X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/58f607a1de715c9bca69340a4d6fb9e1b9c2bed2..refs/tags/wordpress-3.4:/wp-includes/taxonomy.php
diff --git a/wp-includes/taxonomy.php b/wp-includes/taxonomy.php
index e9fa0b05..8ea976ff 100644
--- a/wp-includes/taxonomy.php
+++ b/wp-includes/taxonomy.php
@@ -12,30 +12,55 @@
//
/**
- * 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' => false,
- 'rewrite' => false,
+ 'query_var' => 'category_name',
+ 'rewrite' => $rewrite['category'],
'public' => true,
'show_ui' => true,
'_builtin' => true,
- ) ) ;
+ ) );
register_taxonomy( 'post_tag', 'post', array(
'hierarchical' => false,
- 'update_count_callback' => '_update_post_term_count',
- 'query_var' => false,
- 'rewrite' => false,
+ 'query_var' => 'tag',
+ 'rewrite' => $rewrite['post_tag'],
'public' => true,
'show_ui' => true,
'_builtin' => true,
) );
register_taxonomy( 'nav_menu', 'nav_menu_item', array(
+ 'public' => false,
'hierarchical' => false,
'labels' => array(
'name' => __( 'Navigation Menus' ),
@@ -46,21 +71,44 @@ function create_initial_taxonomies() {
'show_ui' => false,
'_builtin' => true,
'show_in_nav_menus' => false,
- ) ) ;
+ ) );
register_taxonomy( 'link_category', 'link', array(
'hierarchical' => false,
'labels' => array(
- 'name' => __( 'Categories' ),
- 'singular_name' => __( 'Category' ),
- 'update_item' => __( 'Update Category' ),
+ 'name' => __( 'Link Categories' ),
+ 'singular_name' => __( 'Link Category' ),
+ 'search_items' => __( 'Search Link Categories' ),
+ 'popular_items' => null,
+ 'all_items' => __( 'All Link Categories' ),
+ 'edit_item' => __( 'Edit Link Category' ),
+ 'update_item' => __( 'Update Link Category' ),
+ 'add_new_item' => __( 'Add New Link Category' ),
+ 'new_item_name' => __( 'New Link Category Name' ),
+ 'separate_items_with_commas' => null,
+ 'add_or_remove_items' => null,
+ 'choose_from_most_used' => null,
),
'query_var' => false,
'rewrite' => false,
'public' => false,
'show_ui' => false,
'_builtin' => true,
- ) ) ;
+ ) );
+
+ register_taxonomy( 'post_format', 'post', array(
+ 'public' => true,
+ 'hierarchical' => false,
+ 'labels' => array(
+ 'name' => _x( 'Format', 'post format' ),
+ 'singular_name' => _x( 'Format', 'post format' ),
+ ),
+ 'query_var' => true,
+ 'rewrite' => $rewrite['post_format'],
+ 'show_ui' => false,
+ '_builtin' => true,
+ 'show_in_nav_menus' => current_theme_supports( 'post-formats' ),
+ ) );
}
add_action( 'init', 'create_initial_taxonomies', 0 ); // highest priority
@@ -87,7 +135,6 @@ 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 $object_type.
*
@@ -220,8 +267,10 @@ function is_taxonomy_hierarchical($taxonomy) {
* 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.
+ * 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.
*
* rewrite - false to prevent rewrite, or array('slug'=>$slug) to customize
* permastruct; default will use $taxonomy as slug.
@@ -229,7 +278,7 @@ function is_taxonomy_hierarchical($taxonomy) {
* query_var - false to prevent queries, or string to customize query var
* (?$query_var=$term); default will use $taxonomy as query var.
*
- * public - If the taxonomy should be publically queryable; //@TODO not implemented.
+ * public - If the taxonomy should be publicly queryable; //@TODO not implemented.
* defaults to true.
*
* show_ui - If the WordPress UI admin tags UI should apply to this taxonomy;
@@ -239,7 +288,7 @@ function is_taxonomy_hierarchical($taxonomy) {
* 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.
+ * defaults to show_ui which defaults 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.
*
@@ -247,7 +296,6 @@ function is_taxonomy_hierarchical($taxonomy) {
* @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 $taxonomy Name of taxonomy object
@@ -255,7 +303,7 @@ function is_taxonomy_hierarchical($taxonomy) {
* @param array|string $args See above description for the two keys values.
*/
function register_taxonomy( $taxonomy, $object_type, $args = array() ) {
- global $wp_taxonomies, $wp_rewrite, $wp;
+ global $wp_taxonomies, $wp;
if ( ! is_array($wp_taxonomies) )
$wp_taxonomies = array();
@@ -281,13 +329,21 @@ function register_taxonomy( $taxonomy, $object_type, $args = array() ) {
$wp->add_query_var($args['query_var']);
}
- if ( false !== $args['rewrite'] && '' != get_option('permalink_structure') ) {
+ if ( false !== $args['rewrite'] && ( is_admin() || '' != get_option('permalink_structure') ) ) {
$args['rewrite'] = wp_parse_args($args['rewrite'], array(
'slug' => sanitize_title_with_dashes($taxonomy),
'with_front' => true,
+ 'hierarchical' => false,
+ 'ep_mask' => EP_NONE,
));
- $wp_rewrite->add_rewrite_tag("%$taxonomy%", '([^/]+)', $args['query_var'] ? "{$args['query_var']}=" : "taxonomy=$taxonomy&term=");
- $wp_rewrite->add_permastruct($taxonomy, "{$args['rewrite']['slug']}/%$taxonomy%", $args['rewrite']['with_front']);
+
+ if ( $args['hierarchical'] && $args['rewrite']['hierarchical'] )
+ $tag = '(.+?)';
+ else
+ $tag = '([^/]+)';
+
+ add_rewrite_tag( "%$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']) )
@@ -310,7 +366,7 @@ 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;
@@ -318,29 +374,32 @@ function register_taxonomy( $taxonomy, $object_type, $args = array() ) {
$wp_taxonomies[$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.
*
- * 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
@@ -352,14 +411,15 @@ function get_taxonomy_labels( $tax ) {
$tax->labels['separate_items_with_commas'] = $tax->helps;
$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' ) ),
@@ -367,6 +427,7 @@ function get_taxonomy_labels( $tax ) {
'add_or_remove_items' => array( __( 'Add or remove tags' ), null ),
'choose_from_most_used' => array( __( 'Choose from the most used tags' ), null ),
);
+ $nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];
return _get_custom_object_labels( $tax, $nohier_vs_hier_defaults );
}
@@ -380,7 +441,7 @@ 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) {
@@ -392,7 +453,8 @@ 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;
}
@@ -440,7 +502,7 @@ 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' );
@@ -462,6 +524,287 @@ function get_objects_in_term( $term_ids, $taxonomies, $args = array() ) {
return $object_ids;
}
+/**
+ * Given a taxonomy query, generates SQL to be appended to a main query.
+ *
+ * @since 3.1.0
+ *
+ * @see WP_Tax_Query
+ *
+ * @param array $tax_query A compact tax query
+ * @param string $primary_table
+ * @param string $primary_id_column
+ * @return array
+ */
+function get_tax_sql( $tax_query, $primary_table, $primary_id_column ) {
+ $tax_query_obj = new WP_Tax_Query( $tax_query );
+ return $tax_query_obj->get_sql( $primary_table, $primary_id_column );
+}
+
+/**
+ * Container class for a multiple taxonomy query.
+ *
+ * @since 3.1.0
+ */
+class WP_Tax_Query {
+
+ /**
+ * List of taxonomy queries. A single taxonomy query is an associative array:
+ * - 'taxonomy' string The taxonomy being queried
+ * - 'terms' string|array The list of terms
+ * - 'field' string (optional) Which term field is being used.
+ * Possible values: 'term_id', 'slug' or 'name'
+ * Default: 'term_id'
+ * - 'operator' string (optional)
+ * Possible values: 'AND', 'IN' or 'NOT IN'.
+ * Default: 'IN'
+ * - 'include_children' bool (optional) Whether to include child terms.
+ * Default: true
+ *
+ * @since 3.1.0
+ * @access public
+ * @var array
+ */
+ public $queries = array();
+
+ /**
+ * The relation between the queries. Can be one of 'AND' or 'OR'.
+ *
+ * @since 3.1.0
+ * @access public
+ * @var string
+ */
+ 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' );
+
+ /**
+ * Constructor.
+ *
+ * Parses a compact tax query and sets defaults.
+ *
+ * @since 3.1.0
+ * @access public
+ *
+ * @param array $tax_query A compact tax query:
+ * array(
+ * 'relation' => 'OR',
+ * array(
+ * 'taxonomy' => 'tax1',
+ * 'terms' => array( 'term1', 'term2' ),
+ * 'field' => 'slug',
+ * ),
+ * array(
+ * 'taxonomy' => 'tax2',
+ * 'terms' => array( 'term-a', 'term-b' ),
+ * 'field' => 'slug',
+ * ),
+ * )
+ */
+ public function __construct( $tax_query ) {
+ if ( isset( $tax_query['relation'] ) && strtoupper( $tax_query['relation'] ) == 'OR' ) {
+ $this->relation = 'OR';
+ } else {
+ $this->relation = 'AND';
+ }
+
+ $defaults = array(
+ 'taxonomy' => '',
+ 'terms' => array(),
+ 'include_children' => true,
+ 'field' => 'term_id',
+ 'operator' => 'IN',
+ );
+
+ foreach ( $tax_query as $query ) {
+ if ( ! is_array( $query ) )
+ continue;
+
+ $query = array_merge( $defaults, $query );
+
+ $query['terms'] = (array) $query['terms'];
+
+ $this->queries[] = $query;
+ }
+ }
+
+ /**
+ * Generates SQL clauses to be appended to a main query.
+ *
+ * @since 3.1.0
+ * @access public
+ *
+ * @param string $primary_table
+ * @param string $primary_id_column
+ * @return array
+ */
+ public function get_sql( $primary_table, $primary_id_column ) {
+ global $wpdb;
+
+ $join = '';
+ $where = array();
+ $i = 0;
+
+ foreach ( $this->queries as $query ) {
+ $this->clean_query( $query );
+
+ if ( is_wp_error( $query ) ) {
+ return self::$no_results;
+ }
+
+ extract( $query );
+
+ if ( 'IN' == $operator ) {
+
+ if ( empty( $terms ) ) {
+ if ( 'OR' == $this->relation )
+ continue;
+ else
+ return self::$no_results;
+ }
+
+ $terms = implode( ',', $terms );
+
+ $alias = $i ? 'tt' . $i : $wpdb->term_relationships;
+
+ $join .= " INNER JOIN $wpdb->term_relationships";
+ $join .= $i ? " AS $alias" : '';
+ $join .= " ON ($primary_table.$primary_id_column = $alias.object_id)";
+
+ $where[] = "$alias.term_taxonomy_id $operator ($terms)";
+ } elseif ( 'NOT IN' == $operator ) {
+
+ if ( empty( $terms ) )
+ continue;
+
+ $terms = implode( ',', $terms );
+
+ $where[] = "$primary_table.$primary_id_column NOT IN (
+ SELECT object_id
+ FROM $wpdb->term_relationships
+ WHERE term_taxonomy_id IN ($terms)
+ )";
+ } elseif ( 'AND' == $operator ) {
+
+ if ( empty( $terms ) )
+ continue;
+
+ $num_terms = count( $terms );
+
+ $terms = implode( ',', $terms );
+
+ $where[] = "(
+ SELECT COUNT(1)
+ FROM $wpdb->term_relationships
+ WHERE term_taxonomy_id IN ($terms)
+ AND object_id = $primary_table.$primary_id_column
+ ) = $num_terms";
+ }
+
+ $i++;
+ }
+
+ if ( !empty( $where ) )
+ $where = ' AND ( ' . implode( " $this->relation ", $where ) . ' )';
+ else
+ $where = '';
+
+ return compact( 'join', 'where' );
+ }
+
+ /**
+ * Validates a single query.
+ *
+ * @since 3.2.0
+ * @access private
+ *
+ * @param array &$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( $query, 'term_taxonomy_id' );
+ }
+
+ /**
+ * Transforms a single query, from one field to another.
+ *
+ * @since 3.2.0
+ * @access private
+ *
+ * @param array &$query The single query
+ * @param string $resulting_field The resulting field
+ */
+ private function transform_query( &$query, $resulting_field ) {
+ global $wpdb;
+
+ if ( empty( $query['terms'] ) )
+ return;
+
+ if ( $query['field'] == $resulting_field )
+ return;
+
+ $resulting_field = esc_sql( $resulting_field );
+
+ switch ( $query['field'] ) {
+ case 'slug':
+ case 'name':
+ $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 $wpdb->terms USING (term_id)
+ WHERE taxonomy = '{$query['taxonomy']}'
+ AND $wpdb->terms.{$query['field']} IN ($terms)
+ " );
+ break;
+
+ default:
+ $terms = implode( ',', array_map( 'intval', $query['terms'] ) );
+ $terms = $wpdb->get_col( "
+ SELECT $resulting_field
+ FROM $wpdb->term_taxonomy
+ WHERE taxonomy = '{$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'] = $resulting_field;
+ }
+}
+
/**
* Get all Term data from database by Term ID.
*
@@ -512,7 +855,7 @@ function &get_term($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 $error;
}
@@ -522,9 +865,10 @@ function &get_term($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, $taxonomy);
@@ -591,7 +935,10 @@ function get_term_by($field, $value, $taxonomy, $output = OBJECT, $filter = 'raw
$value = stripslashes($value);
$field = 't.name';
} 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, $value) );
@@ -631,13 +978,13 @@ function get_term_by($field, $value, $taxonomy, $output = OBJECT, $filter = 'raw
* @uses _get_term_hierarchy()
* @uses get_term_children() Used to get the children of both $taxonomy and the parent $term
*
- * @param string $term ID of Term to get children
+ * @param string $term_id 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_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 );
@@ -749,19 +1096,19 @@ 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.
*
@@ -775,7 +1122,7 @@ 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',
* case-insensitive. Default is empty string.
@@ -786,19 +1133,24 @@ function get_term_to_edit( $id, $taxonomy ) {
* 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
@@ -806,7 +1158,7 @@ function get_term_to_edit( $id, $taxonomy ) {
* @uses $wpdb
* @uses wp_parse_args() Merges the defaults with those defined by $args and allows for strings.
*
- * @param string|array Taxonomy name or list of Taxonomy names
+ * @param string|array $taxonomies Taxonomy name or list of Taxonomy names
* @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 $taxonomies do not exist.
*/
@@ -820,20 +1172,18 @@ function &get_terms($taxonomies, $args = '') {
$taxonomies = array($taxonomies);
}
- foreach ( (array) $taxonomies as $taxonomy ) {
+ 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;
}
}
- $in_taxonomies = "'" . implode("', '", $taxonomies) . "'";
-
$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' => '');
+ 'pad_counts' => false, 'offset' => '', 'search' => '', 'cache_domain' => 'core' );
$args = wp_parse_args( $args, $defaults );
$args['number'] = absint( $args['number'] );
$args['offset'] = absint( $args['offset'] );
@@ -850,6 +1200,9 @@ function &get_terms($taxonomies, $args = '') {
$args['hierarchical'] = false;
$args['pad_counts'] = false;
}
+
+ $args = apply_filters( 'get_terms_args', $args, $taxonomies );
+
extract($args, EXTR_SKIP);
if ( $child_of ) {
@@ -892,6 +1245,8 @@ function &get_terms($taxonomies, $args = '') {
$orderby = '';
elseif ( empty($_orderby) || 'id' == $_orderby )
$orderby = 't.term_id';
+ else
+ $orderby = 't.name';
$orderby = apply_filters( 'get_terms_orderby', $orderby, $args );
@@ -900,7 +1255,11 @@ function &get_terms($taxonomies, $args = '') {
else
$order = '';
- $where = '';
+ $order = strtoupper( $order );
+ if ( '' !== $order && !in_array( $order, array( 'ASC', 'DESC' ) ) )
+ $order = 'ASC';
+
+ $where = "tt.taxonomy IN ('" . implode("', '", $taxonomies) . "')";
$inclusions = '';
if ( !empty($include) ) {
$exclude = '';
@@ -922,7 +1281,7 @@ function &get_terms($taxonomies, $args = '') {
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'));
+ $excluded_children = (array) get_terms($taxonomies[0], array('child_of' => intval($extrunk), 'fields' => 'ids', 'hide_empty' => 0));
$excluded_children[] = $extrunk;
foreach( $excluded_children as $exterm ) {
if ( empty($exclusions) )
@@ -953,8 +1312,10 @@ function &get_terms($taxonomies, $args = '') {
$where .= " AND t.slug = '$slug'";
}
- if ( !empty($name__like) )
- $where .= " AND t.name LIKE '{$name__like}%'";
+ if ( !empty($name__like) ) {
+ $name__like = like_escape( $name__like );
+ $where .= $wpdb->prepare( " AND t.name LIKE %s", $name__like . '%' );
+ }
if ( '' !== $parent ) {
$parent = (int) $parent;
@@ -967,38 +1328,50 @@ function &get_terms($taxonomies, $args = '') {
// don't limit the query results when we have to descend the family tree
if ( ! empty($number) && ! $hierarchical && empty( $child_of ) && '' === $parent ) {
if ( $offset )
- $limit = 'LIMIT ' . $offset . ',' . $number;
+ $limits = 'LIMIT ' . $offset . ',' . $number;
else
- $limit = 'LIMIT ' . $number;
+ $limits = 'LIMIT ' . $number;
} else {
- $limit = '';
+ $limits = '';
}
if ( !empty($search) ) {
$search = like_escape($search);
- $where .= " AND (t.name LIKE '%$search%')";
+ $where .= $wpdb->prepare( " AND (t.name LIKE %s)", '%' . $search . '%');
}
$selects = array();
switch ( $fields ) {
- case 'all':
- $selects = array('t.*', 'tt.*');
- break;
- case 'ids':
+ case 'all':
+ $selects = array('t.*', 'tt.*');
+ break;
+ case 'ids':
case 'id=>parent':
- $selects = array('t.term_id', 'tt.parent', 'tt.count');
- break;
- case 'names':
- $selects = array('t.term_id', 'tt.parent', 'tt.count', 't.name');
- break;
- case 'count':
+ $selects = array('t.term_id', 'tt.parent', 'tt.count');
+ break;
+ case 'names':
+ $selects = array('t.term_id', 'tt.parent', 'tt.count', 't.name');
+ break;
+ case 'count':
$orderby = '';
$order = '';
- $selects = array('COUNT(*)');
- }
- $select_this = implode(', ', apply_filters( 'get_terms_fields', $selects, $args ));
+ $selects = array('COUNT(*)');
+ }
+
+ $_fields = $fields;
+
+ $fields = implode(', ', apply_filters( 'get_terms_fields', $selects, $args ));
+
+ $join = "INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id";
+
+ $pieces = array( 'fields', 'join', 'where', 'orderby', 'order', 'limits' );
+ $clauses = apply_filters( 'terms_clauses', compact( $pieces ), $taxonomies, $args );
+ foreach ( $pieces as $piece )
+ $$piece = isset( $clauses[ $piece ] ) ? $clauses[ $piece ] : '';
- $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 $orderby $order $limit";
+ $query = "SELECT $fields FROM $wpdb->terms AS t $join WHERE $where $orderby $order $limits";
+
+ $fields = $_fields;
if ( 'count' == $fields ) {
$term_count = $wpdb->get_var($query);
@@ -1011,7 +1384,7 @@ function &get_terms($taxonomies, $args = '') {
}
if ( empty($terms) ) {
- wp_cache_add( $cache_key, array(), 'terms' );
+ wp_cache_add( $cache_key, array(), 'terms', 86400 ); // one day
$terms = apply_filters('get_terms', array(), $taxonomies, $args);
return $terms;
}
@@ -1062,7 +1435,7 @@ function &get_terms($taxonomies, $args = '') {
$terms = array_slice($terms, $offset, $number);
}
- wp_cache_add( $cache_key, $terms, 'terms' );
+ wp_cache_add( $cache_key, $terms, 'terms', 86400 ); // one day
$terms = apply_filters('get_terms', $terms, $taxonomies, $args);
return $terms;
@@ -1071,8 +1444,6 @@ function &get_terms($taxonomies, $args = '') {
/**
* Check if Term exists.
*
- * Returns the index of a defined term, or 0 (false) if the term doesn't exist.
- *
* Formerly is_term(), introduced in 2.3.0.
*
* @package WordPress
@@ -1084,7 +1455,8 @@ function &get_terms($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 $wpdb;
@@ -1135,10 +1507,36 @@ function term_exists($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 ), $taxonomy );
+}
+
/**
* Sanitize Term all fields.
*
- * Relys on sanitize_term_field() to sanitize the term. The difference is that
+ * Relies on sanitize_term_field() to sanitize the term. The difference is that
* this function will sanitize all fields. The context is based
* on sanitize_term_field().
*
@@ -1223,26 +1621,26 @@ function sanitize_term_field($field, $value, $term_id, $taxonomy, $context) {
return $value;
if ( 'edit' == $context ) {
- $value = apply_filters("edit_term_$field", $value, $term_id, $taxonomy);
- $value = apply_filters("edit_${taxonomy}_$field", $value, $term_id);
+ $value = apply_filters("edit_term_{$field}", $value, $term_id, $taxonomy);
+ $value = apply_filters("edit_{$taxonomy}_{$field}", $value, $term_id);
if ( 'description' == $field )
- $value = format_to_edit($value);
+ $value = esc_html($value); // textarea_escaped
else
$value = esc_attr($value);
} else if ( 'db' == $context ) {
- $value = apply_filters("pre_term_$field", $value, $taxonomy);
- $value = apply_filters("pre_${taxonomy}_$field", $value);
+ $value = apply_filters("pre_term_{$field}", $value, $taxonomy);
+ $value = apply_filters("pre_{$taxonomy}_{$field}", $value);
// Back compat filters
if ( 'slug' == $field )
$value = apply_filters('pre_category_nicename', $value);
} else if ( 'rss' == $context ) {
- $value = apply_filters("term_${field}_rss", $value, $taxonomy);
- $value = apply_filters("${taxonomy}_${field}_rss", $value);
+ $value = apply_filters("term_{$field}_rss", $value, $taxonomy);
+ $value = apply_filters("{$taxonomy}_{$field}_rss", $value);
} else {
// Use display filters by default.
- $value = apply_filters("term_$field", $value, $term_id, $taxonomy, $context);
- $value = apply_filters("${taxonomy}_$field", $value, $term_id, $context);
+ $value = apply_filters("term_{$field}", $value, $term_id, $taxonomy, $context);
+ $value = apply_filters("{$taxonomy}_{$field}", $value, $term_id, $context);
}
if ( 'attribute' == $context )
@@ -1285,11 +1683,11 @@ function wp_count_terms( $taxonomy, $args = array() ) {
}
/**
- * Will unlink the term from the taxonomy.
+ * Will unlink the object from the taxonomy or taxonomies.
*
- * Will remove the term's relationship to the taxonomy, not the term or taxonomy
- * itself. The term and taxonomy will still exist. Will require the term's
- * object ID to perform the operation.
+ * Will remove all relationships between the object and any terms in
+ * a particular taxonomy or taxonomies. Does not remove the term or
+ * taxonomy itself.
*
* @package WordPress
* @subpackage Taxonomy
@@ -1297,7 +1695,7 @@ function wp_count_terms( $taxonomy, $args = array() ) {
* @uses $wpdb
*
* @param int $object_id The term Object Id that refers to the term
- * @param string|array $taxonomy List of Taxonomy Names or single Taxonomy name.
+ * @param string|array $taxonomies List of Taxonomy Names or single Taxonomy name.
*/
function wp_delete_object_term_relationships( $object_id, $taxonomies ) {
global $wpdb;
@@ -1355,10 +1753,17 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) {
$tt_id = $ids['term_taxonomy_id'];
$defaults = array();
+
+ if ( 'category' == $taxonomy ) {
+ $defaults['default'] = get_option( 'default_category' );
+ if ( $defaults['default'] == $term )
+ return 0; // Don't delete the default category
+ }
+
$args = wp_parse_args($args, $defaults);
extract($args, EXTR_SKIP);
- if ( isset($default) ) {
+ if ( isset( $default ) ) {
$default = (int) $default;
if ( ! term_exists($default, $taxonomy) )
unset($default);
@@ -1392,13 +1797,18 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) {
wp_set_object_terms($object, $terms, $taxonomy);
}
+ // Clean the relationship caches for all object types using this term
+ $tax_object = get_taxonomy( $taxonomy );
+ foreach ( $tax_object->object_type as $object_type )
+ clean_object_term_cache( $objects, $object_type );
+
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);
@@ -1408,6 +1818,20 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) {
return true;
}
+/**
+ * Deletes one existing category.
+ *
+ * @since 2.0.0
+ * @uses wp_delete_term()
+ *
+ * @param int $cat_ID
+ * @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 ) {
+ return wp_delete_term( $cat_ID, 'category' );
+}
+
/**
* Retrieves the terms associated with the given object(s), in the supplied taxonomies.
*
@@ -1426,7 +1850,7 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) {
* '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.
*
@@ -1435,20 +1859,23 @@ function wp_delete_term( $term, $taxonomy, $args = array() ) {
* @since 2.3.0
* @uses $wpdb
*
- * @param int|array $object_id The id of the object(s) to retrieve.
+ * @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($object_ids) )
@@ -1509,6 +1936,8 @@ function wp_get_object_terms($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 )
$select_this = 't.*, tt.*, tr.object_id';
@@ -1517,7 +1946,7 @@ function wp_get_object_terms($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 $order");
@@ -1532,7 +1961,7 @@ function wp_get_object_terms($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
+ * Error handling is assigned for the nonexistence 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
@@ -1705,7 +2134,7 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) {
* @uses $wpdb
*
* @param int $object_id The object to relate to.
- * @param array|int|string $term The slug or id of the term, will replace all existing
+ * @param array|int|string $terms 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 $append If false will delete difference of terms.
@@ -1717,7 +2146,7 @@ function wp_set_object_terms($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);
@@ -1729,6 +2158,7 @@ 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)) )
@@ -1751,9 +2181,11 @@ 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, $tt_ids);
@@ -1793,7 +2225,7 @@ function wp_set_object_terms($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.
*
@@ -1936,6 +2368,9 @@ function wp_update_term( $term_id, $taxonomy, $args = array() ) {
}
}
+ // Check $parent to see if it will cause a hierarchy loop
+ $parent = apply_filters( 'wp_update_term_parent', $parent, $term_id, $taxonomy, compact( array_keys( $args ) ), $args );
+
// Check for duplicate slug
$id = $wpdb->get_var( $wpdb->prepare( "SELECT term_id FROM $wpdb->terms WHERE slug = %s", $slug ) );
if ( $id && ($id != $term_id) ) {
@@ -1996,7 +2431,7 @@ function wp_defer_term_counting($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
@@ -2055,14 +2490,19 @@ 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);
@@ -2074,7 +2514,6 @@ function wp_update_term_count_now( $terms, $taxonomy ) {
// Cache
//
-
/**
* Removes the taxonomy relationship to terms from the cache.
*
@@ -2104,7 +2543,6 @@ function clean_object_term_cache($object_ids, $object_type) {
do_action('clean_object_term_cache', $object_ids, $object_type);
}
-
/**
* Will remove all of the term ids from the cache.
*
@@ -2165,7 +2603,6 @@ function clean_term_cache($ids, $taxonomy = '', $clean_taxonomy = true) {
wp_cache_set('last_changed', time(), 'terms');
}
-
/**
* Retrieves the taxonomy relationship to the term object id.
*
@@ -2184,7 +2621,6 @@ function &get_object_term_cache($id, $taxonomy) {
return $cache;
}
-
/**
* Updates the cache for Term ID(s).
*
@@ -2238,7 +2674,7 @@ function update_object_term_cache($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();
@@ -2249,12 +2685,11 @@ 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.
*
@@ -2279,7 +2714,6 @@ function update_term_cache($terms, $taxonomy = '') {
// Private
//
-
/**
* Retrieves children of taxonomy as Term IDs.
*
@@ -2312,7 +2746,6 @@ function _get_term_hierarchy($taxonomy) {
return $children;
}
-
/**
* Get the subset of $terms that are descendants of $term_id.
*
@@ -2369,7 +2802,6 @@ function &_get_term_children($term_id, $terms, $taxonomy) {
return $term_list;
}
-
/**
* Add count of children to parent count.
*
@@ -2417,8 +2849,8 @@ function _pad_term_counts(&$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][$item_id]: 1;
}
@@ -2454,28 +2886,76 @@ function _pad_term_counts(&$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.
*
* @since 2.5.0
*
+ * @uses apply_filters() Calls 'term_link' with term link and term object, and taxonomy parameters.
+ * @uses apply_filters() For the post_tag Taxonomy, Calls 'tag_link' with tag link and tag ID as parameters.
+ * @uses apply_filters() For the category Taxonomy, Calls 'category_link' filter on category link and category ID.
+ *
* @param object|int|string $term
- * @param string $taxonomy
- * @return string HTML link to taxonomy term archive
+ * @param string $taxonomy (optional if $term is object)
+ * @return string|WP_Error HTML link to taxonomy term archive on success, WP_Error if term does not exist.
*/
-function get_term_link( $term, $taxonomy ) {
+function get_term_link( $term, $taxonomy = '') {
global $wp_rewrite;
if ( !is_object($term) ) {
@@ -2492,27 +2972,43 @@ 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);
+ $taxonomy = $term->taxonomy;
$termlink = $wp_rewrite->get_extra_permastruct($taxonomy);
$slug = $term->slug;
+ $t = get_taxonomy($taxonomy);
if ( empty($termlink) ) {
- $t = get_taxonomy($taxonomy);
- 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";
$termlink = home_url($termlink);
} else {
- $termlink = str_replace("%$taxonomy%", $slug, $termlink);
+ if ( $t->rewrite['hierarchical'] ) {
+ $hierarchical_slugs = array();
+ $ancestors = get_ancestors($term->term_id, $taxonomy);
+ foreach ( (array)$ancestors as $ancestor ) {
+ $ancestor_term = get_term($ancestor, $taxonomy);
+ $hierarchical_slugs[] = $ancestor_term->slug;
+ }
+ $hierarchical_slugs = array_reverse($hierarchical_slugs);
+ $hierarchical_slugs[] = $slug;
+ $termlink = str_replace("%$taxonomy%", implode('/', $hierarchical_slugs), $termlink);
+ } else {
+ $termlink = str_replace("%$taxonomy%", $slug, $termlink);
+ }
$termlink = home_url( user_trailingslashit($termlink, 'category') );
}
+ // Back Compat filters.
+ if ( 'post_tag' == $taxonomy )
+ $termlink = apply_filters( 'tag_link', $termlink, $term->term_id );
+ elseif ( 'category' == $taxonomy )
+ $termlink = apply_filters( 'category_link', $termlink, $term->term_id );
+
return apply_filters('term_link', $termlink, $term, $taxonomy);
}
@@ -2528,6 +3024,7 @@ function get_term_link( $term, $taxonomy ) {
* 'before' : default is empty string. Display before taxonomies list.
* 'sep' : default is empty string. Separate every taxonomy with value in this.
* 'after' : default is empty string. Display this after the taxonomies list.
+ * 'template' : The template to use for displaying the taxonomy terms.
*
* @since 2.5.0
* @uses get_the_taxonomies()
@@ -2540,12 +3037,13 @@ function the_taxonomies($args = array()) {
'before' => '',
'sep' => ' ',
'after' => '',
+ 'template' => '%s: %l.'
);
$r = wp_parse_args( $args, $defaults );
extract( $r, EXTR_SKIP );
- echo $before . join($sep, get_the_taxonomies($post)) . $after;
+ echo $before . join($sep, get_the_taxonomies($post, $r)) . $after;
}
/**
@@ -2557,21 +3055,25 @@ function the_taxonomies($args = array()) {
* @since 2.5.0
*
* @param int $post Optional. Post ID or will use Global Post ID (in loop).
+ * @param array $args Override the defaults.
* @return array
*/
-function get_the_taxonomies($post = 0) {
+function get_the_taxonomies($post = 0, $args = array() ) {
if ( is_int($post) )
$post =& get_post($post);
elseif ( !is_object($post) )
$post =& $GLOBALS['post'];
+ $args = wp_parse_args( $args, array(
+ 'template' => '%s: %l.',
+ ) );
+ extract( $args, EXTR_SKIP );
+
$taxonomies = array();
if ( !$post )
return $taxonomies;
- $template = apply_filters('taxonomy_template', '%s: %l.');
-
foreach ( get_object_taxonomies($post) as $taxonomy ) {
$t = (array) get_taxonomy($taxonomy);
if ( empty($t['label']) )
@@ -2588,7 +3090,7 @@ function get_the_taxonomies($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, $terms);
@@ -2622,9 +3124,9 @@ function get_post_taxonomies($post = 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
+ * @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 ) {
@@ -2668,7 +3170,7 @@ function is_object_in_term( $object_id, $taxonomy, $terms = null ) {
* @uses get_object_taxonomies()
*
* @param string $object_type Object type string
- * @param string $taxonomy. Single taxonomy name
+ * @param string $taxonomy Single taxonomy name
* @return bool True if object is associated with the taxonomy, otherwise false.
*/
function is_object_in_taxonomy($object_type, $taxonomy) {
@@ -2682,3 +3184,97 @@ function is_object_in_taxonomy($object_type, $taxonomy) {
return false;
}
+
+/**
+ * Get an array of ancestor IDs for a given object.
+ *
+ * @param int $object_id The ID of the object
+ * @param string $object_type The type of object for which we'll be retrieving ancestors.
+ * @return array of ancestors from lowest to highest in the hierarchy.
+ */
+function get_ancestors($object_id = 0, $object_type = '') {
+ $object_id = (int) $object_id;
+
+ $ancestors = array();
+
+ if ( empty( $object_id ) ) {
+ return apply_filters('get_ancestors', $ancestors, $object_id, $object_type);
+ }
+
+ if ( is_taxonomy_hierarchical( $object_type ) ) {
+ $term = get_term($object_id, $object_type);
+ while ( ! is_wp_error($term) && ! empty( $term->parent ) && ! in_array( $term->parent, $ancestors ) ) {
+ $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);
+ }
+ }
+ }
+
+ return apply_filters('get_ancestors', $ancestors, $object_id, $object_type);
+}
+
+/**
+ * Returns the term's parent's term_ID
+ *
+ * @since 3.1.0
+ *
+ * @param int $term_id
+ * @param string $taxonomy
+ *
+ * @return int|bool false on error
+ */
+function wp_get_term_taxonomy_parent_id( $term_id, $taxonomy ) {
+ $term = get_term( $term_id, $taxonomy );
+ if ( !$term || is_wp_error( $term ) )
+ return false;
+ return (int) $term->parent;
+}
+
+/**
+ * Checks the given subset of the term hierarchy for hierarchy loops.
+ * Prevents loops from forming and breaks those that it finds.
+ *
+ * Attached to the wp_update_term_parent filter.
+ *
+ * @since 3.1.0
+ * @uses wp_find_hierarchy_loop()
+ *
+ * @param int $parent term_id of the parent for the term we're checking.
+ * @param int $term_id The term we're checking.
+ * @param string $taxonomy The taxonomy of the term we're checking.
+ *
+ * @return int The new parent for the term.
+ */
+function wp_check_term_hierarchy_for_loops( $parent, $term_id, $taxonomy ) {
+ // Nothing fancy here - bail
+ if ( !$parent )
+ return 0;
+
+ // Can't be its own parent
+ if ( $parent == $term_id )
+ return 0;
+
+ // Now look for larger loops
+
+ if ( !$loop = wp_find_hierarchy_loop( 'wp_get_term_taxonomy_parent_id', $term_id, $parent, array( $taxonomy ) ) )
+ return $parent; // No loop
+
+ // Setting $parent to the given value causes a loop
+ if ( isset( $loop[$term_id] ) )
+ return 0;
+
+ // There's a loop, but it doesn't contain $term_id. Break the loop.
+ foreach ( array_keys( $loop ) as $loop_member )
+ wp_update_term( $loop_member, $taxonomy, array( 'parent' => 0 ) );
+
+ return $parent;
+}