mirror of
https://github.com/WordPress/WordPress.git
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2f09416258
git-svn-id: http://svn.automattic.com/wordpress/trunk@5700 1a063a9b-81f0-0310-95a4-ce76da25c4cd
941 lines
27 KiB
PHP
941 lines
27 KiB
PHP
<?php
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$wp_taxonomies = array();
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$wp_taxonomies['category'] = (object) array('name' => 'category', 'object_type' => 'post', 'hierarchical' => true, 'update_count_callback' => '_update_post_term_count');
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$wp_taxonomies['post_tag'] = (object) array('name' => 'post_tag', 'object_type' => 'post', 'hierarchical' => false, 'update_count_callback' => '_update_post_term_count');
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$wp_taxonomies['link_category'] = (object) array('name' => 'link_category', 'object_type' => 'link', 'hierarchical' => false);
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function is_taxonomy( $taxonomy ) {
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global $wp_taxonomies;
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return isset($wp_taxonomies[$taxonomy]);
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}
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function get_taxonomy( $taxonomy ) {
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global $wp_taxonomies;
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if ( ! is_taxonomy($taxonomy) )
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return false;
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return $wp_taxonomies[$taxonomy];
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}
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function is_taxonomy_hierarchical($taxonomy) {
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if ( ! is_taxonomy($taxonomy) )
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return false;
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$taxonomy = get_taxonomy($taxonomy);
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return $taxonomy->hierarchical;
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}
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function register_taxonomy( $taxonomy, $object_type, $args = array() ) {
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global $wp_taxonomies;
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$defaults = array('hierarchical' => false, 'update_count_callback' => '');
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$args = wp_parse_args($args, $defaults);
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$args['name'] = $taxonomy;
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$args['object_type'] = $object_type;
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$wp_taxonomies[$taxonomy] = (object) $args;
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}
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function wp_count_terms( $taxonomy, $args = array() ) {
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global $wpdb;
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$defaults = array('ignore_empty' => false);
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$args = wp_parse_args($args, $defaults);
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extract($args);
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$where = '';
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if ( $ignore_empty )
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$where = 'AND count > 0';
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return $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE taxonomy = '$taxonomy' $where");
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}
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/**
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* Adds a new term to the database. Optionally marks it as an alias of an existing term.
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* @param int|string $term The term to add or update.
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* @param string $taxonomy The taxonomy to which to add the term
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* @param int|string $alias_of The id or slug of the new term's alias.
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*/
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function wp_insert_term( $term, $taxonomy, $args = array() ) {
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global $wpdb;
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if ( ! is_taxonomy($taxonomy) )
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return new WP_Error('invalid_taxonomy', __('Invalid taxonomy'));
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$defaults = array( 'alias_of' => '', 'description' => '', 'parent' => 0, 'slug' => '');
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$args = wp_parse_args($args, $defaults);
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$args['name'] = $term;
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$args = sanitize_term($args, $taxonomy, 'db');
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extract($args);
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if ( empty($slug) )
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$slug = sanitize_title($name);
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else
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$slug = sanitize_title($slug);
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$term_group = 0;
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if ( $alias_of ) {
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$alias = $wpdb->fetch_row("SELECT term_id, term_group FROM $wpdb->terms WHERE slug = '$alias_of'");
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if ( $alias->term_group ) {
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// The alias we want is already in a group, so let's use that one.
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$term_group = $alias->term_group;
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} else {
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// The alias isn't in a group, so let's create a new one and firstly add the alias term to it.
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$term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms GROUP BY term_group") + 1;
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$wpdb->query("UPDATE $wpdb->terms SET term_group = $term_group WHERE term_id = $alias->term_id");
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}
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}
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if ( ! $term_id = is_term($slug) ) {
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$wpdb->query("INSERT INTO $wpdb->terms (name, slug, term_group) VALUES ('$name', '$slug', '$term_group')");
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$term_id = (int) $wpdb->insert_id;
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}
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if ( empty($slug) ) {
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$slug = sanitize_title($slug, $term_id);
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$wpdb->query("UPDATE $wpdb->terms SET slug = '$slug' WHERE term_id = '$term_id'");
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}
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$tt_id = $wpdb->get_var("SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = '$taxonomy' AND t.term_id = $term_id");
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if ( !empty($tt_id) )
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return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id);
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$wpdb->query("INSERT INTO $wpdb->term_taxonomy (term_id, taxonomy, description, parent, count) VALUES ('$term_id', '$taxonomy', '$description', '$parent', '0')");
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$tt_id = (int) $wpdb->insert_id;
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do_action("create_term", $term_id, $tt_id);
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do_action("create_$taxonomy", $term_id, $tt_id);
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$term_id = apply_filters('term_id_filter', $term_id, $tt_id);
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clean_term_cache($term_id, $taxonomy);
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do_action("created_term", $term_id, $tt_id);
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do_action("created_$taxonomy", $term_id, $tt_id);
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return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id);
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}
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function wp_delete_object_term_relationships( $object_id, $taxonomies ) {
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global $wpdb;
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$object_id = (int) $object_id;
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if ( !is_array($taxonomies) )
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$taxonomies = array($taxonomies);
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foreach ( $taxonomies as $taxonomy ) {
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$terms = get_object_terms($object_id, $taxonomy, 'fields=tt_ids');
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$in_terms = "'" . implode("', '", $terms) . "'";
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$wpdb->query("DELETE FROM $wpdb->term_relationships WHERE object_id = '$object_id' AND term_taxonomy_id IN ($in_terms)");
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wp_update_term_count($terms, $taxonomy);
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}
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// TODO clear the cache
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}
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/**
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* Removes a term from the database.
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*/
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function wp_delete_term( $term, $taxonomy, $args = array() ) {
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global $wpdb;
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$term = (int) $term;
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if ( ! $ids = is_term($term, $taxonomy) )
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return false;
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$tt_id = $ids['term_taxonomy_id'];
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$defaults = array();
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$args = wp_parse_args($args, $defaults);
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extract($args);
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if ( isset($default) ) {
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$default = (int) $default;
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if ( ! is_term($default, $taxonomy) )
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unset($default);
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}
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// Update children to point to new parent
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if ( is_taxonomy_hierarchical($taxonomy) ) {
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$term_obj = get_term($term, $taxonomy);
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$parent = $term_obj->parent;
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$wpdb->query("UPDATE $wpdb->term_taxonomy SET parent = '$parent' WHERE parent = '$term_obj->term_id' AND taxonomy = '$taxonomy'");
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}
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$objects = $wpdb->get_col("SELECT object_id FROM $wpdb->term_relationships WHERE term_taxonomy_id = '$tt_id'");
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foreach ( (array) $objects as $object ) {
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$terms = get_object_terms($object, $taxonomy, 'fields=ids');
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if ( 1 == count($terms) && isset($default) )
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$terms = array($default);
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else
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$terms = array_diff($terms, array($term));
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wp_set_object_terms($object, $terms, $taxonomy);
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}
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$wpdb->query("DELETE FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = '$tt_id'");
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// Delete the term if no taxonomies use it.
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if ( !$wpdb->get_var("SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = '$term'") )
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$wpdb->query("DELETE FROM $wpdb->terms WHERE term_id = '$term'");
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clean_term_cache($term, $taxonomy);
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do_action("delete_$taxonomy", $term, $tt_id);
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return true;
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}
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function wp_update_term( $term, $taxonomy, $args = array() ) {
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global $wpdb;
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if ( ! is_taxonomy($taxonomy) )
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return new WP_Error('invalid_taxonomy', __('Invalid taxonomy'));
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$term_id = (int) $term;
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// First, get all of the original args
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$term = get_term ($term_id, $taxonomy, ARRAY_A);
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$term = sanitize_term($term, $taxonomy, 'db');
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// Escape data pulled from DB.
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$term = add_magic_quotes($term);
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// Merge old and new args with new args overwriting old ones.
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$args = array_merge($term, $args);
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$defaults = array( 'alias_of' => '', 'description' => '', 'parent' => 0, 'slug' => '');
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$args = wp_parse_args($args, $defaults);
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extract($args);
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if ( empty($slug) )
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$slug = sanitize_title($name);
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else
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$slug = sanitize_title($slug);
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if ( $alias_of ) {
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$alias = $wpdb->fetch_row("SELECT term_id, term_group FROM $wpdb->terms WHERE slug = '$alias_of'");
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if ( $alias->term_group ) {
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// The alias we want is already in a group, so let's use that one.
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$term_group = $alias->term_group;
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} else {
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// The alias isn't in a group, so let's create a new one and firstly add the alias term to it.
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$term_group = $wpdb->get_var("SELECT MAX(term_group) FROM $wpdb->terms GROUP BY term_group") + 1;
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$wpdb->query("UPDATE $wpdb->terms SET term_group = $term_group WHERE term_id = $alias->term_id");
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}
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}
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$wpdb->query("UPDATE $wpdb->terms SET name = '$name', slug = '$slug', term_group = '$term_group' WHERE term_id = '$term_id'");
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if ( empty($slug) ) {
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$slug = sanitize_title($name, $term_id);
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$wpdb->query("UPDATE $wpdb->terms SET slug = '$slug' WHERE term_id = '$term_id'");
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}
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$tt_id = $wpdb->get_var("SELECT tt.term_taxonomy_id FROM $wpdb->term_taxonomy AS tt INNER JOIN $wpdb->terms AS t ON tt.term_id = t.term_id WHERE tt.taxonomy = '$taxonomy' AND t.term_id = $term_id");
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$wpdb->query("UPDATE $wpdb->term_taxonomy SET term_id = '$term_id', taxonomy = '$taxonomy', description = '$description', parent = '$parent' WHERE term_taxonomy_id = '$tt_id'");
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do_action("edit_term", $term_id, $tt_id);
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do_action("edit_$taxonomy", $term_id, $tt_id);
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$term_id = apply_filters('term_id_filter', $term_id, $tt_id);
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clean_term_cache($term_id, $taxonomy);
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do_action("edited_term", $term_id, $tt_id);
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do_action("edited_$taxonomy", $term_id, $tt_id);
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return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id);
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}
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function wp_update_term_count( $terms, $taxonomy ) {
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global $wpdb;
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if ( empty($terms) )
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return false;
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if ( !is_array($terms) )
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$terms = array($terms);
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$terms = array_map('intval', $terms);
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$taxonomy = get_taxonomy($taxonomy);
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if ( isset($taxonomy->update_count_callback) )
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return call_user_func($taxonomy->update_count_callback, $terms);
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// Default count updater
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$count = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->term_relationships WHERE term_taxonomy_id = '$term'");
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$wpdb->query("UPDATE $wpdb->term_taxonomy SET count = '$count' WHERE term_taxonomy_id = '$term'");
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return true;
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}
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/**
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* Returns the index of a defined term, or 0 (false) if the term doesn't exist.
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*/
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function is_term($term, $taxonomy = '') {
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global $wpdb;
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if ( is_int($term) ) {
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$where = "t.term_id = '$term'";
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} else {
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if ( ! $term = sanitize_title($term) )
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return 0;
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$where = "t.slug = '$term'";
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}
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$term_id = $wpdb->get_var("SELECT term_id FROM $wpdb->terms as t WHERE $where");
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if ( empty($taxonomy) || empty($term_id) )
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return $term_id;
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return $wpdb->get_row("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 $where AND tt.taxonomy = '$taxonomy'", ARRAY_A);
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}
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/**
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* Given an array of terms, returns those that are defined term slugs. Ignores integers.
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* @param array $terms The term slugs to check for a definition.
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*/
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function get_defined_terms($terms) {
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global $wpdb;
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foreach ( $terms as $term ) {
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if ( !is_int($term) )
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$searches[] = $term;
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}
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$terms = "'" . implode("', '", $searches) . "'";
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return $wpdb->get_col("SELECT slug FROM $wpdb->terms WHERE slug IN ($terms)");
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}
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/**
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* Relates an object (post, link etc) to a term and taxonomy type. Creates the term and taxonomy
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* relationship if it doesn't already exist. Creates a term if it doesn't exist (using the slug).
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* @param int $object_id The object to relate to.
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* @param array|int|string $term The slug or id of the term.
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* @param array|string $taxonomy The context in which to relate the term to the object.
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*/
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function wp_set_object_terms($object_id, $terms, $taxonomy, $append = false) {
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global $wpdb;
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$object_id = (int) $object_id;
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if ( ! is_taxonomy($taxonomy) )
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return false;
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if ( !is_array($terms) )
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$terms = array($terms);
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if ( ! $append )
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$old_terms = get_object_terms($object_id, $taxonomy, 'fields=tt_ids');
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$tt_ids = array();
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$term_ids = array();
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foreach ($terms as $term) {
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if ( !$id = is_term($term, $taxonomy) )
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$id = wp_insert_term($term, $taxonomy);
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$term_ids[] = $id['term_id'];
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$id = $id['term_taxonomy_id'];
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$tt_ids[] = $id;
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if ( $wpdb->get_var("SELECT term_taxonomy_id FROM $wpdb->term_relationships WHERE object_id = '$object_id' AND term_taxonomy_id = '$id'") )
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continue;
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$wpdb->query("INSERT INTO $wpdb->term_relationships (object_id, term_taxonomy_id) VALUES ('$object_id', '$id')");
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}
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wp_update_term_count($tt_ids, $taxonomy);
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if ( ! $append ) {
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$delete_terms = array_diff($old_terms, $tt_ids);
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if ( $delete_terms ) {
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$delete_terms = "'" . implode("', '", $delete_terms) . "'";
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$wpdb->query("DELETE FROM $wpdb->term_relationships WHERE term_taxonomy_id IN ($delete_terms)");
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$wpdb->query("UPDATE $wpdb->term_taxonomy SET count = count - 1 WHERE term_taxonomy_id IN ($delete_terms)");
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wp_update_term_count($delete_terms, $taxonomy);
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}
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}
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// TODO clean old_terms. Need term_id instead of tt_id
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clean_term_cache($term_ids, $taxonomy);
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return $tt_ids;
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}
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function get_objects_in_term( $terms, $taxonomies, $args = array() ) {
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global $wpdb;
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if ( !is_array( $terms) )
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$terms = array($terms);
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if ( !is_array($taxonomies) )
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$taxonomies = array($taxonomies);
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$defaults = array('order' => 'ASC');
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$args = wp_parse_args( $args, $defaults );
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extract($args);
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$terms = array_map('intval', $terms);
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$taxonomies = "'" . implode("', '", $taxonomies) . "'";
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$terms = "'" . implode("', '", $terms) . "'";
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$object_ids = $wpdb->get_col("SELECT tr.object_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ($taxonomies) AND tt.term_id IN ($terms) ORDER BY tr.object_id $order");
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if ( ! $object_ids )
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return array();
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return $object_ids;
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}
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function get_object_taxonomies($object_type) {
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global $wp_taxonomies;
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$taxonomies = array();
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foreach ( $wp_taxonomies as $taxonomy ) {
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if ( $object_type == $taxonomy->object_type )
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$taxonomies[] = $taxonomy->name;
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}
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return $taxonomies;
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}
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/**
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* Returns the terms associated with the given object(s), in the supplied taxonomies.
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* @param int|array $object_id The id of the object(s)) to retrieve for.
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* @param string|array $taxonomies The taxonomies to retrieve terms from.
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* @return array The requested term data.
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*/
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function get_object_terms($object_ids, $taxonomies, $args = array()) {
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global $wpdb;
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if ( !is_array($taxonomies) )
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$taxonomies = array($taxonomies);
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if ( !is_array($object_ids) )
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$object_ids = array($object_ids);
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$object_ids = array_map('intval', $object_ids);
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$defaults = array('orderby' => 'name', 'order' => 'ASC', 'fields' => 'all');
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$args = wp_parse_args( $args, $defaults );
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extract($args);
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if ( 'count' == $orderby )
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$orderby = 'tt.count';
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else if ( 'name' == $orderby )
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$orderby = 't.name';
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$taxonomies = "'" . implode("', '", $taxonomies) . "'";
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$object_ids = implode(', ', $object_ids);
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if ( 'all' == $fields )
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$select_this = 't.*, tt.*';
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else if ( 'ids' == $fields )
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$select_this = 't.term_id';
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else if ( 'all_with_object_id' == $fields )
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$select_this = 't.*, tt.*, tr.object_id';
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|
|
$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";
|
|
|
|
if ( 'all' == $fields || 'all_with_object_id' == $fields ) {
|
|
$terms = $wpdb->get_results($query);
|
|
update_term_cache($terms);
|
|
} else if ( 'ids' == $fields ) {
|
|
$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");
|
|
}
|
|
|
|
if ( ! $terms )
|
|
return array();
|
|
|
|
return $terms;
|
|
}
|
|
|
|
function &get_terms($taxonomies, $args = '') {
|
|
global $wpdb;
|
|
|
|
$single_taxonomy = false;
|
|
if ( !is_array($taxonomies) ) {
|
|
$single_taxonomy = true;
|
|
$taxonomies = array($taxonomies);
|
|
}
|
|
|
|
$in_taxonomies = "'" . implode("', '", $taxonomies) . "'";
|
|
|
|
$defaults = array('orderby' => 'name', 'order' => 'ASC',
|
|
'hide_empty' => true, 'exclude' => '', 'include' => '',
|
|
'number' => '', 'fields' => 'all', 'slug' => '', 'parent' => '',
|
|
'hierarchical' => true, 'child_of' => 0, 'get' => '');
|
|
$args = wp_parse_args( $args, $defaults );
|
|
$args['number'] = (int) $args['number'];
|
|
if ( !$single_taxonomy || !is_taxonomy_hierarchical($taxonomies[0]) ||
|
|
'' != $args['parent'] ) {
|
|
$args['child_of'] = 0;
|
|
$args['hierarchical'] = false;
|
|
}
|
|
|
|
if ( 'all' == $args['get'] ) {
|
|
$args['child_of'] = 0;
|
|
$args['hide_empty'] = 0;
|
|
$args['hierarchical'] = false;
|
|
}
|
|
extract($args);
|
|
|
|
if ( $child_of ) {
|
|
$hierarchy = _get_term_hierarchy($taxonomies[0]);
|
|
if ( !isset($hierarchy[$child_of]) )
|
|
return array();
|
|
}
|
|
|
|
if ( $parent ) {
|
|
$hierarchy = _get_term_hierarchy($taxonomies[0]);
|
|
if ( !isset($hierarchy[$parent]) )
|
|
return array();
|
|
}
|
|
|
|
$key = md5( serialize( $args ) . serialize( $taxonomies ) );
|
|
if ( $cache = wp_cache_get( 'get_terms', 'terms' ) ) {
|
|
if ( isset( $cache[ $key ] ) )
|
|
return apply_filters('get_terms', $cache[$key], $taxonomies, $args);
|
|
}
|
|
|
|
if ( 'count' == $orderby )
|
|
$orderby = 'tt.count';
|
|
else if ( 'name' == $orderby )
|
|
$orderby = 't.name';
|
|
else
|
|
$orderby = 't.term_id';
|
|
|
|
$where = '';
|
|
$inclusions = '';
|
|
if ( !empty($include) ) {
|
|
$exclude = '';
|
|
$interms = preg_split('/[\s,]+/',$include);
|
|
if ( count($interms) ) {
|
|
foreach ( $interms as $interm ) {
|
|
if (empty($inclusions))
|
|
$inclusions = ' AND ( t.term_id = ' . intval($interm) . ' ';
|
|
else
|
|
$inclusions .= ' OR t.term_id = ' . intval($interm) . ' ';
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( !empty($inclusions) )
|
|
$inclusions .= ')';
|
|
$where .= $inclusions;
|
|
|
|
$exclusions = '';
|
|
if ( !empty($exclude) ) {
|
|
$exterms = preg_split('/[\s,]+/',$exclude);
|
|
if ( count($exterms) ) {
|
|
foreach ( $exterms as $exterm ) {
|
|
if (empty($exclusions))
|
|
$exclusions = ' AND ( t.term_id <> ' . intval($exterm) . ' ';
|
|
else
|
|
$exclusions .= ' AND t.term_id <> ' . intval($exterm) . ' ';
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( !empty($exclusions) )
|
|
$exclusions .= ')';
|
|
$exclusions = apply_filters('list_terms_exclusions', $exclusions, $args );
|
|
$where .= $exclusions;
|
|
|
|
if ( !empty($slug) ) {
|
|
$slug = sanitize_title($slug);
|
|
$where = " AND t.slug = '$slug'";
|
|
}
|
|
|
|
if ( '' != $parent ) {
|
|
$parent = (int) $parent;
|
|
$where = " AND tt.parent = '$parent'";
|
|
}
|
|
|
|
if ( $hide_empty && !$hierarchical )
|
|
$where .= ' AND tt.count > 0';
|
|
|
|
if ( !empty($number) )
|
|
$number = 'LIMIT ' . $number;
|
|
else
|
|
$number = '';
|
|
|
|
if ( 'all' == $fields )
|
|
$select_this = 't.*, tt.*';
|
|
else if ( 'ids' == $fields )
|
|
$select_this = 't.term_id';
|
|
|
|
$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";
|
|
|
|
if ( 'all' == $fields ) {
|
|
$terms = $wpdb->get_results($query);
|
|
update_term_cache($terms);
|
|
} else if ( 'ids' == $fields ) {
|
|
$terms = $wpdb->get_col($query);
|
|
}
|
|
|
|
if ( empty($terms) )
|
|
return array();
|
|
|
|
if ( $child_of || $hierarchical ) {
|
|
$children = _get_term_hierarchy($taxonomies[0]);
|
|
if ( ! empty($children) )
|
|
$terms = & _get_term_children($child_of, $terms, $taxonomies[0]);
|
|
}
|
|
|
|
/*
|
|
// Update category counts to include children.
|
|
if ( $pad_counts )
|
|
_pad_category_counts($type, $categories);
|
|
|
|
// Make sure we show empty categories that have children.
|
|
if ( $hierarchical && $hide_empty ) {
|
|
foreach ( $categories as $k => $category ) {
|
|
if ( ! $category->{'link' == $type ? 'link_count' : 'category_count'} ) {
|
|
$children = _get_cat_children($category->cat_ID, $categories);
|
|
foreach ( $children as $child )
|
|
if ( $child->{'link' == $type ? 'link_count' : 'category_count'} )
|
|
continue 2;
|
|
|
|
// It really is empty
|
|
unset($categories[$k]);
|
|
}
|
|
}
|
|
}
|
|
reset ( $categories );
|
|
*/
|
|
|
|
$cache[ $key ] = $terms;
|
|
wp_cache_set( 'get_terms', $cache, 'term' );
|
|
|
|
$terms = apply_filters('get_terms', $terms, $taxonomies, $args);
|
|
return $terms;
|
|
}
|
|
|
|
function &get_term(&$term, $taxonomy, $output = OBJECT) {
|
|
global $wpdb;
|
|
|
|
if ( empty($term) )
|
|
return null;
|
|
|
|
if ( is_object($term) ) {
|
|
wp_cache_add($term->term_id, $term, $taxonomy);
|
|
$_term = $term;
|
|
} else {
|
|
$term = (int) $term;
|
|
if ( ! $_term = wp_cache_get($term, $taxonomy) ) {
|
|
$_term = $wpdb->get_row("SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE tt.taxonomy = '$taxonomy' AND t.term_id = '$term' LIMIT 1");
|
|
wp_cache_add($term, $_term, $taxonomy);
|
|
}
|
|
}
|
|
|
|
$_term = apply_filters('get_term', $_term, $taxonomy);
|
|
$_term = apply_filters("get_$taxonomy", $_term, $taxonomy);
|
|
|
|
if ( $output == OBJECT ) {
|
|
return $_term;
|
|
} elseif ( $output == ARRAY_A ) {
|
|
return get_object_vars($_term);
|
|
} elseif ( $output == ARRAY_N ) {
|
|
return array_values(get_object_vars($_term));
|
|
} else {
|
|
return $_term;
|
|
}
|
|
}
|
|
|
|
function get_term_by($field, $value, $taxonomy, $output = OBJECT) {
|
|
global $wpdb;
|
|
|
|
if ( ! is_taxonomy($taxonomy) )
|
|
return false;
|
|
|
|
if ( 'slug' == $field ) {
|
|
$field = 't.slug';
|
|
$value = sanitize_title($field);
|
|
if ( empty($value) )
|
|
return false;
|
|
} else if ( 'name' == $field ) {
|
|
// Assume already escaped
|
|
$field = 't.name';
|
|
} else {
|
|
$field = 't.term_id';
|
|
$value = (int) $value;
|
|
}
|
|
|
|
$term = $wpdb->get_row("SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE tt.taxonomy = '$taxonomy' AND $field = '$value' LIMIT 1");
|
|
if ( !$term )
|
|
return false;
|
|
|
|
wp_cache_add($term->term_id, $term, $taxonomy);
|
|
|
|
if ( $output == OBJECT ) {
|
|
return $term;
|
|
} elseif ( $output == ARRAY_A ) {
|
|
return get_object_vars($term);
|
|
} elseif ( $output == ARRAY_N ) {
|
|
return array_values(get_object_vars($term));
|
|
} else {
|
|
return $term;
|
|
}
|
|
}
|
|
|
|
function get_term_children( $term, $taxonomy ) {
|
|
$terms = _get_term_hierarchy($taxonomy);
|
|
|
|
if ( ! isset($terms[$term]) )
|
|
return array();
|
|
|
|
$children = $terms[$term];
|
|
|
|
foreach ( $terms[$term] as $child ) {
|
|
if ( isset($terms[$child]) )
|
|
$children = array_merge($children, get_term_children($child, $taxonomy));
|
|
}
|
|
|
|
return $children;
|
|
}
|
|
|
|
function get_term_field( $field, $term, $taxonomy, $context = 'display' ) {
|
|
$term = (int) $term;
|
|
$term = get_term( $term, $taxonomy );
|
|
|
|
if ( !is_object($term) )
|
|
return '';
|
|
|
|
if ( !isset($term->$field) )
|
|
return '';
|
|
|
|
return sanitize_term_field($field, $term->$field, $term->term_id, $taxonomy, $context);
|
|
}
|
|
|
|
function get_term_to_edit( $id, $taxonomy ) {
|
|
$term = get_term( $id, $taxonomy );
|
|
|
|
if ( !is_object($term) )
|
|
return '';
|
|
|
|
return sanitize_term($term, $taxonomy, 'edit');
|
|
}
|
|
|
|
function sanitize_term($term, $taxonomy, $context = 'display') {
|
|
$fields = array('term_id', 'name', 'description', 'slug', 'count', 'term_group');
|
|
|
|
$do_object = false;
|
|
if ( is_object($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);
|
|
}
|
|
|
|
return $term;
|
|
}
|
|
|
|
function sanitize_term_field($field, $value, $term_id, $taxonomy, $context) {
|
|
if ( 'parent' == $field || 'term_id' == $field || 'count' == $field
|
|
|| 'term_group' == $field )
|
|
$value = (int) $value;
|
|
|
|
if ( 'edit' == $context ) {
|
|
$value = apply_filters("edit_term_$field", $value, $term_id, $taxonomy);
|
|
$value = apply_filters("edit_${taxonomy}_$field", $value, $term_id);
|
|
if ( 'description' == $field )
|
|
$value = format_to_edit($value);
|
|
else
|
|
$value = attribute_escape($value);
|
|
} else if ( 'db' == $context ) {
|
|
$value = apply_filters("pre_term_$field", $value, $taxonomy);
|
|
$value = apply_filters("pre_${taxonomy}_$field", $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);
|
|
}
|
|
|
|
// TODO: attribute is usually done in an edit context, so display filters probably
|
|
// not appropriate.
|
|
if ( 'attribute' == $context )
|
|
$value = attribute_escape($value);
|
|
else if ( 'js' == $context )
|
|
$value = js_escape($value);
|
|
|
|
return $value;
|
|
}
|
|
|
|
//
|
|
// Cache
|
|
//
|
|
|
|
function clean_term_cache($ids, $taxonomy) {
|
|
if ( !is_array($ids) )
|
|
$ids = array($ids);
|
|
|
|
foreach ( $ids as $id ) {
|
|
wp_cache_delete($id, $taxonomy);
|
|
}
|
|
|
|
wp_cache_delete('all_ids', $taxonomy);
|
|
wp_cache_delete('get', $taxonomy);
|
|
delete_option("{$taxonomy}_children");
|
|
wp_cache_delete('get_terms', 'terms');
|
|
}
|
|
|
|
function update_term_cache($terms, $taxonomy = '') {
|
|
foreach ( $terms as $term ) {
|
|
$term_taxonomy = $taxonomy;
|
|
if ( empty($term_taxonomy) )
|
|
$term_taxonomy = $term->taxonomy;
|
|
|
|
wp_cache_add($term->term_id, $term, $term_taxonomy);
|
|
}
|
|
}
|
|
|
|
function clean_object_term_cache($object_ids, $object_type) {
|
|
global $object_term_cache, $blog_id;
|
|
|
|
if ( !is_array($ids) )
|
|
$ids = array($ids);
|
|
|
|
$taxonomies = get_object_taxonomies($object_type);
|
|
|
|
foreach ( $ids as $id ) {
|
|
foreach ( $taxonomies as $taxonomy ) {
|
|
if ( isset($object_term_cache[$blog_id][$id][$taxonomy]) )
|
|
unset($object_term_cache[$blog_id][$id][$taxonomy]);
|
|
}
|
|
}
|
|
}
|
|
|
|
function &get_object_term_cache($id, $taxonomy) {
|
|
global $object_term_cache, $blog_id;
|
|
|
|
if ( isset($object_term_cache[$blog_id][$id][$taxonomy]) )
|
|
return $object_term_cache[$blog_id][$id][$taxonomy];
|
|
|
|
if ( isset($object_term_cache[$blog_id][$id]) )
|
|
return array();
|
|
|
|
return false;
|
|
}
|
|
|
|
function update_object_term_cache($object_ids, $object_type) {
|
|
global $wpdb, $object_term_cache, $blog_id;
|
|
|
|
if ( empty($object_ids) )
|
|
return;
|
|
|
|
if ( !is_array($object_ids) )
|
|
$object_ids = explode(',', $object_ids);
|
|
|
|
$count = count( $object_ids);
|
|
for ( $i = 0; $i < $count; $i++ ) {
|
|
$object_id = (int) $object_ids[ $i ];
|
|
if ( isset( $object_term_cache[$blog_id][$object_id] ) ) {
|
|
unset( $object_ids[ $i ] );
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if ( count( $object_ids ) == 0 )
|
|
return;
|
|
|
|
$terms = get_object_terms($object_ids, get_object_taxonomies($object_type), 'fields=all_with_object_id');
|
|
|
|
if ( empty($terms) )
|
|
return;
|
|
|
|
foreach ( $terms as $term )
|
|
$object_term_cache[$blog_id][$term->object_id][$term->taxonomy][$term->term_id] = $term;
|
|
|
|
foreach ( $object_ids as $id ) {
|
|
if ( ! isset($object_term_cache[$blog_id][$id]) )
|
|
$object_term_cache[$blog_id][$id] = array();
|
|
}
|
|
}
|
|
|
|
//
|
|
// Private
|
|
//
|
|
|
|
function _get_term_hierarchy($taxonomy) {
|
|
// TODO Make sure taxonomy is hierarchical
|
|
$children = get_option("{$taxonomy}_children");
|
|
if ( is_array($children) )
|
|
return $children;
|
|
|
|
$children = array();
|
|
$terms = get_terms($taxonomy, 'get=all');
|
|
foreach ( $terms as $term ) {
|
|
if ( $term->parent > 0 )
|
|
$children[$term->parent][] = $term->term_id;
|
|
}
|
|
update_option("{$taxonomy}_children", $children);
|
|
|
|
return $children;
|
|
}
|
|
|
|
function &_get_term_children($term_id, $terms, $taxonomy) {
|
|
if ( empty($terms) )
|
|
return array();
|
|
|
|
$term_list = array();
|
|
$has_children = _get_term_hierarchy($taxonomy);
|
|
|
|
if ( ( 0 != $term_id ) && ! isset($has_children[$term_id]) )
|
|
return array();
|
|
|
|
foreach ( $terms as $term ) {
|
|
$use_id = false;
|
|
if ( !is_object($term) ) {
|
|
$term = get_term($term, $taxonomy);
|
|
$use_id = true;
|
|
}
|
|
|
|
if ( $term->term_id == $term_id )
|
|
continue;
|
|
|
|
if ( $term->parent == $term_id ) {
|
|
if ( $use_id )
|
|
$term_list[] = $term->term_id;
|
|
else
|
|
$term_list[] = $term;
|
|
|
|
if ( !isset($has_children[$term->term_id]) )
|
|
continue;
|
|
|
|
if ( $children = _get_term_children($term->term_id, $terms, $taxonomy) )
|
|
$term_list = array_merge($term_list, $children);
|
|
}
|
|
}
|
|
|
|
return $term_list;
|
|
}
|
|
|
|
//
|
|
// Default callbacks
|
|
//
|
|
|
|
function _update_post_term_count( $terms ) {
|
|
global $wpdb;
|
|
|
|
foreach ( $terms as $term ) {
|
|
$count = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->term_relationships, $wpdb->posts WHERE $wpdb->posts.ID = $wpdb->term_relationships.object_id AND post_status = 'publish' AND post_type = 'post' AND term_taxonomy_id = '$term'");
|
|
$wpdb->query("UPDATE $wpdb->term_taxonomy SET count = '$count' WHERE term_taxonomy_id = '$term'");
|
|
}
|
|
}
|
|
|
|
?>
|