X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/76aea3697c6043c1613370f172395b4f65ee71f0..refs/tags/wordpress-2.9.2-scripts:/wp-includes/taxonomy.php diff --git a/wp-includes/taxonomy.php b/wp-includes/taxonomy.php index e8da100c..98282027 100644 --- a/wp-includes/taxonomy.php +++ b/wp-includes/taxonomy.php @@ -1,8 +1,10 @@ 'category', 'object_type' => 'post', 'hierarchical' => true, 'update_count_callback' => '_update_post_term_count'); -$wp_taxonomies['post_tag'] = (object) array('name' => 'post_tag', 'object_type' => 'post', 'hierarchical' => false, 'update_count_callback' => '_update_post_term_count'); -$wp_taxonomies['link_category'] = (object) array('name' => 'link_category', 'object_type' => 'link', 'hierarchical' => false); +function create_initial_taxonomies() { + register_taxonomy( 'category', 'post', array('hierarchical' => true, 'update_count_callback' => '_update_post_term_count', 'label' => __('Categories'), 'query_var' => false, 'rewrite' => false) ) ; + register_taxonomy( 'post_tag', 'post', array('hierarchical' => false, 'update_count_callback' => '_update_post_term_count', 'label' => __('Post Tags'), 'query_var' => false, 'rewrite' => false) ) ; + register_taxonomy( 'link_category', 'link', array('hierarchical' => false, 'label' => __('Categories'), 'query_var' => false, 'rewrite' => false) ) ; +} +add_action( 'init', 'create_initial_taxonomies', 0 ); // highest priority /** * Return all of the taxonomy names that are of $object_type. @@ -30,7 +32,7 @@ $wp_taxonomies['link_category'] = (object) array('name' => 'link_category', 'obj * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wp_taxonomies * @@ -49,7 +51,7 @@ function get_object_taxonomies($object) { $object = (array) $object; $taxonomies = array(); - foreach ( $wp_taxonomies as $taxonomy ) { + foreach ( (array) $wp_taxonomies as $taxonomy ) { if ( array_intersect($object, (array) $taxonomy->object_type) ) $taxonomies[] = $taxonomy->name; } @@ -65,7 +67,7 @@ function get_object_taxonomies($object) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wp_taxonomies * @uses is_taxonomy() Checks whether taxonomy exists @@ -87,7 +89,7 @@ function get_taxonomy( $taxonomy ) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wp_taxonomies * @@ -110,7 +112,7 @@ function is_taxonomy( $taxonomy ) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses is_taxonomy() Checks whether taxonomy exists * @uses get_taxonomy() Used to get the taxonomy object @@ -153,7 +155,7 @@ function is_taxonomy_hierarchical($taxonomy) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * @uses $wp_taxonomies Inserts new taxonomy object into the list * @uses $wp_rewrite Adds rewrite tags and permastructs * @uses $wp Adds query vars @@ -165,6 +167,9 @@ function is_taxonomy_hierarchical($taxonomy) { function register_taxonomy( $taxonomy, $object_type, $args = array() ) { global $wp_taxonomies, $wp_rewrite, $wp; + if (!is_array($wp_taxonomies)) + $wp_taxonomies = array(); + $defaults = array('hierarchical' => false, 'update_count_callback' => '', 'rewrite' => true, 'query_var' => true); $args = wp_parse_args($args, $defaults); @@ -210,7 +215,7 @@ function register_taxonomy( $taxonomy, $object_type, $args = array() ) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wpdb * @uses wp_parse_args() Creates an array from string $args. @@ -230,7 +235,7 @@ function get_objects_in_term( $terms, $taxonomies, $args = array() ) { if ( !is_array($taxonomies) ) $taxonomies = array($taxonomies); - foreach ( $taxonomies as $taxonomy ) { + foreach ( (array) $taxonomies as $taxonomy ) { if ( ! is_taxonomy($taxonomy) ) return new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); } @@ -281,7 +286,7 @@ function get_objects_in_term( $terms, $taxonomies, $args = array() ) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wpdb * @uses sanitize_term() Cleanses the term based on $filter context before returning. @@ -296,20 +301,29 @@ function get_objects_in_term( $terms, $taxonomies, $args = array() ) { */ function &get_term($term, $taxonomy, $output = OBJECT, $filter = 'raw') { global $wpdb; + $null = null; - if ( empty($term) ) - return null; + if ( empty($term) ) { + $error = new WP_Error('invalid_term', __('Empty Term')); + return $error; + } - if ( ! is_taxonomy($taxonomy) ) - return new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); + if ( ! is_taxonomy($taxonomy) ) { + $error = new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); + return $error; + } - if ( is_object($term) ) { + if ( is_object($term) && empty($term->filter) ) { wp_cache_add($term->term_id, $term, $taxonomy); $_term = $term; } else { + if ( is_object($term) ) + $term = $term->term_id; $term = (int) $term; 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) ); + if ( ! $_term ) + return $null; wp_cache_add($term, $_term, $taxonomy); } } @@ -321,9 +335,11 @@ function &get_term($term, $taxonomy, $output = OBJECT, $filter = 'raw') { if ( $output == OBJECT ) { return $_term; } elseif ( $output == ARRAY_A ) { - return get_object_vars($_term); + $__term = get_object_vars($_term); + return $__term; } elseif ( $output == ARRAY_N ) { - return array_values(get_object_vars($_term)); + $__term = array_values(get_object_vars($_term)); + return $__term; } else { return $_term; } @@ -343,7 +359,7 @@ function &get_term($term, $taxonomy, $output = OBJECT, $filter = 'raw') { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wpdb * @uses sanitize_term() Cleanses the term based on $filter context before returning. @@ -369,6 +385,7 @@ function get_term_by($field, $value, $taxonomy, $output = OBJECT, $filter = 'raw return false; } else if ( 'name' == $field ) { // Assume already escaped + $value = stripslashes($value); $field = 't.name'; } else { $field = 't.term_id'; @@ -395,37 +412,39 @@ function get_term_by($field, $value, $taxonomy, $output = OBJECT, $filter = 'raw } /** - * Merge all term children into a single array. + * Merge 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. Only useful for taxonomies which are hierarchical. + * array of term IDs. Only useful for taxonomies which are hierarchical. * * Will return an empty array if $term does not exist in $taxonomy. * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wpdb * @uses _get_term_hierarchy() * @uses get_term_children() Used to get the children of both $taxonomy and the parent $term * - * @param string $term Name of Term to get children + * @param string $term ID of Term to get children * @param string $taxonomy Taxonomy Name * @return array|WP_Error List of Term Objects. WP_Error returned if $taxonomy does not exist */ -function get_term_children( $term, $taxonomy ) { +function get_term_children( $term_id, $taxonomy ) { if ( ! is_taxonomy($taxonomy) ) return new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); + $term_id = intval( $term_id ); + $terms = _get_term_hierarchy($taxonomy); - if ( ! isset($terms[$term]) ) + if ( ! isset($terms[$term_id]) ) return array(); - $children = $terms[$term]; + $children = $terms[$term_id]; - foreach ( $terms[$term] as $child ) { + foreach ( (array) $terms[$term_id] as $child ) { if ( isset($terms[$child]) ) $children = array_merge($children, get_term_children($child, $taxonomy)); } @@ -442,7 +461,7 @@ function get_term_children( $term, $taxonomy ) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses sanitize_term_field() Passes the return value in sanitize_term_field on success. * @@ -475,7 +494,7 @@ function get_term_field( $field, $term, $taxonomy, $context = 'display' ) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses sanitize_term() Passes the return value on success * @@ -496,7 +515,7 @@ function get_term_to_edit( $id, $taxonomy ) { } /** - * Retrieve the terms in taxonomy or list of taxonomies. + * Retrieve 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. @@ -509,37 +528,75 @@ function get_term_to_edit( $id, $taxonomy ) { * The 'list_terms_exclusions' filter passes the compiled exclusions along with * the $args. * - * The list that $args can contain, which will overwrite the defaults. + * The 'get_terms_orderby' filter passes the ORDER BY clause for the query + * along with the $args array. + + * The 'get_terms_fields' filter passes the fields for the SELECT query + * along with the $args array. + * + * The list of arguments that $args can contain, which will overwrite the defaults: * - * orderby - Default is 'name'. Can be name, count, or nothing (will use - * term_id). + * orderby - Default is 'name'. Can be name, count, term_group, slug or nothing + * (will use term_id), Passing a custom value other than these will cause it to + * order based on the custom value. * * order - Default is ASC. Can use DESC. - * hide_empty - Default is true. Will not return empty $terms. - * fields - Default is all. - * slug - Any terms that has this value. Default is empty string. - * hierarchical - Whether to return hierarchical taxonomy. Default is true. - * name__like - Default is empty string. * - * The argument 'pad_counts' will count all of the children along with the - * $terms. + * 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 string. A comma- or space-delimited string + * of term ids to exclude from the return array. If 'include' is non-empty, + * 'exclude' is ignored. + * + * exclude_tree - A 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, 'exclude_tree' is ignored. + * + * include - Default is an empty string. A comma- or space-delimited string + * of term ids to include in the return array. + * + * number - The maximum number of terms to return. Default is empty. * - * The 'get' argument allows for overwriting 'hide_empty' and 'child_of', which - * can be done by setting the value to 'all', instead of its default empty - * string value. + * offset - The number by which to offset the terms query. * - * The 'child_of' argument will be used if you use multiple taxonomy or the - * first $taxonomy isn't hierarchical or 'parent' isn't used. The default is 0, - * which will be translated to a false value. If 'child_of' is set, then - * 'child_of' value will be tested against $taxonomy to see if 'child_of' is - * contained within. Will return an empty array if test fails. + * fields - Default is 'all', which returns an array of term objects. + * If 'fields' is 'ids' or 'names', returns an array of + * integers or strings, respectively. * - * If 'parent' is set, then it will be used to test against the first taxonomy. - * Much like 'child_of'. Will return an empty array if the test fails. + * slug - Returns terms whose "slug" matches this value. Default is empty string. + * + * hierarchical - Whether to include terms that have non-empty descendants + * (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. + * + * name__like - Returned terms' names will begin with the value of 'name__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 + * 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 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. * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wpdb * @uses wp_parse_args() Merges the defaults with those defined by $args and allows for strings. @@ -558,15 +615,17 @@ function &get_terms($taxonomies, $args = '') { $taxonomies = array($taxonomies); } - foreach ( $taxonomies as $taxonomy ) { - if ( ! is_taxonomy($taxonomy) ) - return new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); + foreach ( (array) $taxonomies as $taxonomy ) { + if ( ! is_taxonomy($taxonomy) ) { + $error = & new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); + return $error; + } } $in_taxonomies = "'" . implode("', '", $taxonomies) . "'"; $defaults = array('orderby' => 'name', 'order' => 'ASC', - 'hide_empty' => true, 'exclude' => '', 'include' => '', + 'hide_empty' => true, 'exclude' => '', 'exclude_tree' => '', 'include' => '', 'number' => '', 'fields' => 'all', 'slug' => '', 'parent' => '', 'hierarchical' => true, 'child_of' => 0, 'get' => '', 'name__like' => '', 'pad_counts' => false, 'offset' => '', 'search' => ''); @@ -574,7 +633,7 @@ function &get_terms($taxonomies, $args = '') { $args['number'] = absint( $args['number'] ); $args['offset'] = absint( $args['offset'] ); if ( !$single_taxonomy || !is_taxonomy_hierarchical($taxonomies[0]) || - '' != $args['parent'] ) { + '' !== $args['parent'] ) { $args['child_of'] = 0; $args['hierarchical'] = false; $args['pad_counts'] = false; @@ -603,30 +662,40 @@ function &get_terms($taxonomies, $args = '') { // $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 ); - - if ( $cache = wp_cache_get( 'get_terms', 'terms' ) ) { - if ( isset( $cache[ $key ] ) ) - return apply_filters('get_terms', $cache[$key], $taxonomies, $args); + $last_changed = wp_cache_get('last_changed', 'terms'); + if ( !$last_changed ) { + $last_changed = time(); + wp_cache_set('last_changed', $last_changed, 'terms'); + } + $cache_key = "get_terms:$key:$last_changed"; + $cache = wp_cache_get( $cache_key, 'terms' ); + if ( false !== $cache ) { + $cache = apply_filters('get_terms', $cache, $taxonomies, $args); + return $cache; } - if ( 'count' == $orderby ) + $_orderby = strtolower($orderby); + if ( 'count' == $_orderby ) $orderby = 'tt.count'; - else if ( 'name' == $orderby ) + else if ( 'name' == $_orderby ) $orderby = 't.name'; - else if ( 'slug' == $orderby ) + else if ( 'slug' == $_orderby ) $orderby = 't.slug'; - else if ( 'term_group' == $orderby ) + else if ( 'term_group' == $_orderby ) $orderby = 't.term_group'; - else + elseif ( empty($_orderby) || 'id' == $_orderby ) $orderby = 't.term_id'; + $orderby = apply_filters( 'get_terms_orderby', $orderby, $args ); + $where = ''; $inclusions = ''; if ( !empty($include) ) { $exclude = ''; + $exclude_tree = ''; $interms = preg_split('/[\s,]+/',$include); if ( count($interms) ) { - foreach ( $interms as $interm ) { + foreach ( (array) $interms as $interm ) { if (empty($inclusions)) $inclusions = ' AND ( t.term_id = ' . intval($interm) . ' '; else @@ -640,11 +709,25 @@ function &get_terms($taxonomies, $args = '') { $where .= $inclusions; $exclusions = ''; + if ( ! empty( $exclude_tree ) ) { + $excluded_trunks = preg_split('/[\s,]+/',$exclude_tree); + foreach( (array) $excluded_trunks as $extrunk ) { + $excluded_children = (array) get_terms($taxonomies[0], array('child_of' => intval($extrunk), 'fields' => 'ids')); + $excluded_children[] = $extrunk; + foreach( (array) $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) ) { $exterms = preg_split('/[\s,]+/',$exclude); if ( count($exterms) ) { - foreach ( $exterms as $exterm ) { - if (empty($exclusions)) + foreach ( (array) $exterms as $exterm ) { + if ( empty($exclusions) ) $exclusions = ' AND ( t.term_id <> ' . intval($exterm) . ' '; else $exclusions .= ' AND t.term_id <> ' . intval($exterm) . ' '; @@ -665,7 +748,7 @@ function &get_terms($taxonomies, $args = '') { if ( !empty($name__like) ) $where .= " AND t.name LIKE '{$name__like}%'"; - if ( '' != $parent ) { + if ( '' !== $parent ) { $parent = (int) $parent; $where .= " AND tt.parent = '$parent'"; } @@ -673,61 +756,62 @@ function &get_terms($taxonomies, $args = '') { if ( $hide_empty && !$hierarchical ) $where .= ' AND tt.count > 0'; - if ( !empty($number) ) { + // don't limit the query results when we have to descend the family tree + if ( ! empty($number) && ! $hierarchical && empty( $child_of ) && '' === $parent ) { if( $offset ) - $number = 'LIMIT ' . $offset . ',' . $number; + $limit = 'LIMIT ' . $offset . ',' . $number; else - $number = 'LIMIT ' . $number; + $limit = 'LIMIT ' . $number; } else - $number = ''; + $limit = ''; if ( !empty($search) ) { $search = like_escape($search); $where .= " AND (t.name LIKE '%$search%')"; } - $select_this = ''; + $selects = array(); if ( 'all' == $fields ) - $select_this = 't.*, tt.*'; + $selects = array('t.*', 'tt.*'); else if ( 'ids' == $fields ) - $select_this = 't.term_id'; + $selects = array('t.term_id', 'tt.parent', 'tt.count'); else if ( 'names' == $fields ) - $select_this = 't.name'; + $selects = array('t.term_id', 'tt.parent', 'tt.count', 't.name'); + $select_this = implode(', ', apply_filters( 'get_terms_fields', $selects, $args )); - $query = "SELECT $select_this FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE tt.taxonomy IN ($in_taxonomies) $where ORDER BY $orderby $order $number"; + $query = "SELECT $select_this FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE tt.taxonomy IN ($in_taxonomies) $where ORDER BY $orderby $order $limit"; + $terms = $wpdb->get_results($query); if ( 'all' == $fields ) { - $terms = $wpdb->get_results($query); update_term_cache($terms); - } else if ( ('ids' == $fields) || ('names' == $fields) ) { - $terms = $wpdb->get_col($query); } if ( empty($terms) ) { - $cache[ $key ] = array(); - wp_cache_set( 'get_terms', $cache, 'terms' ); - return apply_filters('get_terms', array(), $taxonomies, $args); + wp_cache_add( $cache_key, array(), 'terms' ); + $terms = apply_filters('get_terms', array(), $taxonomies, $args); + return $terms; } - if ( $child_of || $hierarchical ) { + if ( $child_of ) { $children = _get_term_hierarchy($taxonomies[0]); if ( ! empty($children) ) $terms = & _get_term_children($child_of, $terms, $taxonomies[0]); } // Update term counts to include children. - if ( $pad_counts ) + if ( $pad_counts && 'all' == $fields ) _pad_term_counts($terms, $taxonomies[0]); // Make sure we show empty categories that have children. - if ( $hierarchical && $hide_empty ) { + 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]); - foreach ( $children as $child ) - if ( $child->count ) - continue 2; + if( is_array($children) ) + foreach ( $children as $child ) + if ( $child->count ) + continue 2; // It really is empty unset($terms[$k]); @@ -736,8 +820,22 @@ function &get_terms($taxonomies, $args = '') { } reset ( $terms ); - $cache[ $key ] = $terms; - wp_cache_set( 'get_terms', $cache, 'terms' ); + $_terms = array(); + if ( 'ids' == $fields ) { + while ( $term = array_shift($terms) ) + $_terms[] = $term->term_id; + $terms = $_terms; + } elseif ( 'names' == $fields ) { + while ( $term = array_shift($terms) ) + $_terms[] = $term->name; + $terms = $_terms; + } + + if ( 0 < $number && intval(@count($terms)) > $number ) { + $terms = array_slice($terms, $offset, $number); + } + + wp_cache_add( $cache_key, $terms, 'terms' ); $terms = apply_filters('get_terms', $terms, $taxonomies, $args); return $terms; @@ -750,15 +848,16 @@ function &get_terms($taxonomies, $args = '') { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wpdb * * @param int|string $term The term to check * @param string $taxonomy The taxonomy name to use + * @param int $parent ID of parent term under which to confine the exists search. * @return mixed Get the term id or Term Object, if exists. */ -function is_term($term, $taxonomy = '') { +function is_term($term, $taxonomy = '', $parent = 0) { global $wpdb; $select = "SELECT term_id FROM $wpdb->terms as t WHERE "; @@ -774,23 +873,37 @@ function is_term($term, $taxonomy = '') { return $wpdb->get_var( $wpdb->prepare( $select . $where, $term ) ); } + $term = trim( stripslashes( $term ) ); + if ( '' === $slug = sanitize_title($term) ) return 0; $where = 't.slug = %s'; $else_where = 't.name = %s'; - + $where_fields = array($slug); + $else_where_fields = array($term); if ( !empty($taxonomy) ) { - if ( $result = $wpdb->get_row( $wpdb->prepare("SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $where AND tt.taxonomy = %s", $slug, $taxonomy), ARRAY_A) ) + $parent = (int) $parent; + if ( $parent > 0 ) { + $where_fields[] = $parent; + $else_where_fields[] = $parent; + $where .= ' AND tt.parent = %d'; + $else_where .= ' AND tt.parent = %d'; + } + + $where_fields[] = $taxonomy; + $else_where_fields[] = $taxonomy; + + if ( $result = $wpdb->get_row( $wpdb->prepare("SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $where AND tt.taxonomy = %s", $where_fields), ARRAY_A) ) return $result; - - return $wpdb->get_row( $wpdb->prepare("SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $else_where AND tt.taxonomy = %s", $term, $taxonomy), ARRAY_A); + + return $wpdb->get_row( $wpdb->prepare("SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $else_where AND tt.taxonomy = %s", $else_where_fields), ARRAY_A); } - if ( $result = $wpdb->get_var( $wpdb->prepare("SELECT term_id FROM $wpdb->terms as t WHERE $where", $slug) ) ) + if ( $result = $wpdb->get_var( $wpdb->prepare("SELECT term_id FROM $wpdb->terms as t WHERE $where", $where_fields) ) ) return $result; - return $wpdb->get_var( $wpdb->prepare("SELECT term_id FROM $wpdb->terms as t WHERE $else_where", $term) ); + return $wpdb->get_var( $wpdb->prepare("SELECT term_id FROM $wpdb->terms as t WHERE $else_where", $else_where_fields) ); } /** @@ -804,7 +917,7 @@ function is_term($term, $taxonomy = '') { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses sanitize_term_field Used to sanitize all fields in a term * @@ -824,13 +937,23 @@ function sanitize_term($term, $taxonomy, $context = 'display') { if ( is_object($term) ) $do_object = true; - foreach ( $fields as $field ) { - if ( $do_object ) - $term->$field = sanitize_term_field($field, $term->$field, $term->term_id, $taxonomy, $context); - else - $term[$field] = sanitize_term_field($field, $term[$field], $term['term_id'], $taxonomy, $context); + $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 $term; } @@ -849,7 +972,7 @@ function sanitize_term($term, $taxonomy, $context = 'display') { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wpdb * @@ -876,7 +999,7 @@ function sanitize_term_field($field, $value, $term_id, $taxonomy, $context) { if ( 'description' == $field ) $value = format_to_edit($value); else - $value = attribute_escape($value); + $value = esc_attr($value); } else if ( 'db' == $context ) { $value = apply_filters("pre_term_$field", $value, $taxonomy); $value = apply_filters("pre_${taxonomy}_$field", $value); @@ -894,9 +1017,9 @@ function sanitize_term_field($field, $value, $term_id, $taxonomy, $context) { } if ( 'attribute' == $context ) - $value = attribute_escape($value); + $value = esc_attr($value); else if ( 'js' == $context ) - $value = js_escape($value); + $value = esc_js($value); return $value; } @@ -909,7 +1032,7 @@ function sanitize_term_field($field, $value, $term_id, $taxonomy, $context) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wpdb * @uses wp_parse_args() Turns strings into arrays and merges defaults into an array. @@ -941,7 +1064,7 @@ function wp_count_terms( $taxonomy, $args = array() ) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * @uses $wpdb * * @param int $object_id The term Object Id that refers to the term @@ -955,11 +1078,13 @@ function wp_delete_object_term_relationships( $object_id, $taxonomies ) { if ( !is_array($taxonomies) ) $taxonomies = array($taxonomies); - foreach ( $taxonomies as $taxonomy ) { - $terms = wp_get_object_terms($object_id, $taxonomy, 'fields=tt_ids'); - $in_terms = "'" . implode("', '", $terms) . "'"; - $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_terms)", $object_id) ); - wp_update_term_count($terms, $taxonomy); + foreach ( (array) $taxonomies as $taxonomy ) { + $tt_ids = wp_get_object_terms($object_id, $taxonomy, '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); } } @@ -972,9 +1097,11 @@ function wp_delete_object_term_relationships( $object_id, $taxonomies ) { * The $args 'default' will only override the terms found, if there is only one * term found. Any other and the found terms are used. * + * The $args 'force_default' will force the term supplied as default to be + * assigned even if the object was not going to be termless * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wpdb * @uses do_action() Calls both 'delete_term' and 'delete_$taxonomy' action @@ -1015,22 +1142,30 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) { return $term_obj; $parent = $term_obj->parent; + $edit_tt_ids = $wpdb->get_col( "SELECT `term_taxonomy_id` FROM $wpdb->term_taxonomy WHERE `parent` = " . (int)$term_obj->term_id ); + do_action( 'edit_term_taxonomies', $edit_tt_ids ); $wpdb->update( $wpdb->term_taxonomy, compact( 'parent' ), array( 'parent' => $term_obj->term_id) + compact( 'taxonomy' ) ); + do_action( 'edited_term_taxonomies', $edit_tt_ids ); } $objects = $wpdb->get_col( $wpdb->prepare( "SELECT object_id FROM $wpdb->term_relationships WHERE term_taxonomy_id = %d", $tt_id ) ); foreach ( (array) $objects as $object ) { - $terms = wp_get_object_terms($object, $taxonomy, 'fields=ids'); - if ( 1 == count($terms) && isset($default) ) + $terms = wp_get_object_terms($object, $taxonomy, array('fields' => 'ids', 'orderby' => 'none')); + if ( 1 == count($terms) && isset($default) ) { $terms = array($default); - else + } 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, $terms, $taxonomy); } + do_action( 'delete_term_taxonomy', $tt_id ); $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $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) ) ) @@ -1068,7 +1203,7 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * @uses $wpdb * * @param int|array $object_id The id of the object(s) to retrieve. @@ -1082,7 +1217,7 @@ function wp_get_object_terms($object_ids, $taxonomies, $args = array()) { if ( !is_array($taxonomies) ) $taxonomies = array($taxonomies); - foreach ( $taxonomies as $taxonomy ) { + foreach ( (array) $taxonomies as $taxonomy ) { if ( ! is_taxonomy($taxonomy) ) return new WP_Error('invalid_taxonomy', __('Invalid Taxonomy')); } @@ -1121,8 +1256,19 @@ function wp_get_object_terms($object_ids, $taxonomies, $args = array()) { $orderby = 't.term_group'; else if ( 'term_order' == $orderby ) $orderby = 'tr.term_order'; - else + else if ( 'none' == $orderby ) { + $orderby = ''; + $order = ''; + } else { $orderby = 't.term_id'; + } + + // tt_ids queries can only be none or tr.term_taxonomy_id + if ( ('tt_ids' == $fields) && !empty($orderby) ) + $orderby = 'tr.term_taxonomy_id'; + + if ( !empty($orderby) ) + $orderby = "ORDER BY $orderby"; $taxonomies = "'" . implode("', '", $taxonomies) . "'"; $object_ids = implode(', ', $object_ids); @@ -1137,7 +1283,7 @@ function wp_get_object_terms($object_ids, $taxonomies, $args = array()) { else if ( 'all_with_object_id' == $fields ) $select_this = 't.*, tt.*, tr.object_id'; - $query = "SELECT $select_this FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON tt.term_id = t.term_id INNER JOIN $wpdb->term_relationships AS tr ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ($taxonomies) AND tr.object_id IN ($object_ids) ORDER BY $orderby $order"; + $query = "SELECT $select_this FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON tt.term_id = t.term_id INNER JOIN $wpdb->term_relationships AS tr ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ($taxonomies) AND tr.object_id IN ($object_ids) $orderby $order"; if ( 'all' == $fields || 'all_with_object_id' == $fields ) { $terms = array_merge($terms, $wpdb->get_results($query)); @@ -1145,13 +1291,13 @@ function wp_get_object_terms($object_ids, $taxonomies, $args = array()) { } else if ( 'ids' == $fields || 'names' == $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) ORDER BY tr.term_taxonomy_id $order"); + $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"); } if ( ! $terms ) - return array(); + $terms = array(); - return $terms; + return apply_filters('wp_get_object_terms', $terms, $object_ids, $taxonomies, $args); } /** @@ -1192,7 +1338,7 @@ function wp_get_object_terms($object_ids, $taxonomies, $args = array()) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * @uses $wpdb * * @uses do_action() Calls 'create_term' hook with the term id and taxonomy id as parameters. @@ -1241,7 +1387,9 @@ 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; - $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->terms SET term_group = %d WHERE term_id = %d", $term_group, $alias->term_id ) ); + do_action( 'edit_terms', $alias->term_id ); + $wpdb->update($wpdb->terms, compact('term_group'), array('term_id' => $alias->term_id) ); + do_action( 'edited_terms', $alias->term_id ); } } @@ -1260,7 +1408,9 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) { if ( empty($slug) ) { $slug = sanitize_title($slug, $term_id); + do_action( 'edit_terms', $term_id ); $wpdb->update( $wpdb->terms, compact( 'slug' ), compact( 'term_id' ) ); + do_action( 'edited_terms', $term_id ); } $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 ) ); @@ -1271,14 +1421,14 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) { $wpdb->insert( $wpdb->term_taxonomy, compact( 'term_id', 'taxonomy', 'description', 'parent') + array( 'count' => 0 ) ); $tt_id = (int) $wpdb->insert_id; - do_action("create_term", $term_id, $tt_id); + do_action("create_term", $term_id, $tt_id, $taxonomy); do_action("create_$taxonomy", $term_id, $tt_id); $term_id = apply_filters('term_id_filter', $term_id, $tt_id); clean_term_cache($term_id, $taxonomy); - do_action("created_term", $term_id, $tt_id); + do_action("created_term", $term_id, $tt_id, $taxonomy); do_action("created_$taxonomy", $term_id, $tt_id); return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id); @@ -1297,11 +1447,12 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * @uses $wpdb * * @param int $object_id The object to relate to. - * @param array|int|string $term The slug or id of the term. + * @param array|int|string $term The slug or id of the term, will replace all existing + * related terms in this taxonomy. * @param array|string $taxonomy The context in which to relate the term to the object. * @param bool $append If false will delete difference of terms. * @return array|WP_Error Affected Term IDs @@ -1318,35 +1469,39 @@ function wp_set_object_terms($object_id, $terms, $taxonomy, $append = false) { $terms = array($terms); if ( ! $append ) - $old_terms = wp_get_object_terms($object_id, $taxonomy, 'fields=tt_ids'); + $old_tt_ids = wp_get_object_terms($object_id, $taxonomy, array('fields' => 'tt_ids', 'orderby' => 'none')); $tt_ids = array(); $term_ids = array(); - foreach ($terms as $term) { + foreach ( (array) $terms as $term) { if ( !strlen(trim($term)) ) continue; - if ( !$id = is_term($term, $taxonomy) ) - $id = wp_insert_term($term, $taxonomy); - if ( is_wp_error($id) ) - return $id; - $term_ids[] = $id['term_id']; - $id = $id['term_taxonomy_id']; - $tt_ids[] = $id; + if ( !$term_info = is_term($term, $taxonomy) ) + $term_info = wp_insert_term($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, $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; - $wpdb->insert( $wpdb->term_relationships, array( 'object_id' => $object_id, 'term_taxonomy_id' => $id ) ); + 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, $tt_id ); } wp_update_term_count($tt_ids, $taxonomy); if ( ! $append ) { - $delete_terms = array_diff($old_terms, $tt_ids); + $delete_terms = array_diff($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, $taxonomy); } } @@ -1363,6 +1518,7 @@ function wp_set_object_terms($object_id, $terms, $taxonomy, $append = 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)"); } + do_action('set_object_terms', $object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids); return $tt_ids; } @@ -1383,7 +1539,7 @@ function wp_set_object_terms($object_id, $terms, $taxonomy, $append = false) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * @uses $wpdb * * @param string $slug The string that will be tried for a unique slug @@ -1450,29 +1606,32 @@ function wp_unique_term_slug($slug, $term) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses $wpdb * @uses do_action() Will call both 'edit_term' and 'edit_$taxonomy' twice. * @uses apply_filters() Will call the 'term_id_filter' filter and pass the term * id and taxonomy id. * - * @param int $term The ID of the term + * @param int $term_id The ID of the term * @param string $taxonomy The context in which to relate the term to the object. * @param array|string $args Overwrite term field values * @return array|WP_Error Returns Term ID and Taxonomy Term ID */ -function wp_update_term( $term, $taxonomy, $args = array() ) { +function wp_update_term( $term_id, $taxonomy, $args = array() ) { global $wpdb; if ( ! is_taxonomy($taxonomy) ) return new WP_Error('invalid_taxonomy', __('Invalid taxonomy')); - $term_id = (int) $term; + $term_id = (int) $term_id; // First, get all of the original args $term = get_term ($term_id, $taxonomy, ARRAY_A); + if ( is_wp_error( $term ) ) + return $term; + // Escape data pulled from DB. $term = add_magic_quotes($term); @@ -1505,7 +1664,9 @@ function wp_update_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 ); $wpdb->update( $wpdb->terms, compact('term_group'), array( 'term_id' => $alias->term_id ) ); + do_action( 'edited_terms', $alias->term_id ); } } @@ -1517,28 +1678,29 @@ function wp_update_term( $term, $taxonomy, $args = array() ) { if ( $empty_slug || ( $parent != $term->parent) ) $slug = wp_unique_term_slug($slug, (object) $args); else - return new WP_Error('duplicate_term_slug', sprintf(__('The slug "%s" is already in use by another term'), $slug)); + 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 ); $wpdb->update($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 ); $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 ); $wpdb->update( $wpdb->term_taxonomy, compact( 'term_id', 'taxonomy', 'description', 'parent' ), array( 'term_taxonomy_id' => $tt_id ) ); + do_action( 'edited_term_taxonomy', $tt_id ); - do_action("edit_term", $term_id, $tt_id); + do_action("edit_term", $term_id, $tt_id, $taxonomy); do_action("edit_$taxonomy", $term_id, $tt_id); $term_id = apply_filters('term_id_filter', $term_id, $tt_id); clean_term_cache($term_id, $taxonomy); - do_action("edited_term", $term_id, $tt_id); + do_action("edited_term", $term_id, $tt_id, $taxonomy); do_action("edited_$taxonomy", $term_id, $tt_id); return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id); @@ -1547,19 +1709,19 @@ function wp_update_term( $term, $taxonomy, $args = array() ) { /** * Enable or disable term counting. * - * @since 2.6 + * @since 2.5.0 * - * @param bool $defer Optional. - * @return bool + * @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) { +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 ); + wp_update_term_count( null, null, true ); } return $_defer; @@ -1576,10 +1738,10 @@ function wp_defer_term_counting($defer=NULL) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * @uses $wpdb * - * @param int|array $terms The ID of the terms + * @param int|array $terms The term_taxonomy_id of the terms * @param string $taxonomy The context of the term. * @return bool If no terms will return false, and if successful will return true. */ @@ -1587,7 +1749,7 @@ function wp_update_term_count( $terms, $taxonomy, $do_deferred=false ) { static $_deferred = array(); if ( $do_deferred ) { - foreach ( array_keys($_deferred) as $tax ) { + foreach ( (array) array_keys($_deferred) as $tax ) { wp_update_term_count_now( $_deferred[$tax], $tax ); unset( $_deferred[$tax] ); } @@ -1612,9 +1774,9 @@ function wp_update_term_count( $terms, $taxonomy, $do_deferred=false ) { /** * Perform term count update immediately. * - * @since 2.6 + * @since 2.5.0 * - * @param array $terms IDs of Terms to update. + * @param array $terms The term_taxonomy_id of terms to update. * @param string $taxonomy The context of the term. * @return bool Always true when complete. */ @@ -1628,9 +1790,11 @@ function wp_update_term_count_now( $terms, $taxonomy ) { call_user_func($taxonomy->update_count_callback, $terms); } else { // Default count updater - foreach ($terms as $term) { + 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 ); $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) ); + do_action( 'edited_term_taxonomy', $term ); } } @@ -1654,7 +1818,7 @@ function wp_update_term_count_now( $terms, $taxonomy ) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @see get_object_taxonomies() for more on $object_type * @uses do_action() Will call action hook named, 'clean_object_term_cache' after completion. @@ -1680,7 +1844,7 @@ function clean_object_term_cache($object_ids, $object_type) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * @uses $wpdb * * @param int|array $ids Single or list of Term IDs @@ -1688,6 +1852,7 @@ function clean_object_term_cache($object_ids, $object_type) { */ function clean_term_cache($ids, $taxonomy = '') { global $wpdb; + static $cleaned = array(); if ( !is_array($ids) ) $ids = array($ids); @@ -1710,12 +1875,15 @@ function clean_term_cache($ids, $taxonomy = '') { } foreach ( $taxonomies as $taxonomy ) { + if ( isset($cleaned[$taxonomy]) ) + continue; + $cleaned[$taxonomy] = true; wp_cache_delete('all_ids', $taxonomy); wp_cache_delete('get', $taxonomy); delete_option("{$taxonomy}_children"); } - wp_cache_delete('get_terms', 'terms'); + wp_cache_set('last_changed', time(), 'terms'); do_action('clean_term_cache', $ids, $taxonomy); } @@ -1726,7 +1894,7 @@ function clean_term_cache($ids, $taxonomy = '') { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @uses wp_cache_get() Retrieves taxonomy relationship from cache * @@ -1755,7 +1923,7 @@ function &get_object_term_cache($id, $taxonomy) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * @uses wp_get_object_terms() Used to get terms from the database to update * * @param string|array $object_ids Single or list of term object ID(s) @@ -1815,13 +1983,13 @@ function update_object_term_cache($object_ids, $object_type) { * * @package WordPress * @subpackage Taxonomy - * @since 2.3 + * @since 2.3.0 * * @param array $terms List of Term objects to change * @param string $taxonomy Optional. Update Term to this taxonomy in cache */ function update_term_cache($terms, $taxonomy = '') { - foreach ( $terms as $term ) { + foreach ( (array) $terms as $term ) { $term_taxonomy = $taxonomy; if ( empty($term_taxonomy) ) $term_taxonomy = $term->taxonomy; @@ -1836,18 +2004,18 @@ function update_term_cache($terms, $taxonomy = '') { /** - * Retrieves children of taxonomy. + * Retrieves children of taxonomy as Term IDs. * * @package WordPress * @subpackage Taxonomy * @access private - * @since 2.3 + * @since 2.3.0 * * @uses update_option() Stores all of the children in "$taxonomy_children" * option. That is the name of the taxonomy, immediately followed by '_children'. * * @param string $taxonomy Taxonomy Name - * @return array Empty if $taxonomy isn't hierarachical or returns children. + * @return array Empty if $taxonomy isn't hierarachical or returns children as Term IDs. */ function _get_term_hierarchy($taxonomy) { if ( !is_taxonomy_hierarchical($taxonomy) ) @@ -1869,21 +2037,20 @@ function _get_term_hierarchy($taxonomy) { /** - * Get array of child terms. + * Get the subset of $terms that are descendants of $term_id. * - * If $terms is an array of objects, then objects will returned from the - * function. If $terms is an array of IDs, then an array of ids of children will - * be returned. + * 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. * * @package WordPress * @subpackage Taxonomy * @access private - * @since 2.3 + * @since 2.3.0 * - * @param int $term_id Look for this Term ID in $terms - * @param array $terms List of Term IDs - * @param string $taxonomy Term Context - * @return array Empty if $terms is empty else returns full list of child terms. + * @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. + * @return array The subset of $terms that are descendants of $term_id. */ function &_get_term_children($term_id, $terms, $taxonomy) { $empty_array = array(); @@ -1896,7 +2063,7 @@ function &_get_term_children($term_id, $terms, $taxonomy) { if ( ( 0 != $term_id ) && ! isset($has_children[$term_id]) ) return $empty_array; - foreach ( $terms as $term ) { + foreach ( (array) $terms as $term ) { $use_id = false; if ( !is_object($term) ) { $term = get_term($term, $taxonomy); @@ -1935,7 +2102,7 @@ function &_get_term_children($term_id, $terms, $taxonomy) { * @package WordPress * @subpackage Taxonomy * @access private - * @since 2.3 + * @since 2.3.0 * @uses $wpdb * * @param array $terms List of Term IDs @@ -1945,8 +2112,8 @@ function &_get_term_children($term_id, $terms, $taxonomy) { function _pad_term_counts(&$terms, $taxonomy) { global $wpdb; - // This function only works for post categories. - if ( 'category' != $taxonomy ) + // This function only works for hierarchical taxonomies like post categories. + if ( !is_taxonomy_hierarchical( $taxonomy ) ) return; $term_hier = _get_term_hierarchy($taxonomy); @@ -1956,7 +2123,7 @@ function _pad_term_counts(&$terms, $taxonomy) { $term_items = array(); - foreach ( $terms as $key => $term ) { + foreach ( (array) $terms as $key => $term ) { $terms_by_id[$term->term_id] = & $terms[$key]; $term_ids[$term->term_taxonomy_id] = $term->term_id; } @@ -1965,7 +2132,7 @@ function _pad_term_counts(&$terms, $taxonomy) { $results = $wpdb->get_results("SELECT object_id, term_taxonomy_id FROM $wpdb->term_relationships INNER JOIN $wpdb->posts ON object_id = ID WHERE term_taxonomy_id IN (".join(',', array_keys($term_ids)).") AND post_type = 'post' AND post_status = 'publish'"); foreach ( $results as $row ) { $id = $term_ids[$row->term_taxonomy_id]; - ++$term_items[$id][$row->object_id]; + $term_items[$id][$row->object_id] = isset($term_items[$id][$row->object_id]) ? ++$term_items[$id][$row->object_id] : 1; } // Touch every ancestor's lookup row for each post in each term @@ -1973,8 +2140,9 @@ function _pad_term_counts(&$terms, $taxonomy) { $child = $term_id; while ( $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]; + 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 = $parent; } } @@ -1998,17 +2166,19 @@ function _pad_term_counts(&$terms, $taxonomy) { * @package WordPress * @subpackage Taxonomy * @access private - * @since 2.3 + * @since 2.3.0 * @uses $wpdb * - * @param array $terms List of Term IDs + * @param array $terms List of Term taxonomy IDs */ function _update_post_term_count( $terms ) { global $wpdb; - foreach ( $terms as $term ) { + 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 = 'post' AND term_taxonomy_id = %d", $term ) ); + do_action( 'edit_term_taxonomy', $term ); $wpdb->update( $wpdb->term_taxonomy, compact( 'count' ), array( 'term_taxonomy_id' => $term ) ); + do_action( 'edited_term_taxonomy', $term ); } } @@ -2016,7 +2186,7 @@ function _update_post_term_count( $terms ) { /** * Generates a permalink for a taxonomy term archive. * - * @since 2.6 + * @since 2.5.0 * * @param object|int|string $term * @param string $taxonomy @@ -2025,14 +2195,6 @@ function _update_post_term_count( $terms ) { function get_term_link( $term, $taxonomy ) { global $wp_rewrite; - // use legacy functions for core taxonomies until they are fully plugged in - if ( $taxonomy == 'category' ) - return get_category_link($term); - if ( $taxonomy == 'post_tag' ) - return get_tag_link($term); - - $termlink = $wp_rewrite->get_extra_permastruct($taxonomy); - if ( !is_object($term) ) { if ( is_int($term) ) { $term = &get_term($term, $taxonomy); @@ -2043,10 +2205,18 @@ function get_term_link( $term, $taxonomy ) { if ( is_wp_error( $term ) ) return $term; + // use legacy functions for core taxonomies until they are fully plugged in + if ( $taxonomy == 'category' ) + return get_category_link((int) $term->term_id); + if ( $taxonomy == 'post_tag' ) + return get_tag_link((int) $term->term_id); + + $termlink = $wp_rewrite->get_extra_permastruct($taxonomy); + $slug = $term->slug; if ( empty($termlink) ) { - $file = get_option('home') . '/'; + $file = trailingslashit( get_option('home') ); $t = get_taxonomy($taxonomy); if ( $t->query_var ) $termlink = "$file?$t->query_var=$slug"; @@ -2072,7 +2242,7 @@ function get_term_link( $term, $taxonomy ) { * 'sep' : default is empty string. Separate every taxonomy with value in this. * 'after' : default is empty string. Display this after the taxonomies list. * - * @since 2.6 + * @since 2.5.0 * @uses get_the_taxonomies() * * @param array $args Override the defaults. @@ -2097,7 +2267,7 @@ function the_taxonomies($args = array()) { * 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 2.6 + * @since 2.5.0 * * @param int $post Optional. Post ID or will use Global Post ID (in loop). * @return array @@ -2131,7 +2301,7 @@ function get_the_taxonomies($post = 0) { $links = array(); foreach ( $terms as $term ) - $links[] = "$term->name"; + $links[] = "$term->name"; if ( $links ) $taxonomies[$taxonomy] = wp_sprintf($t['template'], $t['label'], $links, $terms); @@ -2142,7 +2312,7 @@ function get_the_taxonomies($post = 0) { /** * Retrieve all taxonomies of a post with just the names. * - * @since 2.6 + * @since 2.5.0 * @uses get_object_taxonomies() * * @param int $post Optional. Post ID @@ -2154,4 +2324,54 @@ function get_post_taxonomies($post = 0) { return get_object_taxonomies($post); } -?> \ No newline at end of file +/** + * Determine 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 + * @uses get_object_term_cache() + * @uses wp_get_object_terms() + * + * @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 + * @return bool|WP_Error. WP_Error on input error. + */ +function is_object_in_term( $object_id, $taxonomy, $terms = null ) { + if ( !$object_id = (int) $object_id ) + return new WP_Error( 'invalid_object', __( 'Invalid object ID' ) ); + + $object_terms = get_object_term_cache( $object_id, $taxonomy ); + if ( empty( $object_terms ) ) + $object_terms = wp_get_object_terms( $object_id, $taxonomy ); + + 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; + + if ( $ints = array_filter( $terms, 'is_int' ) ) + $strs = array_diff( $terms, $ints ); + else + $strs =& $terms; + + foreach ( $object_terms as $object_term ) { + if ( $ints && in_array( $object_term->term_id, $ints ) ) return true; // If int, check against term_id + if ( $strs ) { + if ( in_array( $object_term->term_id, $strs ) ) return true; + if ( in_array( $object_term->name, $strs ) ) return true; + if ( in_array( $object_term->slug, $strs ) ) return true; + } + } + + return false; +} + +?>