X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/f9001779751f83dc8a10e478bfecb4d8dd5f964c..refs/tags/wordpress-3.7:/wp-includes/taxonomy.php diff --git a/wp-includes/taxonomy.php b/wp-includes/taxonomy.php index 89532dcd..c8191fe0 100644 --- a/wp-includes/taxonomy.php +++ b/wp-includes/taxonomy.php @@ -12,31 +12,52 @@ // /** - * Creates the initial taxonomies when 'init' action is fired. + * Creates the initial taxonomies. + * + * This function fires twice: in wp-settings.php before plugins are loaded (for + * backwards compatibility reasons), and again on the 'init' action. We must avoid + * registering rewrite rules before the 'init' action. */ function create_initial_taxonomies() { + global $wp_rewrite; + + if ( ! did_action( 'init' ) ) { + $rewrite = array( 'category' => false, 'post_tag' => false, 'post_format' => false ); + } else { + $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( + '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, - 'update_count_callback' => '_update_post_term_count', 'query_var' => 'category_name', - 'rewrite' => did_action( 'init' ) ? array( - 'hierarchical' => true, - 'slug' => get_option('category_base') ? get_option('category_base') : 'category', - 'with_front' => false) : false, + 'rewrite' => $rewrite['category'], 'public' => true, 'show_ui' => true, + 'show_admin_column' => true, '_builtin' => true, ) ); register_taxonomy( 'post_tag', 'post', array( 'hierarchical' => false, - 'update_count_callback' => '_update_post_term_count', 'query_var' => 'tag', - 'rewrite' => did_action( 'init' ) ? array( - 'slug' => get_option('tag_base') ? get_option('tag_base') : 'tag', - 'with_front' => false) : false, + 'rewrite' => $rewrite['post_tag'], 'public' => true, 'show_ui' => true, + 'show_admin_column' => true, '_builtin' => true, ) ); @@ -70,6 +91,12 @@ function create_initial_taxonomies() { 'add_or_remove_items' => null, 'choose_from_most_used' => null, ), + '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, @@ -77,12 +104,6 @@ function create_initial_taxonomies() { '_builtin' => true, ) ); - $rewrite = false; - if ( did_action( 'init' ) ) { - $rewrite = apply_filters( 'post_format_rewrite_base', 'type' ); - $rewrite = $rewrite ? array( 'slug' => $rewrite ) : false; - } - register_taxonomy( 'post_format', 'post', array( 'public' => true, 'hierarchical' => false, @@ -91,10 +112,10 @@ function create_initial_taxonomies() { 'singular_name' => _x( 'Format', 'post format' ), ), 'query_var' => true, - 'rewrite' => $rewrite, + 'rewrite' => $rewrite['post_format'], 'show_ui' => false, '_builtin' => true, - 'show_in_nav_menus' => false, + 'show_in_nav_menus' => current_theme_supports( 'post-formats' ), ) ); } add_action( 'init', 'create_initial_taxonomies', 0 ); // highest priority @@ -122,7 +143,6 @@ function get_taxonomies( $args = array(), $output = 'names', $operator = 'and' ) return wp_filter_object_list($wp_taxonomies, $args, $operator, $field); } - /** * Return all of the taxonomy names that are of $object_type. * @@ -250,96 +270,123 @@ function is_taxonomy_hierarchical($taxonomy) { * * Optional $args contents: * - * label - Name of the taxonomy shown in the menu. Usually plural. If not set, labels['name'] will be used. - * - * hierarchical - has some defined purpose at other parts of the API and is a - * boolean value. - * - * update_count_callback - works much like a hook, in that it will be called - * when the count is updated. - * - * rewrite - false to prevent rewrite, or array('slug'=>$slug) to customize - * permastruct; default will use $taxonomy as slug. - * - * query_var - false to prevent queries, or string to customize query var - * (?$query_var=$term); default will use $taxonomy as query var. - * - * public - If the taxonomy should be publically queryable; //@TODO not implemented. - * defaults to true. + * - label - Name of the taxonomy shown in the menu. Usually plural. If not set, labels['name'] will be used. + * - labels - An array of labels for this taxonomy. + * * By default tag labels are used for non-hierarchical types and category labels for hierarchical ones. + * * You can see accepted values in {@link get_taxonomy_labels()}. + * - description - A short descriptive summary of what the taxonomy is for. Defaults to blank. + * - public - If the taxonomy should be publicly queryable; //@TODO not implemented. + * * Defaults to true. + * - hierarchical - Whether the taxonomy is hierarchical (e.g. category). Defaults to false. + * - show_ui -Whether to generate a default UI for managing this taxonomy in the admin. + * * If not set, the default is inherited from public. + * - show_in_menu - Where 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, the default is inherited from show_ui. + * - show_in_nav_menus - Makes this taxonomy available for selection in navigation menus. + * * If not set, the default is inherited from public. + * - show_tagcloud - Whether to list the taxonomy in the Tag Cloud Widget. + * * If not set, the default is inherited from show_ui. + * - meta_box_cb - Provide a callback function for the meta box display. Defaults to + * post_categories_meta_box for hierarchical taxonomies and post_tags_meta_box for non-hierarchical. + * - capabilities - Array of capabilities for this taxonomy. + * * You can see accepted values in this function. + * - rewrite - Triggers the handling of rewrites for this taxonomy. Defaults to 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 + * * 'slug' => string Customize the permastruct slug. Defaults to $taxonomy key + * * 'with_front' => bool Should the permastruct be prepended with WP_Rewrite::$front. Defaults to true. + * * 'hierarchical' => bool Either hierarchical rewrite tag or not. Defaults to false. + * * 'ep_mask' => const Assign an endpoint mask. + * * If not specified, defaults to EP_NONE. + * - query_var - Sets the query_var key for this taxonomy. Defaults to $taxonomy key + * * If false, a taxonomy cannot be loaded at ?{query_var}={term_slug} + * * If specified as a string, the query ?{query_var_string}={term_slug} will be valid. + * - update_count_callback - Works much like a hook, in that it will be called when the count is updated. + * * Defaults to _update_post_term_count() for taxonomies attached to post types, which then confirms + * that the objects are published before counting them. + * * Defaults to _update_generic_term_count() for taxonomies attached to other object types, such as links. + * - _builtin - true if this taxonomy is a native or "built-in" taxonomy. THIS IS FOR INTERNAL USE ONLY! * - * show_ui - If the WordPress UI admin tags UI should apply to this taxonomy; - * defaults to public. - * - * show_in_nav_menus - true makes this taxonomy available for selection in navigation menus. - * Defaults to public. - * - * show_tagcloud - false to prevent the taxonomy being listed in the Tag Cloud Widget; - * defaults to show_ui which defalts to public. - * - * labels - An array of labels for this taxonomy. You can see accepted values in {@link get_taxonomy_labels()}. By default tag labels are used for non-hierarchical types and category labels for hierarchical ones. - * - * @package WordPress - * @subpackage Taxonomy * @since 2.3.0 * @uses $wp_taxonomies Inserts new taxonomy object into the list - * @uses $wp_rewrite Adds rewrite tags and permastructs * @uses $wp Adds query vars * - * @param string $taxonomy Name of taxonomy object + * @param string $taxonomy Taxonomy key, must not exceed 32 characters. * @param array|string $object_type Name of the object type for the taxonomy object. - * @param array|string $args See above description for the two keys values. + * @param array|string $args See optional args description above. + * @return null|WP_Error WP_Error if errors, otherwise null. */ function register_taxonomy( $taxonomy, $object_type, $args = array() ) { - global $wp_taxonomies, $wp_rewrite, $wp; + global $wp_taxonomies, $wp; - if ( ! is_array($wp_taxonomies) ) + if ( ! is_array( $wp_taxonomies ) ) $wp_taxonomies = array(); - $defaults = array( 'hierarchical' => false, - 'update_count_callback' => '', - 'rewrite' => true, - 'query_var' => $taxonomy, - 'public' => true, - 'show_ui' => null, - 'show_tagcloud' => null, - '_builtin' => false, - 'labels' => array(), - 'capabilities' => array(), - 'show_in_nav_menus' => null, - ); - $args = wp_parse_args($args, $defaults); + $defaults = array( + 'labels' => array(), + 'description' => '', + 'public' => true, + 'hierarchical' => false, + 'show_ui' => null, + 'show_in_menu' => null, + 'show_in_nav_menus' => null, + 'show_tagcloud' => null, + 'meta_box_cb' => null, + 'capabilities' => array(), + 'rewrite' => true, + 'query_var' => $taxonomy, + 'update_count_callback' => '', + '_builtin' => false, + ); + $args = wp_parse_args( $args, $defaults ); + + if ( strlen( $taxonomy ) > 32 ) + return new WP_Error( 'taxonomy_too_long', __( 'Taxonomies cannot exceed 32 characters in length' ) ); - if ( false !== $args['query_var'] && !empty($wp) ) { + if ( false !== $args['query_var'] && ! empty( $wp ) ) { if ( true === $args['query_var'] ) $args['query_var'] = $taxonomy; - $args['query_var'] = sanitize_title_with_dashes($args['query_var']); - $wp->add_query_var($args['query_var']); + else + $args['query_var'] = sanitize_title_with_dashes( $args['query_var'] ); + $wp->add_query_var( $args['query_var'] ); } - if ( false !== $args['rewrite'] && '' != get_option('permalink_structure') ) { - $args['rewrite'] = wp_parse_args($args['rewrite'], array( - 'slug' => sanitize_title_with_dashes($taxonomy), + if ( false !== $args['rewrite'] && ( is_admin() || '' != get_option( 'permalink_structure' ) ) ) { + $args['rewrite'] = wp_parse_args( $args['rewrite'], array( 'with_front' => true, - 'hierarchical' => false - )); + 'hierarchical' => false, + 'ep_mask' => EP_NONE, + ) ); + + if ( empty( $args['rewrite']['slug'] ) ) + $args['rewrite']['slug'] = sanitize_title_with_dashes( $taxonomy ); if ( $args['hierarchical'] && $args['rewrite']['hierarchical'] ) $tag = '(.+?)'; else $tag = '([^/]+)'; - $wp_rewrite->add_rewrite_tag("%$taxonomy%", $tag, $args['query_var'] ? "{$args['query_var']}=" : "taxonomy=$taxonomy&term="); - $wp_rewrite->add_permastruct($taxonomy, "{$wp_rewrite->root}{$args['rewrite']['slug']}/%$taxonomy%", $args['rewrite']['with_front']); + add_rewrite_tag( "%$taxonomy%", $tag, $args['query_var'] ? "{$args['query_var']}=" : "taxonomy=$taxonomy&term=" ); + add_permastruct( $taxonomy, "{$args['rewrite']['slug']}/%$taxonomy%", $args['rewrite'] ); } - if ( is_null($args['show_ui']) ) + // If not set, default to the setting for public. + if ( null === $args['show_ui'] ) $args['show_ui'] = $args['public']; - // Whether to show this type in nav-menus.php. Defaults to the setting for public. + // If not set, default to the setting for show_ui. + if ( null === $args['show_in_menu' ] || ! $args['show_ui'] ) + $args['show_in_menu' ] = $args['show_ui']; + + // If not set, default to the setting for public. if ( null === $args['show_in_nav_menus'] ) $args['show_in_nav_menus'] = $args['public']; - if ( is_null($args['show_tagcloud']) ) + // If not set, default to the setting for show_ui. + if ( null === $args['show_tagcloud'] ) $args['show_tagcloud'] = $args['show_ui']; $default_caps = array( @@ -352,37 +399,49 @@ function register_taxonomy( $taxonomy, $object_type, $args = array() ) { unset( $args['capabilities'] ); $args['name'] = $taxonomy; - $args['object_type'] = (array) $object_type; + $args['object_type'] = array_unique( (array) $object_type ); $args['labels'] = get_taxonomy_labels( (object) $args ); $args['label'] = $args['labels']->name; - $wp_taxonomies[$taxonomy] = (object) $args; + // If not set, use the default meta box + if ( null === $args['meta_box_cb'] ) { + if ( $args['hierarchical'] ) + $args['meta_box_cb'] = 'post_categories_meta_box'; + else + $args['meta_box_cb'] = 'post_tags_meta_box'; + } + + $wp_taxonomies[ $taxonomy ] = (object) $args; // register callback handling for metabox - add_filter('wp_ajax_add-' . $taxonomy, '_wp_ajax_add_hierarchical_term'); + add_filter( 'wp_ajax_add-' . $taxonomy, '_wp_ajax_add_hierarchical_term' ); + + do_action( 'registered_taxonomy', $taxonomy, $object_type, $args ); } /** * Builds an object with all taxonomy labels out of a taxonomy object * * Accepted keys of the label array in the taxonomy object: - * - name - general name for the taxonomy, usually plural. The same as and overriden by $tax->label. Default is Post Tags/Categories - * - singular_name - name for one object of this taxonomy. Default is Post Tag/Category + * - name - general name for the taxonomy, usually plural. The same as and overridden by $tax->label. Default is Tags/Categories + * - singular_name - name for one object of this taxonomy. Default is Tag/Category * - search_items - Default is Search Tags/Search Categories * - popular_items - This string isn't used on hierarchical taxonomies. Default is Popular Tags * - all_items - Default is All Tags/All Categories * - parent_item - This string isn't used on non-hierarchical taxonomies. In hierarchical ones the default is Parent Category * - parent_item_colon - The same as parent_item, but with colon : in the end * - edit_item - Default is Edit Tag/Edit Category + * - view_item - Default is View Tag/View Category * - update_item - Default is Update Tag/Update Category * - add_new_item - Default is Add New Tag/Add New Category * - new_item_name - Default is New Tag Name/New Category Name - * - separate_items_with_commas - This string isn't used on hierarchical taxonomies. Default is "Separate tags with commas," used in the meta box. - * - add_or_remove_items - This string isn't used on hierarchical taxonomies. Default is "Add or remove tags," used in the meta box when JavaScript is disabled. - * - choose_from_most_used - This string isn't used on hierarchical taxonomies. Default is "Choose from the most used tags," used in the meta box. + * - separate_items_with_commas - This string isn't used on hierarchical taxonomies. Default is "Separate tags with commas", used in the meta box. + * - add_or_remove_items - This string isn't used on hierarchical taxonomies. Default is "Add or remove tags", used in the meta box when JavaScript is disabled. + * - choose_from_most_used - This string isn't used on hierarchical taxonomies. Default is "Choose from the most used tags", used in the meta box. + * - not_found - This string isn't used on hierarchical taxonomies. Default is "No tags found", used in the meta box. * - * Above, the first default value is for non-hierarchical taxonomies (like tags) and the second one is for hierarchical taxonomies (like categories.) + * Above, the first default value is for non-hierarchical taxonomies (like tags) and the second one is for hierarchical taxonomies (like categories). * * @since 3.0.0 * @param object $tax Taxonomy object @@ -390,24 +449,31 @@ function register_taxonomy( $taxonomy, $object_type, $args = array() ) { */ 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 = array( - 'name' => array( _x( 'Post Tags', 'taxonomy general name' ), _x( 'Categories', 'taxonomy general name' ) ), - 'singular_name' => array( _x( 'Post Tag', 'taxonomy singular name' ), _x( 'Category', 'taxonomy singular name' ) ), + 'name' => array( _x( 'Tags', 'taxonomy general name' ), _x( 'Categories', 'taxonomy general name' ) ), + 'singular_name' => array( _x( 'Tag', 'taxonomy singular name' ), _x( 'Category', 'taxonomy singular name' ) ), 'search_items' => array( __( 'Search Tags' ), __( 'Search Categories' ) ), 'popular_items' => array( __( 'Popular Tags' ), null ), 'all_items' => array( __( 'All Tags' ), __( 'All Categories' ) ), 'parent_item' => array( null, __( 'Parent Category' ) ), 'parent_item_colon' => array( null, __( 'Parent Category:' ) ), 'edit_item' => array( __( 'Edit Tag' ), __( 'Edit Category' ) ), + 'view_item' => array( __( 'View Tag' ), __( 'View Category' ) ), 'update_item' => array( __( 'Update Tag' ), __( 'Update Category' ) ), 'add_new_item' => array( __( 'Add New Tag' ), __( 'Add New Category' ) ), 'new_item_name' => array( __( 'New Tag Name' ), __( 'New Category Name' ) ), 'separate_items_with_commas' => array( __( 'Separate tags with commas' ), null ), 'add_or_remove_items' => array( __( 'Add or remove tags' ), null ), 'choose_from_most_used' => array( __( 'Choose from the most used tags' ), null ), + 'not_found' => array( __( 'No tags found.' ), null ), ); $nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name']; @@ -423,7 +489,7 @@ function get_taxonomy_labels( $tax ) { * @uses $wp_taxonomies Modifies taxonomy object * * @param string $taxonomy Name of taxonomy object - * @param array|string $object_type Name of the object type + * @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) { @@ -435,11 +501,38 @@ function register_taxonomy_for_object_type( $taxonomy, $object_type) { if ( ! get_post_type_object($object_type) ) return false; - $wp_taxonomies[$taxonomy]->object_type[] = $object_type; + if ( ! in_array( $object_type, $wp_taxonomies[$taxonomy]->object_type ) ) + $wp_taxonomies[$taxonomy]->object_type[] = $object_type; return true; } +/** + * Remove an already registered taxonomy from an object type. + * + * @since 3.7.0 + * + * @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 ] ); + return true; +} + // // Term API // @@ -483,7 +576,7 @@ function get_objects_in_term( $term_ids, $taxonomies, $args = array() ) { foreach ( (array) $taxonomies as $taxonomy ) { if ( ! taxonomy_exists( $taxonomy ) ) - return new WP_Error( 'invalid_taxonomy', __( 'Invalid Taxonomy' ) ); + return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy' ) ); } $defaults = array( 'order' => 'ASC' ); @@ -537,7 +630,7 @@ class WP_Tax_Query { * Possible values: 'term_id', 'slug' or 'name' * Default: 'term_id' * - 'operator' string (optional) - * Possible values: 'IN' and 'NOT IN'. + * Possible values: 'AND', 'IN' or 'NOT IN'. * Default: 'IN' * - 'include_children' bool (optional) Whether to include child terms. * Default: true @@ -546,7 +639,7 @@ class WP_Tax_Query { * @access public * @var array */ - var $queries = array(); + public $queries = array(); /** * The relation between the queries. Can be one of 'AND' or 'OR'. @@ -555,10 +648,19 @@ class WP_Tax_Query { * @access public * @var string */ - var $relation; + public $relation; + + /** + * Standard response when the query should not return any rows. + * + * @since 3.2.0 + * @access private + * @var string + */ + private static $no_results = array( 'join' => '', 'where' => ' AND 0 = 1' ); /** - * PHP4 type constructor. + * Constructor. * * Parses a compact tax query and sets defaults. * @@ -579,10 +681,8 @@ class WP_Tax_Query { * 'field' => 'slug', * ), * ) - * - * @return WP_Tax_Query */ - function WP_Tax_Query( $tax_query ) { + public function __construct( $tax_query ) { if ( isset( $tax_query['relation'] ) && strtoupper( $tax_query['relation'] ) == 'OR' ) { $this->relation = 'OR'; } else { @@ -619,47 +719,32 @@ class WP_Tax_Query { * @param string $primary_id_column * @return array */ - function get_sql( $primary_table, $primary_id_column ) { + public function get_sql( $primary_table, $primary_id_column ) { global $wpdb; $join = ''; $where = array(); $i = 0; + $count = count( $this->queries ); - foreach ( $this->queries as $query ) { - extract( $query ); - - if ( ! taxonomy_exists( $taxonomy ) ) - return array( 'join' => '', 'where' => ' AND 0 = 1'); + foreach ( $this->queries as $index => $query ) { + $this->clean_query( $query ); - $terms = array_unique( (array) $terms ); + if ( is_wp_error( $query ) ) + return self::$no_results; - if ( empty( $terms ) ) - continue; - - if ( is_taxonomy_hierarchical( $taxonomy ) && $include_children ) { - $this->_transform_terms( $terms, $taxonomy, $field, 'term_id' ); - - $children = array(); - foreach ( $terms as $term ) { - $children = array_merge( $children, get_term_children( $term, $taxonomy ) ); - $children[] = $term; - } - $terms = $children; - - $this->_transform_terms( $terms, $taxonomy, 'term_id', 'term_taxonomy_id' ); - } - else { - $this->_transform_terms( $terms, $taxonomy, $field, 'term_taxonomy_id' ); - } + extract( $query ); if ( 'IN' == $operator ) { if ( empty( $terms ) ) { - if ( 'OR' == $this->relation ) + if ( 'OR' == $this->relation ) { + if ( ( $index + 1 === $count ) && empty( $where ) ) + return self::$no_results; continue; - else - return array( 'join' => '', 'where' => ' AND 0 = 1' ); + } else { + return self::$no_results; + } } $terms = implode( ',', $terms ); @@ -692,18 +777,18 @@ class WP_Tax_Query { $terms = implode( ',', $terms ); - $where[] = "$primary_table.$primary_id_column IN ( - SELECT object_id + $where[] = "( + SELECT COUNT(1) FROM $wpdb->term_relationships WHERE term_taxonomy_id IN ($terms) - GROUP BY object_id HAVING COUNT(object_id) = $num_terms - )"; + AND object_id = $primary_table.$primary_id_column + ) = $num_terms"; } $i++; } - if ( !empty( $where ) ) + if ( ! empty( $where ) ) $where = ' AND ( ' . implode( " $this->relation ", $where ) . ' )'; else $where = ''; @@ -712,49 +797,94 @@ class WP_Tax_Query { } /** - * Transforms a list of terms, from one field to another. + * Validates a single query. * - * @since 3.1.0 + * @since 3.2.0 * @access private * - * @param array &$terms The list of terms - * @param string $taxonomy The taxonomy of the terms - * @param string $field The initial field + * @param array &$query The single query + */ + private function clean_query( &$query ) { + if ( ! taxonomy_exists( $query['taxonomy'] ) ) { + $query = new WP_Error( 'Invalid taxonomy' ); + return; + } + + $query['terms'] = array_unique( (array) $query['terms'] ); + + if ( is_taxonomy_hierarchical( $query['taxonomy'] ) && $query['include_children'] ) { + $this->transform_query( $query, 'term_id' ); + + if ( is_wp_error( $query ) ) + return; + + $children = array(); + foreach ( $query['terms'] as $term ) { + $children = array_merge( $children, get_term_children( $term, $query['taxonomy'] ) ); + $children[] = $term; + } + $query['terms'] = $children; + } + + $this->transform_query( $query, 'term_taxonomy_id' ); + } + + /** + * Transforms a single query, from one field to another. + * + * @since 3.2.0 + * + * @param array &$query The single query * @param string $resulting_field The resulting field */ - function _transform_terms( &$terms, $taxonomy, $field, $resulting_field ) { + public function transform_query( &$query, $resulting_field ) { global $wpdb; - if ( empty( $terms ) ) + if ( empty( $query['terms'] ) ) return; - if ( $field == $resulting_field ) + if ( $query['field'] == $resulting_field ) return; - $resulting_field = esc_sql( $resulting_field ); + $resulting_field = sanitize_key( $resulting_field ); - switch ( $field ) { + switch ( $query['field'] ) { case 'slug': case 'name': - $terms = "'" . implode( "','", array_map( 'sanitize_title_for_query', $terms ) ) . "'"; + $terms = "'" . implode( "','", array_map( 'sanitize_title_for_query', $query['terms'] ) ) . "'"; $terms = $wpdb->get_col( " SELECT $wpdb->term_taxonomy.$resulting_field FROM $wpdb->term_taxonomy INNER JOIN $wpdb->terms USING (term_id) - WHERE taxonomy = '$taxonomy' - AND $wpdb->terms.$field IN ($terms) + WHERE taxonomy = '{$query['taxonomy']}' + AND $wpdb->terms.{$query['field']} IN ($terms) + " ); + break; + case 'term_taxonomy_id': + $terms = implode( ',', array_map( 'intval', $query['terms'] ) ); + $terms = $wpdb->get_col( " + SELECT $resulting_field + FROM $wpdb->term_taxonomy + WHERE term_taxonomy_id IN ($terms) " ); break; - default: - $terms = implode( ',', array_map( 'intval', $terms ) ); + $terms = implode( ',', array_map( 'intval', $query['terms'] ) ); $terms = $wpdb->get_col( " SELECT $resulting_field FROM $wpdb->term_taxonomy - WHERE taxonomy = '$taxonomy' + WHERE taxonomy = '{$query['taxonomy']}' AND term_id IN ($terms) " ); } + + if ( 'AND' == $query['operator'] && count( $terms ) < count( $query['terms'] ) ) { + $query = new WP_Error( 'Inexistent terms' ); + return; + } + + $query['terms'] = $terms; + $query['field'] = $resulting_field; } } @@ -798,7 +928,7 @@ class WP_Tax_Query { * @return mixed|null|WP_Error Term Row from database. Will return null if $term is empty. If taxonomy does not * exist then WP_Error will be returned. */ -function &get_term($term, $taxonomy, $output = OBJECT, $filter = 'raw') { +function get_term($term, $taxonomy, $output = OBJECT, $filter = 'raw') { global $wpdb; $null = null; @@ -808,7 +938,7 @@ function &get_term($term, $taxonomy, $output = OBJECT, $filter = 'raw') { } if ( ! taxonomy_exists($taxonomy) ) { - $error = new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); + $error = new WP_Error('invalid_taxonomy', __('Invalid taxonomy')); return $error; } @@ -818,9 +948,10 @@ function &get_term($term, $taxonomy, $output = OBJECT, $filter = 'raw') { } else { if ( is_object($term) ) $term = $term->term_id; - $term = (int) $term; + if ( !$term = (int) $term ) + return $null; if ( ! $_term = wp_cache_get($term, $taxonomy) ) { - $_term = $wpdb->get_row( $wpdb->prepare( "SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE tt.taxonomy = %s AND t.term_id = %s LIMIT 1", $taxonomy, $term) ); + $_term = $wpdb->get_row( $wpdb->prepare( "SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE tt.taxonomy = %s AND t.term_id = %d LIMIT 1", $taxonomy, $term) ); if ( ! $_term ) return $null; wp_cache_add($term, $_term, $taxonomy); @@ -864,7 +995,7 @@ function &get_term($term, $taxonomy, $output = OBJECT, $filter = 'raw') { * @uses sanitize_term() Cleanses the term based on $filter context before returning. * @see sanitize_term_field() The $context param lists the available values for get_term_by() $filter param. * - * @param string $field Either 'slug', 'name', or 'id' + * @param string $field Either 'slug', 'name', 'id' (term_id), or 'term_taxonomy_id' * @param string|int $value Search for this term value * @param string $taxonomy Taxonomy Name * @param string $output Constant OBJECT, ARRAY_A, or ARRAY_N @@ -884,10 +1015,16 @@ function get_term_by($field, $value, $taxonomy, $output = OBJECT, $filter = 'raw return false; } else if ( 'name' == $field ) { // Assume already escaped - $value = stripslashes($value); + $value = wp_unslash($value); $field = 't.name'; + } else if ( 'term_taxonomy_id' == $field ) { + $value = (int) $value; + $field = 'tt.term_taxonomy_id'; } else { - return get_term( (int) $value, $taxonomy, $output, $filter); + $term = get_term( (int) $value, $taxonomy, $output, $filter); + if ( is_wp_error( $term ) ) + $term = false; + return $term; } $term = $wpdb->get_row( $wpdb->prepare( "SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE tt.taxonomy = %s AND $field = %s LIMIT 1", $taxonomy, $value) ); @@ -933,7 +1070,7 @@ function get_term_by($field, $value, $taxonomy, $output = OBJECT, $filter = 'raw */ function get_term_children( $term_id, $taxonomy ) { if ( ! taxonomy_exists($taxonomy) ) - return new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); + return new WP_Error('invalid_taxonomy', __('Invalid taxonomy')); $term_id = intval( $term_id ); @@ -1045,19 +1182,19 @@ function get_term_to_edit( $id, $taxonomy ) { * hide_empty - Default is true. Will not return empty terms, which means * terms whose count is 0 according to the given taxonomy. * - * exclude - Default is an empty array. An array, comma- or space-delimited string - * of term ids to exclude from the return array. If 'include' is non-empty, + * exclude - Default is an empty array. An array, comma- or space-delimited string + * of term ids to exclude from the return array. If 'include' is non-empty, * 'exclude' is ignored. * - * exclude_tree - Default is an empty array. An array, comma- or space-delimited + * exclude_tree - Default is an empty array. An array, comma- or space-delimited * string of term ids to exclude from the return array, along with all of their - * descendant terms according to the primary taxonomy. If 'include' is non-empty, + * descendant terms according to the primary taxonomy. If 'include' is non-empty, * 'exclude_tree' is ignored. * - * include - Default is an empty array. An array, comma- or space-delimited string + * include - Default is an empty array. An array, comma- or space-delimited string * of term ids to include in the return array. * - * number - The maximum number of terms to return. Default is to return them all. + * number - The maximum number of terms to return. Default is to return them all. * * offset - The number by which to offset the terms query. * @@ -1071,30 +1208,38 @@ function get_term_to_edit( $id, $taxonomy ) { * (even if 'hide_empty' is set to true). * * search - Returned terms' names will contain the value of 'search', - * case-insensitive. Default is an empty string. + * case-insensitive. Default is an empty string. * - * name__like - Returned terms' names will begin with the value of 'name__like', + * name__like - Returned terms' names will contain the value of 'name__like', * case-insensitive. Default is empty string. * + * description__like - Returned terms' descriptions will contain the value of + * 'description__like', case-insensitive. Default is empty string. + * * The argument 'pad_counts', if set to true will include the quantity of a term's * children in the quantity of each term's "count" object variable. * * The 'get' argument, if set to 'all' instead of its default empty string, * returns terms regardless of ancestry or whether the terms are empty. * - * The 'child_of' argument, when used, should be set to the integer of a term ID. Its default - * is 0. If set to a non-zero value, all returned terms will be descendants - * of that term according to the given taxonomy. Hence 'child_of' is set to 0 + * The 'child_of' argument, when used, should be set to the integer of a term ID. Its default + * is 0. If set to a non-zero value, all returned terms will be descendants + * of that term according to the given taxonomy. Hence 'child_of' is set to 0 * if more than one taxonomy is passed in $taxonomies, because multiple taxonomies * make term ancestry ambiguous. * - * The 'parent' argument, when used, should be set to the integer of a term ID. Its default is + * The 'parent' argument, when used, should be set to the integer of a term ID. Its default is * the empty string '', which has a different meaning from the integer 0. * If set to an integer value, all returned terms will have as an immediate * ancestor the term whose ID is specified by that integer according to the given taxonomy. * The 'parent' argument is different from 'child_of' in that a term X is considered a 'parent' * of term Y only if term X is the father of term Y, not its grandfather or great-grandfather, etc. * + * The 'cache_domain' argument enables a unique cache key to be produced when this query is stored + * in object cache. For instance, if you are using one of this function's filters to modify the + * query (such as 'terms_clauses'), setting 'cache_domain' to a unique value will not overwrite + * the cache for similar queries. Default value is 'core'. + * * @package WordPress * @subpackage Taxonomy * @since 2.3.0 @@ -1106,19 +1251,17 @@ function get_term_to_edit( $id, $taxonomy ) { * @param string|array $args The values of what to search for when returning terms * @return array|WP_Error List of Term Objects and their children. Will return WP_Error, if any of $taxonomies do not exist. */ -function &get_terms($taxonomies, $args = '') { +function get_terms($taxonomies, $args = '') { global $wpdb; $empty_array = array(); - $single_taxonomy = false; - if ( !is_array($taxonomies) ) { - $single_taxonomy = true; - $taxonomies = array($taxonomies); - } + $single_taxonomy = ! is_array( $taxonomies ) || 1 === count( $taxonomies ); + if ( ! is_array( $taxonomies ) ) + $taxonomies = array( $taxonomies ); foreach ( $taxonomies as $taxonomy ) { if ( ! taxonomy_exists($taxonomy) ) { - $error = & new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); + $error = new WP_Error('invalid_taxonomy', __('Invalid taxonomy')); return $error; } } @@ -1126,12 +1269,12 @@ function &get_terms($taxonomies, $args = '') { $defaults = array('orderby' => 'name', 'order' => 'ASC', 'hide_empty' => true, 'exclude' => array(), 'exclude_tree' => array(), 'include' => array(), 'number' => '', 'fields' => 'all', 'slug' => '', 'parent' => '', - 'hierarchical' => true, 'child_of' => 0, 'get' => '', 'name__like' => '', - 'pad_counts' => false, 'offset' => '', 'search' => ''); + 'hierarchical' => true, 'child_of' => 0, 'get' => '', 'name__like' => '', 'description__like' => '', + 'pad_counts' => false, 'offset' => '', 'search' => '', 'cache_domain' => 'core' ); $args = wp_parse_args( $args, $defaults ); $args['number'] = absint( $args['number'] ); $args['offset'] = absint( $args['offset'] ); - if ( !$single_taxonomy || !is_taxonomy_hierarchical($taxonomies[0]) || + if ( !$single_taxonomy || ! is_taxonomy_hierarchical( reset( $taxonomies ) ) || '' !== $args['parent'] ) { $args['child_of'] = 0; $args['hierarchical'] = false; @@ -1150,24 +1293,24 @@ function &get_terms($taxonomies, $args = '') { extract($args, EXTR_SKIP); if ( $child_of ) { - $hierarchy = _get_term_hierarchy($taxonomies[0]); - if ( !isset($hierarchy[$child_of]) ) + $hierarchy = _get_term_hierarchy( reset( $taxonomies ) ); + if ( ! isset( $hierarchy[ $child_of ] ) ) return $empty_array; } if ( $parent ) { - $hierarchy = _get_term_hierarchy($taxonomies[0]); - if ( !isset($hierarchy[$parent]) ) + $hierarchy = _get_term_hierarchy( reset( $taxonomies ) ); + if ( ! isset( $hierarchy[ $parent ] ) ) return $empty_array; } // $args can be whatever, only use the args defined in defaults to compute the key $filter_key = ( has_filter('list_terms_exclusions') ) ? serialize($GLOBALS['wp_filter']['list_terms_exclusions']) : ''; $key = md5( serialize( compact(array_keys($defaults)) ) . serialize( $taxonomies ) . $filter_key ); - $last_changed = wp_cache_get('last_changed', 'terms'); - if ( !$last_changed ) { - $last_changed = time(); - wp_cache_set('last_changed', $last_changed, 'terms'); + $last_changed = wp_cache_get( 'last_changed', 'terms' ); + if ( ! $last_changed ) { + $last_changed = microtime(); + wp_cache_set( 'last_changed', $last_changed, 'terms' ); } $cache_key = "get_terms:$key:$last_changed"; $cache = wp_cache_get( $cache_key, 'terms' ); @@ -1189,80 +1332,90 @@ function &get_terms($taxonomies, $args = '') { $orderby = ''; elseif ( empty($_orderby) || 'id' == $_orderby ) $orderby = 't.term_id'; + else + $orderby = 't.name'; - $orderby = apply_filters( 'get_terms_orderby', $orderby, $args ); + $orderby = apply_filters( 'get_terms_orderby', $orderby, $args, $taxonomies ); if ( !empty($orderby) ) $orderby = "ORDER BY $orderby"; else $order = ''; + $order = strtoupper( $order ); + if ( '' !== $order && !in_array( $order, array( 'ASC', 'DESC' ) ) ) + $order = 'ASC'; + $where = "tt.taxonomy IN ('" . implode("', '", $taxonomies) . "')"; $inclusions = ''; - if ( !empty($include) ) { + if ( ! empty( $include ) ) { $exclude = ''; $exclude_tree = ''; - $interms = wp_parse_id_list($include); - foreach ( $interms as $interm ) { - if ( empty($inclusions) ) - $inclusions = ' AND ( t.term_id = ' . intval($interm) . ' '; - else - $inclusions .= ' OR t.term_id = ' . intval($interm) . ' '; - } + $inclusions = implode( ',', wp_parse_id_list( $include ) ); } - if ( !empty($inclusions) ) - $inclusions .= ')'; - $where .= $inclusions; + if ( ! empty( $inclusions ) ) { + $inclusions = ' AND t.term_id IN ( ' . $inclusions . ' )'; + $where .= $inclusions; + } $exclusions = ''; - if ( !empty( $exclude_tree ) ) { - $excluded_trunks = wp_parse_id_list($exclude_tree); - foreach ( $excluded_trunks as $extrunk ) { - $excluded_children = (array) get_terms($taxonomies[0], array('child_of' => intval($extrunk), 'fields' => 'ids', 'hide_empty' => 0)); - $excluded_children[] = $extrunk; - foreach( $excluded_children as $exterm ) { - if ( empty($exclusions) ) - $exclusions = ' AND ( t.term_id <> ' . intval($exterm) . ' '; - else - $exclusions .= ' AND t.term_id <> ' . intval($exterm) . ' '; - } + if ( ! empty( $exclude_tree ) ) { + $exclude_tree = wp_parse_id_list( $exclude_tree ); + $excluded_children = array(); + foreach ( $exclude_tree as $extrunk ) { + $excluded_children = array_merge( + $excluded_children, + (array) get_terms( $taxonomies[0], array( 'child_of' => intval( $extrunk ), 'fields' => 'ids', 'hide_empty' => 0 ) ) + ); } + $exclusions = implode( ',', array_map( 'intval', $excluded_children ) ); } - if ( !empty($exclude) ) { - $exterms = wp_parse_id_list($exclude); - foreach ( $exterms as $exterm ) { - if ( empty($exclusions) ) - $exclusions = ' AND ( t.term_id <> ' . intval($exterm) . ' '; - else - $exclusions .= ' AND t.term_id <> ' . intval($exterm) . ' '; - } + if ( ! empty( $exclude ) ) { + $exterms = wp_parse_id_list( $exclude ); + if ( empty( $exclusions ) ) + $exclusions = implode( ',', $exterms ); + else + $exclusions .= ', ' . implode( ',', $exterms ); } - if ( !empty($exclusions) ) - $exclusions .= ')'; - $exclusions = apply_filters('list_terms_exclusions', $exclusions, $args ); - $where .= $exclusions; + if ( ! empty( $exclusions ) ) + $exclusions = ' AND t.term_id NOT IN (' . $exclusions . ')'; + + $exclusions = apply_filters( 'list_terms_exclusions', $exclusions, $args, $taxonomies ); + + if ( ! empty( $exclusions ) ) + $where .= $exclusions; if ( !empty($slug) ) { $slug = sanitize_title($slug); $where .= " AND t.slug = '$slug'"; } - if ( !empty($name__like) ) - $where .= " AND t.name LIKE '" . like_escape( $name__like ) . "%'"; + if ( !empty($name__like) ) { + $name__like = like_escape( $name__like ); + $where .= $wpdb->prepare( " AND t.name LIKE %s", '%' . $name__like . '%' ); + } + + if ( ! empty( $description__like ) ) { + $description__like = like_escape( $description__like ); + $where .= $wpdb->prepare( " AND tt.description LIKE %s", '%' . $description__like . '%' ); + } if ( '' !== $parent ) { $parent = (int) $parent; $where .= " AND tt.parent = '$parent'"; } + if ( 'count' == $fields ) + $hierarchical = false; + if ( $hide_empty && !$hierarchical ) $where .= ' AND tt.count > 0'; // don't limit the query results when we have to descend the family tree - if ( ! empty($number) && ! $hierarchical && empty( $child_of ) && '' === $parent ) { + if ( $number && ! $hierarchical && ! $child_of && '' === $parent ) { if ( $offset ) $limits = 'LIMIT ' . $offset . ',' . $number; else @@ -1271,32 +1424,39 @@ function &get_terms($taxonomies, $args = '') { $limits = ''; } - if ( !empty($search) ) { - $search = like_escape($search); - $where .= " AND (t.name LIKE '%$search%')"; + if ( ! empty( $search ) ) { + $search = like_escape( $search ); + $where .= $wpdb->prepare( ' AND ((t.name LIKE %s) OR (t.slug LIKE %s))', '%' . $search . '%', '%' . $search . '%' ); } $selects = array(); switch ( $fields ) { case 'all': - $selects = array('t.*', 'tt.*'); + $selects = array( 't.*', 'tt.*' ); break; case 'ids': case 'id=>parent': - $selects = array('t.term_id', 'tt.parent', 'tt.count'); + $selects = array( 't.term_id', 'tt.parent', 'tt.count' ); break; case 'names': - $selects = array('t.term_id', 'tt.parent', 'tt.count', 't.name'); + $selects = array( 't.term_id', 'tt.parent', 'tt.count', 't.name' ); break; case 'count': $orderby = ''; $order = ''; - $selects = array('COUNT(*)'); + $selects = array( 'COUNT(*)' ); + break; + case 'id=>name': + $selects = array( 't.term_id', 't.name' ); + break; + case 'id=>slug': + $selects = array( 't.term_id', 't.slug' ); + break; } $_fields = $fields; - $fields = implode(', ', apply_filters( 'get_terms_fields', $selects, $args )); + $fields = implode( ', ', apply_filters( 'get_terms_fields', $selects, $args, $taxonomies ) ); $join = "INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id"; @@ -1320,27 +1480,27 @@ function &get_terms($taxonomies, $args = '') { } if ( empty($terms) ) { - wp_cache_add( $cache_key, array(), 'terms', 86400 ); // one day + wp_cache_add( $cache_key, array(), 'terms', DAY_IN_SECONDS ); $terms = apply_filters('get_terms', array(), $taxonomies, $args); return $terms; } if ( $child_of ) { - $children = _get_term_hierarchy($taxonomies[0]); - if ( ! empty($children) ) - $terms = & _get_term_children($child_of, $terms, $taxonomies[0]); + $children = _get_term_hierarchy( reset( $taxonomies ) ); + if ( ! empty( $children ) ) + $terms = _get_term_children( $child_of, $terms, reset( $taxonomies ) ); } // Update term counts to include children. if ( $pad_counts && 'all' == $fields ) - _pad_term_counts($terms, $taxonomies[0]); + _pad_term_counts( $terms, reset( $taxonomies ) ); // Make sure we show empty categories that have children. - if ( $hierarchical && $hide_empty && is_array($terms) ) { + if ( $hierarchical && $hide_empty && is_array( $terms ) ) { foreach ( $terms as $k => $term ) { if ( ! $term->count ) { - $children = _get_term_children($term->term_id, $terms, $taxonomies[0]); - if ( is_array($children) ) + $children = _get_term_children( $term->term_id, $terms, reset( $taxonomies ) ); + if ( is_array( $children ) ) foreach ( $children as $child ) if ( $child->count ) continue 2; @@ -1350,38 +1510,41 @@ function &get_terms($taxonomies, $args = '') { } } } - reset ( $terms ); + reset( $terms ); $_terms = array(); if ( 'id=>parent' == $fields ) { - while ( $term = array_shift($terms) ) + while ( $term = array_shift( $terms ) ) $_terms[$term->term_id] = $term->parent; - $terms = $_terms; } elseif ( 'ids' == $fields ) { - while ( $term = array_shift($terms) ) + while ( $term = array_shift( $terms ) ) $_terms[] = $term->term_id; - $terms = $_terms; } elseif ( 'names' == $fields ) { - while ( $term = array_shift($terms) ) + while ( $term = array_shift( $terms ) ) $_terms[] = $term->name; - $terms = $_terms; + } elseif ( 'id=>name' == $fields ) { + while ( $term = array_shift( $terms ) ) + $_terms[$term->term_id] = $term->name; + } elseif ( 'id=>slug' == $fields ) { + while ( $term = array_shift( $terms ) ) + $_terms[$term->term_id] = $term->slug; } - if ( 0 < $number && intval(@count($terms)) > $number ) { - $terms = array_slice($terms, $offset, $number); - } + if ( ! empty( $_terms ) ) + $terms = $_terms; + + if ( $number && is_array( $terms ) && count( $terms ) > $number ) + $terms = array_slice( $terms, $offset, $number ); - wp_cache_add( $cache_key, $terms, 'terms', 86400 ); // one day + wp_cache_add( $cache_key, $terms, 'terms', DAY_IN_SECONDS ); - $terms = apply_filters('get_terms', $terms, $taxonomies, $args); + $terms = apply_filters( 'get_terms', $terms, $taxonomies, $args ); return $terms; } /** * Check if Term exists. * - * Returns the index of a defined term, or 0 (false) if the term doesn't exist. - * * Formerly is_term(), introduced in 2.3.0. * * @package WordPress @@ -1393,7 +1556,8 @@ function &get_terms($taxonomies, $args = '') { * @param int|string $term The term to check * @param string $taxonomy The taxonomy name to use * @param int $parent ID of parent term under which to confine the exists search. - * @return mixed Get the term id or Term Object, if exists. + * @return mixed Returns 0 if the term does not exist. Returns the term ID if no taxonomy is specified + * and the term ID exists. Returns an array of the term ID and the taxonomy if the pairing exists. */ function term_exists($term, $taxonomy = '', $parent = 0) { global $wpdb; @@ -1411,7 +1575,7 @@ function term_exists($term, $taxonomy = '', $parent = 0) { return $wpdb->get_var( $wpdb->prepare( $select . $where, $term ) ); } - $term = trim( stripslashes( $term ) ); + $term = trim( wp_unslash( $term ) ); if ( '' === $slug = sanitize_title($term) ) return 0; @@ -1444,10 +1608,36 @@ function term_exists($term, $taxonomy = '', $parent = 0) { return $wpdb->get_var( $wpdb->prepare("SELECT term_id FROM $wpdb->terms as t WHERE $else_where", $else_where_fields) ); } +/** + * Check 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 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 ), $taxonomy ); +} + /** * Sanitize Term all fields. * - * Relys on sanitize_term_field() to sanitize the term. The difference is that + * Relies on sanitize_term_field() to sanitize the term. The difference is that * this function will sanitize all fields. The context is based * on sanitize_term_field(). * @@ -1576,7 +1766,7 @@ function sanitize_term_field($field, $value, $term_id, $taxonomy, $context) { * * @param string $taxonomy Taxonomy name * @param array|string $args Overwrite defaults. See get_terms() - * @return int How many terms are in $taxonomy + * @return int|WP_Error How many terms are in $taxonomy. WP_Error if $taxonomy does not exist. */ function wp_count_terms( $taxonomy, $args = array() ) { $defaults = array('hide_empty' => false); @@ -1603,26 +1793,21 @@ function wp_count_terms( $taxonomy, $args = array() ) { * @package WordPress * @subpackage Taxonomy * @since 2.3.0 - * @uses $wpdb + * @uses wp_remove_object_terms() * * @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 ) { - global $wpdb; - $object_id = (int) $object_id; if ( !is_array($taxonomies) ) $taxonomies = array($taxonomies); foreach ( (array) $taxonomies as $taxonomy ) { - $tt_ids = wp_get_object_terms($object_id, $taxonomy, array('fields' => 'tt_ids')); - $in_tt_ids = "'" . implode("', '", $tt_ids) . "'"; - do_action( 'delete_term_relationships', $object_id, $tt_ids ); - $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_tt_ids)", $object_id) ); - do_action( 'deleted_term_relationships', $object_id, $tt_ids ); - wp_update_term_count($tt_ids, $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 ); } } @@ -1643,8 +1828,8 @@ function wp_delete_object_term_relationships( $object_id, $taxonomies ) { * * @uses $wpdb * @uses do_action() Calls both 'delete_term' and 'delete_$taxonomy' action - * hooks, passing term object, term id. 'delete_term' gets an additional - * parameter with the $taxonomy parameter. + * hooks, passing term ID, term taxonomy ID, and deleted term object. 'delete_term' + * also gets taxonomy as the third parameter. * * @param int $term Term ID * @param string $taxonomy Taxonomy Name @@ -1713,18 +1898,21 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) { foreach ( $tax_object->object_type as $object_type ) clean_object_term_cache( $objects, $object_type ); + // Get the object before deletion so we can pass to actions below + $deleted_term = get_term( $term, $taxonomy ); + do_action( 'delete_term_taxonomy', $tt_id ); - $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $tt_id ) ); + $wpdb->delete( $wpdb->term_taxonomy, array( 'term_taxonomy_id' => $tt_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->query( $wpdb->prepare( "DELETE FROM $wpdb->terms WHERE term_id = %d", $term) ); + $wpdb->delete( $wpdb->terms, array( 'term_id' => $term ) ); clean_term_cache($term, $taxonomy); - do_action('delete_term', $term, $tt_id, $taxonomy); - do_action("delete_$taxonomy", $term, $tt_id); + do_action( 'delete_term', $term, $tt_id, $taxonomy, $deleted_term ); + do_action( "delete_$taxonomy", $term, $tt_id, $deleted_term ); return true; } @@ -1736,7 +1924,7 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) { * @uses wp_delete_term() * * @param int $cat_ID - * @return mixed Returns true if completes delete action; false if term doesnt exist; + * @return mixed 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 ) { @@ -1761,7 +1949,7 @@ function wp_delete_category( $cat_ID ) { * 'all_with_object_id'. * * The fields argument also decides what will be returned. If 'all' or - * 'all_with_object_id' is choosen or the default kept intact, then all matching + * 'all_with_object_id' is chosen or the default kept intact, then all matching * terms objects will be returned. If either 'ids' or 'names' is used, then an * array of all matching term ids or term names will be returned respectively. * @@ -1773,17 +1961,20 @@ function wp_delete_category( $cat_ID ) { * @param int|array $object_ids The ID(s) of the object(s) to retrieve. * @param string|array $taxonomies The taxonomies to retrieve terms from. * @param array|string $args Change what is returned - * @return array|WP_Error The requested term data or empty array if no terms found. WP_Error if $taxonomy does not exist. + * @return array|WP_Error The requested term data or empty array if no terms found. WP_Error if any of the $taxonomies don't exist. */ function wp_get_object_terms($object_ids, $taxonomies, $args = array()) { global $wpdb; + if ( empty( $object_ids ) || empty( $taxonomies ) ) + return array(); + if ( !is_array($taxonomies) ) $taxonomies = array($taxonomies); foreach ( (array) $taxonomies as $taxonomy ) { if ( ! taxonomy_exists($taxonomy) ) - return new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); + return new WP_Error('invalid_taxonomy', __('Invalid taxonomy')); } if ( !is_array($object_ids) ) @@ -1834,6 +2025,10 @@ function wp_get_object_terms($object_ids, $taxonomies, $args = array()) { if ( !empty($orderby) ) $orderby = "ORDER BY $orderby"; + $order = strtoupper( $order ); + if ( '' !== $order && ! in_array( $order, array( 'ASC', 'DESC' ) ) ) + $order = 'ASC'; + $taxonomies = "'" . implode("', '", $taxonomies) . "'"; $object_ids = implode(', ', $object_ids); @@ -1844,6 +2039,8 @@ function wp_get_object_terms($object_ids, $taxonomies, $args = array()) { $select_this = 't.term_id'; else if ( 'names' == $fields ) $select_this = 't.name'; + else if ( 'slugs' == $fields ) + $select_this = 't.slug'; else if ( 'all_with_object_id' == $fields ) $select_this = 't.*, tt.*, tr.object_id'; @@ -1852,7 +2049,7 @@ function wp_get_object_terms($object_ids, $taxonomies, $args = array()) { if ( 'all' == $fields || 'all_with_object_id' == $fields ) { $terms = array_merge($terms, $wpdb->get_results($query)); update_term_cache($terms); - } else if ( 'ids' == $fields || 'names' == $fields ) { + } else if ( 'ids' == $fields || 'names' == $fields || 'slugs' == $fields ) { $terms = array_merge($terms, $wpdb->get_col($query)); } else if ( 'tt_ids' == $fields ) { $terms = $wpdb->get_col("SELECT tr.term_taxonomy_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tr.object_id IN ($object_ids) AND tt.taxonomy IN ($taxonomies) $orderby $order"); @@ -1865,57 +2062,49 @@ function wp_get_object_terms($object_ids, $taxonomies, $args = array()) { } /** - * Adds a new term to the database. Optionally marks it as an alias of an existing term. - * - * Error handling is assigned for the nonexistance of the $taxonomy and $term - * parameters before inserting. If both the term id and taxonomy exist - * previously, then an array will be returned that contains the term id and the - * contents of what is returned. The keys of the array are 'term_id' and - * 'term_taxonomy_id' containing numeric values. + * Add a new term to the database. * - * It is assumed that the term does not yet exist or the above will apply. The - * term will be first added to the term table and then related to the taxonomy - * if everything is well. If everything is correct, then several actions will be - * run prior to a filter and then several actions will be run after the filter - * is run. + * 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. * - * The arguments decide how the term is handled based on the $args parameter. - * The following is a list of the available overrides and the defaults. + * 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. * - * 'alias_of'. There is no default, but if added, expected is the slug that the - * term will be an alias of. Expected to be a string. - * - * 'description'. There is no default. If exists, will be added to the database - * along with the term. Expected to be a string. - * - * 'parent'. Expected to be numeric and default is 0 (zero). Will assign value - * of 'parent' to the term. - * - * 'slug'. Expected to be a string. There is no default. + * 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 'slug' argument exists then the slug will be checked to see if it is not - * a valid term. If that check succeeds (it is not a valid term), then it is - * added and the term id is given. If it fails, then a check is made to whether - * the taxonomy is hierarchical and the parent argument is not empty. If the - * second check succeeds, the term will be inserted and the term id will be - * given. + * 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. * - * @package WordPress - * @subpackage Taxonomy + * @global wpdb $wpdb The WordPress database object. + * @since 2.3.0 - * @uses $wpdb * - * @uses apply_filters() Calls 'pre_insert_term' hook with term and taxonomy as parameters. - * @uses do_action() Calls 'create_term' hook with the term id and taxonomy id as parameters. - * @uses do_action() Calls 'create_$taxonomy' hook with term id and taxonomy id as parameters. - * @uses apply_filters() Calls 'term_id_filter' hook with term id and taxonomy id as parameters. - * @uses do_action() Calls 'created_term' hook with the term id and taxonomy id as parameters. - * @uses do_action() Calls 'created_$taxonomy' hook with term id and taxonomy id as parameters. - * - * @param string $term The term to add or update. - * @param string $taxonomy The taxonomy to which to add the term - * @param array|string $args Change the values of the inserted term - * @return array|WP_Error The Term ID and Term Taxonomy ID + * @param string $term The term to add or update. + * @param string $taxonomy The taxonomy to which to add the term + * @param array|string $args { + * Arguments to change values of the inserted 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_insert_term( $term, $taxonomy, $args = array() ) { global $wpdb; @@ -1941,8 +2130,8 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) { extract($args, EXTR_SKIP); // expected_slashed ($name) - $name = stripslashes($name); - $description = stripslashes($description); + $name = wp_unslash($name); + $description = wp_unslash($description); if ( empty($slug) ) $slug = sanitize_title($name); @@ -1956,9 +2145,9 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) { } else { // The alias isn't in a group, so let's create a new one and firstly add the alias term to it. $term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms") + 1; - do_action( 'edit_terms', $alias->term_id ); + do_action( 'edit_terms', $alias->term_id, $taxonomy ); $wpdb->update($wpdb->terms, compact('term_group'), array('term_id' => $alias->term_id) ); - do_action( 'edited_terms', $alias->term_id ); + do_action( 'edited_terms', $alias->term_id, $taxonomy ); } } @@ -1997,9 +2186,9 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) { // Seems unreachable, However, Is used in the case that a term name is provided, which sanitizes to an empty string. if ( empty($slug) ) { $slug = sanitize_title($slug, $term_id); - do_action( 'edit_terms', $term_id ); + do_action( 'edit_terms', $term_id, $taxonomy ); $wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) ); - do_action( 'edited_terms', $term_id ); + 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 ) ); @@ -2037,7 +2226,7 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) { * @package WordPress * @subpackage Taxonomy * @since 2.3.0 - * @uses $wpdb + * @uses wp_remove_object_terms() * * @param int $object_id The object to relate to. * @param array|int|string $terms The slug or id of the term, will replace all existing @@ -2052,7 +2241,7 @@ function wp_set_object_terms($object_id, $terms, $taxonomy, $append = false) { $object_id = (int) $object_id; if ( ! taxonomy_exists($taxonomy) ) - return new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); + return new WP_Error('invalid_taxonomy', __('Invalid taxonomy')); if ( !is_array($terms) ) $terms = array($terms); @@ -2064,6 +2253,7 @@ function wp_set_object_terms($object_id, $terms, $taxonomy, $append = false) { $tt_ids = array(); $term_ids = array(); + $new_tt_ids = array(); foreach ( (array) $terms as $term) { if ( !strlen(trim($term)) ) @@ -2086,18 +2276,24 @@ function wp_set_object_terms($object_id, $terms, $taxonomy, $append = false) { do_action( 'add_term_relationship', $object_id, $tt_id ); $wpdb->insert( $wpdb->term_relationships, array( 'object_id' => $object_id, 'term_taxonomy_id' => $tt_id ) ); do_action( 'added_term_relationship', $object_id, $tt_id ); + $new_tt_ids[] = $tt_id; } - wp_update_term_count($tt_ids, $taxonomy); + if ( $new_tt_ids ) + wp_update_term_count( $new_tt_ids, $taxonomy ); if ( ! $append ) { - $delete_terms = array_diff($old_tt_ids, $tt_ids); - if ( $delete_terms ) { - $in_delete_terms = "'" . implode("', '", $delete_terms) . "'"; - do_action( 'delete_term_relationships', $object_id, $delete_terms ); - $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_delete_terms)", $object_id) ); - do_action( 'deleted_term_relationships', $object_id, $delete_terms ); - wp_update_term_count($delete_terms, $taxonomy); + $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 $remove; + } } } @@ -2110,13 +2306,96 @@ function wp_set_object_terms($object_id, $terms, $taxonomy, $append = false) { if ( in_array($tt_id, $final_tt_ids) ) $values[] = $wpdb->prepare( "(%d, %d, %d)", $object_id, $tt_id, ++$term_order); if ( $values ) - $wpdb->query("INSERT INTO $wpdb->term_relationships (object_id, term_taxonomy_id, term_order) VALUES " . join(',', $values) . " ON DUPLICATE KEY UPDATE term_order = VALUES(term_order)"); + if ( false === $wpdb->query( "INSERT INTO $wpdb->term_relationships (object_id, term_taxonomy_id, term_order) VALUES " . join( ',', $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' ); + do_action('set_object_terms', $object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids); return $tt_ids; } +/** + * Add term(s) associated with a given object. + * + * @package WordPress + * @subpackage Taxonomy + * @since 3.6 + * @uses wp_set_object_terms() + * + * @param int $object_id The ID of the object to which the terms will be added. + * @param array|int|string $terms The slug(s) or ID(s) of the term(s) to add. + * @param array|string $taxonomy Taxonomy name. + * @return array|WP_Error Affected Term IDs + */ +function wp_add_object_terms( $object_id, $terms, $taxonomy ) { + return wp_set_object_terms( $object_id, $terms, $taxonomy, true ); +} + +/** + * Remove term(s) associated with a given object. + * + * @package WordPress + * @subpackage Taxonomy + * @since 3.6 + * @uses $wpdb + * + * @uses apply_filters() Calls 'delete_term_relationships' hook with object_id and tt_ids as parameters. + * @uses apply_filters() Calls 'deleted_term_relationships' hook with object_id and tt_ids as parameters. + * + * @param int $object_id The ID of the object from which the terms will be removed. + * @param array|int|string $terms The slug(s) or ID(s) of the term(s) to remove. + * @param array|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 ( ! strlen( trim( $term ) ) ) { + continue; + } + + if ( ! $term_info = term_exists( $term, $taxonomy ) ) { + // 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 ) . "'"; + do_action( 'delete_term_relationships', $object_id, $tt_ids ); + $deleted = $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_tt_ids)", $object_id ) ); + do_action( 'deleted_term_relationships', $object_id, $tt_ids ); + wp_update_term_count( $tt_ids, $taxonomy ); + + return (bool) $deleted; + } + + return false; +} + /** * Will make slug unique, if it isn't already. * @@ -2128,7 +2407,7 @@ function wp_set_object_terms($object_id, $terms, $taxonomy, $append = false) { * hierarchical and has a parent, it will append that parent to the $slug. * * If that still doesn't return an unique slug, then it try to append a number - * until it finds a number that is truely unique. + * until it finds a number that is truly unique. * * The only purpose for $term is for appending a parent, if one exists. * @@ -2166,8 +2445,8 @@ function wp_unique_term_slug($slug, $term) { } // If we didn't get a unique slug, try appending a number to make it unique. - if ( !empty($args['term_id']) ) - $query = $wpdb->prepare( "SELECT slug FROM $wpdb->terms WHERE slug = %s AND term_id != %d", $slug, $args['term_id'] ); + 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 ); @@ -2234,7 +2513,7 @@ function wp_update_term( $term_id, $taxonomy, $args = array() ) { return $term; // Escape data pulled from DB. - $term = add_magic_quotes($term); + $term = wp_slash($term); // Merge old and new args with new args overwriting old ones. $args = array_merge($term, $args); @@ -2245,8 +2524,8 @@ function wp_update_term( $term_id, $taxonomy, $args = array() ) { extract($args, EXTR_SKIP); // expected_slashed ($name) - $name = stripslashes($name); - $description = stripslashes($description); + $name = wp_unslash($name); + $description = wp_unslash($description); if ( '' == trim($name) ) return new WP_Error('empty_term_name', __('A name is required for this term')); @@ -2265,9 +2544,9 @@ function wp_update_term( $term_id, $taxonomy, $args = array() ) { } else { // The alias isn't in a group, so let's create a new one and firstly add the alias term to it. $term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms") + 1; - do_action( 'edit_terms', $alias->term_id ); + do_action( 'edit_terms', $alias->term_id, $taxonomy ); $wpdb->update( $wpdb->terms, compact('term_group'), array( 'term_id' => $alias->term_id ) ); - do_action( 'edited_terms', $alias->term_id ); + do_action( 'edited_terms', $alias->term_id, $taxonomy ); } } @@ -2284,13 +2563,13 @@ function wp_update_term( $term_id, $taxonomy, $args = array() ) { else return new WP_Error('duplicate_term_slug', sprintf(__('The slug “%s” is already in use by another term'), $slug)); } - do_action( 'edit_terms', $term_id ); + do_action( 'edit_terms', $term_id, $taxonomy ); $wpdb->update($wpdb->terms, compact( 'name', 'slug', 'term_group' ), compact( 'term_id' ) ); if ( empty($slug) ) { $slug = sanitize_title($name, $term_id); $wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) ); } - do_action( 'edited_terms', $term_id ); + 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) ); do_action( 'edit_term_taxonomy', $tt_id, $taxonomy ); @@ -2334,7 +2613,7 @@ function wp_defer_term_counting($defer=null) { /** * Updates the amount of terms in taxonomy. * - * If there is a taxonomy callback applyed, then it will be called for updating + * 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 @@ -2393,14 +2672,19 @@ function wp_update_term_count_now( $terms, $taxonomy ) { if ( !empty($taxonomy->update_count_callback) ) { call_user_func($taxonomy->update_count_callback, $terms, $taxonomy); } else { - // Default count updater - foreach ( (array) $terms as $term) { - $count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $term) ); - do_action( 'edit_term_taxonomy', $term, $taxonomy ); - $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) ); - do_action( 'edited_term_taxonomy', $term, $taxonomy ); + $object_types = (array) $taxonomy->object_type; + foreach ( $object_types as &$object_type ) { + if ( 0 === strpos( $object_type, 'attachment:' ) ) + list( $object_type ) = explode( ':', $object_type ); } + if ( $object_types == array_filter( $object_types, 'post_type_exists' ) ) { + // 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); @@ -2412,7 +2696,6 @@ function wp_update_term_count_now( $terms, $taxonomy ) { // Cache // - /** * Removes the taxonomy relationship to terms from the cache. * @@ -2435,14 +2718,15 @@ function clean_object_term_cache($object_ids, $object_type) { if ( !is_array($object_ids) ) $object_ids = array($object_ids); + $taxonomies = get_object_taxonomies( $object_type ); + foreach ( $object_ids as $id ) - foreach ( get_object_taxonomies($object_type) as $taxonomy ) + foreach ( $taxonomies as $taxonomy ) wp_cache_delete($id, "{$taxonomy}_relationships"); do_action('clean_object_term_cache', $object_ids, $object_type); } - /** * Will remove all of the term ids from the cache. * @@ -2500,10 +2784,9 @@ function clean_term_cache($ids, $taxonomy = '', $clean_taxonomy = true) { do_action('clean_term_cache', $ids, $taxonomy); } - wp_cache_set('last_changed', time(), 'terms'); + wp_cache_set( 'last_changed', microtime(), 'terms' ); } - /** * Retrieves the taxonomy relationship to the term object id. * @@ -2517,12 +2800,11 @@ function clean_term_cache($ids, $taxonomy = '', $clean_taxonomy = true) { * @param string $taxonomy Taxonomy Name * @return bool|array Empty array if $terms found, but not $taxonomy. False if nothing is in cache for $taxonomy and $id. */ -function &get_object_term_cache($id, $taxonomy) { +function get_object_term_cache($id, $taxonomy) { $cache = wp_cache_get($id, "{$taxonomy}_relationships"); return $cache; } - /** * Updates the cache for Term ID(s). * @@ -2576,7 +2858,7 @@ function update_object_term_cache($object_ids, $object_type) { $object_terms[$term->object_id][$term->taxonomy][$term->term_id] = $term; foreach ( $ids as $id ) { - foreach ( $taxonomies as $taxonomy ) { + foreach ( $taxonomies as $taxonomy ) { if ( ! isset($object_terms[$id][$taxonomy]) ) { if ( !isset($object_terms[$id]) ) $object_terms[$id] = array(); @@ -2587,12 +2869,11 @@ function update_object_term_cache($object_ids, $object_type) { foreach ( $object_terms as $id => $value ) { foreach ( $value as $taxonomy => $terms ) { - wp_cache_set($id, $terms, "{$taxonomy}_relationships"); + wp_cache_add( $id, $terms, "{$taxonomy}_relationships" ); } } } - /** * Updates Terms to Taxonomy in cache. * @@ -2617,7 +2898,6 @@ function update_term_cache($terms, $taxonomy = '') { // Private // - /** * Retrieves children of taxonomy as Term IDs. * @@ -2650,7 +2930,6 @@ function _get_term_hierarchy($taxonomy) { return $children; } - /** * Get the subset of $terms that are descendants of $term_id. * @@ -2667,7 +2946,7 @@ function _get_term_hierarchy($taxonomy) { * @param string $taxonomy The taxonomy which determines the hierarchy of the terms. * @return array The subset of $terms that are descendants of $term_id. */ -function &_get_term_children($term_id, $terms, $taxonomy) { +function _get_term_children($term_id, $terms, $taxonomy) { $empty_array = array(); if ( empty($terms) ) return $empty_array; @@ -2707,7 +2986,6 @@ function &_get_term_children($term_id, $terms, $taxonomy) { return $term_list; } - /** * Add count of children to parent count. * @@ -2755,8 +3033,8 @@ function _pad_term_counts(&$terms, $taxonomy) { // Touch every ancestor's lookup row for each post in each term foreach ( $term_ids as $term_id ) { $child = $term_id; - while ( $parent = $terms_by_id[$child]->parent ) { - if ( !empty($term_items[$term_id]) ) + while ( !empty( $terms_by_id[$child] ) && $parent = $terms_by_id[$child]->parent ) { + 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][$item_id]: 1; } @@ -2792,17 +3070,61 @@ function _pad_term_counts(&$terms, $taxonomy) { function _update_post_term_count( $terms, $taxonomy ) { global $wpdb; - $object_types = is_array($taxonomy->object_type) ? $taxonomy->object_type : array($taxonomy->object_type); - $object_types = esc_sql($object_types); + $object_types = (array) $taxonomy->object_type; + + foreach ( $object_types as &$object_type ) + list( $object_type ) = explode( ':', $object_type ); + + $object_types = array_unique( $object_types ); + + if ( false !== ( $check_attachments = array_search( 'attachment', $object_types ) ) ) { + unset( $object_types[ $check_attachments ] ); + $check_attachments = true; + } + + if ( $object_types ) + $object_types = esc_sql( array_filter( $object_types, 'post_type_exists' ) ); foreach ( (array) $terms as $term ) { - $count = $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 = 'publish' AND post_type IN ('" . implode("', '", $object_types) . "') AND term_taxonomy_id = %d", $term ) ); + $count = 0; + + // Attachments can be 'inherit' status, we need to base count off the parent's status if so + if ( $check_attachments ) + $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 = 'publish' OR ( post_status = 'inherit' AND post_parent > 0 AND ( SELECT post_status FROM $wpdb->posts WHERE ID = p1.post_parent ) = 'publish' ) ) AND post_type = 'attachment' AND term_taxonomy_id = %d", $term ) ); + + if ( $object_types ) + $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 = 'publish' AND post_type IN ('" . implode("', '", $object_types ) . "') AND term_taxonomy_id = %d", $term ) ); + do_action( 'edit_term_taxonomy', $term, $taxonomy ); $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) ); do_action( 'edited_term_taxonomy', $term, $taxonomy ); } } +/** + * Will update term count based on number of objects. + * + * Default callback for the link_category taxonomy. + * + * @package WordPress + * @subpackage Taxonomy + * @since 3.3.0 + * @uses $wpdb + * + * @param array $terms List of Term taxonomy IDs + * @param object $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 ) ); + + do_action( 'edit_term_taxonomy', $term, $taxonomy ); + $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) ); + do_action( 'edited_term_taxonomy', $term, $taxonomy ); + } +} /** * Generates a permalink for a taxonomy term archive. @@ -2822,9 +3144,9 @@ function get_term_link( $term, $taxonomy = '') { if ( !is_object($term) ) { if ( is_int($term) ) { - $term = &get_term($term, $taxonomy); + $term = get_term($term, $taxonomy); } else { - $term = &get_term_by('slug', $term, $taxonomy); + $term = get_term_by('slug', $term, $taxonomy); } } @@ -2842,7 +3164,9 @@ function get_term_link( $term, $taxonomy = '') { $t = get_taxonomy($taxonomy); if ( empty($termlink) ) { - if ( $t->query_var ) + if ( 'category' == $taxonomy ) + $termlink = '?cat=' . $term->term_id; + elseif ( $t->query_var ) $termlink = "?$t->query_var=$slug"; else $termlink = "?taxonomy=$taxonomy&term=$slug"; @@ -2919,10 +3243,7 @@ function the_taxonomies($args = array()) { * @return array */ function get_the_taxonomies($post = 0, $args = array() ) { - if ( is_int($post) ) - $post =& get_post($post); - elseif ( !is_object($post) ) - $post =& $GLOBALS['post']; + $post = get_post( $post ); $args = wp_parse_args( $args, array( 'template' => '%s: %l.', @@ -2944,7 +3265,7 @@ function get_the_taxonomies($post = 0, $args = array() ) { $t['template'] = $template; $terms = get_object_term_cache($post->ID, $taxonomy); - if ( empty($terms) ) + if ( false === $terms ) $terms = wp_get_object_terms($post->ID, $taxonomy, $t['args']); $links = array(); @@ -2968,7 +3289,7 @@ function get_the_taxonomies($post = 0, $args = array() ) { * @return array */ function get_post_taxonomies($post = 0) { - $post =& get_post($post); + $post = get_post( $post ); return get_object_taxonomies($post); } @@ -2986,7 +3307,7 @@ function get_post_taxonomies($post = 0) { * * @param int $object_id ID of the object (post ID, link ID, ...) * @param string $taxonomy Single taxonomy name - * @param int|string|array $terms Optional. Term term_id, name, slug or array of said + * @param int|string|array $terms Optional. Term term_id, name, slug or array of said * @return bool|WP_Error. WP_Error on input error. */ function is_object_in_term( $object_id, $taxonomy, $terms = null ) { @@ -2994,7 +3315,7 @@ function is_object_in_term( $object_id, $taxonomy, $terms = null ) { return new WP_Error( 'invalid_object', __( 'Invalid object ID' ) ); $object_terms = get_object_term_cache( $object_id, $taxonomy ); - if ( empty( $object_terms ) ) + if ( false === $object_terms ) $object_terms = wp_get_object_terms( $object_id, $taxonomy ); if ( is_wp_error( $object_terms ) ) @@ -3067,16 +3388,8 @@ function get_ancestors($object_id = 0, $object_type = '') { $ancestors[] = (int) $term->parent; $term = get_term($term->parent, $object_type); } - } elseif ( null !== get_post_type_object( $object_type ) ) { - $object = get_post($object_id); - if ( ! is_wp_error( $object ) && isset( $object->ancestors ) && is_array( $object->ancestors ) ) - $ancestors = $object->ancestors; - else { - while ( ! is_wp_error($object) && ! empty( $object->post_parent ) && ! in_array( $object->post_parent, $ancestors ) ) { - $ancestors[] = (int) $object->post_parent; - $object = get_post($object->post_parent); - } - } + } elseif ( post_type_exists( $object_type ) ) { + $ancestors = get_post_ancestors($object_id); } return apply_filters('get_ancestors', $ancestors, $object_id, $object_type); @@ -3132,7 +3445,7 @@ function wp_check_term_hierarchy_for_loops( $parent, $term_id, $taxonomy ) { if ( isset( $loop[$term_id] ) ) return 0; - // There's a loop, but it doesn't contain $term_id. Break the loop. + // 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 ) );