Wordpress 2.3.2

[autoinstalls/wordpress.git] / wp-includes / category.php

diff --git a/wp-includes/category.php b/wp-includes/category.php
new file mode 100644 (file)
index 0000000..71e5be8
--- /dev/null
+++ b/wp-includes/category.php
@@ -0,0 +1,193 @@
+<?php
+
+function get_all_category_ids() {
+       global $wpdb;
+
+       if ( ! $cat_ids = wp_cache_get('all_category_ids', 'category') ) {
+               $cat_ids = get_terms('category', 'fields=ids&get=all');
+               wp_cache_add('all_category_ids', $cat_ids, 'category');
+       }
+
+       return $cat_ids;
+}
+
+function &get_categories($args = '') {
+       $defaults = array('type' => 'category');
+       $args = wp_parse_args($args, $defaults);
+
+       $taxonomy = 'category';
+       if ( 'link' == $args['type'] )
+               $taxonomy = 'link_category';
+       $categories = get_terms($taxonomy, $args);
+
+       foreach ( array_keys($categories) as $k )
+               _make_cat_compat($categories[$k]);
+
+       return $categories;
+}
+
+// Retrieves category data given a category ID or category object.
+// Handles category caching.
+function &get_category($category, $output = OBJECT, $filter = 'raw') {
+       $category = get_term($category, 'category', $output, $filter);
+       if ( is_wp_error( $category ) )
+               return $category;
+
+       _make_cat_compat($category);
+
+       return $category;
+}
+
+function get_category_by_path($category_path, $full_match = true, $output = OBJECT) {
+       global $wpdb;
+       $category_path = rawurlencode(urldecode($category_path));
+       $category_path = str_replace('%2F', '/', $category_path);
+       $category_path = str_replace('%20', ' ', $category_path);
+       $category_paths = '/' . trim($category_path, '/');
+       $leaf_path  = sanitize_title(basename($category_paths));
+       $category_paths = explode('/', $category_paths);
+       $full_path = '';
+       foreach ( (array) $category_paths as $pathdir )
+               $full_path .= ( $pathdir != '' ? '/' : '' ) . sanitize_title($pathdir);
+
+       $categories = get_terms('category', "get=all&slug=$leaf_path");
+
+       if ( empty($categories) )
+               return NULL;
+
+       foreach ($categories as $category) {
+               $path = '/' . $leaf_path;
+               $curcategory = $category;
+               while ( ($curcategory->parent != 0) && ($curcategory->parent != $curcategory->term_id) ) {
+                       $curcategory = get_term($curcategory->parent, 'category');
+                       if ( is_wp_error( $curcategory ) )
+                               return $curcategory;
+                       $path = '/' . $curcategory->slug . $path;
+               }
+
+               if ( $path == $full_path )
+                       return get_category($category->term_id, $output);
+       }
+
+       // If full matching is not required, return the first cat that matches the leaf.
+       if ( ! $full_match )
+               return get_category($categories[0]->term_id, $output);
+
+       return NULL;
+}
+
+function get_category_by_slug( $slug  ) {
+       $category = get_term_by('slug', $slug, 'category');
+       if ( $category )
+               _make_cat_compat($category);
+
+       return $category;
+}
+
+// Get the ID of a category from its name
+function get_cat_ID($cat_name='General') {
+       global $wpdb;
+
+       $cat = get_term_by('name', $cat_name, 'category');
+       if ($cat)
+               return $cat->term_id;
+       return 0;
+}
+
+// Deprecate
+function get_catname($cat_ID) {
+       return get_cat_name($cat_ID);
+}
+
+// Get the name of a category from its ID
+function get_cat_name($cat_id) {
+       $cat_id = (int) $cat_id;
+       $category = &get_category($cat_id);
+       return $category->name;
+}
+
+function cat_is_ancestor_of($cat1, $cat2) {
+       if ( is_int($cat1) )
+               $cat1 = & get_category($cat1);
+       if ( is_int($cat2) )
+               $cat2 = & get_category($cat2);
+
+       if ( !$cat1->term_id || !$cat2->parent )
+               return false;
+
+       if ( $cat2->parent == $cat1->term_id )
+               return true;
+
+       return cat_is_ancestor_of($cat1, get_category($cat2->parent));
+}
+
+function sanitize_category($category, $context = 'display') {
+       return sanitize_term($category, 'category', $context);
+}
+
+function sanitize_category_field($field, $value, $cat_id, $context) {
+       return sanitize_term_field($field, $value, $cat_id, 'category', $context);
+}
+
+// Tags
+
+function &get_tags($args = '') {
+       global $wpdb, $category_links;
+
+       $key = md5( serialize( $args ) );
+       if ( $cache = wp_cache_get( 'get_tags', 'category' ) )
+               if ( isset( $cache[ $key ] ) )
+                       return apply_filters('get_tags', $cache[$key], $args);
+
+
+       $tags = get_terms('post_tag', $args);
+
+       if ( empty($tags) )
+               return array();
+
+       $cache[ $key ] = $tags;
+       wp_cache_set( 'get_tags', $cache, 'category' );
+
+       $tags = apply_filters('get_tags', $tags, $args);
+       return $tags;
+}
+
+function &get_tag($tag, $output = OBJECT, $filter = 'raw') {
+       return get_term($tag, 'post_tag', $output, $filter);
+}
+
+//
+// Cache
+//
+
+function update_category_cache() {
+       return true;
+}
+
+function clean_category_cache($id) {
+       clean_term_cache($id, 'category');
+}
+
+//
+// Private helpers
+//
+
+function _make_cat_compat( &$category) {
+       if ( is_object($category) ) {
+               $category->cat_ID = &$category->term_id;
+               $category->category_count = &$category->count;
+               $category->category_description = &$category->description;
+               $category->cat_name = &$category->name;
+               $category->category_nicename = &$category->slug;
+               $category->category_parent = &$category->parent;
+       } else if ( is_array($category) && isset($category['term_id']) ) {
+               $category['cat_ID'] = &$category['term_id'];
+               $category['category_count'] = &$category['count'];
+               $category['category_description'] = &$category['description'];
+               $category['cat_name'] = &$category['name'];
+               $category['category_nicename'] = &$category['slug'];
+               $category['category_parent'] = &$category['parent'];
+       }
+}
+
+?>