mp-wp_genesis           1 <?php
mp-wp_genesis           2 /**
mp-wp_genesis           3  * Holds Most of the WordPress classes.
mp-wp_genesis           4  *
mp-wp_genesis           5  * Some of the other classes are contained in other files. For example, the
mp-wp_genesis           6  * WordPress cache is in cache.php and the WordPress roles API is in
mp-wp_genesis           7  * capabilities.php. The third party libraries are contained in their own
mp-wp_genesis           8  * separate files.
mp-wp_genesis           9  *
mp-wp_genesis          10  * @package WordPress
mp-wp_genesis          11  */
mp-wp_genesis          12 
mp-wp_genesis          13 /**
mp-wp_genesis          14  * WordPress environment setup class.
mp-wp_genesis          15  *
mp-wp_genesis          16  * @package WordPress
mp-wp_genesis          17  * @since 2.0.0
mp-wp_genesis          18  */
mp-wp_genesis          19 class WP {
mp-wp_genesis          20 	/**
mp-wp_genesis          21 	 * Public query variables.
mp-wp_genesis          22 	 *
mp-wp_genesis          23 	 * Long list of public query variables.
mp-wp_genesis          24 	 *
mp-wp_genesis          25 	 * @since 2.0.0
mp-wp_genesis          26 	 * @access public
mp-wp_genesis          27 	 * @var array
mp-wp_genesis          28 	 */
mp-wp_genesis          29 	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', 'cpage');
mp-wp_genesis          30 
mp-wp_genesis          31 	/**
mp-wp_genesis          32 	 * Private query variables.
mp-wp_genesis          33 	 *
mp-wp_genesis          34 	 * Long list of private query variables.
mp-wp_genesis          35 	 *
mp-wp_genesis          36 	 * @since 2.0.0
mp-wp_genesis          37 	 * @var array
mp-wp_genesis          38 	 */
mp-wp_genesis          39 	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', 'comments_per_page');
mp-wp_genesis          40 
mp-wp_genesis          41 	/**
mp-wp_genesis          42 	 * Extra query variables set by the user.
mp-wp_genesis          43 	 *
mp-wp_genesis          44 	 * @since 2.1.0
mp-wp_genesis          45 	 * @var array
mp-wp_genesis          46 	 */
mp-wp_genesis          47 	var $extra_query_vars = array();
mp-wp_genesis          48 
mp-wp_genesis          49 	/**
mp-wp_genesis          50 	 * Query variables for setting up the WordPress Query Loop.
mp-wp_genesis          51 	 *
mp-wp_genesis          52 	 * @since 2.0.0
mp-wp_genesis          53 	 * @var array
mp-wp_genesis          54 	 */
mp-wp_genesis          55 	var $query_vars;
mp-wp_genesis          56 
mp-wp_genesis          57 	/**
mp-wp_genesis          58 	 * String parsed to set the query variables.
mp-wp_genesis          59 	 *
mp-wp_genesis          60 	 * @since 2.0.0
mp-wp_genesis          61 	 * @var string
mp-wp_genesis          62 	 */
mp-wp_genesis          63 	var $query_string;
mp-wp_genesis          64 
mp-wp_genesis          65 	/**
mp-wp_genesis          66 	 * Permalink or requested URI.
mp-wp_genesis          67 	 *
mp-wp_genesis          68 	 * @since 2.0.0
mp-wp_genesis          69 	 * @var string
mp-wp_genesis          70 	 */
mp-wp_genesis          71 	var $request;
mp-wp_genesis          72 
mp-wp_genesis          73 	/**
mp-wp_genesis          74 	 * Rewrite rule the request matched.
mp-wp_genesis          75 	 *
mp-wp_genesis          76 	 * @since 2.0.0
mp-wp_genesis          77 	 * @var string
mp-wp_genesis          78 	 */
mp-wp_genesis          79 	var $matched_rule;
mp-wp_genesis          80 
mp-wp_genesis          81 	/**
mp-wp_genesis          82 	 * Rewrite query the request matched.
mp-wp_genesis          83 	 *
mp-wp_genesis          84 	 * @since 2.0.0
mp-wp_genesis          85 	 * @var string
mp-wp_genesis          86 	 */
mp-wp_genesis          87 	var $matched_query;
mp-wp_genesis          88 
mp-wp_genesis          89 	/**
mp-wp_genesis          90 	 * Whether already did the permalink.
mp-wp_genesis          91 	 *
mp-wp_genesis          92 	 * @since 2.0.0
mp-wp_genesis          93 	 * @var bool
mp-wp_genesis          94 	 */
mp-wp_genesis          95 	var $did_permalink = false;
mp-wp_genesis          96 
mp-wp_genesis          97 	/**
mp-wp_genesis          98 	 * Add name to list of public query variables.
mp-wp_genesis          99 	 *
mp-wp_genesis         100 	 * @since 2.1.0
mp-wp_genesis         101 	 *
mp-wp_genesis         102 	 * @param string $qv Query variable name.
mp-wp_genesis         103 	 */
mp-wp_genesis         104 	function add_query_var($qv) {
mp-wp_genesis         105 		if ( !in_array($qv, $this->public_query_vars) )
mp-wp_genesis         106 			$this->public_query_vars[] = $qv;
mp-wp_genesis         107 	}
mp-wp_genesis         108 
mp-wp_genesis         109 	/**
mp-wp_genesis         110 	 * Set the value of a query variable.
mp-wp_genesis         111 	 *
mp-wp_genesis         112 	 * @since 2.3.0
mp-wp_genesis         113 	 *
mp-wp_genesis         114 	 * @param string $key Query variable name.
mp-wp_genesis         115 	 * @param mixed $value Query variable value.
mp-wp_genesis         116 	 */
mp-wp_genesis         117 	function set_query_var($key, $value) {
mp-wp_genesis         118 		$this->query_vars[$key] = $value;
mp-wp_genesis         119 	}
mp-wp_genesis         120 
mp-wp_genesis         121 	/**
mp-wp_genesis         122 	 * Parse request to find correct WordPress query.
mp-wp_genesis         123 	 *
mp-wp_genesis         124 	 * Sets up the query variables based on the request. There are also many
mp-wp_genesis         125 	 * filters and actions that can be used to further manipulate the result.
mp-wp_genesis         126 	 *
mp-wp_genesis         127 	 * @since 2.0.0
mp-wp_genesis         128 	 *
mp-wp_genesis         129 	 * @param array|string $extra_query_vars Set the extra query variables.
mp-wp_genesis         130 	 */
mp-wp_genesis         131 	function parse_request($extra_query_vars = '') {
mp-wp_genesis         132 		global $wp_rewrite;
mp-wp_genesis         133 
mp-wp_genesis         134 		$this->query_vars = array();
mp-wp_genesis         135 		$taxonomy_query_vars = array();
mp-wp_genesis         136 
mp-wp_genesis         137 		if ( is_array($extra_query_vars) )
mp-wp_genesis         138 			$this->extra_query_vars = & $extra_query_vars;
mp-wp_genesis         139 		else if (! empty($extra_query_vars))
mp-wp_genesis         140 			parse_str($extra_query_vars, $this->extra_query_vars);
mp-wp_genesis         141 
mp-wp_genesis         142 		// Process PATH_INFO, REQUEST_URI, and 404 for permalinks.
mp-wp_genesis         143 
mp-wp_genesis         144 		// Fetch the rewrite rules.
mp-wp_genesis         145 		$rewrite = $wp_rewrite->wp_rewrite_rules();
mp-wp_genesis         146 
mp-wp_genesis         147 		if (! empty($rewrite)) {
mp-wp_genesis         148 			// If we match a rewrite rule, this will be cleared.
mp-wp_genesis         149 			$error = '404';
mp-wp_genesis         150 			$this->did_permalink = true;
mp-wp_genesis         151 
mp-wp_genesis         152 			if ( isset($_SERVER['PATH_INFO']) )
mp-wp_genesis         153 				$pathinfo = $_SERVER['PATH_INFO'];
mp-wp_genesis         154 			else
mp-wp_genesis         155 				$pathinfo = '';
mp-wp_genesis         156 			$pathinfo_array = explode('?', $pathinfo);
mp-wp_genesis         157 			$pathinfo = str_replace("%", "%25", $pathinfo_array[0]);
mp-wp_genesis         158 			$req_uri = $_SERVER['REQUEST_URI'];
mp-wp_genesis         159 			$req_uri_array = explode('?', $req_uri);
mp-wp_genesis         160 			$req_uri = $req_uri_array[0];
mp-wp_genesis         161 			$self = $_SERVER['PHP_SELF'];
mp-wp_genesis         162 			$home_path = parse_url(get_option('home'));
mp-wp_genesis         163 			if ( isset($home_path['path']) )
mp-wp_genesis         164 				$home_path = $home_path['path'];
mp-wp_genesis         165 			else
mp-wp_genesis         166 				$home_path = '';
mp-wp_genesis         167 			$home_path = trim($home_path, '/');
mp-wp_genesis         168 
mp-wp_genesis         169 			// Trim path info from the end and the leading home path from the
mp-wp_genesis         170 			// front.  For path info requests, this leaves us with the requesting
mp-wp_genesis         171 			// filename, if any.  For 404 requests, this leaves us with the
mp-wp_genesis         172 			// requested permalink.
mp-wp_genesis         173 			$req_uri = str_replace($pathinfo, '', rawurldecode($req_uri));
mp-wp_genesis         174 			$req_uri = trim($req_uri, '/');
mp-wp_genesis         175 			$req_uri = preg_replace("|^$home_path|", '', $req_uri);
mp-wp_genesis         176 			$req_uri = trim($req_uri, '/');
mp-wp_genesis         177 			$pathinfo = trim($pathinfo, '/');
mp-wp_genesis         178 			$pathinfo = preg_replace("|^$home_path|", '', $pathinfo);
mp-wp_genesis         179 			$pathinfo = trim($pathinfo, '/');
mp-wp_genesis         180 			$self = trim($self, '/');
mp-wp_genesis         181 			$self = preg_replace("|^$home_path|", '', $self);
mp-wp_genesis         182 			$self = trim($self, '/');
mp-wp_genesis         183 
mp-wp_genesis         184 			// The requested permalink is in $pathinfo for path info requests and
mp-wp_genesis         185 			//  $req_uri for other requests.
mp-wp_genesis         186 			if ( ! empty($pathinfo) && !preg_match('|^.*' . $wp_rewrite->index . '$|', $pathinfo) ) {
mp-wp_genesis         187 				$request = $pathinfo;
mp-wp_genesis         188 			} else {
mp-wp_genesis         189 				// If the request uri is the index, blank it out so that we don't try to match it against a rule.
mp-wp_genesis         190 				if ( $req_uri == $wp_rewrite->index )
mp-wp_genesis         191 					$req_uri = '';
mp-wp_genesis         192 				$request = $req_uri;
mp-wp_genesis         193 			}
mp-wp_genesis         194 
mp-wp_genesis         195 			$this->request = $request;
mp-wp_genesis         196 
mp-wp_genesis         197 			// Look for matches.
mp-wp_genesis         198 			$request_match = $request;
mp-wp_genesis         199 			foreach ( (array) $rewrite as $match => $query) {
mp-wp_genesis         200 				// Don't try to match against AtomPub calls
mp-wp_genesis         201 				if ( $req_uri == 'wp-app.php' )
mp-wp_genesis         202 					break;
mp-wp_genesis         203 
mp-wp_genesis         204 				// If the requesting file is the anchor of the match, prepend it
mp-wp_genesis         205 				// to the path info.
mp-wp_genesis         206 				if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0) && ($req_uri != $request)) {
mp-wp_genesis         207 					$request_match = $req_uri . '/' . $request;
mp-wp_genesis         208 				}
mp-wp_genesis         209 
mp-wp_genesis         210 				if (preg_match("!^$match!", $request_match, $matches) ||
mp-wp_genesis         211 					preg_match("!^$match!", urldecode($request_match), $matches)) {
mp-wp_genesis         212 					// Got a match.
mp-wp_genesis         213 					$this->matched_rule = $match;
mp-wp_genesis         214 
mp-wp_genesis         215 					// Trim the query of everything up to the '?'.
mp-wp_genesis         216 					$query = preg_replace("!^.+\?!", '', $query);
mp-wp_genesis         217 
mp-wp_genesis         218 					// Substitute the substring matches into the query.
mp-wp_genesis         219 					eval("@\$query = \"" . addslashes($query) . "\";");
mp-wp_genesis         220 
mp-wp_genesis         221 					$this->matched_query = $query;
mp-wp_genesis         222 
mp-wp_genesis         223 					// Parse the query.
mp-wp_genesis         224 					parse_str($query, $perma_query_vars);
mp-wp_genesis         225 
mp-wp_genesis         226 					// If we're processing a 404 request, clear the error var
mp-wp_genesis         227 					// since we found something.
mp-wp_genesis         228 					if (isset($_GET['error']))
mp-wp_genesis         229 						unset($_GET['error']);
mp-wp_genesis         230 
mp-wp_genesis         231 					if (isset($error))
mp-wp_genesis         232 						unset($error);
mp-wp_genesis         233 
mp-wp_genesis         234 					break;
mp-wp_genesis         235 				}
mp-wp_genesis         236 			}
mp-wp_genesis         237 
mp-wp_genesis         238 			// If req_uri is empty or if it is a request for ourself, unset error.
mp-wp_genesis         239 			if (empty($request) || $req_uri == $self || strpos($_SERVER['PHP_SELF'], 'wp-admin/') !== false) {
mp-wp_genesis         240 				if (isset($_GET['error']))
mp-wp_genesis         241 					unset($_GET['error']);
mp-wp_genesis         242 
mp-wp_genesis         243 				if (isset($error))
mp-wp_genesis         244 					unset($error);
mp-wp_genesis         245 
mp-wp_genesis         246 				if (isset($perma_query_vars) && strpos($_SERVER['PHP_SELF'], 'wp-admin/') !== false)
mp-wp_genesis         247 					unset($perma_query_vars);
mp-wp_genesis         248 
mp-wp_genesis         249 				$this->did_permalink = false;
mp-wp_genesis         250 			}
mp-wp_genesis         251 		}
mp-wp_genesis         252 
mp-wp_genesis         253 		$this->public_query_vars = apply_filters('query_vars', $this->public_query_vars);
mp-wp_genesis         254 
mp-wp_genesis         255 		foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t )
mp-wp_genesis         256 			if ( isset($t->query_var) )
mp-wp_genesis         257 				$taxonomy_query_vars[$t->query_var] = $taxonomy;
mp-wp_genesis         258 
mp-wp_genesis         259 		for ($i=0; $i<count($this->public_query_vars); $i += 1) {
mp-wp_genesis         260 			$wpvar = $this->public_query_vars[$i];
mp-wp_genesis         261 			if (isset($this->extra_query_vars[$wpvar]))
mp-wp_genesis         262 				$this->query_vars[$wpvar] = $this->extra_query_vars[$wpvar];
mp-wp_genesis         263 			elseif (isset($GLOBALS[$wpvar]))
mp-wp_genesis         264 				$this->query_vars[$wpvar] = $GLOBALS[$wpvar];
mp-wp_genesis         265 			elseif (!empty($_POST[$wpvar]))
mp-wp_genesis         266 				$this->query_vars[$wpvar] = $_POST[$wpvar];
mp-wp_genesis         267 			elseif (!empty($_GET[$wpvar]))
mp-wp_genesis         268 				$this->query_vars[$wpvar] = $_GET[$wpvar];
mp-wp_genesis         269 			elseif (!empty($perma_query_vars[$wpvar]))
mp-wp_genesis         270 				$this->query_vars[$wpvar] = $perma_query_vars[$wpvar];
mp-wp_genesis         271 
mp-wp_genesis         272 			if ( !empty( $this->query_vars[$wpvar] ) ) {
mp-wp_genesis         273 				$this->query_vars[$wpvar] = (string) $this->query_vars[$wpvar];
mp-wp_genesis         274 				if ( in_array( $wpvar, $taxonomy_query_vars ) ) {
mp-wp_genesis         275 					$this->query_vars['taxonomy'] = $taxonomy_query_vars[$wpvar];
mp-wp_genesis         276 					$this->query_vars['term'] = $this->query_vars[$wpvar];
mp-wp_genesis         277 				}
mp-wp_genesis         278 			}
mp-wp_genesis         279 		}
mp-wp_genesis         280 
mp-wp_genesis         281 		foreach ( (array) $this->private_query_vars as $var) {
mp-wp_genesis         282 			if (isset($this->extra_query_vars[$var]))
mp-wp_genesis         283 				$this->query_vars[$var] = $this->extra_query_vars[$var];
mp-wp_genesis         284 			elseif (isset($GLOBALS[$var]) && '' != $GLOBALS[$var])
mp-wp_genesis         285 				$this->query_vars[$var] = $GLOBALS[$var];
mp-wp_genesis         286 		}
mp-wp_genesis         287 
mp-wp_genesis         288 		if ( isset($error) )
mp-wp_genesis         289 			$this->query_vars['error'] = $error;
mp-wp_genesis         290 
mp-wp_genesis         291 		$this->query_vars = apply_filters('request', $this->query_vars);
mp-wp_genesis         292 
mp-wp_genesis         293 		do_action_ref_array('parse_request', array(&$this));
mp-wp_genesis         294 	}
mp-wp_genesis         295 
mp-wp_genesis         296 	/**
mp-wp_genesis         297 	 * Send additional HTTP headers for caching, content type, etc.
mp-wp_genesis         298 	 *
mp-wp_genesis         299 	 * Sets the X-Pingback header, 404 status (if 404), Content-type. If showing
mp-wp_genesis         300 	 * a feed, it will also send last-modified, etag, and 304 status if needed.
mp-wp_genesis         301 	 *
mp-wp_genesis         302 	 * @since 2.0.0
mp-wp_genesis         303 	 */
mp-wp_genesis         304 	function send_headers() {
mp-wp_genesis         305 		@header('X-Pingback: '. get_bloginfo('pingback_url'));
mp-wp_genesis         306 		if ( is_user_logged_in() )
mp-wp_genesis         307 			nocache_headers();
mp-wp_genesis         308 		if ( !empty($this->query_vars['error']) && '404' == $this->query_vars['error'] ) {
mp-wp_genesis         309 			status_header( 404 );
mp-wp_genesis         310 			if ( !is_user_logged_in() )
mp-wp_genesis         311 				nocache_headers();
mp-wp_genesis         312 			@header('Content-Type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
mp-wp_genesis         313 		} else if ( empty($this->query_vars['feed']) ) {
mp-wp_genesis         314 			@header('Content-Type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
mp-wp_genesis         315 		} else {
mp-wp_genesis         316 			// We're showing a feed, so WP is indeed the only thing that last changed
mp-wp_genesis         317 			if ( !empty($this->query_vars['withcomments'])
mp-wp_genesis         318 				|| ( empty($this->query_vars['withoutcomments'])
mp-wp_genesis         319 					&& ( !empty($this->query_vars['p'])
mp-wp_genesis         320 						|| !empty($this->query_vars['name'])
mp-wp_genesis         321 						|| !empty($this->query_vars['page_id'])
mp-wp_genesis         322 						|| !empty($this->query_vars['pagename'])
mp-wp_genesis         323 						|| !empty($this->query_vars['attachment'])
mp-wp_genesis         324 						|| !empty($this->query_vars['attachment_id'])
mp-wp_genesis         325 					)
mp-wp_genesis         326 				)
mp-wp_genesis         327 			)
mp-wp_genesis         328 				$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';
mp-wp_genesis         329 			else
mp-wp_genesis         330 				$wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
mp-wp_genesis         331 			$wp_etag = '"' . md5($wp_last_modified) . '"';
mp-wp_genesis         332 			@header("Last-Modified: $wp_last_modified");
mp-wp_genesis         333 			@header("ETag: $wp_etag");
mp-wp_genesis         334 
mp-wp_genesis         335 			// Support for Conditional GET
mp-wp_genesis         336 			if (isset($_SERVER['HTTP_IF_NONE_MATCH']))
mp-wp_genesis         337 				$client_etag = stripslashes(stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
mp-wp_genesis         338 			else $client_etag = false;
mp-wp_genesis         339 
mp-wp_genesis         340 			$client_last_modified = empty($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? '' : trim($_SERVER['HTTP_IF_MODIFIED_SINCE']);
mp-wp_genesis         341 			// If string is empty, return 0. If not, attempt to parse into a timestamp
mp-wp_genesis         342 			$client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;
mp-wp_genesis         343 
mp-wp_genesis         344 			// Make a timestamp for our most recent modification...
mp-wp_genesis         345 			$wp_modified_timestamp = strtotime($wp_last_modified);
mp-wp_genesis         346 
mp-wp_genesis         347 			if ( ($client_last_modified && $client_etag) ?
mp-wp_genesis         348 					 (($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
mp-wp_genesis         349 					 (($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {
mp-wp_genesis         350 				status_header( 304 );
mp-wp_genesis         351 				exit;
mp-wp_genesis         352 			}
mp-wp_genesis         353 		}
mp-wp_genesis         354 
mp-wp_genesis         355 		do_action_ref_array('send_headers', array(&$this));
mp-wp_genesis         356 	}
mp-wp_genesis         357 
mp-wp_genesis         358 	/**
mp-wp_genesis         359 	 * Sets the query string property based off of the query variable property.
mp-wp_genesis         360 	 *
mp-wp_genesis         361 	 * The 'query_string' filter is deprecated, but still works. Plugins should
mp-wp_genesis         362 	 * use the 'request' filter instead.
mp-wp_genesis         363 	 *
mp-wp_genesis         364 	 * @since 2.0.0
mp-wp_genesis         365 	 */
mp-wp_genesis         366 	function build_query_string() {
mp-wp_genesis         367 		$this->query_string = '';
mp-wp_genesis         368 		foreach ( (array) array_keys($this->query_vars) as $wpvar) {
mp-wp_genesis         369 			if ( '' != $this->query_vars[$wpvar] ) {
mp-wp_genesis         370 				$this->query_string .= (strlen($this->query_string) < 1) ? '' : '&';
mp-wp_genesis         371 				if ( !is_scalar($this->query_vars[$wpvar]) ) // Discard non-scalars.
mp-wp_genesis         372 					continue;
mp-wp_genesis         373 				$this->query_string .= $wpvar . '=' . rawurlencode($this->query_vars[$wpvar]);
mp-wp_genesis         374 			}
mp-wp_genesis         375 		}
mp-wp_genesis         376 
mp-wp_genesis         377 		// query_string filter deprecated.  Use request filter instead.
mp-wp_genesis         378 		if ( has_filter('query_string') ) {  // Don't bother filtering and parsing if no plugins are hooked in.
mp-wp_genesis         379 			$this->query_string = apply_filters('query_string', $this->query_string);
mp-wp_genesis         380 			parse_str($this->query_string, $this->query_vars);
mp-wp_genesis         381 		}
mp-wp_genesis         382 	}
mp-wp_genesis         383 
mp-wp_genesis         384 	/**
mp-wp_genesis         385 	 * Setup the WordPress Globals.
mp-wp_genesis         386 	 *
mp-wp_genesis         387 	 * The query_vars property will be extracted to the GLOBALS. So care should
mp-wp_genesis         388 	 * be taken when naming global variables that might interfere with the
mp-wp_genesis         389 	 * WordPress environment.
mp-wp_genesis         390 	 *
mp-wp_genesis         391 	 * @global string $query_string Query string for the loop.
mp-wp_genesis         392 	 * @global int $more Only set, if single page or post.
mp-wp_genesis         393 	 * @global int $single If single page or post. Only set, if single page or post.
mp-wp_genesis         394 	 *
mp-wp_genesis         395 	 * @since 2.0.0
mp-wp_genesis         396 	 */
mp-wp_genesis         397 	function register_globals() {
mp-wp_genesis         398 		global $wp_query;
mp-wp_genesis         399 		// Extract updated query vars back into global namespace.
mp-wp_genesis         400 		foreach ( (array) $wp_query->query_vars as $key => $value) {
mp-wp_genesis         401 			$GLOBALS[$key] = $value;
mp-wp_genesis         402 		}
mp-wp_genesis         403 
mp-wp_genesis         404 		$GLOBALS['query_string'] = & $this->query_string;
mp-wp_genesis         405 		$GLOBALS['posts'] = & $wp_query->posts;
mp-wp_genesis         406 		$GLOBALS['post'] = & $wp_query->post;
mp-wp_genesis         407 		$GLOBALS['request'] = & $wp_query->request;
mp-wp_genesis         408 
mp-wp_genesis         409 		if ( is_single() || is_page() ) {
mp-wp_genesis         410 			$GLOBALS['more'] = 1;
mp-wp_genesis         411 			$GLOBALS['single'] = 1;
mp-wp_genesis         412 		}
mp-wp_genesis         413 	}
mp-wp_genesis         414 
mp-wp_genesis         415 	/**
mp-wp_genesis         416 	 * Setup the current user.
mp-wp_genesis         417 	 *
mp-wp_genesis         418 	 * @since 2.0.0
mp-wp_genesis         419 	 */
mp-wp_genesis         420 	function init() {
mp-wp_genesis         421 		wp_get_current_user();
mp-wp_genesis         422 	}
mp-wp_genesis         423 
mp-wp_genesis         424 	/**
mp-wp_genesis         425 	 * Setup the Loop based on the query variables.
mp-wp_genesis         426 	 *
mp-wp_genesis         427 	 * @uses WP::$query_vars
mp-wp_genesis         428 	 * @since 2.0.0
mp-wp_genesis         429 	 */
mp-wp_genesis         430 	function query_posts() {
mp-wp_genesis         431 		global $wp_the_query;
mp-wp_genesis         432 		$this->build_query_string();
mp-wp_genesis         433 		$wp_the_query->query($this->query_vars);
mp-wp_genesis         434  	}
mp-wp_genesis         435 
mp-wp_genesis         436  	/**
mp-wp_genesis         437  	 * Set the Headers for 404, if permalink is not found.
mp-wp_genesis         438 	 *
mp-wp_genesis         439 	 * Issue a 404 if a permalink request doesn't match any posts.  Don't issue
mp-wp_genesis         440 	 * a 404 if one was already issued, if the request was a search, or if the
mp-wp_genesis         441 	 * request was a regular query string request rather than a permalink
mp-wp_genesis         442 	 * request. Issues a 200, if not 404.
mp-wp_genesis         443 	 *
mp-wp_genesis         444 	 * @since 2.0.0
mp-wp_genesis         445  	 */
mp-wp_genesis         446 	function handle_404() {
mp-wp_genesis         447 		global $wp_query;
mp-wp_genesis         448 
mp-wp_genesis         449 		if ( (0 == count($wp_query->posts)) && !is_404() && !is_search() && ( $this->did_permalink || (!empty($_SERVER['QUERY_STRING']) && (false === strpos($_SERVER['REQUEST_URI'], '?'))) ) ) {
mp-wp_genesis         450 			// Don't 404 for these queries if they matched an object.
mp-wp_genesis         451 			if ( ( is_tag() || is_category() || is_author() ) && $wp_query->get_queried_object() ) {
mp-wp_genesis         452 				if ( !is_404() )
mp-wp_genesis         453 					status_header( 200 );
mp-wp_genesis         454 				return;
mp-wp_genesis         455 			}
mp-wp_genesis         456 			$wp_query->set_404();
mp-wp_genesis         457 			status_header( 404 );
mp-wp_genesis         458 			nocache_headers();
mp-wp_genesis         459 		} elseif ( !is_404() ) {
mp-wp_genesis         460 			status_header( 200 );
mp-wp_genesis         461 		}
mp-wp_genesis         462 	}
mp-wp_genesis         463 
mp-wp_genesis         464 	/**
mp-wp_genesis         465 	 * Sets up all of the variables required by the WordPress environment.
mp-wp_genesis         466 	 *
mp-wp_genesis         467 	 * The action 'wp' has one parameter that references the WP object. It
mp-wp_genesis         468 	 * allows for accessing the properties and methods to further manipulate the
mp-wp_genesis         469 	 * object.
mp-wp_genesis         470 	 *
mp-wp_genesis         471 	 * @since 2.0.0
mp-wp_genesis         472 	 *
mp-wp_genesis         473 	 * @param string|array $query_args Passed to {@link parse_request()}
mp-wp_genesis         474 	 */
mp-wp_genesis         475 	function main($query_args = '') {
mp-wp_genesis         476 		$this->init();
mp-wp_genesis         477 		$this->parse_request($query_args);
mp-wp_genesis         478 		$this->send_headers();
mp-wp_genesis         479 		$this->query_posts();
mp-wp_genesis         480 		$this->handle_404();
mp-wp_genesis         481 		$this->register_globals();
mp-wp_genesis         482 		do_action_ref_array('wp', array(&$this));
mp-wp_genesis         483 	}
mp-wp_genesis         484 
mp-wp_genesis         485 	/**
mp-wp_genesis         486 	 * PHP4 Constructor - Does nothing.
mp-wp_genesis         487 	 *
mp-wp_genesis         488 	 * Call main() method when ready to run setup.
mp-wp_genesis         489 	 *
mp-wp_genesis         490 	 * @since 2.0.0
mp-wp_genesis         491 	 *
mp-wp_genesis         492 	 * @return WP
mp-wp_genesis         493 	 */
mp-wp_genesis         494 	function WP() {
mp-wp_genesis         495 		// Empty.
mp-wp_genesis         496 	}
mp-wp_genesis         497 }
mp-wp_genesis         498 
mp-wp_genesis         499 /**
mp-wp_genesis         500  * WordPress Error class.
mp-wp_genesis         501  *
mp-wp_genesis         502  * Container for checking for WordPress errors and error messages. Return
mp-wp_genesis         503  * WP_Error and use {@link is_wp_error()} to check if this class is returned.
mp-wp_genesis         504  * Many core WordPress functions pass this class in the event of an error and
mp-wp_genesis         505  * if not handled properly will result in code errors.
mp-wp_genesis         506  *
mp-wp_genesis         507  * @package WordPress
mp-wp_genesis         508  * @since 2.1.0
mp-wp_genesis         509  */
mp-wp_genesis         510 class WP_Error {
mp-wp_genesis         511 	/**
mp-wp_genesis         512 	 * Stores the list of errors.
mp-wp_genesis         513 	 *
mp-wp_genesis         514 	 * @since 2.1.0
mp-wp_genesis         515 	 * @var array
mp-wp_genesis         516 	 * @access private
mp-wp_genesis         517 	 */
mp-wp_genesis         518 	var $errors = array();
mp-wp_genesis         519 
mp-wp_genesis         520 	/**
mp-wp_genesis         521 	 * Stores the list of data for error codes.
mp-wp_genesis         522 	 *
mp-wp_genesis         523 	 * @since 2.1.0
mp-wp_genesis         524 	 * @var array
mp-wp_genesis         525 	 * @access private
mp-wp_genesis         526 	 */
mp-wp_genesis         527 	var $error_data = array();
mp-wp_genesis         528 
mp-wp_genesis         529 	/**
mp-wp_genesis         530 	 * PHP4 Constructor - Sets up error message.
mp-wp_genesis         531 	 *
mp-wp_genesis         532 	 * If code parameter is empty then nothing will be done. It is possible to
mp-wp_genesis         533 	 * add multiple messages to the same code, but with other methods in the
mp-wp_genesis         534 	 * class.
mp-wp_genesis         535 	 *
mp-wp_genesis         536 	 * All parameters are optional, but if the code parameter is set, then the
mp-wp_genesis         537 	 * data parameter is optional.
mp-wp_genesis         538 	 *
mp-wp_genesis         539 	 * @since 2.1.0
mp-wp_genesis         540 	 *
mp-wp_genesis         541 	 * @param string|int $code Error code
mp-wp_genesis         542 	 * @param string $message Error message
mp-wp_genesis         543 	 * @param mixed $data Optional. Error data.
mp-wp_genesis         544 	 * @return WP_Error
mp-wp_genesis         545 	 */
mp-wp_genesis         546 	function WP_Error($code = '', $message = '', $data = '') {
mp-wp_genesis         547 		if ( empty($code) )
mp-wp_genesis         548 			return;
mp-wp_genesis         549 
mp-wp_genesis         550 		$this->errors[$code][] = $message;
mp-wp_genesis         551 
mp-wp_genesis         552 		if ( ! empty($data) )
mp-wp_genesis         553 			$this->error_data[$code] = $data;
mp-wp_genesis         554 	}
mp-wp_genesis         555 
mp-wp_genesis         556 	/**
mp-wp_genesis         557 	 * Retrieve all error codes.
mp-wp_genesis         558 	 *
mp-wp_genesis         559 	 * @since 2.1.0
mp-wp_genesis         560 	 * @access public
mp-wp_genesis         561 	 *
mp-wp_genesis         562 	 * @return array List of error codes, if avaiable.
mp-wp_genesis         563 	 */
mp-wp_genesis         564 	function get_error_codes() {
mp-wp_genesis         565 		if ( empty($this->errors) )
mp-wp_genesis         566 			return array();
mp-wp_genesis         567 
mp-wp_genesis         568 		return array_keys($this->errors);
mp-wp_genesis         569 	}
mp-wp_genesis         570 
mp-wp_genesis         571 	/**
mp-wp_genesis         572 	 * Retrieve first error code available.
mp-wp_genesis         573 	 *
mp-wp_genesis         574 	 * @since 2.1.0
mp-wp_genesis         575 	 * @access public
mp-wp_genesis         576 	 *
mp-wp_genesis         577 	 * @return string|int Empty string, if no error codes.
mp-wp_genesis         578 	 */
mp-wp_genesis         579 	function get_error_code() {
mp-wp_genesis         580 		$codes = $this->get_error_codes();
mp-wp_genesis         581 
mp-wp_genesis         582 		if ( empty($codes) )
mp-wp_genesis         583 			return '';
mp-wp_genesis         584 
mp-wp_genesis         585 		return $codes[0];
mp-wp_genesis         586 	}
mp-wp_genesis         587 
mp-wp_genesis         588 	/**
mp-wp_genesis         589 	 * Retrieve all error messages or error messages matching code.
mp-wp_genesis         590 	 *
mp-wp_genesis         591 	 * @since 2.1.0
mp-wp_genesis         592 	 *
mp-wp_genesis         593 	 * @param string|int $code Optional. Retrieve messages matching code, if exists.
mp-wp_genesis         594 	 * @return array Error strings on success, or empty array on failure (if using codee parameter).
mp-wp_genesis         595 	 */
mp-wp_genesis         596 	function get_error_messages($code = '') {
mp-wp_genesis         597 		// Return all messages if no code specified.
mp-wp_genesis         598 		if ( empty($code) ) {
mp-wp_genesis         599 			$all_messages = array();
mp-wp_genesis         600 			foreach ( (array) $this->errors as $code => $messages )
mp-wp_genesis         601 				$all_messages = array_merge($all_messages, $messages);
mp-wp_genesis         602 
mp-wp_genesis         603 			return $all_messages;
mp-wp_genesis         604 		}
mp-wp_genesis         605 
mp-wp_genesis         606 		if ( isset($this->errors[$code]) )
mp-wp_genesis         607 			return $this->errors[$code];
mp-wp_genesis         608 		else
mp-wp_genesis         609 			return array();
mp-wp_genesis         610 	}
mp-wp_genesis         611 
mp-wp_genesis         612 	/**
mp-wp_genesis         613 	 * Get single error message.
mp-wp_genesis         614 	 *
mp-wp_genesis         615 	 * This will get the first message available for the code. If no code is
mp-wp_genesis         616 	 * given then the first code available will be used.
mp-wp_genesis         617 	 *
mp-wp_genesis         618 	 * @since 2.1.0
mp-wp_genesis         619 	 *
mp-wp_genesis         620 	 * @param string|int $code Optional. Error code to retrieve message.
mp-wp_genesis         621 	 * @return string
mp-wp_genesis         622 	 */
mp-wp_genesis         623 	function get_error_message($code = '') {
mp-wp_genesis         624 		if ( empty($code) )
mp-wp_genesis         625 			$code = $this->get_error_code();
mp-wp_genesis         626 		$messages = $this->get_error_messages($code);
mp-wp_genesis         627 		if ( empty($messages) )
mp-wp_genesis         628 			return '';
mp-wp_genesis         629 		return $messages[0];
mp-wp_genesis         630 	}
mp-wp_genesis         631 
mp-wp_genesis         632 	/**
mp-wp_genesis         633 	 * Retrieve error data for error code.
mp-wp_genesis         634 	 *
mp-wp_genesis         635 	 * @since 2.1.0
mp-wp_genesis         636 	 *
mp-wp_genesis         637 	 * @param string|int $code Optional. Error code.
mp-wp_genesis         638 	 * @return mixed Null, if no errors.
mp-wp_genesis         639 	 */
mp-wp_genesis         640 	function get_error_data($code = '') {
mp-wp_genesis         641 		if ( empty($code) )
mp-wp_genesis         642 			$code = $this->get_error_code();
mp-wp_genesis         643 
mp-wp_genesis         644 		if ( isset($this->error_data[$code]) )
mp-wp_genesis         645 			return $this->error_data[$code];
mp-wp_genesis         646 		return null;
mp-wp_genesis         647 	}
mp-wp_genesis         648 
mp-wp_genesis         649 	/**
mp-wp_genesis         650 	 * Append more error messages to list of error messages.
mp-wp_genesis         651 	 *
mp-wp_genesis         652 	 * @since 2.1.0
mp-wp_genesis         653 	 * @access public
mp-wp_genesis         654 	 *
mp-wp_genesis         655 	 * @param string|int $code Error code.
mp-wp_genesis         656 	 * @param string $message Error message.
mp-wp_genesis         657 	 * @param mixed $data Optional. Error data.
mp-wp_genesis         658 	 */
mp-wp_genesis         659 	function add($code, $message, $data = '') {
mp-wp_genesis         660 		$this->errors[$code][] = $message;
mp-wp_genesis         661 		if ( ! empty($data) )
mp-wp_genesis         662 			$this->error_data[$code] = $data;
mp-wp_genesis         663 	}
mp-wp_genesis         664 
mp-wp_genesis         665 	/**
mp-wp_genesis         666 	 * Add data for error code.
mp-wp_genesis         667 	 *
mp-wp_genesis         668 	 * The error code can only contain one error data.
mp-wp_genesis         669 	 *
mp-wp_genesis         670 	 * @since 2.1.0
mp-wp_genesis         671 	 *
mp-wp_genesis         672 	 * @param mixed $data Error data.
mp-wp_genesis         673 	 * @param string|int $code Error code.
mp-wp_genesis         674 	 */
mp-wp_genesis         675 	function add_data($data, $code = '') {
mp-wp_genesis         676 		if ( empty($code) )
mp-wp_genesis         677 			$code = $this->get_error_code();
mp-wp_genesis         678 
mp-wp_genesis         679 		$this->error_data[$code] = $data;
mp-wp_genesis         680 	}
mp-wp_genesis         681 }
mp-wp_genesis         682 
mp-wp_genesis         683 /**
mp-wp_genesis         684  * Check whether variable is a WordPress Error.
mp-wp_genesis         685  *
mp-wp_genesis         686  * Looks at the object and if a WP_Error class. Does not check to see if the
mp-wp_genesis         687  * parent is also WP_Error, so can't inherit WP_Error and still use this
mp-wp_genesis         688  * function.
mp-wp_genesis         689  *
mp-wp_genesis         690  * @since 2.1.0
mp-wp_genesis         691  *
mp-wp_genesis         692  * @param mixed $thing Check if unknown variable is WordPress Error object.
mp-wp_genesis         693  * @return bool True, if WP_Error. False, if not WP_Error.
mp-wp_genesis         694  */
mp-wp_genesis         695 function is_wp_error($thing) {
mp-wp_genesis         696 	if ( is_object($thing) && is_a($thing, 'WP_Error') )
mp-wp_genesis         697 		return true;
mp-wp_genesis         698 	return false;
mp-wp_genesis         699 }
mp-wp_genesis         700 
mp-wp_genesis         701 /**
mp-wp_genesis         702  * A class for displaying various tree-like structures.
mp-wp_genesis         703  *
mp-wp_genesis         704  * Extend the Walker class to use it, see examples at the below. Child classes
mp-wp_genesis         705  * do not need to implement all of the abstract methods in the class. The child
mp-wp_genesis         706  * only needs to implement the methods that are needed. Also, the methods are
mp-wp_genesis         707  * not strictly abstract in that the parameter definition needs to be followed.
mp-wp_genesis         708  * The child classes can have additional parameters.
mp-wp_genesis         709  *
mp-wp_genesis         710  * @package WordPress
mp-wp_genesis         711  * @since 2.1.0
mp-wp_genesis         712  * @abstract
mp-wp_genesis         713  */
mp-wp_genesis         714 class Walker {
mp-wp_genesis         715 	/**
mp-wp_genesis         716 	 * What the class handles.
mp-wp_genesis         717 	 *
mp-wp_genesis         718 	 * @since 2.1.0
mp-wp_genesis         719 	 * @var string
mp-wp_genesis         720 	 * @access public
mp-wp_genesis         721 	 */
mp-wp_genesis         722 	var $tree_type;
mp-wp_genesis         723 
mp-wp_genesis         724 	/**
mp-wp_genesis         725 	 * DB fields to use.
mp-wp_genesis         726 	 *
mp-wp_genesis         727 	 * @since 2.1.0
mp-wp_genesis         728 	 * @var array
mp-wp_genesis         729 	 * @access protected
mp-wp_genesis         730 	 */
mp-wp_genesis         731 	var $db_fields;
mp-wp_genesis         732 
mp-wp_genesis         733 	/**
mp-wp_genesis         734 	 * Max number of pages walked by the paged walker
mp-wp_genesis         735 	 *
mp-wp_genesis         736 	 * @since 2.7.0
mp-wp_genesis         737 	 * @var int
mp-wp_genesis         738 	 * @access protected
mp-wp_genesis         739 	 */
mp-wp_genesis         740 	var $max_pages = 1;
mp-wp_genesis         741 
mp-wp_genesis         742 	/**
mp-wp_genesis         743 	 * Starts the list before the elements are added.
mp-wp_genesis         744 	 *
mp-wp_genesis         745 	 * Additional parameters are used in child classes. The args parameter holds
mp-wp_genesis         746 	 * additional values that may be used with the child class methods. This
mp-wp_genesis         747 	 * method is called at the start of the output list.
mp-wp_genesis         748 	 *
mp-wp_genesis         749 	 * @since 2.1.0
mp-wp_genesis         750 	 * @abstract
mp-wp_genesis         751 	 *
mp-wp_genesis         752 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis         753 	 */
mp-wp_genesis         754 #	function start_lvl(&$output) {}
mp-wp_genesis         755 
mp-wp_genesis         756 	/**
mp-wp_genesis         757 	 * Ends the list of after the elements are added.
mp-wp_genesis         758 	 *
mp-wp_genesis         759 	 * Additional parameters are used in child classes. The args parameter holds
mp-wp_genesis         760 	 * additional values that may be used with the child class methods. This
mp-wp_genesis         761 	 * method finishes the list at the end of output of the elements.
mp-wp_genesis         762 	 *
mp-wp_genesis         763 	 * @since 2.1.0
mp-wp_genesis         764 	 * @abstract
mp-wp_genesis         765 	 *
mp-wp_genesis         766 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis         767 	 */
mp-wp_genesis         768 #	function end_lvl(&$output)   {}
mp-wp_genesis         769 
mp-wp_genesis         770 	/**
mp-wp_genesis         771 	 * Start the element output.
mp-wp_genesis         772 	 *
mp-wp_genesis         773 	 * Additional parameters are used in child classes. The args parameter holds
mp-wp_genesis         774 	 * additional values that may be used with the child class methods. Includes
mp-wp_genesis         775 	 * the element output also.
mp-wp_genesis         776 	 *
mp-wp_genesis         777 	 * @since 2.1.0
mp-wp_genesis         778 	 * @abstract
mp-wp_genesis         779 	 *
mp-wp_genesis         780 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis         781 	 */
mp-wp_genesis         782 #	function start_el(&$output)  {}
mp-wp_genesis         783 
mp-wp_genesis         784 	/**
mp-wp_genesis         785 	 * Ends the element output, if needed.
mp-wp_genesis         786 	 *
mp-wp_genesis         787 	 * Additional parameters are used in child classes. The args parameter holds
mp-wp_genesis         788 	 * additional values that may be used with the child class methods.
mp-wp_genesis         789 	 *
mp-wp_genesis         790 	 * @since 2.1.0
mp-wp_genesis         791 	 * @abstract
mp-wp_genesis         792 	 *
mp-wp_genesis         793 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis         794 	 * @param object $thing object involved in walking
mp-wp_genesis         795 	 * @param int $depth Depth of object
mp-wp_genesis         796 	 * @param array $args additional arguments
mp-wp_genesis         797 	 */
mp-wp_genesis         798 	function end_el(&$output, $thing, $depth, $args)    {}
mp-wp_genesis         799 
mp-wp_genesis         800 	/**
mp-wp_genesis         801 	 * Traverse elements to create list from elements.
mp-wp_genesis         802 	 *
mp-wp_genesis         803 	 * Display one element if the element doesn't have any children otherwise,
mp-wp_genesis         804 	 * display the element and its children. Will only traverse up to the max
mp-wp_genesis         805 	 * depth and no ignore elements under that depth. It is possible to set the
mp-wp_genesis         806 	 * max depth to include all depths, see walk() method.
mp-wp_genesis         807 	 *
mp-wp_genesis         808 	 * This method shouldn't be called directly, use the walk() method instead.
mp-wp_genesis         809 	 *
mp-wp_genesis         810 	 * @since 2.5.0
mp-wp_genesis         811 	 *
mp-wp_genesis         812 	 * @param object $element Data object
mp-wp_genesis         813 	 * @param array $children_elements List of elements to continue traversing.
mp-wp_genesis         814 	 * @param int $max_depth Max depth to traverse.
mp-wp_genesis         815 	 * @param int $depth Depth of current element.
mp-wp_genesis         816 	 * @param array $args
mp-wp_genesis         817 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis         818 	 * @return null Null on failure with no changes to parameters.
mp-wp_genesis         819 	 */
mp-wp_genesis         820 	function display_element( $element, &$children_elements, $max_depth, $depth=0, $args, &$output ) {
mp-wp_genesis         821 
mp-wp_genesis         822 		if ( !$element )
mp-wp_genesis         823 			return;
mp-wp_genesis         824 
mp-wp_genesis         825 		$id_field = $this->db_fields['id'];
mp-wp_genesis         826 
mp-wp_genesis         827 		//display this element
mp-wp_genesis         828 		if ( is_array( $args[0] ) )
mp-wp_genesis         829 			$args[0]['has_children'] = ! empty( $children_elements[$element->$id_field] );
mp-wp_genesis         830 		$cb_args = array_merge( array(&$output, $element, $depth), $args);
mp-wp_genesis         831 		call_user_func_array(array(&$this, 'start_el'), $cb_args);
mp-wp_genesis         832 
mp-wp_genesis         833 		$id = $element->$id_field;
mp-wp_genesis         834 
mp-wp_genesis         835 		// descend only when the depth is right and there are childrens for this element
mp-wp_genesis         836 		if ( ($max_depth == 0 || $max_depth > $depth+1 ) && isset( $children_elements[$id]) ) {
mp-wp_genesis         837 
mp-wp_genesis         838 			foreach( $children_elements[ $id ] as $child ){
mp-wp_genesis         839 
mp-wp_genesis         840 				if ( !isset($newlevel) ) {
mp-wp_genesis         841 					$newlevel = true;
mp-wp_genesis         842 					//start the child delimiter
mp-wp_genesis         843 					$cb_args = array_merge( array(&$output, $depth), $args);
mp-wp_genesis         844 					call_user_func_array(array(&$this, 'start_lvl'), $cb_args);
mp-wp_genesis         845 				}
mp-wp_genesis         846 				$this->display_element( $child, $children_elements, $max_depth, $depth + 1, $args, $output );
mp-wp_genesis         847 			}
mp-wp_genesis         848 			unset( $children_elements[ $id ] );
mp-wp_genesis         849 		}
mp-wp_genesis         850 
mp-wp_genesis         851 		if ( isset($newlevel) && $newlevel ){
mp-wp_genesis         852 			//end the child delimiter
mp-wp_genesis         853 			$cb_args = array_merge( array(&$output, $depth), $args);
mp-wp_genesis         854 			call_user_func_array(array(&$this, 'end_lvl'), $cb_args);
mp-wp_genesis         855 		}
mp-wp_genesis         856 
mp-wp_genesis         857 		//end this element
mp-wp_genesis         858 		$cb_args = array_merge( array(&$output, $element, $depth), $args);
mp-wp_genesis         859 		call_user_func_array(array(&$this, 'end_el'), $cb_args);
mp-wp_genesis         860 	}
mp-wp_genesis         861 
mp-wp_genesis         862 	/**
mp-wp_genesis         863 	 * Display array of elements hierarchically.
mp-wp_genesis         864 	 *
mp-wp_genesis         865 	 * It is a generic function which does not assume any existing order of
mp-wp_genesis         866 	 * elements. max_depth = -1 means flatly display every element. max_depth =
mp-wp_genesis         867 	 * 0 means display all levels. max_depth > 0  specifies the number of
mp-wp_genesis         868 	 * display levels.
mp-wp_genesis         869 	 *
mp-wp_genesis         870 	 * @since 2.1.0
mp-wp_genesis         871 	 *
mp-wp_genesis         872 	 * @param array $elements
mp-wp_genesis         873 	 * @param int $max_depth
mp-wp_genesis         874 	 * @return string
mp-wp_genesis         875 	 */
mp-wp_genesis         876 	function walk( $elements, $max_depth) {
mp-wp_genesis         877 
mp-wp_genesis         878 		$args = array_slice(func_get_args(), 2);
mp-wp_genesis         879 		$output = '';
mp-wp_genesis         880 
mp-wp_genesis         881 		if ($max_depth < -1) //invalid parameter
mp-wp_genesis         882 			return $output;
mp-wp_genesis         883 
mp-wp_genesis         884 		if (empty($elements)) //nothing to walk
mp-wp_genesis         885 			return $output;
mp-wp_genesis         886 
mp-wp_genesis         887 		$id_field = $this->db_fields['id'];
mp-wp_genesis         888 		$parent_field = $this->db_fields['parent'];
mp-wp_genesis         889 
mp-wp_genesis         890 		// flat display
mp-wp_genesis         891 		if ( -1 == $max_depth ) {
mp-wp_genesis         892 			$empty_array = array();
mp-wp_genesis         893 			foreach ( $elements as $e )
mp-wp_genesis         894 				$this->display_element( $e, $empty_array, 1, 0, $args, $output );
mp-wp_genesis         895 			return $output;
mp-wp_genesis         896 		}
mp-wp_genesis         897 
mp-wp_genesis         898 		/*
mp-wp_genesis         899 		 * need to display in hierarchical order
mp-wp_genesis         900 		 * seperate elements into two buckets: top level and children elements
mp-wp_genesis         901 		 * children_elements is two dimensional array, eg.
mp-wp_genesis         902 		 * children_elements[10][] contains all sub-elements whose parent is 10.
mp-wp_genesis         903 		 */
mp-wp_genesis         904 		$top_level_elements = array();
mp-wp_genesis         905 		$children_elements  = array();
mp-wp_genesis         906 		foreach ( $elements as $e) {
mp-wp_genesis         907 			if ( 0 == $e->$parent_field )
mp-wp_genesis         908 				$top_level_elements[] = $e;
mp-wp_genesis         909 			else
mp-wp_genesis         910 				$children_elements[ $e->$parent_field ][] = $e;
mp-wp_genesis         911 		}
mp-wp_genesis         912 
mp-wp_genesis         913 		/*
mp-wp_genesis         914 		 * when none of the elements is top level
mp-wp_genesis         915 		 * assume the first one must be root of the sub elements
mp-wp_genesis         916 		 */
mp-wp_genesis         917 		if ( empty($top_level_elements) ) {
mp-wp_genesis         918 
mp-wp_genesis         919 			$first = array_slice( $elements, 0, 1 );
mp-wp_genesis         920 			$root = $first[0];
mp-wp_genesis         921 
mp-wp_genesis         922 			$top_level_elements = array();
mp-wp_genesis         923 			$children_elements  = array();
mp-wp_genesis         924 			foreach ( $elements as $e) {
mp-wp_genesis         925 				if ( $root->$parent_field == $e->$parent_field )
mp-wp_genesis         926 					$top_level_elements[] = $e;
mp-wp_genesis         927 				else
mp-wp_genesis         928 					$children_elements[ $e->$parent_field ][] = $e;
mp-wp_genesis         929 			}
mp-wp_genesis         930 		}
mp-wp_genesis         931 
mp-wp_genesis         932 		foreach ( $top_level_elements as $e )
mp-wp_genesis         933 			$this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
mp-wp_genesis         934 
mp-wp_genesis         935 		/*
mp-wp_genesis         936 		 * if we are displaying all levels, and remaining children_elements is not empty,
mp-wp_genesis         937 		 * then we got orphans, which should be displayed regardless
mp-wp_genesis         938 		 */
mp-wp_genesis         939 		if ( ( $max_depth == 0 ) && count( $children_elements ) > 0 ) {
mp-wp_genesis         940 			$empty_array = array();
mp-wp_genesis         941 			foreach ( $children_elements as $orphans )
mp-wp_genesis         942 				foreach( $orphans as $op )
mp-wp_genesis         943 					$this->display_element( $op, $empty_array, 1, 0, $args, $output );
mp-wp_genesis         944 		 }
mp-wp_genesis         945 
mp-wp_genesis         946 		 return $output;
mp-wp_genesis         947 	}
mp-wp_genesis         948 
mp-wp_genesis         949 	/**
mp-wp_genesis         950  	 * paged_walk() - produce a page of nested elements
mp-wp_genesis         951  	 *
mp-wp_genesis         952  	 * Given an array of hierarchical elements, the maximum depth, a specific page number,
mp-wp_genesis         953  	 * and number of elements per page, this function first determines all top level root elements
mp-wp_genesis         954  	 * belonging to that page, then lists them and all of their children in hierarchical order.
mp-wp_genesis         955  	 *
mp-wp_genesis         956  	 * @package WordPress
mp-wp_genesis         957  	 * @since 2.7
mp-wp_genesis         958  	 * @param $max_depth = 0  means display all levels; $max_depth > 0  specifies the number of display levels.
mp-wp_genesis         959  	 * @param $page_num the specific page number, beginning with 1.
mp-wp_genesis         960  	 * @return XHTML of the specified page of elements
mp-wp_genesis         961  	 */
mp-wp_genesis         962 	function paged_walk( $elements, $max_depth, $page_num, $per_page ) {
mp-wp_genesis         963 
mp-wp_genesis         964 		/* sanity check */
mp-wp_genesis         965 		if ( empty($elements) || $max_depth < -1 )
mp-wp_genesis         966 			return '';
mp-wp_genesis         967 
mp-wp_genesis         968 		$args = array_slice( func_get_args(), 4 );
mp-wp_genesis         969 		$output = '';
mp-wp_genesis         970 
mp-wp_genesis         971 		$id_field = $this->db_fields['id'];
mp-wp_genesis         972 		$parent_field = $this->db_fields['parent'];
mp-wp_genesis         973 
mp-wp_genesis         974 		$count = -1;
mp-wp_genesis         975 		if ( -1 == $max_depth )
mp-wp_genesis         976 			$total_top = count( $elements );
mp-wp_genesis         977 		if ( $page_num < 1 || $per_page < 0  ) {
mp-wp_genesis         978 			// No paging
mp-wp_genesis         979 			$paging = false;
mp-wp_genesis         980 			$start = 0;
mp-wp_genesis         981 			if ( -1 == $max_depth )
mp-wp_genesis         982 				$end = $total_top;
mp-wp_genesis         983 			$this->max_pages = 1;
mp-wp_genesis         984 		} else {
mp-wp_genesis         985 			$paging = true;
mp-wp_genesis         986 			$start = ( (int)$page_num - 1 ) * (int)$per_page;
mp-wp_genesis         987 			$end   = $start + $per_page;
mp-wp_genesis         988 			if ( -1 == $max_depth )
mp-wp_genesis         989 				$this->max_pages = ceil($total_top / $per_page);
mp-wp_genesis         990 		}
mp-wp_genesis         991 
mp-wp_genesis         992 		// flat display
mp-wp_genesis         993 		if ( -1 == $max_depth ) {
mp-wp_genesis         994 			if ( !empty($args[0]['reverse_top_level']) ) {
mp-wp_genesis         995 				$elements = array_reverse( $elements );
mp-wp_genesis         996 				$oldstart = $start;
mp-wp_genesis         997 				$start = $total_top - $end;
mp-wp_genesis         998 				$end = $total_top - $oldstart;
mp-wp_genesis         999 			}
mp-wp_genesis        1000 
mp-wp_genesis        1001 			$empty_array = array();
mp-wp_genesis        1002 			foreach ( $elements as $e ) {
mp-wp_genesis        1003 				$count++;
mp-wp_genesis        1004 				if ( $count < $start )
mp-wp_genesis        1005 					continue;
mp-wp_genesis        1006 				if ( $count >= $end )
mp-wp_genesis        1007 					break;
mp-wp_genesis        1008 				$this->display_element( $e, $empty_array, 1, 0, $args, $output );
mp-wp_genesis        1009 			}
mp-wp_genesis        1010 			return $output;
mp-wp_genesis        1011 		}
mp-wp_genesis        1012 
mp-wp_genesis        1013 		/*
mp-wp_genesis        1014 		 * seperate elements into two buckets: top level and children elements
mp-wp_genesis        1015 		 * children_elements is two dimensional array, eg.
mp-wp_genesis        1016 		 * children_elements[10][] contains all sub-elements whose parent is 10.
mp-wp_genesis        1017 		 */
mp-wp_genesis        1018 		$top_level_elements = array();
mp-wp_genesis        1019 		$children_elements  = array();
mp-wp_genesis        1020 		foreach ( $elements as $e) {
mp-wp_genesis        1021 			if ( 0 == $e->$parent_field )
mp-wp_genesis        1022 				$top_level_elements[] = $e;
mp-wp_genesis        1023 			else
mp-wp_genesis        1024 				$children_elements[ $e->$parent_field ][] = $e;
mp-wp_genesis        1025 		}
mp-wp_genesis        1026 
mp-wp_genesis        1027 		$total_top = count( $top_level_elements );
mp-wp_genesis        1028 		if ( $paging )
mp-wp_genesis        1029 			$this->max_pages = ceil($total_top / $per_page);
mp-wp_genesis        1030 		else
mp-wp_genesis        1031 			$end = $total_top;
mp-wp_genesis        1032 
mp-wp_genesis        1033 		if ( !empty($args[0]['reverse_top_level']) ) {
mp-wp_genesis        1034 			$top_level_elements = array_reverse( $top_level_elements );
mp-wp_genesis        1035 			$oldstart = $start;
mp-wp_genesis        1036 			$start = $total_top - $end;
mp-wp_genesis        1037 			$end = $total_top - $oldstart;
mp-wp_genesis        1038 		}
mp-wp_genesis        1039 		if ( !empty($args[0]['reverse_children']) ) {
mp-wp_genesis        1040 			foreach ( $children_elements as $parent => $children )
mp-wp_genesis        1041 				$children_elements[$parent] = array_reverse( $children );
mp-wp_genesis        1042 		}
mp-wp_genesis        1043 
mp-wp_genesis        1044 		foreach ( $top_level_elements as $e ) {
mp-wp_genesis        1045 			$count++;
mp-wp_genesis        1046 
mp-wp_genesis        1047 			//for the last page, need to unset earlier children in order to keep track of orphans
mp-wp_genesis        1048 			if ( $end >= $total_top && $count < $start )
mp-wp_genesis        1049 					$this->unset_children( $e, $children_elements );
mp-wp_genesis        1050 
mp-wp_genesis        1051 			if ( $count < $start )
mp-wp_genesis        1052 				continue;
mp-wp_genesis        1053 
mp-wp_genesis        1054 			if ( $count >= $end )
mp-wp_genesis        1055 				break;
mp-wp_genesis        1056 
mp-wp_genesis        1057 			$this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
mp-wp_genesis        1058 		}
mp-wp_genesis        1059 
mp-wp_genesis        1060 		if ( $end >= $total_top && count( $children_elements ) > 0 ) {
mp-wp_genesis        1061 			$empty_array = array();
mp-wp_genesis        1062 			foreach ( $children_elements as $orphans )
mp-wp_genesis        1063 				foreach( $orphans as $op )
mp-wp_genesis        1064 					$this->display_element( $op, $empty_array, 1, 0, $args, $output );
mp-wp_genesis        1065 		}
mp-wp_genesis        1066 
mp-wp_genesis        1067 		return $output;
mp-wp_genesis        1068 	}
mp-wp_genesis        1069 
mp-wp_genesis        1070 	function get_number_of_root_elements( $elements ){
mp-wp_genesis        1071 
mp-wp_genesis        1072 		$num = 0;
mp-wp_genesis        1073 		$parent_field = $this->db_fields['parent'];
mp-wp_genesis        1074 
mp-wp_genesis        1075 		foreach ( $elements as $e) {
mp-wp_genesis        1076 			if ( 0 == $e->$parent_field )
mp-wp_genesis        1077 				$num++;
mp-wp_genesis        1078 		}
mp-wp_genesis        1079 		return $num;
mp-wp_genesis        1080 	}
mp-wp_genesis        1081 
mp-wp_genesis        1082 	// unset all the children for a given top level element
mp-wp_genesis        1083 	function unset_children( $e, &$children_elements ){
mp-wp_genesis        1084 
mp-wp_genesis        1085 		if ( !$e || !$children_elements )
mp-wp_genesis        1086 			return;
mp-wp_genesis        1087 
mp-wp_genesis        1088 		$id_field = $this->db_fields['id'];
mp-wp_genesis        1089 		$id = $e->$id_field;
mp-wp_genesis        1090 
mp-wp_genesis        1091 		if ( !empty($children_elements[$id]) && is_array($children_elements[$id]) )
mp-wp_genesis        1092 			foreach ( (array) $children_elements[$id] as $child )
mp-wp_genesis        1093 				$this->unset_children( $child, $children_elements );
mp-wp_genesis        1094 
mp-wp_genesis        1095 		if ( isset($children_elements[$id]) )
mp-wp_genesis        1096 			unset( $children_elements[$id] );
mp-wp_genesis        1097 
mp-wp_genesis        1098 	}
mp-wp_genesis        1099 }
mp-wp_genesis        1100 
mp-wp_genesis        1101 /**
mp-wp_genesis        1102  * Create HTML list of pages.
mp-wp_genesis        1103  *
mp-wp_genesis        1104  * @package WordPress
mp-wp_genesis        1105  * @since 2.1.0
mp-wp_genesis        1106  * @uses Walker
mp-wp_genesis        1107  */
mp-wp_genesis        1108 class Walker_Page extends Walker {
mp-wp_genesis        1109 	/**
mp-wp_genesis        1110 	 * @see Walker::$tree_type
mp-wp_genesis        1111 	 * @since 2.1.0
mp-wp_genesis        1112 	 * @var string
mp-wp_genesis        1113 	 */
mp-wp_genesis        1114 	var $tree_type = 'page';
mp-wp_genesis        1115 
mp-wp_genesis        1116 	/**
mp-wp_genesis        1117 	 * @see Walker::$db_fields
mp-wp_genesis        1118 	 * @since 2.1.0
mp-wp_genesis        1119 	 * @todo Decouple this.
mp-wp_genesis        1120 	 * @var array
mp-wp_genesis        1121 	 */
mp-wp_genesis        1122 	var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID');
mp-wp_genesis        1123 
mp-wp_genesis        1124 	/**
mp-wp_genesis        1125 	 * @see Walker::start_lvl()
mp-wp_genesis        1126 	 * @since 2.1.0
mp-wp_genesis        1127 	 *
mp-wp_genesis        1128 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis        1129 	 * @param int $depth Depth of page. Used for padding.
mp-wp_genesis        1130 	 */
mp-wp_genesis        1131 	function start_lvl(&$output, $depth) {
mp-wp_genesis        1132 		$indent = str_repeat("\t", $depth);
mp-wp_genesis        1133 		$output .= "\n$indent<ul>\n";
mp-wp_genesis        1134 	}
mp-wp_genesis        1135 
mp-wp_genesis        1136 	/**
mp-wp_genesis        1137 	 * @see Walker::end_lvl()
mp-wp_genesis        1138 	 * @since 2.1.0
mp-wp_genesis        1139 	 *
mp-wp_genesis        1140 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis        1141 	 * @param int $depth Depth of page. Used for padding.
mp-wp_genesis        1142 	 */
mp-wp_genesis        1143 	function end_lvl(&$output, $depth) {
mp-wp_genesis        1144 		$indent = str_repeat("\t", $depth);
mp-wp_genesis        1145 		$output .= "$indent</ul>\n";
mp-wp_genesis        1146 	}
mp-wp_genesis        1147 
mp-wp_genesis        1148 	/**
mp-wp_genesis        1149 	 * @see Walker::start_el()
mp-wp_genesis        1150 	 * @since 2.1.0
mp-wp_genesis        1151 	 *
mp-wp_genesis        1152 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis        1153 	 * @param object $page Page data object.
mp-wp_genesis        1154 	 * @param int $depth Depth of page. Used for padding.
mp-wp_genesis        1155 	 * @param int $current_page Page ID.
mp-wp_genesis        1156 	 * @param array $args
mp-wp_genesis        1157 	 */
mp-wp_genesis        1158 	function start_el(&$output, $page, $depth, $args, $current_page) {
mp-wp_genesis        1159 		if ( $depth )
mp-wp_genesis        1160 			$indent = str_repeat("\t", $depth);
mp-wp_genesis        1161 		else
mp-wp_genesis        1162 			$indent = '';
mp-wp_genesis        1163 
mp-wp_genesis        1164 		extract($args, EXTR_SKIP);
mp-wp_genesis        1165 		$css_class = 'page_item page-item-'.$page->ID;
mp-wp_genesis        1166 		if ( !empty($current_page) ) {
mp-wp_genesis        1167 			$_current_page = get_page( $current_page );
mp-wp_genesis        1168 			if ( isset($_current_page->ancestors) && in_array($page->ID, (array) $_current_page->ancestors) )
mp-wp_genesis        1169 				$css_class .= ' current_page_ancestor';
mp-wp_genesis        1170 			if ( $page->ID == $current_page )
mp-wp_genesis        1171 				$css_class .= ' current_page_item';
mp-wp_genesis        1172 			elseif ( $_current_page && $page->ID == $_current_page->post_parent )
mp-wp_genesis        1173 				$css_class .= ' current_page_parent';
mp-wp_genesis        1174 		} elseif ( $page->ID == get_option('page_for_posts') ) {
mp-wp_genesis        1175 			$css_class .= ' current_page_parent';
mp-wp_genesis        1176 		}
mp-wp_genesis        1177 
mp-wp_genesis        1178 		$output .= $indent . '<li class="' . $css_class . '"><a href="' . get_page_link($page->ID) . '" title="' . attribute_escape(apply_filters('the_title', $page->post_title)) . '">' . $link_before . apply_filters('the_title', $page->post_title) . $link_after . '</a>';
mp-wp_genesis        1179 
mp-wp_genesis        1180 		if ( !empty($show_date) ) {
mp-wp_genesis        1181 			if ( 'modified' == $show_date )
mp-wp_genesis        1182 				$time = $page->post_modified;
mp-wp_genesis        1183 			else
mp-wp_genesis        1184 				$time = $page->post_date;
mp-wp_genesis        1185 
mp-wp_genesis        1186 			$output .= " " . mysql2date($date_format, $time);
mp-wp_genesis        1187 		}
mp-wp_genesis        1188 	}
mp-wp_genesis        1189 
mp-wp_genesis        1190 	/**
mp-wp_genesis        1191 	 * @see Walker::end_el()
mp-wp_genesis        1192 	 * @since 2.1.0
mp-wp_genesis        1193 	 *
mp-wp_genesis        1194 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis        1195 	 * @param object $page Page data object. Not used.
mp-wp_genesis        1196 	 * @param int $depth Depth of page. Not Used.
mp-wp_genesis        1197 	 */
mp-wp_genesis        1198 	function end_el(&$output, $page, $depth, $args) {
mp-wp_genesis        1199 		$output .= "</li>\n";
mp-wp_genesis        1200 	}
mp-wp_genesis        1201 
mp-wp_genesis        1202 }
mp-wp_genesis        1203 
mp-wp_genesis        1204 /**
mp-wp_genesis        1205  * Create HTML dropdown list of pages.
mp-wp_genesis        1206  *
mp-wp_genesis        1207  * @package WordPress
mp-wp_genesis        1208  * @since 2.1.0
mp-wp_genesis        1209  * @uses Walker
mp-wp_genesis        1210  */
mp-wp_genesis        1211 class Walker_PageDropdown extends Walker {
mp-wp_genesis        1212 	/**
mp-wp_genesis        1213 	 * @see Walker::$tree_type
mp-wp_genesis        1214 	 * @since 2.1.0
mp-wp_genesis        1215 	 * @var string
mp-wp_genesis        1216 	 */
mp-wp_genesis        1217 	var $tree_type = 'page';
mp-wp_genesis        1218 
mp-wp_genesis        1219 	/**
mp-wp_genesis        1220 	 * @see Walker::$db_fields
mp-wp_genesis        1221 	 * @since 2.1.0
mp-wp_genesis        1222 	 * @todo Decouple this
mp-wp_genesis        1223 	 * @var array
mp-wp_genesis        1224 	 */
mp-wp_genesis        1225 	var $db_fields = array ('parent' => 'post_parent', 'id' => 'ID');
mp-wp_genesis        1226 
mp-wp_genesis        1227 	/**
mp-wp_genesis        1228 	 * @see Walker::start_el()
mp-wp_genesis        1229 	 * @since 2.1.0
mp-wp_genesis        1230 	 *
mp-wp_genesis        1231 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis        1232 	 * @param object $page Page data object.
mp-wp_genesis        1233 	 * @param int $depth Depth of page in reference to parent pages. Used for padding.
mp-wp_genesis        1234 	 * @param array $args Uses 'selected' argument for selected page to set selected HTML attribute for option element.
mp-wp_genesis        1235 	 */
mp-wp_genesis        1236 	function start_el(&$output, $page, $depth, $args) {
mp-wp_genesis        1237 		$pad = str_repeat(' ', $depth * 3);
mp-wp_genesis        1238 
mp-wp_genesis        1239 		$output .= "\t<option class=\"level-$depth\" value=\"$page->ID\"";
mp-wp_genesis        1240 		if ( $page->ID == $args['selected'] )
mp-wp_genesis        1241 			$output .= ' selected="selected"';
mp-wp_genesis        1242 		$output .= '>';
mp-wp_genesis        1243 		$title = wp_specialchars($page->post_title);
mp-wp_genesis        1244 		$output .= "$pad$title";
mp-wp_genesis        1245 		$output .= "</option>\n";
mp-wp_genesis        1246 	}
mp-wp_genesis        1247 }
mp-wp_genesis        1248 
mp-wp_genesis        1249 /**
mp-wp_genesis        1250  * Create HTML list of categories.
mp-wp_genesis        1251  *
mp-wp_genesis        1252  * @package WordPress
mp-wp_genesis        1253  * @since 2.1.0
mp-wp_genesis        1254  * @uses Walker
mp-wp_genesis        1255  */
mp-wp_genesis        1256 class Walker_Category extends Walker {
mp-wp_genesis        1257 	/**
mp-wp_genesis        1258 	 * @see Walker::$tree_type
mp-wp_genesis        1259 	 * @since 2.1.0
mp-wp_genesis        1260 	 * @var string
mp-wp_genesis        1261 	 */
mp-wp_genesis        1262 	var $tree_type = 'category';
mp-wp_genesis        1263 
mp-wp_genesis        1264 	/**
mp-wp_genesis        1265 	 * @see Walker::$db_fields
mp-wp_genesis        1266 	 * @since 2.1.0
mp-wp_genesis        1267 	 * @todo Decouple this
mp-wp_genesis        1268 	 * @var array
mp-wp_genesis        1269 	 */
mp-wp_genesis        1270 	var $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
mp-wp_genesis        1271 
mp-wp_genesis        1272 	/**
mp-wp_genesis        1273 	 * @see Walker::start_lvl()
mp-wp_genesis        1274 	 * @since 2.1.0
mp-wp_genesis        1275 	 *
mp-wp_genesis        1276 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis        1277 	 * @param int $depth Depth of category. Used for tab indentation.
mp-wp_genesis        1278 	 * @param array $args Will only append content if style argument value is 'list'.
mp-wp_genesis        1279 	 */
mp-wp_genesis        1280 	function start_lvl(&$output, $depth, $args) {
mp-wp_genesis        1281 		if ( 'list' != $args['style'] )
mp-wp_genesis        1282 			return;
mp-wp_genesis        1283 
mp-wp_genesis        1284 		$indent = str_repeat("\t", $depth);
mp-wp_genesis        1285 		$output .= "$indent<ul class='children'>\n";
mp-wp_genesis        1286 	}
mp-wp_genesis        1287 
mp-wp_genesis        1288 	/**
mp-wp_genesis        1289 	 * @see Walker::end_lvl()
mp-wp_genesis        1290 	 * @since 2.1.0
mp-wp_genesis        1291 	 *
mp-wp_genesis        1292 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis        1293 	 * @param int $depth Depth of category. Used for tab indentation.
mp-wp_genesis        1294 	 * @param array $args Will only append content if style argument value is 'list'.
mp-wp_genesis        1295 	 */
mp-wp_genesis        1296 	function end_lvl(&$output, $depth, $args) {
mp-wp_genesis        1297 		if ( 'list' != $args['style'] )
mp-wp_genesis        1298 			return;
mp-wp_genesis        1299 
mp-wp_genesis        1300 		$indent = str_repeat("\t", $depth);
mp-wp_genesis        1301 		$output .= "$indent</ul>\n";
mp-wp_genesis        1302 	}
mp-wp_genesis        1303 
mp-wp_genesis        1304 	/**
mp-wp_genesis        1305 	 * @see Walker::start_el()
mp-wp_genesis        1306 	 * @since 2.1.0
mp-wp_genesis        1307 	 *
mp-wp_genesis        1308 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis        1309 	 * @param object $category Category data object.
mp-wp_genesis        1310 	 * @param int $depth Depth of category in reference to parents.
mp-wp_genesis        1311 	 * @param array $args
mp-wp_genesis        1312 	 */
mp-wp_genesis        1313 	function start_el(&$output, $category, $depth, $args) {
mp-wp_genesis        1314 		extract($args);
mp-wp_genesis        1315 
mp-wp_genesis        1316 		$cat_name = attribute_escape( $category->name);
mp-wp_genesis        1317 		$cat_name = apply_filters( 'list_cats', $cat_name, $category );
mp-wp_genesis        1318 		$link = '<a href="' . get_category_link( $category->term_id ) . '" ';
mp-wp_genesis        1319 		if ( $use_desc_for_title == 0 || empty($category->description) )
mp-wp_genesis        1320 			$link .= 'title="' . sprintf(__( 'View all posts filed under %s' ), $cat_name) . '"';
mp-wp_genesis        1321 		else
mp-wp_genesis        1322 			$link .= 'title="' . attribute_escape( apply_filters( 'category_description', $category->description, $category )) . '"';
mp-wp_genesis        1323 		$link .= '>';
mp-wp_genesis        1324 		$link .= $cat_name . '</a>';
mp-wp_genesis        1325 
mp-wp_genesis        1326 		if ( (! empty($feed_image)) || (! empty($feed)) ) {
mp-wp_genesis        1327 			$link .= ' ';
mp-wp_genesis        1328 
mp-wp_genesis        1329 			if ( empty($feed_image) )
mp-wp_genesis        1330 				$link .= '(';
mp-wp_genesis        1331 
mp-wp_genesis        1332 			$link .= '<a href="' . get_category_feed_link($category->term_id, $feed_type) . '"';
mp-wp_genesis        1333 
mp-wp_genesis        1334 			if ( empty($feed) )
mp-wp_genesis        1335 				$alt = ' alt="' . sprintf(__( 'Feed for all posts filed under %s' ), $cat_name ) . '"';
mp-wp_genesis        1336 			else {
mp-wp_genesis        1337 				$title = ' title="' . $feed . '"';
mp-wp_genesis        1338 				$alt = ' alt="' . $feed . '"';
mp-wp_genesis        1339 				$name = $feed;
mp-wp_genesis        1340 				$link .= $title;
mp-wp_genesis        1341 			}
mp-wp_genesis        1342 
mp-wp_genesis        1343 			$link .= '>';
mp-wp_genesis        1344 
mp-wp_genesis        1345 			if ( empty($feed_image) )
mp-wp_genesis        1346 				$link .= $name;
mp-wp_genesis        1347 			else
mp-wp_genesis        1348 				$link .= "<img src='$feed_image'$alt$title" . ' />';
mp-wp_genesis        1349 			$link .= '</a>';
mp-wp_genesis        1350 			if ( empty($feed_image) )
mp-wp_genesis        1351 				$link .= ')';
mp-wp_genesis        1352 		}
mp-wp_genesis        1353 
mp-wp_genesis        1354 		if ( isset($show_count) && $show_count )
mp-wp_genesis        1355 			$link .= ' (' . intval($category->count) . ')';
mp-wp_genesis        1356 
mp-wp_genesis        1357 		if ( isset($show_date) && $show_date ) {
mp-wp_genesis        1358 			$link .= ' ' . gmdate('Y-m-d', $category->last_update_timestamp);
mp-wp_genesis        1359 		}
mp-wp_genesis        1360 
mp-wp_genesis        1361 		if ( isset($current_category) && $current_category )
mp-wp_genesis        1362 			$_current_category = get_category( $current_category );
mp-wp_genesis        1363 
mp-wp_genesis        1364 		if ( 'list' == $args['style'] ) {
mp-wp_genesis        1365 			$output .= "\t<li";
mp-wp_genesis        1366 			$class = 'cat-item cat-item-'.$category->term_id;
mp-wp_genesis        1367 			if ( isset($current_category) && $current_category && ($category->term_id == $current_category) )
mp-wp_genesis        1368 				$class .=  ' current-cat';
mp-wp_genesis        1369 			elseif ( isset($_current_category) && $_current_category && ($category->term_id == $_current_category->parent) )
mp-wp_genesis        1370 				$class .=  ' current-cat-parent';
mp-wp_genesis        1371 			$output .=  ' class="'.$class.'"';
mp-wp_genesis        1372 			$output .= ">$link\n";
mp-wp_genesis        1373 		} else {
mp-wp_genesis        1374 			$output .= "\t$link<br />\n";
mp-wp_genesis        1375 		}
mp-wp_genesis        1376 	}
mp-wp_genesis        1377 
mp-wp_genesis        1378 	/**
mp-wp_genesis        1379 	 * @see Walker::end_el()
mp-wp_genesis        1380 	 * @since 2.1.0
mp-wp_genesis        1381 	 *
mp-wp_genesis        1382 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis        1383 	 * @param object $page Not used.
mp-wp_genesis        1384 	 * @param int $depth Depth of category. Not used.
mp-wp_genesis        1385 	 * @param array $args Only uses 'list' for whether should append to output.
mp-wp_genesis        1386 	 */
mp-wp_genesis        1387 	function end_el(&$output, $page, $depth, $args) {
mp-wp_genesis        1388 		if ( 'list' != $args['style'] )
mp-wp_genesis        1389 			return;
mp-wp_genesis        1390 
mp-wp_genesis        1391 		$output .= "</li>\n";
mp-wp_genesis        1392 	}
mp-wp_genesis        1393 
mp-wp_genesis        1394 }
mp-wp_genesis        1395 
mp-wp_genesis        1396 /**
mp-wp_genesis        1397  * Create HTML dropdown list of Categories.
mp-wp_genesis        1398  *
mp-wp_genesis        1399  * @package WordPress
mp-wp_genesis        1400  * @since 2.1.0
mp-wp_genesis        1401  * @uses Walker
mp-wp_genesis        1402  */
mp-wp_genesis        1403 class Walker_CategoryDropdown extends Walker {
mp-wp_genesis        1404 	/**
mp-wp_genesis        1405 	 * @see Walker::$tree_type
mp-wp_genesis        1406 	 * @since 2.1.0
mp-wp_genesis        1407 	 * @var string
mp-wp_genesis        1408 	 */
mp-wp_genesis        1409 	var $tree_type = 'category';
mp-wp_genesis        1410 
mp-wp_genesis        1411 	/**
mp-wp_genesis        1412 	 * @see Walker::$db_fields
mp-wp_genesis        1413 	 * @since 2.1.0
mp-wp_genesis        1414 	 * @todo Decouple this
mp-wp_genesis        1415 	 * @var array
mp-wp_genesis        1416 	 */
mp-wp_genesis        1417 	var $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
mp-wp_genesis        1418 
mp-wp_genesis        1419 	/**
mp-wp_genesis        1420 	 * @see Walker::start_el()
mp-wp_genesis        1421 	 * @since 2.1.0
mp-wp_genesis        1422 	 *
mp-wp_genesis        1423 	 * @param string $output Passed by reference. Used to append additional content.
mp-wp_genesis        1424 	 * @param object $category Category data object.
mp-wp_genesis        1425 	 * @param int $depth Depth of category. Used for padding.
mp-wp_genesis        1426 	 * @param array $args Uses 'selected', 'show_count', and 'show_last_update' keys, if they exist.
mp-wp_genesis        1427 	 */
mp-wp_genesis        1428 	function start_el(&$output, $category, $depth, $args) {
mp-wp_genesis        1429 		$pad = str_repeat(' ', $depth * 3);
mp-wp_genesis        1430 
mp-wp_genesis        1431 		$cat_name = apply_filters('list_cats', $category->name, $category);
mp-wp_genesis        1432 		$output .= "\t<option class=\"level-$depth\" value=\"".$category->term_id."\"";
mp-wp_genesis        1433 		if ( $category->term_id == $args['selected'] )
mp-wp_genesis        1434 			$output .= ' selected="selected"';
mp-wp_genesis        1435 		$output .= '>';
mp-wp_genesis        1436 		$output .= $pad.$cat_name;
mp-wp_genesis        1437 		if ( $args['show_count'] )
mp-wp_genesis        1438 			$output .= '  ('. $category->count .')';
mp-wp_genesis        1439 		if ( $args['show_last_update'] ) {
mp-wp_genesis        1440 			$format = 'Y-m-d';
mp-wp_genesis        1441 			$output .= '  ' . gmdate($format, $category->last_update_timestamp);
mp-wp_genesis        1442 		}
mp-wp_genesis        1443 		$output .= "</option>\n";
mp-wp_genesis        1444 	}
mp-wp_genesis        1445 }
mp-wp_genesis        1446 
mp-wp_genesis        1447 ?>