本文整理汇总了PHP中is_taxonomy函数的典型用法代码示例。如果您正苦于以下问题：PHP is_taxonomy函数的具体用法？PHP is_taxonomy怎么用？PHP is_taxonomy使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了is_taxonomy函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: spg_clean_data
function spg_clean_data()
{
$easymedia_values = get_option('easy_media_opt');
if (is_array($easymedia_values) && array_key_exists($name, $easymedia_values)) {
$keepornot = $easymedia_values['easymedia_disen_databk'];
}
if ($keepornot != '1') {
//$wpdb->query("DELETE FROM `wp_options` WHERE `option_name` LIKE 'emediagallery_%'");
delete_option('easy_media_opt');
// Remove plugin-specific custom post type entries.
$posts = get_posts(array('numberposts' => -1, 'post_type' => 'easymediagallery', 'post_status' => 'any'));
foreach ($posts as $post) {
wp_delete_post($post->ID, true);
}
// Remove plugin-specific custom taxonomies and terms.
$tax = 'emediagallery';
if (is_taxonomy($tax)) {
foreach ($tax as $taxonomy) {
$terms = get_terms($taxonomy, array('get ' => 'all'));
foreach ($terms as $term) {
wp_delete_term($term->term_id, $taxonomy);
}
unset($wp_taxonomies[$taxonomy]);
}
}
} else {
}
}示例2: p2_body_class
function p2_body_class()
{
if (is_taxonomy('mentions')) {
return body_class('mentions');
}
return body_class();
}示例3: __construct
function __construct()
{
global $pagenow;
// Load plugin options
$this->load_options();
// Register new taxonomy so that we can store all our authors
if (!is_taxonomy($this->coauthor_taxonomy)) {
register_taxonomy($this->coauthor_taxonomy, 'post', array('hierarchical' => false, 'update_count_callback' => '_update_post_term_count', 'label' => false, 'query_var' => false, 'rewrite' => false, 'sort' => true));
}
// Modify SQL queries to include coauthors
add_filter('posts_where', array(&$this, 'posts_where_filter'));
add_filter('posts_join', array(&$this, 'posts_join_filter'));
add_filter('posts_groupby', array(&$this, 'posts_groupby_filter'));
// Hooks to add additional coauthors to author column to Edit Posts page
if ($pagenow == 'edit.php') {
add_filter('manage_posts_columns', array(&$this, '_filter_manage_posts_columns'));
add_action('manage_posts_custom_column', array(&$this, '_filter_manage_posts_custom_column'));
}
// Action to set users when a post is saved
//add_action('edit_post', array(&$this, 'coauthors_update_post'));
add_action('save_post', array(&$this, 'coauthors_update_post'));
// Action to reassign posts when a user is deleted
add_action('delete_user', array(&$this, 'delete_user_action'));
// Action to set up author auto-suggest
add_action('wp_ajax_coauthors_ajax_suggest', array(&$this, 'ajax_suggest'));
// Filter to allow coauthors to edit posts
add_filter('user_has_cap', array(&$this, 'add_coauthor_cap'), 10, 3);
add_filter('comment_notification_headers', array(&$this, 'notify_coauthors'), 10, 3);
// Add the main JS script and CSS file
if (get_bloginfo('version') >= 2.8) {
// Using WordPress 2.8, are we?
add_action('admin_enqueue_scripts', array(&$this, 'enqueue_scripts'));
} else {
// Pfft, you're old school
add_action('admin_print_scripts', array(&$this, 'enqueue_scripts_legacy'));
}
// Add necessary JS variables
add_action('admin_print_scripts', array(&$this, 'js_vars'));
}示例4: spg_clean_data
function spg_clean_data()
{
if (easy_gt_option('easymedia_disen_databk') != '1') {
delete_option('easy_media_opt');
// Remove plugin-specific custom post type entries.
$posts = get_posts(array('numberposts' => -1, 'post_type' => 'easymediagallery', 'post_status' => 'any'));
foreach ($posts as $post) {
wp_delete_post($post->ID, true);
}
// Remove plugin-specific custom taxonomies and terms ( not work ).
$tax = 'emediagallery';
if (is_taxonomy($tax)) {
foreach ($tax as $taxonomy) {
$terms = get_terms($taxonomy, array('get ' => 'all'));
foreach ($terms as $term) {
wp_delete_term($term->term_id, $taxonomy);
}
unset($wp_taxonomies[$taxonomy]);
}
}
delete_option('easy_media_opt');
}
}示例5: tFeedLink
/**
* Universal Feed Link Generator
* @see wp-includes/rewrite.php, wp-includes/taxonomy.php, wp-includes/feed.php
* @see wp-includes/link-template.php: get_category_feed_link
* @uses get_term_by, is_taxonomy, get_default_feed, get_option, add_query_arg,
* get_category_permastruct, get_tag_permastruct, get_category_parents
* user_trailingslashit, trailingslashit
* @param string custom feed name or taxonomy
* @param int only needed for some feeds
* @global object url rewriter
* @return string full url
*/
function tFeedLink($feed = '', $id = false)
{
$taxonomy = '';
$term = '';
if ($id && is_taxonomy($feed)) {
$taxonomy = $feed;
$term = get_term_by('id', $id, $taxonomy);
}
global $wp_rewrite;
if (empty($feed)) {
$feed = get_default_feed();
}
if (get_option('permalink_structure') == '') {
# no wp-rewrite
$link = add_query_arg(array('feed' => $feed, $taxonomy => $term), get_bloginfo('url'));
} elseif ($feed == 'category' || $feed == 'tag') {
if (!empty($term)) {
$link = $taxonomy == 'category' ? $wp_rewrite->get_category_permastruct() : $wp_rewrite->get_tag_permastruct();
$slug = $term->slug;
if ($taxonomy == 'category') {
if ($term->parent != 0) {
$slug = get_category_parents($term->parent, false, '/', true) . $slug;
}
$link = str_replace('%category%', $slug, $link);
} elseif ($taxonomy == 'post_tag') {
$link = str_replace('%tag%', $slug, $link);
}
$feed = user_trailingslashit('feed' . ($feed != get_default_feed() && $feed != $taxonomy ? '/' . $feed : ''), 'feed');
$link = trailingslashit(get_bloginfo('url') . $link) . $feed;
}
} elseif ($feed == 'work' || $feed == 'writing') {
} elseif ($feed == 'comments') {
}
$link = apply_filters('t_term__link', $link, $feed);
return $link;
}示例6: query_content
function query_content($args = array())
{
global $hmcontent;
$hmdb = new MySQL(true, DB_NAME, DB_HOST, DB_USER, DB_PASSWORD, DB_CHARSET);
hook_filter('before_query_content', $args);
hook_action('query_content');
if (!is_array($args)) {
parse_str($args, $args);
}
/** Lọc theo content_key */
if (isset($args['content_key'])) {
/** Nếu yêu cầu content key thì lấy các id có key như query yêu cầu */
$content_key = $args['content_key'];
/** Nếu content key là một mảng */
if (is_array($content_key)) {
$where_key = '';
$i = 0;
foreach ($content_key as $key) {
if ($i == 0) {
$where_key .= " `key` = '" . $key . "' ";
} else {
$where_key .= " OR `key` = '" . $key . "' ";
}
$i++;
}
$where_content_key = "WHERE " . $where_key;
} else {
$where_content_key = "WHERE `key` = '" . $content_key . "'";
}
} else {
/** Không yêu cầu content key, kiểm tra xem có đang ở template taxonomy không */
if (is_taxonomy() == TRUE) {
$taxonomy_id = get_id();
$content_key = taxonomy_get_content_key($taxonomy_id);
if ($content_key != FALSE) {
$where_content_key = "WHERE `key` = '" . $content_key . "'";
}
} else {
$where_content_key = '';
}
}
$hmdb->Release();
$query_content_key = "SELECT `id` FROM `" . DB_PREFIX . "content` " . $where_content_key;
/** Lọc theo taxonomy */
$where_taxonomy = '';
if (isset($args['taxonomy'])) {
/** Nếu yêu cầu trong một taxonomy nhất định thì lấy các object_id có relationship như query yêu cầu */
$taxonomy_id = $args['taxonomy'];
/** Nếu taxonomy là một mảng */
if (is_array($taxonomy_id)) {
$implode = implode($taxonomy_id, ',');
if ($implode != '') {
$where_taxonomy = ' WHERE `target_id` IN (' . $implode . ') ';
}
} else {
$where_taxonomy = 'WHERE `target_id` = ' . $taxonomy_id;
}
} else {
/** Không yêu cầu taxonomy nhất định, kiểm tra xem có đang ở template taxonomy không */
if (is_taxonomy() == TRUE) {
$taxonomy_id = get_id();
$where_taxonomy = 'WHERE `target_id` = ' . $taxonomy_id;
}
}
if ($where_taxonomy != '') {
$hmdb->Release();
$query_in_taxonomy = "SELECT `object_id` FROM `" . DB_PREFIX . "relationship` " . $where_taxonomy . " AND `relationship` = 'contax'";
}
/** Lọc theo field */
if (isset($args['field_query'])) {
$field_query = $args['field_query'];
} else {
$field_query = array(array('field' => 'status', 'compare' => '=', 'value' => 'public'), array('field' => 'public_time', 'compare' => '<=', 'value' => time()));
}
$all_field_query = array();
foreach ($field_query as $item) {
/** check đủ điều kiện tạo field query */
if (isset($item['field']) and isset($item['compare']) and isset($item['value'])) {
$field = $item['field'];
$compare = $item['compare'];
$value = $item['value'];
$numerically = FALSE;
/** build query */
if (is_numeric($value)) {
$value_query = $value;
} else {
$value_query = "'{$value}'";
}
if ($compare == 'like%') {
$all_field_query[$field] = " ( `name` = '{$field}' AND `val` LIKE '%{$value}%' )";
} else {
$all_field_query[$field] = " ( `name` = '{$field}' AND `val` {$compare} {$value_query} )";
}
}
}
/** nếu size của mảng chứa các kết quả của các field query >= 2 */
$size = sizeof($all_field_query);
$query_field = "SELECT `object_id` FROM `" . DB_PREFIX . "field` WHERE";
if ($size > 1) {
if (isset($args['field_query_relation'])) {
//.........这里部分代码省略.........
示例7: getTerms
/**
* Extended get_terms function support
* - Limit category
* - Limit days
* - Selection restrict
* - Min usage
*
* @param string|array $taxonomies
* @param string $args
* @return array
*/
function getTerms($taxonomies, $args = '', $skip_cache = false)
{
global $wpdb;
$single_taxonomy = false;
if (!is_array($taxonomies)) {
$single_taxonomy = true;
$taxonomies = array($taxonomies);
}
foreach ((array) $taxonomies as $taxonomy) {
if (!is_taxonomy($taxonomy)) {
return new WP_Error('invalid_taxonomy', __('Invalid Taxonomy'));
}
}
$in_taxonomies = "'" . implode("', '", $taxonomies) . "'";
$defaults = array('cloud_selection' => 'count-desc', 'hide_empty' => true, 'exclude' => '', 'include' => '', 'number' => '', 'fields' => 'all', 'slug' => '', 'parent' => '', 'hierarchical' => true, 'child_of' => 0, 'get' => '', 'name__like' => '', 'st_name_like' => '', 'pad_counts' => false, 'limit_days' => 0, 'category' => 0, 'min_usage' => 0);
$args = wp_parse_args($args, $defaults);
if (!$single_taxonomy || !is_taxonomy_hierarchical($taxonomies[0]) || '' != $args['parent']) {
$args['child_of'] = 0;
$args['hierarchical'] = false;
$args['pad_counts'] = false;
}
if ('all' == $args['get']) {
$args['child_of'] = 0;
$args['hide_empty'] = 0;
$args['hierarchical'] = false;
$args['pad_counts'] = false;
}
extract($args, EXTR_SKIP);
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();
}
}
if ($skip_cache != true) {
// Get cache if exist
$key = md5(serialize($args) . serialize($taxonomies));
if ($cache = wp_cache_get('get_terms', 'terms')) {
if (isset($cache[$key])) {
return apply_filters('get_terms', $cache[$key], $taxonomies, $args);
}
}
}
// Restrict category
$category_sql = '';
if (!empty($category) && $category != '0') {
$incategories = preg_split('/[\\s,]+/', $category);
$objects_id = get_objects_in_term($incategories, 'category');
$objects_id = array_unique($objects_id);
// to be sure haven't duplicates
if (empty($objects_id)) {
// No posts for this category = no tags for this category
return array();
}
foreach ((array) $objects_id as $object_id) {
$category_sql .= "'" . $object_id . "', ";
}
$category_sql = substr($category_sql, 0, strlen($category_sql) - 2);
// Remove latest ", "
$category_sql = 'AND p.ID IN (' . $category_sql . ')';
}
// count-asc/count-desc/name-asc/name-desc/random
$cloud_selection = strtolower($cloud_selection);
switch ($cloud_selection) {
case 'count-asc':
$order_by = 'tt.count ASC';
break;
case 'random':
$order_by = 'RAND()';
break;
case 'name-asc':
$order_by = 't.name ASC';
break;
case 'name-desc':
$order_by = 't.name DESC';
break;
default:
// count-desc
$order_by = 'tt.count DESC';
break;
}
// Min usage
$restict_usage = '';
//.........这里部分代码省略.........
示例8:
<!--/#navigation--><!--menu-end-here-->
<!--------------------------
Added for New Header end
--------------------------->
<!--Added for Breadcum Start -->
<?php
if (!is_page('home')) {
?>
<div class="container">
<!--breadcrumb-start-->
<div class="well gap30">
<div class="row">
<div class="<?php
if (is_taxonomy('product_cat')) {
?>
col-md-7<?php
} else {
?>
col-md-12<?php
}
?>
"> <ol class="breadcrumb">
<li typeof="v:Breadcrumb"><a href="<?php
echo get_option('siteurl');
?>
" title="Go to ." property="v:title" rel="v:url">Home</a></li>
<?php
if (function_exists('bcn_display')) {示例9: __
<?php
/**
* Edit Tags Administration Panel.
*
* @package WordPress
* @subpackage Administration
*/
/** WordPress Administration Bootstrap */
require_once 'admin.php';
$title = __('Tags');
wp_reset_vars(array('action', 'tag', 'taxonomy'));
if (empty($taxonomy)) {
$taxonomy = 'post_tag';
}
if (!is_taxonomy($taxonomy)) {
wp_die(__('Invalid taxonomy'));
}
$parent_file = 'edit.php';
$submenu_file = "edit-tags.php?taxonomy={$taxonomy}";
if (isset($_GET['action']) && isset($_GET['delete_tags']) && ('delete' == $_GET['action'] || 'delete' == $_GET['action2'])) {
$action = 'bulk-delete';
}
switch ($action) {
case 'add-tag':
check_admin_referer('add-tag');
if (!current_user_can('manage_categories')) {
wp_die(__('Cheatin’ uh?'));
}
$ret = wp_insert_term($_POST['tag-name'], $taxonomy, $_POST);
if ($ret && !is_wp_error($ret)) {示例10: getTerms
/**
* Extended get_terms function support
* - Limit category
* - Limit days
* - Selection restrict
* - Min usage
*
* @param string|array $taxonomies
* @param string $args
* @return array
*/
function getTerms( $taxonomies, $args = '', $skip_cache = false, $internal_st = false ) {
global $wpdb;
$empty_array = array();
$single_taxonomy = false;
if ( !is_array($taxonomies) ) {
$single_taxonomy = true;
$taxonomies = array($taxonomies);
}
foreach ( $taxonomies as $taxonomy ) {
if ( ! is_taxonomy($taxonomy) ) {
return new WP_Error('invalid_taxonomy', __('Invalid Taxonomy'));
}
}
$in_taxonomies = "'" . implode("', '", $taxonomies) . "'";
$defaults = array(
'orderby' => 'name',
'order' => 'ASC',
'cloud_selection' => 'count-desc',
'hide_empty' => true,
'exclude' => '',
'include' => '',
'number' => '',
'fields' => 'all',
'slug' => '',
'parent' => '',
'hierarchical' => true,
'child_of' => 0,
'get' => '',
'name__like' => '',
'st_name_like' => '',
'pad_counts' => false,
'offset' => '',
'search' => '',
'limit_days' => 0,
'category' => 0,
'min_usage' => 0
);
$args = wp_parse_args( $args, $defaults );
if ( $internal_st != true ) { // Allow limit :)
$args['number'] = absint( $args['number'] );
}
$args['offset'] = absint( $args['offset'] );
if ( !$single_taxonomy || !is_taxonomy_hierarchical($taxonomies[0]) || '' != $args['parent'] ) {
$args['child_of'] = 0;
$args['hierarchical'] = false;
$args['pad_counts'] = false;
}
if ( 'all' == $args['get'] ) {
$args['child_of'] = 0;
$args['hide_empty'] = 0;
$args['hierarchical'] = false;
$args['pad_counts'] = false;
}
extract($args, EXTR_SKIP);
if ( $child_of ) {
$hierarchy = _get_term_hierarchy($taxonomies[0]);
if ( !isset($hierarchy[$child_of]) )
return $empty_array;
}
if ( $parent ) {
$hierarchy = _get_term_hierarchy($taxonomies[0]);
if ( !isset($hierarchy[$parent]) )
return $empty_array;
}
if ( $skip_cache != true ) {
// $args can be whatever, only use the args defined in defaults to compute the key
$filter_key = ( has_filter('list_terms_exclusions') ) ? serialize($GLOBALS['wp_filter']['list_terms_exclusions']) : '';
$key = md5( serialize( compact(array_keys($defaults)) ) . serialize( $taxonomies ) . $filter_key );
$last_changed = wp_cache_get('last_changed', 'terms');
if ( !$last_changed ) {
$last_changed = time();
wp_cache_set('last_changed', $last_changed, 'terms');
}
$cache_key = "get_terms:$key:$last_changed";
if ( $cache = wp_cache_get( $cache_key, 'terms' ) ) {
$terms = apply_filters('get_terms', $cache, $taxonomies, $args);
return $terms;
}
}
//.........这里部分代码省略.........
示例11: cwp_post_row
//.........这里部分代码省略.........
if ($pending_comments) {
echo '</strong>';
}
?>
</div></td>
<?php
break;
case 'author':
?>
<td <?php
echo $attributes;
?>
><a href="edit.php?author=<?php
the_author_meta('ID');
?>
"><?php
the_author();
?>
</a></td>
<?php
break;
case 'control_view':
?>
<td><a href="<?php
the_permalink();
?>
" rel="permalink" class="view"><?php
_e('View');
?>
</a></td>
<?php
break;
case 'control_edit':
?>
<td><?php
if (current_user_can('edit_post', $post->ID)) {
echo "<a href='{$edit_link}' class='edit'>" . __('Edit') . "</a>";
}
?>
</td>
<?php
break;
case 'control_delete':
?>
<td><?php
if (current_user_can('delete_post', $post->ID)) {
echo "<a href='" . wp_nonce_url("post.php?action=delete&post={$id}", 'delete-post_' . $post->ID) . "' class='delete'>" . __('Delete') . "</a>";
}
?>
</td>
<?php
break;
case is_taxonomy($column_name):
?>
<td <?php
echo $attributes;
?>
><?php
$tags = wp_get_object_terms($post->ID, $column_name);
if (!empty($tags)) {
$out = array();
foreach ($tags as $c) {
$out[] = "<a href=\"" . $page->get_edit_term_link($column_name, $c) . '">' . $c->name . "</a>";
}
echo join(', ', $out);
} else {
_e('No ' . $column_display_name);
}
?>
</td>
<?php
break;
case function_exists($column_name):
?>
<td>
<?php
echo call_user_func_array($column_name, array($post));
?>
</td>
<?php
break;
default:
?>
<td <?php
echo $attributes;
?>
><?php
do_action('manage_posts_custom_column', $column_name, $post->ID);
?>
</td>
<?php
break;
}
}
?>
</tr>
<?php
$post = $global_post;
}示例12: elseif
">RSS</a>
<?php
} elseif (is_author()) {
?>
<?php
printf(_c('Updates from %s|name', 'p2'), p2_get_archive_author());
?>
<a class="rss" href="<?php
p2_author_feed_link();
?>
">RSS</a>
<?php
} elseif (is_taxonomy('mentions')) {
?>
<?php
printf(_c('Posts Mentioning %s|name', 'p2'), p2_get_mention_name());
?>
<a class="rss" href="<?php
p2_author_feed_link();
?>
">RSS</a>
<?php
} else {
?>
<?php 示例13: taxonomy_exists
/**
* Compatibility wrapper for WordPress taxonomy lookup.
*/
function taxonomy_exists($taxonomy)
{
if (function_exists('taxonomy_exists')) {
// 3.0 or later
return taxonomy_exists($taxonomy);
} else {
return is_taxonomy($taxonomy);
}
}示例14: wp_update_term
function wp_update_term($term, $taxonomy, $args = array())
{
global $wpdb;
if (!is_taxonomy($taxonomy)) {
return new WP_Error('invalid_taxonomy', __('Invalid taxonomy'));
}
$term_id = (int) $term;
// First, get all of the original args
$term = get_term($term_id, $taxonomy, ARRAY_A);
// Escape data pulled from DB.
$term = add_magic_quotes($term);
// Merge old and new args with new args overwriting old ones.
$args = array_merge($term, $args);
$defaults = array('alias_of' => '', 'description' => '', 'parent' => 0, 'slug' => '');
$args = wp_parse_args($args, $defaults);
$args = sanitize_term($args, $taxonomy, 'db');
extract($args, EXTR_SKIP);
$empty_slug = false;
if (empty($slug)) {
$empty_slug = true;
$slug = sanitize_title($name);
}
if ($alias_of) {
$alias = $wpdb->fetch_row("SELECT term_id, term_group FROM {$wpdb->terms} WHERE slug = '{$alias_of}'");
if ($alias->term_group) {
// The alias we want is already in a group, so let's use that one.
$term_group = $alias->term_group;
} else {
// The alias isn't in a group, so let's create a new one and firstly add the alias term to it.
$term_group = $wpdb->get_var("SELECT MAX(term_group) FROM {$wpdb->terms} GROUP BY term_group") + 1;
$wpdb->query("UPDATE {$wpdb->terms} SET term_group = {$term_group} WHERE term_id = {$alias->term_id}");
}
}
// Check for duplicate slug
$id = $wpdb->get_var("SELECT term_id FROM {$wpdb->terms} WHERE slug = '{$slug}'");
if ($id && $id != $term_id) {
// If an empty slug was passed, reset the slug to something unique.
// Otherwise, bail.
if ($empty_slug) {
$slug = wp_unique_term_slug($slug, (object) $args);
} else {
return new WP_Error('duplicate_term_slug', sprintf(__('The slug "%s" is already in use by another term'), $slug));
}
}
$wpdb->query("UPDATE {$wpdb->terms} SET name = '{$name}', slug = '{$slug}', term_group = '{$term_group}' WHERE term_id = '{$term_id}'");
if (empty($slug)) {
$slug = sanitize_title($name, $term_id);
$wpdb->query("UPDATE {$wpdb->terms} SET slug = '{$slug}' WHERE term_id = '{$term_id}'");
}
$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}");
$wpdb->query("UPDATE {$wpdb->term_taxonomy} SET term_id = '{$term_id}', taxonomy = '{$taxonomy}', description = '{$description}', parent = '{$parent}' WHERE term_taxonomy_id = '{$tt_id}'");
do_action("edit_term", $term_id, $tt_id);
do_action("edit_{$taxonomy}", $term_id, $tt_id);
$term_id = apply_filters('term_id_filter', $term_id, $tt_id);
clean_term_cache($term_id, $taxonomy);
do_action("edited_term", $term_id, $tt_id);
do_action("edited_{$taxonomy}", $term_id, $tt_id);
return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id);
}示例15: wp_list_categories
/**
* Display or retrieve the HTML list of categories.
*
* The list of arguments is below:
* 'show_option_all' (string) - Text to display for showing all categories.
* 'orderby' (string) default is 'ID' - What column to use for ordering the
* categories.
* 'order' (string) default is 'ASC' - What direction to order categories.
* 'show_last_update' (bool|int) default is 0 - See {@link
* walk_category_dropdown_tree()}
* 'show_count' (bool|int) default is 0 - Whether to show how many posts are
* in the category.
* 'hide_empty' (bool|int) default is 1 - Whether to hide categories that
* don't have any posts attached to them.
* 'use_desc_for_title' (bool|int) default is 1 - Whether to use the
* description instead of the category title.
* 'feed' - See {@link get_categories()}.
* 'feed_type' - See {@link get_categories()}.
* 'feed_image' - See {@link get_categories()}.
* 'child_of' (int) default is 0 - See {@link get_categories()}.
* 'exclude' (string) - See {@link get_categories()}.
* 'exclude_tree' (string) - See {@link get_categories()}.
* 'echo' (bool|int) default is 1 - Whether to display or retrieve content.
* 'current_category' (int) - See {@link get_categories()}.
* 'hierarchical' (bool) - See {@link get_categories()}.
* 'title_li' (string) - See {@link get_categories()}.
* 'depth' (int) - The max depth.
*
* @since 2.1.0
*
* @param string|array $args Optional. Override default arguments.
* @return string HTML content only if 'echo' argument is 0.
*/
function wp_list_categories($args = '')
{
$defaults = array('show_option_all' => '', 'show_option_none' => __('No categories'), 'orderby' => 'name', 'order' => 'ASC', 'show_last_update' => 0, 'style' => 'list', 'show_count' => 0, 'hide_empty' => 1, 'use_desc_for_title' => 1, 'child_of' => 0, 'feed' => '', 'feed_type' => '', 'feed_image' => '', 'exclude' => '', 'exclude_tree' => '', 'current_category' => 0, 'hierarchical' => true, 'title_li' => __('Categories'), 'echo' => 1, 'depth' => 0, 'taxonomy' => 'category');
$r = wp_parse_args($args, $defaults);
if (!isset($r['pad_counts']) && $r['show_count'] && $r['hierarchical']) {
$r['pad_counts'] = true;
}
if (isset($r['show_date'])) {
$r['include_last_update_time'] = $r['show_date'];
}
if (true == $r['hierarchical']) {
$r['exclude_tree'] = $r['exclude'];
$r['exclude'] = '';
}
if (!isset($r['class'])) {
$r['class'] = 'category' == $r['taxonomy'] ? 'categories' : $r['taxonomy'];
}
extract($r);
if (!is_taxonomy($taxonomy)) {
return false;
}
$categories = get_categories($r);
$output = '';
if ($title_li && 'list' == $style) {
$output = '<li class="' . $class . '">' . $title_li . '<ul>';
}
if (empty($categories)) {
if (!empty($show_option_none)) {
if ('list' == $style) {
$output .= '<li>' . $show_option_none . '</li>';
} else {
$output .= $show_option_none;
}
}
} else {
global $wp_query;
if (!empty($show_option_all)) {
if ('list' == $style) {
$output .= '<li><a href="' . get_bloginfo('url') . '">' . $show_option_all . '</a></li>';
} else {
$output .= '<a href="' . get_bloginfo('url') . '">' . $show_option_all . '</a>';
}
}
if (empty($r['current_category']) && (is_category() || is_tax())) {
$r['current_category'] = $wp_query->get_queried_object_id();
}
if ($hierarchical) {
$depth = $r['depth'];
} else {
$depth = -1;
}
// Flat.
$output .= walk_category_tree($categories, $depth, $r);
}
if ($title_li && 'list' == $style) {
$output .= '</ul></li>';
}
$output = apply_filters('wp_list_categories', $output);
if ($echo) {
echo $output;
} else {
return $output;
}
}