mirror of
https://github.com/WordPress/WordPress.git
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git-svn-id: http://svn.automattic.com/wordpress/trunk@6655 1a063a9b-81f0-0310-95a4-ce76da25c4cd
178 lines
4.6 KiB
PHP
178 lines
4.6 KiB
PHP
<?php
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function get_all_category_ids() {
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if ( ! $cat_ids = wp_cache_get('all_category_ids', 'category') ) {
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$cat_ids = get_terms('category', 'fields=ids&get=all');
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wp_cache_add('all_category_ids', $cat_ids, 'category');
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}
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return $cat_ids;
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}
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function &get_categories($args = '') {
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$defaults = array('type' => 'category');
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$args = wp_parse_args($args, $defaults);
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$taxonomy = 'category';
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if ( 'link' == $args['type'] )
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$taxonomy = 'link_category';
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$categories = get_terms($taxonomy, $args);
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foreach ( array_keys($categories) as $k )
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_make_cat_compat($categories[$k]);
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return $categories;
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}
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// Retrieves category data given a category ID or category object.
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// Handles category caching.
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function &get_category($category, $output = OBJECT, $filter = 'raw') {
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$category = get_term($category, 'category', $output, $filter);
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if ( is_wp_error( $category ) )
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return $category;
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_make_cat_compat($category);
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return $category;
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}
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function get_category_by_path($category_path, $full_match = true, $output = OBJECT) {
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$category_path = rawurlencode(urldecode($category_path));
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$category_path = str_replace('%2F', '/', $category_path);
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$category_path = str_replace('%20', ' ', $category_path);
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$category_paths = '/' . trim($category_path, '/');
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$leaf_path = sanitize_title(basename($category_paths));
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$category_paths = explode('/', $category_paths);
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$full_path = '';
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foreach ( (array) $category_paths as $pathdir )
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$full_path .= ( $pathdir != '' ? '/' : '' ) . sanitize_title($pathdir);
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$categories = get_terms('category', "get=all&slug=$leaf_path");
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if ( empty($categories) )
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return NULL;
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foreach ($categories as $category) {
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$path = '/' . $leaf_path;
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$curcategory = $category;
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while ( ($curcategory->parent != 0) && ($curcategory->parent != $curcategory->term_id) ) {
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$curcategory = get_term($curcategory->parent, 'category');
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if ( is_wp_error( $curcategory ) )
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return $curcategory;
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$path = '/' . $curcategory->slug . $path;
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}
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if ( $path == $full_path )
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return get_category($category->term_id, $output);
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}
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// If full matching is not required, return the first cat that matches the leaf.
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if ( ! $full_match )
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return get_category($categories[0]->term_id, $output);
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return NULL;
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}
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function get_category_by_slug( $slug ) {
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$category = get_term_by('slug', $slug, 'category');
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if ( $category )
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_make_cat_compat($category);
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return $category;
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}
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// Get the ID of a category from its name
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function get_cat_ID($cat_name='General') {
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$cat = get_term_by('name', $cat_name, 'category');
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if ($cat)
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return $cat->term_id;
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return 0;
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}
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// Deprecate
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function get_catname($cat_ID) {
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return get_cat_name($cat_ID);
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}
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// Get the name of a category from its ID
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function get_cat_name($cat_id) {
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$cat_id = (int) $cat_id;
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$category = &get_category($cat_id);
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return $category->name;
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}
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function cat_is_ancestor_of($cat1, $cat2) {
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if ( is_int($cat1) )
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$cat1 = & get_category($cat1);
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if ( is_int($cat2) )
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$cat2 = & get_category($cat2);
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if ( !$cat1->term_id || !$cat2->parent )
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return false;
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if ( $cat2->parent == $cat1->term_id )
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return true;
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return cat_is_ancestor_of($cat1, get_category($cat2->parent));
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}
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function sanitize_category($category, $context = 'display') {
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return sanitize_term($category, 'category', $context);
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}
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function sanitize_category_field($field, $value, $cat_id, $context) {
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return sanitize_term_field($field, $value, $cat_id, 'category', $context);
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}
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// Tags
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function &get_tags($args = '') {
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$tags = get_terms('post_tag', $args);
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if ( empty($tags) )
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return array();
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$tags = apply_filters('get_tags', $tags, $args);
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return $tags;
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}
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function &get_tag($tag, $output = OBJECT, $filter = 'raw') {
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return get_term($tag, 'post_tag', $output, $filter);
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}
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//
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// Cache
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//
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function update_category_cache() {
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return true;
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}
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function clean_category_cache($id) {
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clean_term_cache($id, 'category');
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}
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//
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// Private helpers
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//
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function _make_cat_compat( &$category) {
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if ( is_object($category) ) {
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$category->cat_ID = &$category->term_id;
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$category->category_count = &$category->count;
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$category->category_description = &$category->description;
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$category->cat_name = &$category->name;
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$category->category_nicename = &$category->slug;
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$category->category_parent = &$category->parent;
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} else if ( is_array($category) && isset($category['term_id']) ) {
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$category['cat_ID'] = &$category['term_id'];
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$category['category_count'] = &$category['count'];
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$category['category_description'] = &$category['description'];
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$category['cat_name'] = &$category['name'];
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$category['category_nicename'] = &$category['slug'];
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$category['category_parent'] = &$category['parent'];
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}
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}
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?>
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