since 4.3.0 */ function _wp_check_for_scheduled_split_terms() { if ( ! get_option( 'finished_splitting_shared_terms' ) && ! wp_next_scheduled( 'wp_split_shared_term_batch' ) ) { wp_schedule_single_event( time() + MINUTE_IN_SECONDS, 'wp_split_shared_term_batch' ); } } /** * Checks default categories when a term gets split to see if any of them need to be updated. * * @ignore * @since 4.2.0 * * @param int $term_id ID of the formerly shared term. * @param int $new_term_id ID of the new term created for the $term_taxonomy_id. * @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split. * @param string $taxonomy Taxonomy for the split term. */ function _wp_check_split_default_terms( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) { if ( 'category' !== $taxonomy ) { return; } foreach ( array( 'default_category', 'default_link_category', 'default_email_category' ) as $option ) { if ( (int) get_option( $option, -1 ) === $term_id ) { update_option( $option, $new_term_id ); } } } /** * Checks menu items when a term gets split to see if any of them need to be updated. * * @ignore * @since 4.2.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $term_id ID of the formerly shared term. * @param int $new_term_id ID of the new term created for the $term_taxonomy_id. * @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split. * @param string $taxonomy Taxonomy for the split term. */ function _wp_check_split_terms_in_menus( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) { global $wpdb; $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT m1.post_id FROM {$wpdb->postmeta} AS m1 INNER JOIN {$wpdb->postmeta} AS m2 ON ( m2.post_id = m1.post_id ) INNER JOIN {$wpdb->postmeta} AS m3 ON ( m3.post_id = m1.post_id ) WHERE ( m1.meta_key = '_menu_item_type' AND m1.meta_value = 'taxonomy' ) AND ( m2.meta_key = '_menu_item_object' AND m2.meta_value = %s ) AND ( m3.meta_key = '_menu_item_object_id' AND m3.meta_value = %d )", $taxonomy, $term_id ) ); if ( $post_ids ) { foreach ( $post_ids as $post_id ) { update_post_meta( $post_id, '_menu_item_object_id', $new_term_id, $term_id ); } } } /** * If the term being split is a nav_menu, changes associations. * * @ignore * @since 4.3.0 * * @param int $term_id ID of the formerly shared term. * @param int $new_term_id ID of the new term created for the $term_taxonomy_id. * @param int $term_taxonomy_id ID for the term_taxonomy row affected by the split. * @param string $taxonomy Taxonomy for the split term. */ function _wp_check_split_nav_menu_terms( $term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) { if ( 'nav_menu' !== $taxonomy ) { return; } // Update menu locations. $locations = get_nav_menu_locations(); foreach ( $locations as $location => $menu_id ) { if ( $term_id === $menu_id ) { $locations[ $location ] = $new_term_id; } } set_theme_mod( 'nav_menu_locations', $locations ); } /** * Gets data about terms that previously shared a single term_id, but have since been split. * * @since 4.2.0 * * @param int $old_term_id Term ID. This is the old, pre-split term ID. * @return array Array of new term IDs, keyed by taxonomy. */ function wp_get_split_terms( $old_term_id ) { $split_terms = get_option( '_split_terms', array() ); $terms = array(); if ( isset( $split_terms[ $old_term_id ] ) ) { $terms = $split_terms[ $old_term_id ]; } return $terms; } /** * Gets the new term ID corresponding to a previously split term. * * @since 4.2.0 * * @param int $old_term_id Term ID. This is the old, pre-split term ID. * @param string $taxonomy Taxonomy that the term belongs to. * @return int|false If a previously split term is found corresponding to the old term_id and taxonomy, * the new term_id will be returned. If no previously split term is found matching * the parameters, returns false. */ function wp_get_split_term( $old_term_id, $taxonomy ) { $split_terms = wp_get_split_terms( $old_term_id ); $term_id = false; if ( isset( $split_terms[ $taxonomy ] ) ) { $term_id = (int) $split_terms[ $taxonomy ]; } return $term_id; } /** * Determines whether a term is shared between multiple taxonomies. * * Shared taxonomy terms began to be split in 4.3, but failed cron tasks or * other delays in upgrade routines may cause shared terms to remain. * * @since 4.4.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $term_id Term ID. * @return bool Returns false if a term is not shared between multiple taxonomies or * if splitting shared taxonomy terms is finished. */ function wp_term_is_shared( $term_id ) { global $wpdb; if ( get_option( 'finished_splitting_shared_terms' ) ) { return false; } $tt_count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) ); return $tt_count > 1; } /** * Generates a permalink for a taxonomy term archive. * * @since 2.5.0 * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param WP_Term|int|string $term The term object, ID, or slug whose link will be retrieved. * @param string $taxonomy Optional. Taxonomy. Default empty. * @return string|WP_Error URL of the taxonomy term archive on success, WP_Error if term does not exist. */ function get_term_link( $term, $taxonomy = '' ) { global $wp_rewrite; if ( ! is_object( $term ) ) { if ( is_int( $term ) ) { $term = get_term( $term, $taxonomy ); } else { $term = get_term_by( 'slug', $term, $taxonomy ); } } if ( ! is_object( $term ) ) { $term = new WP_Error( 'invalid_term', __( 'Empty Term.' ) ); } if ( is_wp_error( $term ) ) { return $term; } $taxonomy = $term->taxonomy; $termlink = $wp_rewrite->get_extra_permastruct( $taxonomy ); /** * Filters the permalink structure for a term before token replacement occurs. * * @since 4.9.0 * * @param string $termlink The permalink structure for the term's taxonomy. * @param WP_Term $term The term object. */ $termlink = apply_filters( 'pre_term_link', $termlink, $term ); $slug = $term->slug; $t = get_taxonomy( $taxonomy ); if ( empty( $termlink ) ) { if ( 'category' === $taxonomy ) { $termlink = '?cat=' . $term->term_id; } elseif ( $t->query_var ) { $termlink = "?$t->query_var=$slug"; } else { $termlink = "?taxonomy=$taxonomy&term=$slug"; } $termlink = home_url( $termlink ); } else { if ( ! empty( $t->rewrite['hierarchical'] ) ) { $hierarchical_slugs = array(); $ancestors = get_ancestors( $term->term_id, $taxonomy, 'taxonomy' ); foreach ( (array) $ancestors as $ancestor ) { $ancestor_term = get_term( $ancestor, $taxonomy ); $hierarchical_slugs[] = $ancestor_term->slug; } $hierarchical_slugs = array_reverse( $hierarchical_slugs ); $hierarchical_slugs[] = $slug; $termlink = str_replace( "%$taxonomy%", implode( '/', $hierarchical_slugs ), $termlink ); } else { $termlink = str_replace( "%$taxonomy%", $slug, $termlink ); } $termlink = home_url( user_trailingslashit( $termlink, 'category' ) ); } // Back compat filters. if ( 'post_tag' === $taxonomy ) { /** * Filters the tag link. * * @since 2.3.0 * @since 2.5.0 Deprecated in favor of {@see 'term_link'} filter. * @since 5.4.1 Restored (un-deprecated). * * @param string $termlink Tag link URL. * @param int $term_id Term ID. */ $termlink = apply_filters( 'tag_link', $termlink, $term->term_id ); } elseif ( 'category' === $taxonomy ) { /** * Filters the category link. * * @since 1.5.0 * @since 2.5.0 Deprecated in favor of {@see 'term_link'} filter. * @since 5.4.1 Restored (un-deprecated). * * @param string $termlink Category link URL. * @param int $term_id Term ID. */ $termlink = apply_filters( 'category_link', $termlink, $term->term_id ); } /** * Filters the term link. * * @since 2.5.0 * * @param string $termlink Term link URL. * @param WP_Term $term Term object. * @param string $taxonomy Taxonomy slug. */ return apply_filters( 'term_link', $termlink, $term, $taxonomy ); } /** * Displays the taxonomies of a post with available options. * * This function can be used within the loop to display the taxonomies for a * post without specifying the Post ID. You can also use it outside the Loop to * display the taxonomies for a specific post. * * @since 2.5.0 * * @param array $args { * Arguments about which post to use and how to format the output. Shares all of the arguments * supported by get_the_taxonomies(), in addition to the following. * * @type int|WP_Post $post Post ID or object to get taxonomies of. Default current post. * @type string $before Displays before the taxonomies. Default empty string. * @type string $sep Separates each taxonomy. Default is a space. * @type string $after Displays after the taxonomies. Default empty string. * } */ function the_taxonomies( $args = array() ) { $defaults = array( 'post' => 0, 'before' => '', 'sep' => ' ', 'after' => '', ); $parsed_args = wp_parse_args( $args, $defaults ); echo $parsed_args['before'] . implode( $parsed_args['sep'], get_the_taxonomies( $parsed_args['post'], $parsed_args ) ) . $parsed_args['after']; } /** * Retrieves all taxonomies associated with a post. * * This function can be used within the loop. It will also return an array of * the taxonomies with links to the taxonomy and name. * * @since 2.5.0 * * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. * @param array $args { * Optional. Arguments about how to format the list of taxonomies. Default empty array. * * @type string $template Template for displaying a taxonomy label and list of terms. * Default is "Label: Terms." * @type string $term_template Template for displaying a single term in the list. Default is the term name * linked to its archive. * } * @return string[] List of taxonomies. */ function get_the_taxonomies( $post = 0, $args = array() ) { $post = get_post( $post ); $args = wp_parse_args( $args, array( /* translators: %s: Taxonomy label, %l: List of terms formatted as per $term_template. */ 'template' => __( '%s: %l.' ), 'term_template' => '<a href="%1$s">%2$s</a>', ) ); $taxonomies = array(); if ( ! $post ) { return $taxonomies; } foreach ( get_object_taxonomies( $post ) as $taxonomy ) { $t = (array) get_taxonomy( $taxonomy ); if ( empty( $t['label'] ) ) { $t['label'] = $taxonomy; } if ( empty( $t['args'] ) ) { $t['args'] = array(); } if ( empty( $t['template'] ) ) { $t['template'] = $args['template']; } if ( empty( $t['term_template'] ) ) { $t['term_template'] = $args['term_template']; } $terms = get_object_term_cache( $post->ID, $taxonomy ); if ( false === $terms ) { $terms = wp_get_object_terms( $post->ID, $taxonomy, $t['args'] ); } $links = array(); foreach ( $terms as $term ) { $links[] = wp_sprintf( $t['term_template'], esc_attr( get_term_link( $term ) ), $term->name ); } if ( $links ) { $taxonomies[ $taxonomy ] = wp_sprintf( $t['template'], $t['label'], $links, $terms ); } } return $taxonomies; } /** * Retrieves all taxonomy names for the given post. * * @since 2.5.0 * * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. * @return string[] An array of all taxonomy names for the given post. */ function get_post_taxonomies( $post = 0 ) { $post = get_post( $post ); return get_object_taxonomies( $post ); } /** * Determines if the given object is associated with any of the given terms. * * The given terms are checked against the object's terms' term_ids, names and slugs. * Terms given as integers will only be checked against the object's terms' term_ids. * If no terms are given, determines if object is associated with any terms in the given taxonomy. * * @since 2.7.0 * * @param int $object_id ID of the object (post ID, link ID, ...). * @param string $taxonomy Single taxonomy name. * @param int|string|int[]|string[] $terms Optional. Term ID, name, slug, or array of such * to check against. Default null. * @return bool|WP_Error WP_Error on input error. */ function is_object_in_term( $object_id, $taxonomy, $terms = null ) { $object_id = (int) $object_id; if ( ! $object_id ) { return new WP_Error( 'invalid_object', __( 'Invalid object ID.' ) ); } $object_terms = get_object_term_cache( $object_id, $taxonomy ); if ( false === $object_terms ) { $object_terms = wp_get_object_terms( $object_id, $taxonomy, array( 'update_term_meta_cache' => false ) ); if ( is_wp_error( $object_terms ) ) { return $object_terms; } wp_cache_set( $object_id, wp_list_pluck( $object_terms, 'term_id' ), "{$taxonomy}_relationships" ); } if ( is_wp_error( $object_terms ) ) { return $object_terms; } if ( empty( $object_terms ) ) { return false; } if ( empty( $terms ) ) { return ( ! empty( $object_terms ) ); } $terms = (array) $terms; $ints = array_filter( $terms, 'is_int' ); if ( $ints ) { $strs = array_diff( $terms, $ints ); } else { $strs =& $terms; } foreach ( $object_terms as $object_term ) { // If term is an int, check against term_ids only. if ( $ints && in_array( $object_term->term_id, $ints, true ) ) { return true; } if ( $strs ) { // Only check numeric strings against term_id, to avoid false matches due to type juggling. $numeric_strs = array_map( 'intval', array_filter( $strs, 'is_numeric' ) ); if ( in_array( $object_term->term_id, $numeric_strs, true ) ) { return true; } if ( in_array( $object_term->name, $strs, true ) ) { return true; } if ( in_array( $object_term->slug, $strs, true ) ) { return true; } } } return false; } /** * Determines if the given object type is associated with the given taxonomy. * * @since 3.0.0 * * @param string $object_type Object type string. * @param string $taxonomy Single taxonomy name. * @return bool True if object is associated with the taxonomy, otherwise false. */ function is_object_in_taxonomy( $object_type, $taxonomy ) { $taxonomies = get_object_taxonomies( $object_type ); if ( empty( $taxonomies ) ) { return false; } return in_array( $taxonomy, $taxonomies, true ); } /** * Gets an array of ancestor IDs for a given object. * * @since 3.1.0 * @since 4.1.0 Introduced the `$resource_type` argument. * * @param int $object_id Optional. The ID of the object. Default 0. * @param string $object_type Optional. The type of object for which we'll be retrieving * ancestors. Accepts a post type or a taxonomy name. Default empty. * @param string $resource_type Optional. Type of resource $object_type is. Accepts 'post_type' * or 'taxonomy'. Default empty. * @return int[] An array of IDs of ancestors from lowest to highest in the hierarchy. */ function get_ancestors( $object_id = 0, $object_type = '', $resource_type = '' ) { $object_id = (int) $object_id; $ancestors = array(); if ( empty( $object_id ) ) { /** This filter is documented in wp-includes/taxonomy.php */ return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type ); } if ( ! $resource_type ) { if ( is_taxonomy_hierarchical( $object_type ) ) { $resource_type = 'taxonomy'; } elseif ( post_type_exists( $object_type ) ) { $resource_type = 'post_type'; } } if ( 'taxonomy' === $resource_type ) { $term = get_term( $object_id, $object_type ); while ( ! is_wp_error( $term ) && ! empty( $term->parent ) && ! in_array( $term->parent, $ancestors, true ) ) { $ancestors[] = (int) $term->parent; $term = get_term( $term->parent, $object_type ); } } elseif ( 'post_type' === $resource_type ) { $ancestors = get_post_ancestors( $object_id ); } /** * Filters a given object's ancestors. * * @since 3.1.0 * @since 4.1.1 Introduced the `$resource_type` parameter. * * @param int[] $ancestors An array of IDs of object ancestors. * @param int $object_id Object ID. * @param string $object_type Type of object. * @param string $resource_type Type of resource $object_type is. */ return apply_filters( 'get_ancestors', $ancestors, $object_id, $object_type, $resource_type ); } /** * Returns the term's parent's term ID. * * @since 3.1.0 * * @param int $term_id Term ID. * @param string $taxonomy Taxonomy name. * @return int|false Parent term ID on success, false on failure. */ function wp_get_term_taxonomy_parent_id( $term_id, $taxonomy ) { $term = get_term( $term_id, $taxonomy ); if ( ! $term || is_wp_error( $term ) ) { return false; } return (int) $term->parent; } /** * Checks the given subset of the term hierarchy for hierarchy loops. * Prevents loops from forming and breaks those that it finds. * * Attached to the {@see 'wp_update_term_parent'} filter. * * @since 3.1.0 * * @param int $parent_term `term_id` of the parent for the term we're checking. * @param int $term_id The term we're checking. * @param string $taxonomy The taxonomy of the term we're checking. * @return int The new parent for the term. */ function wp_check_term_hierarchy_for_loops( $parent_term, $term_id, $taxonomy ) { // Nothing fancy here - bail. if ( ! $parent_term ) { return 0; } // Can't be its own parent. if ( $parent_term === $term_id ) { return 0; } // Now look for larger loops. $loop = wp_find_hierarchy_loop( 'wp_get_term_taxonomy_parent_id', $term_id, $parent_term, array( $taxonomy ) ); if ( ! $loop ) { return $parent_term; // No loop. } // Setting $parent_term to the given value causes a loop. if ( isset( $loop[ $term_id ] ) ) { return 0; } // There's a loop, but it doesn't contain $term_id. Break the loop. foreach ( array_keys( $loop ) as $loop_member ) { wp_update_term( $loop_member, $taxonomy, array( 'parent' => 0 ) ); } return $parent_term; } /** * Determines whether a taxonomy is considered "viewable". * * @since 5.1.0 * * @param string|WP_Taxonomy $taxonomy Taxonomy name or object. * @return bool Whether the taxonomy should be considered viewable. */ function is_taxonomy_viewable( $taxonomy ) { if ( is_scalar( $taxonomy ) ) { $taxonomy = get_taxonomy( $taxonomy ); if ( ! $taxonomy ) { return false; } } return $taxonomy->publicly_queryable; } /** * Determines whether a term is publicly viewable. * * A term is considered publicly viewable if its taxonomy is viewable. * * @since 6.1.0 * * @param int|WP_Term $term Term ID or term object. * @return bool Whether the term is publicly viewable. */ function is_term_publicly_viewable( $term ) { $term = get_term( $term ); if ( ! $term ) { return false; } return is_taxonomy_viewable( $term->taxonomy ); } /** * Sets the last changed time for the 'terms' cache group. * * @since 5.0.0 */ function wp_cache_set_terms_last_changed() { wp_cache_set_last_changed( 'terms' ); } /** * Aborts calls to term meta if it is not supported. * * @since 5.0.0 * * @param mixed $check Skip-value for whether to proceed term meta function execution. * @return mixed Original value of $check, or false if term meta is not supported. */ function wp_check_term_meta_support_prefilter( $check ) { if ( get_option( 'db_version' ) < 34370 ) { return false; } return $check; }
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