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<?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'];
}
}
?>
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