phpdoc for classes.php from jacobsantos. fixes #5635
git-svn-id: http://svn.automattic.com/wordpress/trunk@8900 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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ryan
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@ -1,27 +1,133 @@
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<?php
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/**
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* Holds Most of the WordPress classes.
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*
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* Some of the other classes are contained in other files. For example, the
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* WordPress cache is in cache.php and the WordPress roles API is in
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* capabilities.php. The third party libraries are contained in their own
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* separate files.
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*
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* @package WordPress
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*/
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/**
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* WordPress environment setup class.
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*
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* @package WordPress
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* @since 2.0.0
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*/
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class WP {
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/**
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* Public query variables.
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*
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* Long list of public query variables.
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*
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* @since 2.0.0
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* @access public
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* @var array
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*/
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var $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', 'debug', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'tag', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term');
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/**
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* Private query variables.
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*
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* Long list of private query variables.
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*
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* @since 2.0.0
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* @var array
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*/
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var $private_query_vars = array('offset', 'posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging', 'post_type', 'post_status', 'category__in', 'category__not_in', 'category__and', 'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and', 'tag_id', 'post_mime_type', 'perm');
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/**
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* Extra query variables set by the user.
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*
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* @since 2.1.0
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* @var array
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*/
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var $extra_query_vars = array();
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/**
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* Query variables for setting up the WordPress Query Loop.
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*
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* @since 2.0.0
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* @var array
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*/
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var $query_vars;
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/**
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* String parsed to set the query variables.
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*
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* @since 2.0.0
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* @var string
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*/
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var $query_string;
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/**
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* Permalink or requested URI.
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*
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* @since 2.0.0
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* @var string
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*/
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var $request;
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/**
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* Rewrite rule the request matched.
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*
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* @since 2.0.0
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* @var string
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*/
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var $matched_rule;
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/**
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* Rewrite query the request matched.
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*
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* @since 2.0.0
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* @var string
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*/
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var $matched_query;
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/**
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* Whether already did the permalink.
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*
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* @since 2.0.0
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* @var bool
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*/
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var $did_permalink = false;
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/**
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* Add name to list of public query variables.
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*
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* @since 2.1.0
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*
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* @param string $qv Query variable name.
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*/
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function add_query_var($qv) {
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if ( !in_array($qv, $this->public_query_vars) )
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$this->public_query_vars[] = $qv;
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}
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/**
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* Set the value of a query variable.
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*
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* @since 2.3.0
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*
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* @param string $key Query variable name.
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* @param mixed $value Query variable value.
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*/
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function set_query_var($key, $value) {
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$this->query_vars[$key] = $value;
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}
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/**
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* Parse request to find correct WordPress query.
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*
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* Sets up the query variables based on the request. There are also many
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* filters and actions that can be used to further manipulate the result.
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*
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* @since 2.0.0
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*
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* @param array|string $extra_query_vars Set the extra query variables.
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*/
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function parse_request($extra_query_vars = '') {
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global $wp_rewrite;
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@ -111,7 +217,7 @@ class WP {
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// Substitute the substring matches into the query.
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eval("@\$query = \"" . addslashes($query) . "\";");
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$this->matched_query = $query;
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// Parse the query.
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@ -187,6 +293,14 @@ class WP {
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do_action_ref_array('parse_request', array(&$this));
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}
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/**
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* Send additional HTTP headers for caching, content type, etc.
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*
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* Sets the X-Pingback header, 404 status (if 404), Content-type. If showing
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* a feed, it will also send last-modified, etag, and 304 status if needed.
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*
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* @since 2.0.0
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*/
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function send_headers() {
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@header('X-Pingback: '. get_bloginfo('pingback_url'));
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if ( is_user_logged_in() )
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@ -241,6 +355,14 @@ class WP {
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do_action_ref_array('send_headers', array(&$this));
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}
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/**
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* Sets the query string property based off of the query variable property.
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*
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* The 'query_string' filter is deprecated, but still works. Plugins should
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* use the 'request' filter instead.
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*
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* @since 2.0.0
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*/
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function build_query_string() {
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$this->query_string = '';
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foreach ( (array) array_keys($this->query_vars) as $wpvar) {
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@ -259,6 +381,19 @@ class WP {
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}
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}
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/**
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* Setup the WordPress Globals.
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*
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* The query_vars property will be extracted to the GLOBALS. So care should
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* be taken when naming global variables that might interfere with the
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* WordPress environment.
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*
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* @global string $query_string Query string for the loop.
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* @global int $more Only set, if single page or post.
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* @global int $single If single page or post. Only set, if single page or post.
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*
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* @since 2.0.0
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*/
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function register_globals() {
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global $wp_query;
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// Extract updated query vars back into global namespace.
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@ -277,22 +412,40 @@ class WP {
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}
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}
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/**
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* Setup the current user.
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*
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* @since 2.0.0
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*/
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function init() {
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wp_get_current_user();
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}
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/**
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* Setup the Loop based on the query variables.
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*
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* @uses WP::$query_vars
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* @since 2.0.0
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*/
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function query_posts() {
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global $wp_the_query;
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$this->build_query_string();
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$wp_the_query->query($this->query_vars);
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}
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/**
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* Set the Headers for 404, if permalink is not found.
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*
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* Issue a 404 if a permalink request doesn't match any posts. Don't issue
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* a 404 if one was already issued, if the request was a search, or if the
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* request was a regular query string request rather than a permalink
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* request. Issues a 200, if not 404.
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*
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* @since 2.0.0
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*/
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function handle_404() {
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global $wp_query;
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// Issue a 404 if a permalink request doesn't match any posts. Don't
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// issue a 404 if one was already issued, if the request was a search,
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// or if the request was a regular query string request rather than a
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// permalink request.
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if ( (0 == count($wp_query->posts)) && !is_404() && !is_search() && ( $this->did_permalink || (!empty($_SERVER['QUERY_STRING']) && (false === strpos($_SERVER['REQUEST_URI'], '?'))) ) ) {
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// Don't 404 for these queries if they matched an object.
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if ( ( is_tag() || is_category() || is_author() ) && $wp_query->get_queried_object() ) {
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@ -308,6 +461,17 @@ class WP {
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}
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}
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/**
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* Sets up all of the variables required by the WordPress environment.
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*
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* The action 'wp' has one parameter that references the WP object. It
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* allows for accessing the properties and methods to further manipulate the
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* object.
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*
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* @since 2.0.0
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*
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* @param string|array $query_args Passed to {@link parse_request()}
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*/
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function main($query_args = '') {
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$this->init();
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$this->parse_request($query_args);
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@ -318,15 +482,67 @@ class WP {
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do_action_ref_array('wp', array(&$this));
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}
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/**
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* PHP4 Constructor - Does nothing.
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*
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* Call main() method when ready to run setup.
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*
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* @since 2.0.0
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*
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* @return WP
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*/
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function WP() {
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// Empty.
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}
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}
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/**
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* WordPress Error class.
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*
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* Container for checking for WordPress errors and error messages. Return
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* WP_Error and use {@link is_wp_error()} to check if this class is returned.
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* Many core WordPress functions pass this class in the event of an error and
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* if not handled properly will result in code errors.
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*
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* @package WordPress
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* @since 2.1.0
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*/
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class WP_Error {
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/**
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* Stores the list of errors.
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*
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* @since 2.1.0
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* @var array
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* @access private
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*/
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var $errors = array();
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/**
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* Stores the list of data for error codes.
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*
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* @since 2.1.0
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* @var array
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* @access private
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*/
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var $error_data = array();
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/**
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* PHP4 Constructor - Sets up error message.
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*
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* If code parameter is empty then nothing will be done. It is possible to
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* add multiple messages to the same code, but with other methods in the
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* class.
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*
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* All parameters are optional, but if the code parameter is set, then the
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* data parameter is optional.
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*
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* @since 2.1.0
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*
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* @param string|int $code Error code
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* @param string $message Error message
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* @param mixed $data Optional. Error data.
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* @return WP_Error
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*/
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function WP_Error($code = '', $message = '', $data = '') {
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if ( empty($code) )
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return;
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@ -337,6 +553,14 @@ class WP_Error {
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$this->error_data[$code] = $data;
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}
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/**
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* Retrieve all error codes.
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*
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* @since 2.1.0
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* @access public
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*
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* @return array List of error codes, if avaiable.
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*/
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function get_error_codes() {
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if ( empty($this->errors) )
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return array();
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@ -344,6 +568,14 @@ class WP_Error {
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return array_keys($this->errors);
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}
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/**
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* Retrieve first error code available.
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*
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* @since 2.1.0
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* @access public
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*
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* @return string|int Empty string, if no error codes.
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*/
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function get_error_code() {
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$codes = $this->get_error_codes();
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@ -353,6 +585,14 @@ class WP_Error {
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return $codes[0];
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}
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/**
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* Retrieve all error messages or error messages matching code.
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*
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* @since 2.1.0
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*
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* @param string|int $code Optional. Retrieve messages matching code, if exists.
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* @return array Error strings on success, or empty array on failure (if using codee parameter).
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*/
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function get_error_messages($code = '') {
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// Return all messages if no code specified.
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if ( empty($code) ) {
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@ -369,6 +609,17 @@ class WP_Error {
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return array();
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}
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/**
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* Get single error message.
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*
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* This will get the first message available for the code. If no code is
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* given then the first code available will be used.
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*
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* @since 2.1.0
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*
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* @param string|int $code Optional. Error code to retrieve message.
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* @return string
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*/
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function get_error_message($code = '') {
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if ( empty($code) )
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$code = $this->get_error_code();
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@ -378,6 +629,14 @@ class WP_Error {
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return $messages[0];
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}
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/**
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* Retrieve error data for error code.
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*
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* @since 2.1.0
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*
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* @param string|int $code Optional. Error code.
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* @return mixed Null, if no errors.
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*/
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function get_error_data($code = '') {
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if ( empty($code) )
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$code = $this->get_error_code();
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@ -387,12 +646,32 @@ class WP_Error {
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return null;
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}
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/**
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* Append more error messages to list of error messages.
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*
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* @since 2.1.0
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* @access public
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*
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* @param string|int $code Error code.
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* @param string $message Error message.
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* @param mixed $data Optional. Error data.
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*/
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function add($code, $message, $data = '') {
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$this->errors[$code][] = $message;
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if ( ! empty($data) )
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$this->error_data[$code] = $data;
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}
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/**
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* Add data for error code.
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*
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* The error code can only contain one error data.
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*
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* @since 2.1.0
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*
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* @param mixed $data Error data.
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* @param string|int $code Error code.
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*/
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function add_data($data, $code = '') {
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if ( empty($code) )
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$code = $this->get_error_code();
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@ -401,30 +680,131 @@ class WP_Error {
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}
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}
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/**
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* Check whether variable is a WordPress Error.
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*
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* Looks at the object and if a WP_Error class. Does not check to see if the
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* parent is also WP_Error, so can't inherit WP_Error and still use this
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* function.
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*
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* @since 2.1.0
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*
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* @param mixed $thing Check if unknown variable is WordPress Error object.
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* @return bool True, if WP_Error. False, if not WP_Error.
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*/
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function is_wp_error($thing) {
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if ( is_object($thing) && is_a($thing, 'WP_Error') )
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return true;
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return false;
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}
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/*
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/**
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* A class for displaying various tree-like structures.
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* Extend the Walker class to use it, see examples at the bottom
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*
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* Extend the Walker class to use it, see examples at the below. Child classes
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* do not need to implement all of the abstract methods in the class. The child
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* only needs to implement the methods that are needed. Also, the methods are
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* not strictly abstract in that the parameter definition needs to be followed.
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* The child classes can have additional parameters.
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*
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* @package WordPress
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* @since 2.1.0
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* @abstract
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*/
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class Walker {
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/**
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* What the class handles.
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*
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* @since 2.1.0
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* @var string
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* @access public
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*/
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var $tree_type;
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/**
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* DB fields to use.
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*
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* @since 2.1.0
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* @var array
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* @access protected
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*/
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var $db_fields;
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//abstract callbacks
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/**
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* Starts the list before the elements are added.
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*
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* Additional parameters are used in child classes. The args parameter holds
|
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* additional values that may be used with the child class methods. This
|
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* method is called at the start of the output list.
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*
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* @since 2.1.0
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* @abstract
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*
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* @param string $output Passed by reference. Used to append additional content.
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*/
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function start_lvl(&$output) {}
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/**
|
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* Ends the list of after the elements are added.
|
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*
|
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* Additional parameters are used in child classes. The args parameter holds
|
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* additional values that may be used with the child class methods. This
|
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* method finishes the list at the end of output of the elements.
|
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*
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* @since 2.1.0
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* @abstract
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*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
*/
|
||||
function end_lvl(&$output) {}
|
||||
|
||||
/**
|
||||
* Start the element output.
|
||||
*
|
||||
* Additional parameters are used in child classes. The args parameter holds
|
||||
* additional values that may be used with the child class methods. Includes
|
||||
* the element output also.
|
||||
*
|
||||
* @since 2.1.0
|
||||
* @abstract
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
*/
|
||||
function start_el(&$output) {}
|
||||
|
||||
/**
|
||||
* Ends the element output, if needed.
|
||||
*
|
||||
* Additional parameters are used in child classes. The args parameter holds
|
||||
* additional values that may be used with the child class methods.
|
||||
*
|
||||
* @since 2.1.0
|
||||
* @abstract
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
*/
|
||||
function end_el(&$output) {}
|
||||
|
||||
/*
|
||||
* display one element if the element doesn't have any children
|
||||
* otherwise, display the element and its children
|
||||
*/
|
||||
/**
|
||||
* Traverse elements to create list from elements.
|
||||
*
|
||||
* Display one element if the element doesn't have any children otherwise,
|
||||
* display the element and its children. Will only traverse up to the max
|
||||
* depth and no ignore elements under that depth. It is possible to set the
|
||||
* max depth to include all depths, see walk() method.
|
||||
*
|
||||
* This method shouldn't be called directly, use the walk() method instead.
|
||||
*
|
||||
* @since 2.5.0
|
||||
*
|
||||
* @param object $element Data object
|
||||
* @param array $children_elements List of elements to continue traversing.
|
||||
* @param int $max_depth Max depth to traverse.
|
||||
* @param int $depth Depth of current element.
|
||||
* @param array $args
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
* @return null Null on failure with no changes to parameters.
|
||||
*/
|
||||
function display_element( $element, &$children_elements, $max_depth, $depth=0, $args, &$output ) {
|
||||
|
||||
if ( !$element )
|
||||
|
|
@ -465,13 +845,20 @@ class Walker {
|
|||
call_user_func_array(array(&$this, 'end_el'), $cb_args);
|
||||
}
|
||||
|
||||
/*
|
||||
* displays array of elements hierarchically
|
||||
* it is a generic function which does not assume any existing order of elements
|
||||
* max_depth = -1 means flatly display every element
|
||||
* max_depth = 0 means display all levels
|
||||
* max_depth > 0 specifies the number of display levels.
|
||||
*/
|
||||
/**
|
||||
* Display array of elements hierarchically.
|
||||
*
|
||||
* It is a generic function which does not assume any existing order of
|
||||
* elements. max_depth = -1 means flatly display every element. max_depth =
|
||||
* 0 means display all levels. max_depth > 0 specifies the number of
|
||||
* display levels.
|
||||
*
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param array $elements
|
||||
* @param int $max_depth
|
||||
* @return string
|
||||
*/
|
||||
function walk( $elements, $max_depth) {
|
||||
|
||||
$args = array_slice(func_get_args(), 2);
|
||||
|
|
@ -530,10 +917,10 @@ class Walker {
|
|||
foreach ( $top_level_elements as $e )
|
||||
$this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
|
||||
|
||||
/*
|
||||
* if we are displaying all levels, and remaining children_elements is not empty,
|
||||
* then we got orphans, which should be displayed regardless
|
||||
*/
|
||||
/*
|
||||
* if we are displaying all levels, and remaining children_elements is not empty,
|
||||
* then we got orphans, which should be displayed regardless
|
||||
*/
|
||||
if ( ( $max_depth == 0 ) && count( $children_elements ) > 0 ) {
|
||||
$empty_array = array();
|
||||
foreach ( $children_elements as $orphans )
|
||||
|
|
@ -545,20 +932,63 @@ class Walker {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Create HTML list of pages.
|
||||
*
|
||||
* @package WordPress
|
||||
* @since 2.1.0
|
||||
* @uses Walker
|
||||
*/
|
||||
class Walker_Page extends Walker {
|
||||
/**
|
||||
* @see Walker::$tree_type
|
||||
* @since 2.1.0
|
||||
* @var string
|
||||
*/
|
||||
var $tree_type = 'page';
|
||||
var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID'); //TODO: decouple this
|
||||
|
||||
/**
|
||||
* @see Walker::$db_fields
|
||||
* @since 2.1.0
|
||||
* @todo Decouple this.
|
||||
* @var array
|
||||
*/
|
||||
var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID');
|
||||
|
||||
/**
|
||||
* @see Walker::start_lvl()
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
* @param int $depth Depth of page. Used for padding.
|
||||
*/
|
||||
function start_lvl(&$output, $depth) {
|
||||
$indent = str_repeat("\t", $depth);
|
||||
$output .= "\n$indent<ul>\n";
|
||||
}
|
||||
|
||||
/**
|
||||
* @see Walker::end_lvl()
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
* @param int $depth Depth of page. Used for padding.
|
||||
*/
|
||||
function end_lvl(&$output, $depth) {
|
||||
$indent = str_repeat("\t", $depth);
|
||||
$output .= "$indent</ul>\n";
|
||||
}
|
||||
|
||||
/**
|
||||
* @see Walker::start_el()
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
* @param object $page Page data object.
|
||||
* @param int $depth Depth of page. Used for padding.
|
||||
* @param int $current_page Page ID.
|
||||
* @param array $args
|
||||
*/
|
||||
function start_el(&$output, $page, $depth, $current_page, $args) {
|
||||
if ( $depth )
|
||||
$indent = str_repeat("\t", $depth);
|
||||
|
|
@ -589,16 +1019,52 @@ class Walker_Page extends Walker {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @see Walker::end_el()
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
* @param object $page Page data object. Not used.
|
||||
* @param int $depth Depth of page. Not Used.
|
||||
*/
|
||||
function end_el(&$output, $page, $depth) {
|
||||
$output .= "</li>\n";
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Create HTML dropdown list of pages.
|
||||
*
|
||||
* @package WordPress
|
||||
* @since 2.1.0
|
||||
* @uses Walker
|
||||
*/
|
||||
class Walker_PageDropdown extends Walker {
|
||||
/**
|
||||
* @see Walker::$tree_type
|
||||
* @since 2.1.0
|
||||
* @var string
|
||||
*/
|
||||
var $tree_type = 'page';
|
||||
var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID'); //TODO: decouple this
|
||||
|
||||
/**
|
||||
* @see Walker::$db_fields
|
||||
* @since 2.1.0
|
||||
* @todo Decouple this
|
||||
* @var array
|
||||
*/
|
||||
var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID');
|
||||
|
||||
/**
|
||||
* @see Walker::start_el()
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
* @param object $page Page data object.
|
||||
* @param int $depth Depth of page in reference to parent pages. Used for padding.
|
||||
* @param array $args Uses 'selected' argument for selected page to set selected HTML attribute for option element.
|
||||
*/
|
||||
function start_el(&$output, $page, $depth, $args) {
|
||||
$pad = str_repeat(' ', $depth * 3);
|
||||
|
||||
|
|
@ -612,10 +1078,37 @@ class Walker_PageDropdown extends Walker {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Create HTML list of categories.
|
||||
*
|
||||
* @package WordPress
|
||||
* @since 2.1.0
|
||||
* @uses Walker
|
||||
*/
|
||||
class Walker_Category extends Walker {
|
||||
/**
|
||||
* @see Walker::$tree_type
|
||||
* @since 2.1.0
|
||||
* @var string
|
||||
*/
|
||||
var $tree_type = 'category';
|
||||
var $db_fields = array ('parent' => 'parent', 'id' => 'term_id'); //TODO: decouple this
|
||||
|
||||
/**
|
||||
* @see Walker::$db_fields
|
||||
* @since 2.1.0
|
||||
* @todo Decouple this
|
||||
* @var array
|
||||
*/
|
||||
var $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
|
||||
|
||||
/**
|
||||
* @see Walker::start_lvl()
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
* @param int $depth Depth of category. Used for tab indentation.
|
||||
* @param array $args Will only append content if style argument value is 'list'.
|
||||
*/
|
||||
function start_lvl(&$output, $depth, $args) {
|
||||
if ( 'list' != $args['style'] )
|
||||
return;
|
||||
|
|
@ -624,6 +1117,14 @@ class Walker_Category extends Walker {
|
|||
$output .= "$indent<ul class='children'>\n";
|
||||
}
|
||||
|
||||
/**
|
||||
* @see Walker::end_lvl()
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
* @param int $depth Depth of category. Used for tab indentation.
|
||||
* @param array $args Will only append content if style argument value is 'list'.
|
||||
*/
|
||||
function end_lvl(&$output, $depth, $args) {
|
||||
if ( 'list' != $args['style'] )
|
||||
return;
|
||||
|
|
@ -632,6 +1133,15 @@ class Walker_Category extends Walker {
|
|||
$output .= "$indent</ul>\n";
|
||||
}
|
||||
|
||||
/**
|
||||
* @see Walker::start_el()
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
* @param object $category Category data object.
|
||||
* @param int $depth Depth of category in reference to parents.
|
||||
* @param array $args
|
||||
*/
|
||||
function start_el(&$output, $category, $depth, $args) {
|
||||
extract($args);
|
||||
|
||||
|
|
@ -697,6 +1207,15 @@ class Walker_Category extends Walker {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @see Walker::end_el()
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
* @param object $page Not used.
|
||||
* @param int $depth Depth of category. Not used.
|
||||
* @param array $args Only uses 'list' for whether should append to output.
|
||||
*/
|
||||
function end_el(&$output, $page, $depth, $args) {
|
||||
if ( 'list' != $args['style'] )
|
||||
return;
|
||||
|
|
@ -706,10 +1225,38 @@ class Walker_Category extends Walker {
|
|||
|
||||
}
|
||||
|
||||
/**
|
||||
* Create HTML dropdown list of Categories.
|
||||
*
|
||||
* @package WordPress
|
||||
* @since 2.1.0
|
||||
* @uses Walker
|
||||
*/
|
||||
class Walker_CategoryDropdown extends Walker {
|
||||
/**
|
||||
* @see Walker::$tree_type
|
||||
* @since 2.1.0
|
||||
* @var string
|
||||
*/
|
||||
var $tree_type = 'category';
|
||||
var $db_fields = array ('parent' => 'parent', 'id' => 'term_id'); //TODO: decouple this
|
||||
|
||||
/**
|
||||
* @see Walker::$db_fields
|
||||
* @since 2.1.0
|
||||
* @todo Decouple this
|
||||
* @var array
|
||||
*/
|
||||
var $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
|
||||
|
||||
/**
|
||||
* @see Walker::start_el()
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param string $output Passed by reference. Used to append additional content.
|
||||
* @param object $category Category data object.
|
||||
* @param int $depth Depth of category. Used for padding.
|
||||
* @param array $args Uses 'selected', 'show_count', and 'show_last_update' keys, if they exist.
|
||||
*/
|
||||
function start_el(&$output, $category, $depth, $args) {
|
||||
$pad = str_repeat(' ', $depth * 3);
|
||||
|
||||
|
|
@ -729,20 +1276,64 @@ class Walker_CategoryDropdown extends Walker {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Send XML response back to AJAX request.
|
||||
*
|
||||
* @package WordPress
|
||||
* @since 2.1.0
|
||||
*/
|
||||
class WP_Ajax_Response {
|
||||
/**
|
||||
* Store XML responses to send.
|
||||
*
|
||||
* @since 2.1.0
|
||||
* @var array
|
||||
* @access private
|
||||
*/
|
||||
var $responses = array();
|
||||
|
||||
/**
|
||||
* PHP4 Constructor - Passes args to {@link WP_Ajax_Response::add()}.
|
||||
*
|
||||
* @since 2.1.0
|
||||
* @see WP_Ajax_Response::add()
|
||||
*
|
||||
* @param string|array $args Optional. Will be passed to add() method.
|
||||
* @return WP_Ajax_Response
|
||||
*/
|
||||
function WP_Ajax_Response( $args = '' ) {
|
||||
if ( !empty($args) )
|
||||
$this->add($args);
|
||||
}
|
||||
|
||||
// a WP_Error object can be passed in 'id' or 'data'
|
||||
/**
|
||||
* Append to XML response based on given arguments.
|
||||
*
|
||||
* The arguments that can be passed in the $args parameter are below. It is
|
||||
* also possible to pass a WP_Error object in either the 'id' or 'data'
|
||||
* argument. The parameter isn't actually optional, content should be given
|
||||
* in order to send the correct response.
|
||||
*
|
||||
* 'what' argument is a string that is the XMLRPC response type.
|
||||
* 'action' argument is a boolean or string that acts like a nonce.
|
||||
* 'id' argument can be WP_Error or an integer.
|
||||
* 'old_id' argument is false by default or an integer of the previous ID.
|
||||
* 'position' argument is an integer or a string with -1 = top, 1 = bottom,
|
||||
* html ID = after, -html ID = before.
|
||||
* 'data' argument is a string with the content or message.
|
||||
* 'supplemental' argument is an array of strings that will be children of
|
||||
* the supplemental element.
|
||||
*
|
||||
* @since 2.1.0
|
||||
*
|
||||
* @param string|array $args Override defaults.
|
||||
* @return string XML response.
|
||||
*/
|
||||
function add( $args = '' ) {
|
||||
$defaults = array(
|
||||
'what' => 'object', 'action' => false,
|
||||
'id' => '0', 'old_id' => false,
|
||||
'position' => 1, // -1 = top, 1 = bottom, html ID = after, -html ID = before
|
||||
'position' => 1,
|
||||
'data' => '', 'supplemental' => array()
|
||||
);
|
||||
|
||||
|
|
@ -804,6 +1395,13 @@ class WP_Ajax_Response {
|
|||
return $x;
|
||||
}
|
||||
|
||||
/**
|
||||
* Display XML formatted responses.
|
||||
*
|
||||
* Sets the content type header to text/xml.
|
||||
*
|
||||
* @since 2.1.0
|
||||
*/
|
||||
function send() {
|
||||
header('Content-Type: text/xml');
|
||||
echo "<?xml version='1.0' standalone='yes'?><wp_ajax>";
|
||||
|
|
|
|||
Loading…
Reference in New Issue