2000 lines
		
	
	
		
			59 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			2000 lines
		
	
	
		
			59 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
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								<?php
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								/**
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								 * WordPress Rewrite API
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								 *
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								 * @package WordPress
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								 * @subpackage Rewrite
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								 */
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								/**
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								 * Add a straight rewrite rule.
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								 *
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								 * @see WP_Rewrite::add_rule() for long description.
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								 * @since 2.1.0
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								 *
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								 * @param string $regex Regular Expression to match request against.
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								 * @param string $redirect Page to redirect to.
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								 * @param string $after Optional, default is 'bottom'. Where to add rule, can also be 'top'.
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								 */
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								function add_rewrite_rule($regex, $redirect, $after = 'bottom') {
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									global $wp_rewrite;
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									$wp_rewrite->add_rule($regex, $redirect, $after);
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								}
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								/**
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								 * Add a new rewrite tag (like %postname%).
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								 *
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								 * The $query parameter is optional. If it is omitted you must ensure that
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								 * you call this on, or before, the 'init' hook. This is because $query defaults
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								 * to "$tag=", and for this to work a new query var has to be added.
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								 *
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								 * @see WP_Rewrite::add_rewrite_tag()
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								 * @since 2.1.0
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								 *
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								 * @param string $tag Name of the new rewrite tag.
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								 * @param string $regex Regular expression to substitute the tag for in rewrite rules.
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								 * @param string $query String to append to the rewritten query. Must end in '='. Optional.
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								 */
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								function add_rewrite_tag( $tag, $regex, $query = '' ) {
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									// validate the tag's name
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									if ( strlen( $tag ) < 3 || $tag[0] != '%' || $tag[ strlen($tag) - 1 ] != '%' )
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										return;
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									global $wp_rewrite, $wp;
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									if ( empty( $query ) ) {
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										$qv = trim( $tag, '%' );
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										$wp->add_query_var( $qv );
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										$query = $qv . '=';
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									}
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									$wp_rewrite->add_rewrite_tag( $tag, $regex, $query );
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								}
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								/**
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								 * Add permalink structure.
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								 *
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								 * @see WP_Rewrite::add_permastruct()
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								 * @since 3.0.0
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								 *
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								 * @param string $name Name for permalink structure.
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								 * @param string $struct Permalink structure.
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								 * @param array $args Optional configuration for building the rules from the permalink structure,
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								 *     see {@link WP_Rewrite::add_permastruct()} for full details.
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								 */
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								function add_permastruct( $name, $struct, $args = array() ) {
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									global $wp_rewrite;
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									// backwards compatibility for the old parameters: $with_front and $ep_mask
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									if ( ! is_array( $args ) )
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										$args = array( 'with_front' => $args );
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									if ( func_num_args() == 4 )
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										$args['ep_mask'] = func_get_arg( 3 );
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									return $wp_rewrite->add_permastruct( $name, $struct, $args );
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								}
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								/**
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								 * Add a new feed type like /atom1/.
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								 *
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								 * @since 2.1.0
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								 *
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								 * @param string $feedname
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								 * @param callback $function Callback to run on feed display.
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								 * @return string Feed action name.
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								 */
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								function add_feed($feedname, $function) {
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									global $wp_rewrite;
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									if ( ! in_array($feedname, $wp_rewrite->feeds) ) //override the file if it is
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										$wp_rewrite->feeds[] = $feedname;
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									$hook = 'do_feed_' . $feedname;
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									// Remove default function hook
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									remove_action($hook, $hook, 10, 1);
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									add_action($hook, $function, 10, 1);
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									return $hook;
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								}
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								/**
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								 * Remove rewrite rules and then recreate rewrite rules.
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								 *
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								 * @see WP_Rewrite::flush_rules()
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								 * @since 3.0.0
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								 *
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								 * @param bool $hard Whether to update .htaccess (hard flush) or just update
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								 * 	rewrite_rules transient (soft flush). Default is true (hard).
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								 */
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								function flush_rewrite_rules( $hard = true ) {
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									global $wp_rewrite;
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									$wp_rewrite->flush_rules( $hard );
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								}
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								/**
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								 * Endpoint Mask for default, which is nothing.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_NONE', 0);
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								/**
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								 * Endpoint Mask for Permalink.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_PERMALINK', 1);
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								/**
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								 * Endpoint Mask for Attachment.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_ATTACHMENT', 2);
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								/**
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								 * Endpoint Mask for date.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_DATE', 4);
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								/**
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								 * Endpoint Mask for year
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_YEAR', 8);
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								/**
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								 * Endpoint Mask for month.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_MONTH', 16);
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								/**
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								 * Endpoint Mask for day.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_DAY', 32);
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								/**
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								 * Endpoint Mask for root.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_ROOT', 64);
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								/**
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								 * Endpoint Mask for comments.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_COMMENTS', 128);
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								/**
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								 * Endpoint Mask for searches.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_SEARCH', 256);
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								/**
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								 * Endpoint Mask for categories.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_CATEGORIES', 512);
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								/**
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								 * Endpoint Mask for tags.
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								 *
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								 * @since 2.3.0
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								 */
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								define('EP_TAGS', 1024);
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								/**
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								 * Endpoint Mask for authors.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_AUTHORS', 2048);
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								/**
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								 * Endpoint Mask for pages.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_PAGES', 4096);
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								/**
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								 * Endpoint Mask for everything.
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								 *
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								 * @since 2.1.0
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								 */
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								define('EP_ALL', 8191);
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								/**
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								 * Add an endpoint, like /trackback/.
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								 *
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								 * Adding an endpoint creates extra rewrite rules for each of the matching
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								 * places specified by the provided bitmask. For example:
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								 *
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								 * <code>
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								 * add_rewrite_endpoint( 'json', EP_PERMALINK | EP_PAGES );
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								 * </code>
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								 *
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								 * will add a new rewrite rule ending with "json(/(.*))?/?$" for every permastruct
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								 * that describes a permalink (post) or page. This is rewritten to "json=$match"
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								 * where $match is the part of the URL matched by the endpoint regex (e.g. "foo" in
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								 * "<permalink>/json/foo/").
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								 *
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								 * A new query var with the same name as the endpoint will also be created.
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								 *
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								 * When specifying $places ensure that you are using the EP_* constants (or a
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								 * combination of them using the bitwise OR operator) as their values are not
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								 * guaranteed to remain static (especially EP_ALL).
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								 *
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								 * Be sure to flush the rewrite rules - flush_rewrite_rules() - when your plugin gets
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								 * activated and deactivated.
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								 *
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								 * @since 2.1.0
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								 * @see WP_Rewrite::add_endpoint()
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								 * @global object $wp_rewrite
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								 *
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								 * @param string $name Name of the endpoint.
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								 * @param int $places Endpoint mask describing the places the endpoint should be added.
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								 */
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								function add_rewrite_endpoint( $name, $places ) {
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									global $wp_rewrite;
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									$wp_rewrite->add_endpoint( $name, $places );
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								}
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								/**
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								 * Filter the URL base for taxonomies.
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								 *
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								 * To remove any manually prepended /index.php/.
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								 *
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								 * @access private
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								 * @since 2.6.0
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								 *
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								 * @param string $base The taxonomy base that we're going to filter
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								 * @return string
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								 */
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								function _wp_filter_taxonomy_base( $base ) {
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									if ( !empty( $base ) ) {
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										$base = preg_replace( '|^/index\.php/|', '', $base );
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										$base = trim( $base, '/' );
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									}
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									return $base;
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								}
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								/**
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								 * Examine a url and try to determine the post ID it represents.
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								 *
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								 * Checks are supposedly from the hosted site blog.
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								 *
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								 * @since 1.0.0
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								 *
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								 * @param string $url Permalink to check.
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								 * @return int Post ID, or 0 on failure.
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								 */
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| 
								 | 
							
								function url_to_postid($url) {
							 | 
						||
| 
								 | 
							
									global $wp_rewrite;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									$url = apply_filters('url_to_postid', $url);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// First, check to see if there is a 'p=N' or 'page_id=N' to match against
							 | 
						||
| 
								 | 
							
									if ( preg_match('#[?&](p|page_id|attachment_id)=(\d+)#', $url, $values) )	{
							 | 
						||
| 
								 | 
							
										$id = absint($values[2]);
							 | 
						||
| 
								 | 
							
										if ( $id )
							 | 
						||
| 
								 | 
							
											return $id;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Check to see if we are using rewrite rules
							 | 
						||
| 
								 | 
							
									$rewrite = $wp_rewrite->wp_rewrite_rules();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Not using rewrite rules, and 'p=N' and 'page_id=N' methods failed, so we're out of options
							 | 
						||
| 
								 | 
							
									if ( empty($rewrite) )
							 | 
						||
| 
								 | 
							
										return 0;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Get rid of the #anchor
							 | 
						||
| 
								 | 
							
									$url_split = explode('#', $url);
							 | 
						||
| 
								 | 
							
									$url = $url_split[0];
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Get rid of URL ?query=string
							 | 
						||
| 
								 | 
							
									$url_split = explode('?', $url);
							 | 
						||
| 
								 | 
							
									$url = $url_split[0];
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Add 'www.' if it is absent and should be there
							 | 
						||
| 
								 | 
							
									if ( false !== strpos(home_url(), '://www.') && false === strpos($url, '://www.') )
							 | 
						||
| 
								 | 
							
										$url = str_replace('://', '://www.', $url);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Strip 'www.' if it is present and shouldn't be
							 | 
						||
| 
								 | 
							
									if ( false === strpos(home_url(), '://www.') )
							 | 
						||
| 
								 | 
							
										$url = str_replace('://www.', '://', $url);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Strip 'index.php/' if we're not using path info permalinks
							 | 
						||
| 
								 | 
							
									if ( !$wp_rewrite->using_index_permalinks() )
							 | 
						||
| 
								 | 
							
										$url = str_replace('index.php/', '', $url);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									if ( false !== strpos($url, home_url()) ) {
							 | 
						||
| 
								 | 
							
										// Chop off http://domain.com
							 | 
						||
| 
								 | 
							
										$url = str_replace(home_url(), '', $url);
							 | 
						||
| 
								 | 
							
									} else {
							 | 
						||
| 
								 | 
							
										// Chop off /path/to/blog
							 | 
						||
| 
								 | 
							
										$home_path = parse_url(home_url());
							 | 
						||
| 
								 | 
							
										$home_path = isset( $home_path['path'] ) ? $home_path['path'] : '' ;
							 | 
						||
| 
								 | 
							
										$url = str_replace($home_path, '', $url);
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Trim leading and lagging slashes
							 | 
						||
| 
								 | 
							
									$url = trim($url, '/');
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									$request = $url;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Look for matches.
							 | 
						||
| 
								 | 
							
									$request_match = $request;
							 | 
						||
| 
								 | 
							
									foreach ( (array)$rewrite as $match => $query) {
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// If the requesting file is the anchor of the match, prepend it
							 | 
						||
| 
								 | 
							
										// to the path info.
							 | 
						||
| 
								 | 
							
										if ( !empty($url) && ($url != $request) && (strpos($match, $url) === 0) )
							 | 
						||
| 
								 | 
							
											$request_match = $url . '/' . $request;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( preg_match("!^$match!", $request_match, $matches) ) {
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											if ( $wp_rewrite->use_verbose_page_rules && preg_match( '/pagename=\$matches\[([0-9]+)\]/', $query, $varmatch ) ) {
							 | 
						||
| 
								 | 
							
												// this is a verbose page match, lets check to be sure about it
							 | 
						||
| 
								 | 
							
												if ( ! get_page_by_path( $matches[ $varmatch[1] ] ) )
							 | 
						||
| 
								 | 
							
													continue;
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											// Got a match.
							 | 
						||
| 
								 | 
							
											// Trim the query of everything up to the '?'.
							 | 
						||
| 
								 | 
							
											$query = preg_replace("!^.+\?!", '', $query);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											// Substitute the substring matches into the query.
							 | 
						||
| 
								 | 
							
											$query = addslashes(WP_MatchesMapRegex::apply($query, $matches));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											// Filter out non-public query vars
							 | 
						||
| 
								 | 
							
											global $wp;
							 | 
						||
| 
								 | 
							
											parse_str($query, $query_vars);
							 | 
						||
| 
								 | 
							
											$query = array();
							 | 
						||
| 
								 | 
							
											foreach ( (array) $query_vars as $key => $value ) {
							 | 
						||
| 
								 | 
							
												if ( in_array($key, $wp->public_query_vars) )
							 | 
						||
| 
								 | 
							
													$query[$key] = $value;
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											// Do the query
							 | 
						||
| 
								 | 
							
											$query = new WP_Query($query);
							 | 
						||
| 
								 | 
							
											if ( !empty($query->posts) && $query->is_singular )
							 | 
						||
| 
								 | 
							
												return $query->post->ID;
							 | 
						||
| 
								 | 
							
											else
							 | 
						||
| 
								 | 
							
												return 0;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
									return 0;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * WordPress Rewrite Component.
							 | 
						||
| 
								 | 
							
								 *
							 | 
						||
| 
								 | 
							
								 * The WordPress Rewrite class writes the rewrite module rules to the .htaccess
							 | 
						||
| 
								 | 
							
								 * file. It also handles parsing the request to get the correct setup for the
							 | 
						||
| 
								 | 
							
								 * WordPress Query class.
							 | 
						||
| 
								 | 
							
								 *
							 | 
						||
| 
								 | 
							
								 * The Rewrite along with WP class function as a front controller for WordPress.
							 | 
						||
| 
								 | 
							
								 * You can add rules to trigger your page view and processing using this
							 | 
						||
| 
								 | 
							
								 * component. The full functionality of a front controller does not exist,
							 | 
						||
| 
								 | 
							
								 * meaning you can't define how the template files load based on the rewrite
							 | 
						||
| 
								 | 
							
								 * rules.
							 | 
						||
| 
								 | 
							
								 *
							 | 
						||
| 
								 | 
							
								 * @since 1.5.0
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								class WP_Rewrite {
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Permalink structure for posts.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $permalink_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Whether to add trailing slashes.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.2.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var bool
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $use_trailing_slashes;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Base for the author permalink structure (example.com/$author_base/authorname).
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $author_base = 'author';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Permalink structure for author archives.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $author_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Permalink structure for date archives.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $date_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Permalink structure for pages.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $page_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Base of the search permalink structure (example.com/$search_base/query).
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $search_base = 'search';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Permalink structure for searches.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $search_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Comments permalink base.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $comments_base = 'comments';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Pagination permalink base.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 3.1.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $pagination_base = 'page';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Feed permalink base.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $feed_base = 'feed';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Comments feed permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $comments_feed_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Feed request permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $feed_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * The static portion of the post permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * If the permalink structure is "/archive/%post_id%" then the front
							 | 
						||
| 
								 | 
							
									 * is "/archive/". If the permalink structure is "/%year%/%postname%/"
							 | 
						||
| 
								 | 
							
									 * then the front is "/".
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @see WP_Rewrite::init()
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $front;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * The prefix for all permalink structures.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * If PATHINFO/index permalinks are in use then the root is the value of
							 | 
						||
| 
								 | 
							
									 * {@link WP_Rewrite::$index} with a trailing slash appended. Otherwise
							 | 
						||
| 
								 | 
							
									 * the root will be empty.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @see WP_Rewrite::init()
							 | 
						||
| 
								 | 
							
									 * @see WP_Rewrite::using_index_permalinks()
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $root = '';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * The name of the index file which is the entry point to all requests.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $index = 'index.php';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Variable name to use for regex matches in the rewritten query.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $matches = '';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Rewrite rules to match against the request to find the redirect or query.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $rules;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Additional rules added external to the rewrite class.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Those not generated by the class, see add_rewrite_rule().
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.1.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $extra_rules = array();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Additional rules that belong at the beginning to match first.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Those not generated by the class, see add_rewrite_rule().
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.3.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $extra_rules_top = array();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Rules that don't redirect to WordPress' index.php.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * These rules are written to the mod_rewrite portion of the .htaccess,
							 | 
						||
| 
								 | 
							
									 * and are added by {@link add_external_rule()}.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.1.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $non_wp_rules = array();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Extra permalink structures, e.g. categories, added by {@link add_permastruct()}.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.1.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $extra_permastructs = array();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Endpoints (like /trackback/) added by {@link add_rewrite_endpoint()}.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.1.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $endpoints;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Whether to write every mod_rewrite rule for WordPress into the .htaccess file.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * This is off by default, turning it on might print a lot of rewrite rules
							 | 
						||
| 
								 | 
							
									 * to the .htaccess file.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @see WP_Rewrite::mod_rewrite_rules()
							 | 
						||
| 
								 | 
							
									 * @since 2.0.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 * @var bool
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $use_verbose_rules = false;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Could post permalinks be confused with those of pages?
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * If the first rewrite tag in the post permalink structure is one that could
							 | 
						||
| 
								 | 
							
									 * also match a page name (e.g. %postname% or %author%) then this flag is
							 | 
						||
| 
								 | 
							
									 * set to true. Prior to WordPress 3.3 this flag indicated that every page
							 | 
						||
| 
								 | 
							
									 * would have a set of rules added to the top of the rewrite rules array.
							 | 
						||
| 
								 | 
							
									 * Now it tells {@link WP::parse_request()} to check if a URL matching the
							 | 
						||
| 
								 | 
							
									 * page permastruct is actually a page before accepting it.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @link http://core.trac.wordpress.org/ticket/16687
							 | 
						||
| 
								 | 
							
									 * @see WP_Rewrite::init()
							 | 
						||
| 
								 | 
							
									 * @since 2.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 * @var bool
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $use_verbose_page_rules = true;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Rewrite tags that can be used in permalink structures.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * These are translated into the regular expressions stored in
							 | 
						||
| 
								 | 
							
									 * {@link WP_Rewrite::$rewritereplace} and are rewritten to the
							 | 
						||
| 
								 | 
							
									 * query variables listed in {@link WP_Rewrite::$queryreplace}.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Additional tags can be added with {@link add_rewrite_tag()}.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $rewritecode = array(
							 | 
						||
| 
								 | 
							
										'%year%',
							 | 
						||
| 
								 | 
							
										'%monthnum%',
							 | 
						||
| 
								 | 
							
										'%day%',
							 | 
						||
| 
								 | 
							
										'%hour%',
							 | 
						||
| 
								 | 
							
										'%minute%',
							 | 
						||
| 
								 | 
							
										'%second%',
							 | 
						||
| 
								 | 
							
										'%postname%',
							 | 
						||
| 
								 | 
							
										'%post_id%',
							 | 
						||
| 
								 | 
							
										'%author%',
							 | 
						||
| 
								 | 
							
										'%pagename%',
							 | 
						||
| 
								 | 
							
										'%search%'
							 | 
						||
| 
								 | 
							
									);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Regular expressions to be substituted into rewrite rules in place
							 | 
						||
| 
								 | 
							
									 * of rewrite tags, see {@link WP_Rewrite::$rewritecode}.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $rewritereplace = array(
							 | 
						||
| 
								 | 
							
										'([0-9]{4})',
							 | 
						||
| 
								 | 
							
										'([0-9]{1,2})',
							 | 
						||
| 
								 | 
							
										'([0-9]{1,2})',
							 | 
						||
| 
								 | 
							
										'([0-9]{1,2})',
							 | 
						||
| 
								 | 
							
										'([0-9]{1,2})',
							 | 
						||
| 
								 | 
							
										'([0-9]{1,2})',
							 | 
						||
| 
								 | 
							
										'([^/]+)',
							 | 
						||
| 
								 | 
							
										'([0-9]+)',
							 | 
						||
| 
								 | 
							
										'([^/]+)',
							 | 
						||
| 
								 | 
							
										'([^/]+?)',
							 | 
						||
| 
								 | 
							
										'(.+)'
							 | 
						||
| 
								 | 
							
									);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Query variables that rewrite tags map to, see {@link WP_Rewrite::$rewritecode}.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $queryreplace = array(
							 | 
						||
| 
								 | 
							
										'year=',
							 | 
						||
| 
								 | 
							
										'monthnum=',
							 | 
						||
| 
								 | 
							
										'day=',
							 | 
						||
| 
								 | 
							
										'hour=',
							 | 
						||
| 
								 | 
							
										'minute=',
							 | 
						||
| 
								 | 
							
										'second=',
							 | 
						||
| 
								 | 
							
										'name=',
							 | 
						||
| 
								 | 
							
										'p=',
							 | 
						||
| 
								 | 
							
										'author_name=',
							 | 
						||
| 
								 | 
							
										'pagename=',
							 | 
						||
| 
								 | 
							
										's='
							 | 
						||
| 
								 | 
							
									);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Supported default feeds.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access private
							 | 
						||
| 
								 | 
							
									 * @var array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									var $feeds = array( 'feed', 'rdf', 'rss', 'rss2', 'atom' );
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Whether permalinks are being used.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * This can be either rewrite module or permalink in the HTTP query string.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return bool True, if permalinks are enabled.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function using_permalinks() {
							 | 
						||
| 
								 | 
							
										return ! empty($this->permalink_structure);
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Whether permalinks are being used and rewrite module is not enabled.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Means that permalink links are enabled and index.php is in the URL.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return bool
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function using_index_permalinks() {
							 | 
						||
| 
								 | 
							
										if ( empty($this->permalink_structure) )
							 | 
						||
| 
								 | 
							
											return false;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// If the index is not in the permalink, we're using mod_rewrite.
							 | 
						||
| 
								 | 
							
										if ( preg_match('#^/*' . $this->index . '#', $this->permalink_structure) )
							 | 
						||
| 
								 | 
							
											return true;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return false;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Whether permalinks are being used and rewrite module is enabled.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Using permalinks and index.php is not in the URL.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return bool
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function using_mod_rewrite_permalinks() {
							 | 
						||
| 
								 | 
							
										if ( $this->using_permalinks() && ! $this->using_index_permalinks() )
							 | 
						||
| 
								 | 
							
											return true;
							 | 
						||
| 
								 | 
							
										else
							 | 
						||
| 
								 | 
							
											return false;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Index for matches for usage in preg_*() functions.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The format of the string is, with empty matches property value, '$NUM'.
							 | 
						||
| 
								 | 
							
									 * The 'NUM' will be replaced with the value in the $number parameter. With
							 | 
						||
| 
								 | 
							
									 * the matches property not empty, the value of the returned string will
							 | 
						||
| 
								 | 
							
									 * contain that value of the matches property. The format then will be
							 | 
						||
| 
								 | 
							
									 * '$MATCHES[NUM]', with MATCHES as the value in the property and NUM the
							 | 
						||
| 
								 | 
							
									 * value of the $number parameter.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param int $number Index number.
							 | 
						||
| 
								 | 
							
									 * @return string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function preg_index($number) {
							 | 
						||
| 
								 | 
							
										$match_prefix = '$';
							 | 
						||
| 
								 | 
							
										$match_suffix = '';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( ! empty($this->matches) ) {
							 | 
						||
| 
								 | 
							
											$match_prefix = '$' . $this->matches . '[';
							 | 
						||
| 
								 | 
							
											$match_suffix = ']';
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return "$match_prefix$number$match_suffix";
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve all page and attachments for pages URIs.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The attachments are for those that have pages as parents and will be
							 | 
						||
| 
								 | 
							
									 * retrieved.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return array Array of page URIs as first element and attachment URIs as second element.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function page_uri_index() {
							 | 
						||
| 
								 | 
							
										global $wpdb;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										//get pages in order of hierarchy, i.e. children after parents
							 | 
						||
| 
								 | 
							
										$posts = get_page_hierarchy( $wpdb->get_results("SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'page' AND post_status != 'auto-draft'") );
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// If we have no pages get out quick
							 | 
						||
| 
								 | 
							
										if ( !$posts )
							 | 
						||
| 
								 | 
							
											return array( array(), array() );
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										//now reverse it, because we need parents after children for rewrite rules to work properly
							 | 
						||
| 
								 | 
							
										$posts = array_reverse($posts, true);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$page_uris = array();
							 | 
						||
| 
								 | 
							
										$page_attachment_uris = array();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										foreach ( $posts as $id => $post ) {
							 | 
						||
| 
								 | 
							
											// URL => page name
							 | 
						||
| 
								 | 
							
											$uri = get_page_uri($id);
							 | 
						||
| 
								 | 
							
											$attachments = $wpdb->get_results( $wpdb->prepare( "SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'attachment' AND post_parent = %d", $id ));
							 | 
						||
| 
								 | 
							
											if ( !empty($attachments) ) {
							 | 
						||
| 
								 | 
							
												foreach ( $attachments as $attachment ) {
							 | 
						||
| 
								 | 
							
													$attach_uri = get_page_uri($attachment->ID);
							 | 
						||
| 
								 | 
							
													$page_attachment_uris[$attach_uri] = $attachment->ID;
							 | 
						||
| 
								 | 
							
												}
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											$page_uris[$uri] = $id;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return array( $page_uris, $page_attachment_uris );
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve all of the rewrite rules for pages.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function page_rewrite_rules() {
							 | 
						||
| 
								 | 
							
										// the extra .? at the beginning prevents clashes with other regular expressions in the rules array
							 | 
						||
| 
								 | 
							
										$this->add_rewrite_tag( '%pagename%', '(.?.+?)', 'pagename=' );
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $this->generate_rewrite_rules( $this->get_page_permastruct(), EP_PAGES, true, true, false, false );
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve date permalink structure, with year, month, and day.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The permalink structure for the date, if not set already depends on the
							 | 
						||
| 
								 | 
							
									 * permalink structure. It can be one of three formats. The first is year,
							 | 
						||
| 
								 | 
							
									 * month, day; the second is day, month, year; and the last format is month,
							 | 
						||
| 
								 | 
							
									 * day, year. These are matched against the permalink structure for which
							 | 
						||
| 
								 | 
							
									 * one is used. If none matches, then the default will be used, which is
							 | 
						||
| 
								 | 
							
									 * year, month, day.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Prevents post ID and date permalinks from overlapping. In the case of
							 | 
						||
| 
								 | 
							
									 * post_id, the date permalink will be prepended with front permalink with
							 | 
						||
| 
								 | 
							
									 * 'date/' before the actual permalink to form the complete date permalink
							 | 
						||
| 
								 | 
							
									 * structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return bool|string False on no permalink structure. Date permalink structure.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_date_permastruct() {
							 | 
						||
| 
								 | 
							
										if ( isset($this->date_structure) )
							 | 
						||
| 
								 | 
							
											return $this->date_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( empty($this->permalink_structure) ) {
							 | 
						||
| 
								 | 
							
											$this->date_structure = '';
							 | 
						||
| 
								 | 
							
											return false;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// The date permalink must have year, month, and day separated by slashes.
							 | 
						||
| 
								 | 
							
										$endians = array('%year%/%monthnum%/%day%', '%day%/%monthnum%/%year%', '%monthnum%/%day%/%year%');
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$this->date_structure = '';
							 | 
						||
| 
								 | 
							
										$date_endian = '';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										foreach ( $endians as $endian ) {
							 | 
						||
| 
								 | 
							
											if ( false !== strpos($this->permalink_structure, $endian) ) {
							 | 
						||
| 
								 | 
							
												$date_endian= $endian;
							 | 
						||
| 
								 | 
							
												break;
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( empty($date_endian) )
							 | 
						||
| 
								 | 
							
											$date_endian = '%year%/%monthnum%/%day%';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Do not allow the date tags and %post_id% to overlap in the permalink
							 | 
						||
| 
								 | 
							
										// structure. If they do, move the date tags to $front/date/.
							 | 
						||
| 
								 | 
							
										$front = $this->front;
							 | 
						||
| 
								 | 
							
										preg_match_all('/%.+?%/', $this->permalink_structure, $tokens);
							 | 
						||
| 
								 | 
							
										$tok_index = 1;
							 | 
						||
| 
								 | 
							
										foreach ( (array) $tokens[0] as $token) {
							 | 
						||
| 
								 | 
							
											if ( '%post_id%' == $token && ($tok_index <= 3) ) {
							 | 
						||
| 
								 | 
							
												$front = $front . 'date/';
							 | 
						||
| 
								 | 
							
												break;
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
											$tok_index++;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$this->date_structure = $front . $date_endian;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $this->date_structure;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve the year permalink structure without month and day.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Gets the date permalink structure and strips out the month and day
							 | 
						||
| 
								 | 
							
									 * permalink structures.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return bool|string False on failure. Year structure on success.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_year_permastruct() {
							 | 
						||
| 
								 | 
							
										$structure = $this->get_date_permastruct();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( empty($structure) )
							 | 
						||
| 
								 | 
							
											return false;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$structure = str_replace('%monthnum%', '', $structure);
							 | 
						||
| 
								 | 
							
										$structure = str_replace('%day%', '', $structure);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$structure = preg_replace('#/+#', '/', $structure);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $structure;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve the month permalink structure without day and with year.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Gets the date permalink structure and strips out the day permalink
							 | 
						||
| 
								 | 
							
									 * structures. Keeps the year permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return bool|string False on failure. Year/Month structure on success.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_month_permastruct() {
							 | 
						||
| 
								 | 
							
										$structure = $this->get_date_permastruct();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( empty($structure) )
							 | 
						||
| 
								 | 
							
											return false;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$structure = str_replace('%day%', '', $structure);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$structure = preg_replace('#/+#', '/', $structure);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $structure;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve the day permalink structure with month and year.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Keeps date permalink structure with all year, month, and day.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return bool|string False on failure. Year/Month/Day structure on success.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_day_permastruct() {
							 | 
						||
| 
								 | 
							
										return $this->get_date_permastruct();
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve the permalink structure for categories.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * If the category_base property has no value, then the category structure
							 | 
						||
| 
								 | 
							
									 * will have the front property value, followed by 'category', and finally
							 | 
						||
| 
								 | 
							
									 * '%category%'. If it does, then the root property will be used, along with
							 | 
						||
| 
								 | 
							
									 * the category_base property value.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return bool|string False on failure. Category permalink structure.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_category_permastruct() {
							 | 
						||
| 
								 | 
							
										return $this->get_extra_permastruct('category');
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve the permalink structure for tags.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * If the tag_base property has no value, then the tag structure will have
							 | 
						||
| 
								 | 
							
									 * the front property value, followed by 'tag', and finally '%tag%'. If it
							 | 
						||
| 
								 | 
							
									 * does, then the root property will be used, along with the tag_base
							 | 
						||
| 
								 | 
							
									 * property value.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.3.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return bool|string False on failure. Tag permalink structure.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_tag_permastruct() {
							 | 
						||
| 
								 | 
							
										return $this->get_extra_permastruct('post_tag');
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve extra permalink structure by name.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param string $name Permalink structure name.
							 | 
						||
| 
								 | 
							
									 * @return string|bool False if not found. Permalink structure string.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_extra_permastruct($name) {
							 | 
						||
| 
								 | 
							
										if ( empty($this->permalink_structure) )
							 | 
						||
| 
								 | 
							
											return false;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( isset($this->extra_permastructs[$name]) )
							 | 
						||
| 
								 | 
							
											return $this->extra_permastructs[$name]['struct'];
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return false;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve the author permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The permalink structure is front property, author base, and finally
							 | 
						||
| 
								 | 
							
									 * '/%author%'. Will set the author_structure property and then return it
							 | 
						||
| 
								 | 
							
									 * without attempting to set the value again.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return string|bool False if not found. Permalink structure string.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_author_permastruct() {
							 | 
						||
| 
								 | 
							
										if ( isset($this->author_structure) )
							 | 
						||
| 
								 | 
							
											return $this->author_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( empty($this->permalink_structure) ) {
							 | 
						||
| 
								 | 
							
											$this->author_structure = '';
							 | 
						||
| 
								 | 
							
											return false;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$this->author_structure = $this->front . $this->author_base . '/%author%';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $this->author_structure;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve the search permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The permalink structure is root property, search base, and finally
							 | 
						||
| 
								 | 
							
									 * '/%search%'. Will set the search_structure property and then return it
							 | 
						||
| 
								 | 
							
									 * without attempting to set the value again.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return string|bool False if not found. Permalink structure string.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_search_permastruct() {
							 | 
						||
| 
								 | 
							
										if ( isset($this->search_structure) )
							 | 
						||
| 
								 | 
							
											return $this->search_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( empty($this->permalink_structure) ) {
							 | 
						||
| 
								 | 
							
											$this->search_structure = '';
							 | 
						||
| 
								 | 
							
											return false;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$this->search_structure = $this->root . $this->search_base . '/%search%';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $this->search_structure;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve the page permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The permalink structure is root property, and '%pagename%'. Will set the
							 | 
						||
| 
								 | 
							
									 * page_structure property and then return it without attempting to set the
							 | 
						||
| 
								 | 
							
									 * value again.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return string|bool False if not found. Permalink structure string.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_page_permastruct() {
							 | 
						||
| 
								 | 
							
										if ( isset($this->page_structure) )
							 | 
						||
| 
								 | 
							
											return $this->page_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if (empty($this->permalink_structure)) {
							 | 
						||
| 
								 | 
							
											$this->page_structure = '';
							 | 
						||
| 
								 | 
							
											return false;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$this->page_structure = $this->root . '%pagename%';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $this->page_structure;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve the feed permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The permalink structure is root property, feed base, and finally
							 | 
						||
| 
								 | 
							
									 * '/%feed%'. Will set the feed_structure property and then return it
							 | 
						||
| 
								 | 
							
									 * without attempting to set the value again.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return string|bool False if not found. Permalink structure string.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_feed_permastruct() {
							 | 
						||
| 
								 | 
							
										if ( isset($this->feed_structure) )
							 | 
						||
| 
								 | 
							
											return $this->feed_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( empty($this->permalink_structure) ) {
							 | 
						||
| 
								 | 
							
											$this->feed_structure = '';
							 | 
						||
| 
								 | 
							
											return false;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$this->feed_structure = $this->root . $this->feed_base . '/%feed%';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $this->feed_structure;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve the comment feed permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The permalink structure is root property, comment base property, feed
							 | 
						||
| 
								 | 
							
									 * base and finally '/%feed%'. Will set the comment_feed_structure property
							 | 
						||
| 
								 | 
							
									 * and then return it without attempting to set the value again.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return string|bool False if not found. Permalink structure string.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function get_comment_feed_permastruct() {
							 | 
						||
| 
								 | 
							
										if ( isset($this->comment_feed_structure) )
							 | 
						||
| 
								 | 
							
											return $this->comment_feed_structure;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if (empty($this->permalink_structure)) {
							 | 
						||
| 
								 | 
							
											$this->comment_feed_structure = '';
							 | 
						||
| 
								 | 
							
											return false;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$this->comment_feed_structure = $this->root . $this->comments_base . '/' . $this->feed_base . '/%feed%';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $this->comment_feed_structure;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Add or update existing rewrite tags (e.g. %postname%).
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * If the tag already exists, replace the existing pattern and query for
							 | 
						||
| 
								 | 
							
									 * that tag, otherwise add the new tag.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @see WP_Rewrite::$rewritecode
							 | 
						||
| 
								 | 
							
									 * @see WP_Rewrite::$rewritereplace
							 | 
						||
| 
								 | 
							
									 * @see WP_Rewrite::$queryreplace
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param string $tag Name of the rewrite tag to add or update.
							 | 
						||
| 
								 | 
							
									 * @param string $regex Regular expression to substitute the tag for in rewrite rules.
							 | 
						||
| 
								 | 
							
									 * @param string $query String to append to the rewritten query. Must end in '='.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function add_rewrite_tag( $tag, $regex, $query ) {
							 | 
						||
| 
								 | 
							
										$position = array_search( $tag, $this->rewritecode );
							 | 
						||
| 
								 | 
							
										if ( false !== $position && null !== $position ) {
							 | 
						||
| 
								 | 
							
											$this->rewritereplace[ $position ] = $regex;
							 | 
						||
| 
								 | 
							
											$this->queryreplace[ $position ] = $query;
							 | 
						||
| 
								 | 
							
										} else {
							 | 
						||
| 
								 | 
							
											$this->rewritecode[] = $tag;
							 | 
						||
| 
								 | 
							
											$this->rewritereplace[] = $regex;
							 | 
						||
| 
								 | 
							
											$this->queryreplace[] = $query;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Generate rewrite rules from a permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The main WP_Rewrite function for building the rewrite rule list. The
							 | 
						||
| 
								 | 
							
									 * contents of the function is a mix of black magic and regular expressions,
							 | 
						||
| 
								 | 
							
									 * so best just ignore the contents and move to the parameters.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param string $permalink_structure The permalink structure.
							 | 
						||
| 
								 | 
							
									 * @param int $ep_mask Endpoint mask defining what endpoints are added to the structure. Default is EP_NONE.
							 | 
						||
| 
								 | 
							
									 * @param bool $paged Should archive pagination rules be added for the structure? Default is true.
							 | 
						||
| 
								 | 
							
									 * @param bool $feed Should feed rewrite rules be added for the structure? Default is true.
							 | 
						||
| 
								 | 
							
									 * @param bool $forcomments Should the feed rules be a query for a comments feed? Default is false.
							 | 
						||
| 
								 | 
							
									 * @param bool $walk_dirs Should the 'directories' making up the structure be walked over and rewrite rules
							 | 
						||
| 
								 | 
							
									 *                        built for each in turn? Default is true.
							 | 
						||
| 
								 | 
							
									 * @param bool $endpoints Should endpoints be applied to the generated rewrite rules? Default is true.
							 | 
						||
| 
								 | 
							
									 * @return array Rewrite rule list.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function generate_rewrite_rules($permalink_structure, $ep_mask = EP_NONE, $paged = true, $feed = true, $forcomments = false, $walk_dirs = true, $endpoints = true) {
							 | 
						||
| 
								 | 
							
										//build a regex to match the feed section of URLs, something like (feed|atom|rss|rss2)/?
							 | 
						||
| 
								 | 
							
										$feedregex2 = '';
							 | 
						||
| 
								 | 
							
										foreach ( (array) $this->feeds as $feed_name)
							 | 
						||
| 
								 | 
							
											$feedregex2 .= $feed_name . '|';
							 | 
						||
| 
								 | 
							
										$feedregex2 = '(' . trim($feedregex2, '|') . ')/?$';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										//$feedregex is identical but with /feed/ added on as well, so URLs like <permalink>/feed/atom
							 | 
						||
| 
								 | 
							
										//and <permalink>/atom are both possible
							 | 
						||
| 
								 | 
							
										$feedregex = $this->feed_base . '/' . $feedregex2;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										//build a regex to match the trackback and page/xx parts of URLs
							 | 
						||
| 
								 | 
							
										$trackbackregex = 'trackback/?$';
							 | 
						||
| 
								 | 
							
										$pageregex = $this->pagination_base . '/?([0-9]{1,})/?$';
							 | 
						||
| 
								 | 
							
										$commentregex = 'comment-page-([0-9]{1,})/?$';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										//build up an array of endpoint regexes to append => queries to append
							 | 
						||
| 
								 | 
							
										if ( $endpoints ) {
							 | 
						||
| 
								 | 
							
											$ep_query_append = array ();
							 | 
						||
| 
								 | 
							
											foreach ( (array) $this->endpoints as $endpoint) {
							 | 
						||
| 
								 | 
							
												//match everything after the endpoint name, but allow for nothing to appear there
							 | 
						||
| 
								 | 
							
												$epmatch = $endpoint[1] . '(/(.*))?/?$';
							 | 
						||
| 
								 | 
							
												//this will be appended on to the rest of the query for each dir
							 | 
						||
| 
								 | 
							
												$epquery = '&' . $endpoint[1] . '=';
							 | 
						||
| 
								 | 
							
												$ep_query_append[$epmatch] = array ( $endpoint[0], $epquery );
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										//get everything up to the first rewrite tag
							 | 
						||
| 
								 | 
							
										$front = substr($permalink_structure, 0, strpos($permalink_structure, '%'));
							 | 
						||
| 
								 | 
							
										//build an array of the tags (note that said array ends up being in $tokens[0])
							 | 
						||
| 
								 | 
							
										preg_match_all('/%.+?%/', $permalink_structure, $tokens);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$num_tokens = count($tokens[0]);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$index = $this->index; //probably 'index.php'
							 | 
						||
| 
								 | 
							
										$feedindex = $index;
							 | 
						||
| 
								 | 
							
										$trackbackindex = $index;
							 | 
						||
| 
								 | 
							
										//build a list from the rewritecode and queryreplace arrays, that will look something like
							 | 
						||
| 
								 | 
							
										//tagname=$matches[i] where i is the current $i
							 | 
						||
| 
								 | 
							
										for ( $i = 0; $i < $num_tokens; ++$i ) {
							 | 
						||
| 
								 | 
							
											if ( 0 < $i )
							 | 
						||
| 
								 | 
							
												$queries[$i] = $queries[$i - 1] . '&';
							 | 
						||
| 
								 | 
							
											else
							 | 
						||
| 
								 | 
							
												$queries[$i] = '';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											$query_token = str_replace($this->rewritecode, $this->queryreplace, $tokens[0][$i]) . $this->preg_index($i+1);
							 | 
						||
| 
								 | 
							
											$queries[$i] .= $query_token;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										//get the structure, minus any cruft (stuff that isn't tags) at the front
							 | 
						||
| 
								 | 
							
										$structure = $permalink_structure;
							 | 
						||
| 
								 | 
							
										if ( $front != '/' )
							 | 
						||
| 
								 | 
							
											$structure = str_replace($front, '', $structure);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										//create a list of dirs to walk over, making rewrite rules for each level
							 | 
						||
| 
								 | 
							
										//so for example, a $structure of /%year%/%monthnum%/%postname% would create
							 | 
						||
| 
								 | 
							
										//rewrite rules for /%year%/, /%year%/%monthnum%/ and /%year%/%monthnum%/%postname%
							 | 
						||
| 
								 | 
							
										$structure = trim($structure, '/');
							 | 
						||
| 
								 | 
							
										$dirs = $walk_dirs ? explode('/', $structure) : array( $structure );
							 | 
						||
| 
								 | 
							
										$num_dirs = count($dirs);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										//strip slashes from the front of $front
							 | 
						||
| 
								 | 
							
										$front = preg_replace('|^/+|', '', $front);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										//the main workhorse loop
							 | 
						||
| 
								 | 
							
										$post_rewrite = array();
							 | 
						||
| 
								 | 
							
										$struct = $front;
							 | 
						||
| 
								 | 
							
										for ( $j = 0; $j < $num_dirs; ++$j ) {
							 | 
						||
| 
								 | 
							
											//get the struct for this dir, and trim slashes off the front
							 | 
						||
| 
								 | 
							
											$struct .= $dirs[$j] . '/'; //accumulate. see comment near explode('/', $structure) above
							 | 
						||
| 
								 | 
							
											$struct = ltrim($struct, '/');
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//replace tags with regexes
							 | 
						||
| 
								 | 
							
											$match = str_replace($this->rewritecode, $this->rewritereplace, $struct);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//make a list of tags, and store how many there are in $num_toks
							 | 
						||
| 
								 | 
							
											$num_toks = preg_match_all('/%.+?%/', $struct, $toks);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//get the 'tagname=$matches[i]'
							 | 
						||
| 
								 | 
							
											$query = ( isset($queries) && is_array($queries) && !empty($num_toks) ) ? $queries[$num_toks - 1] : '';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//set up $ep_mask_specific which is used to match more specific URL types
							 | 
						||
| 
								 | 
							
											switch ( $dirs[$j] ) {
							 | 
						||
| 
								 | 
							
												case '%year%':
							 | 
						||
| 
								 | 
							
													$ep_mask_specific = EP_YEAR;
							 | 
						||
| 
								 | 
							
													break;
							 | 
						||
| 
								 | 
							
												case '%monthnum%':
							 | 
						||
| 
								 | 
							
													$ep_mask_specific = EP_MONTH;
							 | 
						||
| 
								 | 
							
													break;
							 | 
						||
| 
								 | 
							
												case '%day%':
							 | 
						||
| 
								 | 
							
													$ep_mask_specific = EP_DAY;
							 | 
						||
| 
								 | 
							
													break;
							 | 
						||
| 
								 | 
							
												default:
							 | 
						||
| 
								 | 
							
													$ep_mask_specific = EP_NONE;
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//create query for /page/xx
							 | 
						||
| 
								 | 
							
											$pagematch = $match . $pageregex;
							 | 
						||
| 
								 | 
							
											$pagequery = $index . '?' . $query . '&paged=' . $this->preg_index($num_toks + 1);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//create query for /comment-page-xx
							 | 
						||
| 
								 | 
							
											$commentmatch = $match . $commentregex;
							 | 
						||
| 
								 | 
							
											$commentquery = $index . '?' . $query . '&cpage=' . $this->preg_index($num_toks + 1);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											if ( get_option('page_on_front') ) {
							 | 
						||
| 
								 | 
							
												//create query for Root /comment-page-xx
							 | 
						||
| 
								 | 
							
												$rootcommentmatch = $match . $commentregex;
							 | 
						||
| 
								 | 
							
												$rootcommentquery = $index . '?' . $query . '&page_id=' . get_option('page_on_front') . '&cpage=' . $this->preg_index($num_toks + 1);
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//create query for /feed/(feed|atom|rss|rss2|rdf)
							 | 
						||
| 
								 | 
							
											$feedmatch = $match . $feedregex;
							 | 
						||
| 
								 | 
							
											$feedquery = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//create query for /(feed|atom|rss|rss2|rdf) (see comment near creation of $feedregex)
							 | 
						||
| 
								 | 
							
											$feedmatch2 = $match . $feedregex2;
							 | 
						||
| 
								 | 
							
											$feedquery2 = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//if asked to, turn the feed queries into comment feed ones
							 | 
						||
| 
								 | 
							
											if ( $forcomments ) {
							 | 
						||
| 
								 | 
							
												$feedquery .= '&withcomments=1';
							 | 
						||
| 
								 | 
							
												$feedquery2 .= '&withcomments=1';
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//start creating the array of rewrites for this dir
							 | 
						||
| 
								 | 
							
											$rewrite = array();
							 | 
						||
| 
								 | 
							
											if ( $feed ) //...adding on /feed/ regexes => queries
							 | 
						||
| 
								 | 
							
												$rewrite = array($feedmatch => $feedquery, $feedmatch2 => $feedquery2);
							 | 
						||
| 
								 | 
							
											if ( $paged ) //...and /page/xx ones
							 | 
						||
| 
								 | 
							
												$rewrite = array_merge($rewrite, array($pagematch => $pagequery));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//only on pages with comments add ../comment-page-xx/
							 | 
						||
| 
								 | 
							
											if ( EP_PAGES & $ep_mask || EP_PERMALINK & $ep_mask )
							 | 
						||
| 
								 | 
							
												$rewrite = array_merge($rewrite, array($commentmatch => $commentquery));
							 | 
						||
| 
								 | 
							
											else if ( EP_ROOT & $ep_mask && get_option('page_on_front') )
							 | 
						||
| 
								 | 
							
												$rewrite = array_merge($rewrite, array($rootcommentmatch => $rootcommentquery));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//do endpoints
							 | 
						||
| 
								 | 
							
											if ( $endpoints ) {
							 | 
						||
| 
								 | 
							
												foreach ( (array) $ep_query_append as $regex => $ep) {
							 | 
						||
| 
								 | 
							
													//add the endpoints on if the mask fits
							 | 
						||
| 
								 | 
							
													if ( $ep[0] & $ep_mask || $ep[0] & $ep_mask_specific )
							 | 
						||
| 
								 | 
							
														$rewrite[$match . $regex] = $index . '?' . $query . $ep[1] . $this->preg_index($num_toks + 2);
							 | 
						||
| 
								 | 
							
												}
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											//if we've got some tags in this dir
							 | 
						||
| 
								 | 
							
											if ( $num_toks ) {
							 | 
						||
| 
								 | 
							
												$post = false;
							 | 
						||
| 
								 | 
							
												$page = false;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
												//check to see if this dir is permalink-level: i.e. the structure specifies an
							 | 
						||
| 
								 | 
							
												//individual post. Do this by checking it contains at least one of 1) post name,
							 | 
						||
| 
								 | 
							
												//2) post ID, 3) page name, 4) timestamp (year, month, day, hour, second and
							 | 
						||
| 
								 | 
							
												//minute all present). Set these flags now as we need them for the endpoints.
							 | 
						||
| 
								 | 
							
												if ( strpos($struct, '%postname%') !== false
							 | 
						||
| 
								 | 
							
														|| strpos($struct, '%post_id%') !== false
							 | 
						||
| 
								 | 
							
														|| strpos($struct, '%pagename%') !== false
							 | 
						||
| 
								 | 
							
														|| (strpos($struct, '%year%') !== false && strpos($struct, '%monthnum%') !== false && strpos($struct, '%day%') !== false && strpos($struct, '%hour%') !== false && strpos($struct, '%minute%') !== false && strpos($struct, '%second%') !== false)
							 | 
						||
| 
								 | 
							
														) {
							 | 
						||
| 
								 | 
							
													$post = true;
							 | 
						||
| 
								 | 
							
													if ( strpos($struct, '%pagename%') !== false )
							 | 
						||
| 
								 | 
							
														$page = true;
							 | 
						||
| 
								 | 
							
												}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
												if ( ! $post ) {
							 | 
						||
| 
								 | 
							
													// For custom post types, we need to add on endpoints as well.
							 | 
						||
| 
								 | 
							
													foreach ( get_post_types( array('_builtin' => false ) ) as $ptype ) {
							 | 
						||
| 
								 | 
							
														if ( strpos($struct, "%$ptype%") !== false ) {
							 | 
						||
| 
								 | 
							
															$post = true;
							 | 
						||
| 
								 | 
							
															$page = is_post_type_hierarchical( $ptype ); // This is for page style attachment url's
							 | 
						||
| 
								 | 
							
															break;
							 | 
						||
| 
								 | 
							
														}
							 | 
						||
| 
								 | 
							
													}
							 | 
						||
| 
								 | 
							
												}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
												//if we're creating rules for a permalink, do all the endpoints like attachments etc
							 | 
						||
| 
								 | 
							
												if ( $post ) {
							 | 
						||
| 
								 | 
							
													//create query and regex for trackback
							 | 
						||
| 
								 | 
							
													$trackbackmatch = $match . $trackbackregex;
							 | 
						||
| 
								 | 
							
													$trackbackquery = $trackbackindex . '?' . $query . '&tb=1';
							 | 
						||
| 
								 | 
							
													//trim slashes from the end of the regex for this dir
							 | 
						||
| 
								 | 
							
													$match = rtrim($match, '/');
							 | 
						||
| 
								 | 
							
													//get rid of brackets
							 | 
						||
| 
								 | 
							
													$submatchbase = str_replace( array('(', ')'), '', $match);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
													//add a rule for at attachments, which take the form of <permalink>/some-text
							 | 
						||
| 
								 | 
							
													$sub1 = $submatchbase . '/([^/]+)/';
							 | 
						||
| 
								 | 
							
													$sub1tb = $sub1 . $trackbackregex; //add trackback regex <permalink>/trackback/...
							 | 
						||
| 
								 | 
							
													$sub1feed = $sub1 . $feedregex; //and <permalink>/feed/(atom|...)
							 | 
						||
| 
								 | 
							
													$sub1feed2 = $sub1 . $feedregex2; //and <permalink>/(feed|atom...)
							 | 
						||
| 
								 | 
							
													$sub1comment = $sub1 . $commentregex; //and <permalink>/comment-page-xx
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
													//add another rule to match attachments in the explicit form:
							 | 
						||
| 
								 | 
							
													//<permalink>/attachment/some-text
							 | 
						||
| 
								 | 
							
													$sub2 = $submatchbase . '/attachment/([^/]+)/';
							 | 
						||
| 
								 | 
							
													$sub2tb = $sub2 . $trackbackregex; //and add trackbacks <permalink>/attachment/trackback
							 | 
						||
| 
								 | 
							
													$sub2feed = $sub2 . $feedregex;    //feeds, <permalink>/attachment/feed/(atom|...)
							 | 
						||
| 
								 | 
							
													$sub2feed2 = $sub2 . $feedregex2;  //and feeds again on to this <permalink>/attachment/(feed|atom...)
							 | 
						||
| 
								 | 
							
													$sub2comment = $sub2 . $commentregex; //and <permalink>/comment-page-xx
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
													//create queries for these extra tag-ons we've just dealt with
							 | 
						||
| 
								 | 
							
													$subquery = $index . '?attachment=' . $this->preg_index(1);
							 | 
						||
| 
								 | 
							
													$subtbquery = $subquery . '&tb=1';
							 | 
						||
| 
								 | 
							
													$subfeedquery = $subquery . '&feed=' . $this->preg_index(2);
							 | 
						||
| 
								 | 
							
													$subcommentquery = $subquery . '&cpage=' . $this->preg_index(2);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
													//do endpoints for attachments
							 | 
						||
| 
								 | 
							
													if ( !empty($endpoints) ) {
							 | 
						||
| 
								 | 
							
														foreach ( (array) $ep_query_append as $regex => $ep ) {
							 | 
						||
| 
								 | 
							
															if ( $ep[0] & EP_ATTACHMENT ) {
							 | 
						||
| 
								 | 
							
																$rewrite[$sub1 . $regex] = $subquery . $ep[1] . $this->preg_index(2);
							 | 
						||
| 
								 | 
							
																$rewrite[$sub2 . $regex] = $subquery . $ep[1] . $this->preg_index(2);
							 | 
						||
| 
								 | 
							
															}
							 | 
						||
| 
								 | 
							
														}
							 | 
						||
| 
								 | 
							
													}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
													//now we've finished with endpoints, finish off the $sub1 and $sub2 matches
							 | 
						||
| 
								 | 
							
													//add a ? as we don't have to match that last slash, and finally a $ so we
							 | 
						||
| 
								 | 
							
													//match to the end of the URL
							 | 
						||
| 
								 | 
							
													$sub1 .= '?$';
							 | 
						||
| 
								 | 
							
													$sub2 .= '?$';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
													//post pagination, e.g. <permalink>/2/
							 | 
						||
| 
								 | 
							
													$match = $match . '(/[0-9]+)?/?$';
							 | 
						||
| 
								 | 
							
													$query = $index . '?' . $query . '&page=' . $this->preg_index($num_toks + 1);
							 | 
						||
| 
								 | 
							
												} else { //not matching a permalink so this is a lot simpler
							 | 
						||
| 
								 | 
							
													//close the match and finalise the query
							 | 
						||
| 
								 | 
							
													$match .= '?$';
							 | 
						||
| 
								 | 
							
													$query = $index . '?' . $query;
							 | 
						||
| 
								 | 
							
												}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
												//create the final array for this dir by joining the $rewrite array (which currently
							 | 
						||
| 
								 | 
							
												//only contains rules/queries for trackback, pages etc) to the main regex/query for
							 | 
						||
| 
								 | 
							
												//this dir
							 | 
						||
| 
								 | 
							
												$rewrite = array_merge($rewrite, array($match => $query));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
												//if we're matching a permalink, add those extras (attachments etc) on
							 | 
						||
| 
								 | 
							
												if ( $post ) {
							 | 
						||
| 
								 | 
							
													//add trackback
							 | 
						||
| 
								 | 
							
													$rewrite = array_merge(array($trackbackmatch => $trackbackquery), $rewrite);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
													//add regexes/queries for attachments, attachment trackbacks and so on
							 | 
						||
| 
								 | 
							
													if ( ! $page ) //require <permalink>/attachment/stuff form for pages because of confusion with subpages
							 | 
						||
| 
								 | 
							
														$rewrite = array_merge($rewrite, array($sub1 => $subquery, $sub1tb => $subtbquery, $sub1feed => $subfeedquery, $sub1feed2 => $subfeedquery, $sub1comment => $subcommentquery));
							 | 
						||
| 
								 | 
							
													$rewrite = array_merge(array($sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery, $sub2comment => $subcommentquery), $rewrite);
							 | 
						||
| 
								 | 
							
												}
							 | 
						||
| 
								 | 
							
											} //if($num_toks)
							 | 
						||
| 
								 | 
							
											//add the rules for this dir to the accumulating $post_rewrite
							 | 
						||
| 
								 | 
							
											$post_rewrite = array_merge($rewrite, $post_rewrite);
							 | 
						||
| 
								 | 
							
										} //foreach ($dir)
							 | 
						||
| 
								 | 
							
										return $post_rewrite; //the finished rules. phew!
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Generate Rewrite rules with permalink structure and walking directory only.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Shorten version of {@link WP_Rewrite::generate_rewrite_rules()} that
							 | 
						||
| 
								 | 
							
									 * allows for shorter list of parameters. See the method for longer
							 | 
						||
| 
								 | 
							
									 * description of what generating rewrite rules does.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @uses WP_Rewrite::generate_rewrite_rules() See for long description and rest of parameters.
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param string $permalink_structure The permalink structure to generate rules.
							 | 
						||
| 
								 | 
							
									 * @param bool $walk_dirs Optional, default is false. Whether to create list of directories to walk over.
							 | 
						||
| 
								 | 
							
									 * @return array
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function generate_rewrite_rule($permalink_structure, $walk_dirs = false) {
							 | 
						||
| 
								 | 
							
										return $this->generate_rewrite_rules($permalink_structure, EP_NONE, false, false, false, $walk_dirs);
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Construct rewrite matches and queries from permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Runs the action 'generate_rewrite_rules' with the parameter that is an
							 | 
						||
| 
								 | 
							
									 * reference to the current WP_Rewrite instance to further manipulate the
							 | 
						||
| 
								 | 
							
									 * permalink structures and rewrite rules. Runs the 'rewrite_rules_array'
							 | 
						||
| 
								 | 
							
									 * filter on the full rewrite rule array.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * There are two ways to manipulate the rewrite rules, one by hooking into
							 | 
						||
| 
								 | 
							
									 * the 'generate_rewrite_rules' action and gaining full control of the
							 | 
						||
| 
								 | 
							
									 * object or just manipulating the rewrite rule array before it is passed
							 | 
						||
| 
								 | 
							
									 * from the function.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return array An associate array of matches and queries.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function rewrite_rules() {
							 | 
						||
| 
								 | 
							
										$rewrite = array();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( empty($this->permalink_structure) )
							 | 
						||
| 
								 | 
							
											return $rewrite;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// robots.txt -only if installed at the root
							 | 
						||
| 
								 | 
							
										$home_path = parse_url( home_url() );
							 | 
						||
| 
								 | 
							
										$robots_rewrite = ( empty( $home_path['path'] ) || '/' == $home_path['path'] ) ? array( 'robots\.txt$' => $this->index . '?robots=1' ) : array();
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Old feed and service files
							 | 
						||
| 
								 | 
							
										$deprecated_files = array(
							 | 
						||
| 
								 | 
							
											'.*wp-(atom|rdf|rss|rss2|feed|commentsrss2)\.php$' => $this->index . '?feed=old',
							 | 
						||
| 
								 | 
							
											'.*wp-app\.php(/.*)?$' => $this->index . '?error=403',
							 | 
						||
| 
								 | 
							
										);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Registration rules
							 | 
						||
| 
								 | 
							
										$registration_pages = array();
							 | 
						||
| 
								 | 
							
										if ( is_multisite() && is_main_site() ) {
							 | 
						||
| 
								 | 
							
											$registration_pages['.*wp-signup.php$'] = $this->index . '?signup=true';
							 | 
						||
| 
								 | 
							
											$registration_pages['.*wp-activate.php$'] = $this->index . '?activate=true';
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
										$registration_pages['.*wp-register.php$'] = $this->index . '?register=true'; // Deprecated
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Post
							 | 
						||
| 
								 | 
							
										$post_rewrite = $this->generate_rewrite_rules( $this->permalink_structure, EP_PERMALINK );
							 | 
						||
| 
								 | 
							
										$post_rewrite = apply_filters('post_rewrite_rules', $post_rewrite);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Date
							 | 
						||
| 
								 | 
							
										$date_rewrite = $this->generate_rewrite_rules($this->get_date_permastruct(), EP_DATE);
							 | 
						||
| 
								 | 
							
										$date_rewrite = apply_filters('date_rewrite_rules', $date_rewrite);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Root
							 | 
						||
| 
								 | 
							
										$root_rewrite = $this->generate_rewrite_rules($this->root . '/', EP_ROOT);
							 | 
						||
| 
								 | 
							
										$root_rewrite = apply_filters('root_rewrite_rules', $root_rewrite);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Comments
							 | 
						||
| 
								 | 
							
										$comments_rewrite = $this->generate_rewrite_rules($this->root . $this->comments_base, EP_COMMENTS, true, true, true, false);
							 | 
						||
| 
								 | 
							
										$comments_rewrite = apply_filters('comments_rewrite_rules', $comments_rewrite);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Search
							 | 
						||
| 
								 | 
							
										$search_structure = $this->get_search_permastruct();
							 | 
						||
| 
								 | 
							
										$search_rewrite = $this->generate_rewrite_rules($search_structure, EP_SEARCH);
							 | 
						||
| 
								 | 
							
										$search_rewrite = apply_filters('search_rewrite_rules', $search_rewrite);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Authors
							 | 
						||
| 
								 | 
							
										$author_rewrite = $this->generate_rewrite_rules($this->get_author_permastruct(), EP_AUTHORS);
							 | 
						||
| 
								 | 
							
										$author_rewrite = apply_filters('author_rewrite_rules', $author_rewrite);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Pages
							 | 
						||
| 
								 | 
							
										$page_rewrite = $this->page_rewrite_rules();
							 | 
						||
| 
								 | 
							
										$page_rewrite = apply_filters('page_rewrite_rules', $page_rewrite);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Extra permastructs
							 | 
						||
| 
								 | 
							
										foreach ( $this->extra_permastructs as $permastructname => $struct ) {
							 | 
						||
| 
								 | 
							
											if ( is_array( $struct ) ) {
							 | 
						||
| 
								 | 
							
												if ( count( $struct ) == 2 )
							 | 
						||
| 
								 | 
							
													$rules = $this->generate_rewrite_rules( $struct[0], $struct[1] );
							 | 
						||
| 
								 | 
							
												else
							 | 
						||
| 
								 | 
							
													$rules = $this->generate_rewrite_rules( $struct['struct'], $struct['ep_mask'], $struct['paged'], $struct['feed'], $struct['forcomments'], $struct['walk_dirs'], $struct['endpoints'] );
							 | 
						||
| 
								 | 
							
											} else {
							 | 
						||
| 
								 | 
							
												$rules = $this->generate_rewrite_rules( $struct );
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											$rules = apply_filters($permastructname . '_rewrite_rules', $rules);
							 | 
						||
| 
								 | 
							
											if ( 'post_tag' == $permastructname )
							 | 
						||
| 
								 | 
							
												$rules = apply_filters('tag_rewrite_rules', $rules);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											$this->extra_rules_top = array_merge($this->extra_rules_top, $rules);
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Put them together.
							 | 
						||
| 
								 | 
							
										if ( $this->use_verbose_page_rules )
							 | 
						||
| 
								 | 
							
											$this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $deprecated_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite,  $author_rewrite, $date_rewrite, $page_rewrite, $post_rewrite, $this->extra_rules);
							 | 
						||
| 
								 | 
							
										else
							 | 
						||
| 
								 | 
							
											$this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $deprecated_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite,  $author_rewrite, $date_rewrite, $post_rewrite, $page_rewrite, $this->extra_rules);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										do_action_ref_array('generate_rewrite_rules', array(&$this));
							 | 
						||
| 
								 | 
							
										$this->rules = apply_filters('rewrite_rules_array', $this->rules);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $this->rules;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve the rewrite rules.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The difference between this method and {@link
							 | 
						||
| 
								 | 
							
									 * WP_Rewrite::rewrite_rules()} is that this method stores the rewrite rules
							 | 
						||
| 
								 | 
							
									 * in the 'rewrite_rules' option and retrieves it. This prevents having to
							 | 
						||
| 
								 | 
							
									 * process all of the permalinks to get the rewrite rules in the form of
							 | 
						||
| 
								 | 
							
									 * caching.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return array Rewrite rules.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function wp_rewrite_rules() {
							 | 
						||
| 
								 | 
							
										$this->rules = get_option('rewrite_rules');
							 | 
						||
| 
								 | 
							
										if ( empty($this->rules) ) {
							 | 
						||
| 
								 | 
							
											$this->matches = 'matches';
							 | 
						||
| 
								 | 
							
											$this->rewrite_rules();
							 | 
						||
| 
								 | 
							
											update_option('rewrite_rules', $this->rules);
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $this->rules;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve mod_rewrite formatted rewrite rules to write to .htaccess.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Does not actually write to the .htaccess file, but creates the rules for
							 | 
						||
| 
								 | 
							
									 * the process that will.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Will add the non_wp_rules property rules to the .htaccess file before
							 | 
						||
| 
								 | 
							
									 * the WordPress rewrite rules one.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function mod_rewrite_rules() {
							 | 
						||
| 
								 | 
							
										if ( ! $this->using_permalinks() )
							 | 
						||
| 
								 | 
							
											return '';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$site_root = parse_url( site_url() );
							 | 
						||
| 
								 | 
							
										if ( isset( $site_root['path'] ) )
							 | 
						||
| 
								 | 
							
											$site_root = trailingslashit($site_root['path']);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$home_root = parse_url(home_url());
							 | 
						||
| 
								 | 
							
										if ( isset( $home_root['path'] ) )
							 | 
						||
| 
								 | 
							
											$home_root = trailingslashit($home_root['path']);
							 | 
						||
| 
								 | 
							
										else
							 | 
						||
| 
								 | 
							
											$home_root = '/';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$rules = "<IfModule mod_rewrite.c>\n";
							 | 
						||
| 
								 | 
							
										$rules .= "RewriteEngine On\n";
							 | 
						||
| 
								 | 
							
										$rules .= "RewriteBase $home_root\n";
							 | 
						||
| 
								 | 
							
										$rules .= "RewriteRule ^index\.php$ - [L]\n"; // Prevent -f checks on index.php.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										//add in the rules that don't redirect to WP's index.php (and thus shouldn't be handled by WP at all)
							 | 
						||
| 
								 | 
							
										foreach ( (array) $this->non_wp_rules as $match => $query) {
							 | 
						||
| 
								 | 
							
											// Apache 1.3 does not support the reluctant (non-greedy) modifier.
							 | 
						||
| 
								 | 
							
											$match = str_replace('.+?', '.+', $match);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											// If the match is unanchored and greedy, prepend rewrite conditions
							 | 
						||
| 
								 | 
							
											// to avoid infinite redirects and eclipsing of real files.
							 | 
						||
| 
								 | 
							
											//if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) {
							 | 
						||
| 
								 | 
							
												//nada.
							 | 
						||
| 
								 | 
							
											//}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											$rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( $this->use_verbose_rules ) {
							 | 
						||
| 
								 | 
							
											$this->matches = '';
							 | 
						||
| 
								 | 
							
											$rewrite = $this->rewrite_rules();
							 | 
						||
| 
								 | 
							
											$num_rules = count($rewrite);
							 | 
						||
| 
								 | 
							
											$rules .= "RewriteCond %{REQUEST_FILENAME} -f [OR]\n" .
							 | 
						||
| 
								 | 
							
												"RewriteCond %{REQUEST_FILENAME} -d\n" .
							 | 
						||
| 
								 | 
							
												"RewriteRule ^.*$ - [S=$num_rules]\n";
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											foreach ( (array) $rewrite as $match => $query) {
							 | 
						||
| 
								 | 
							
												// Apache 1.3 does not support the reluctant (non-greedy) modifier.
							 | 
						||
| 
								 | 
							
												$match = str_replace('.+?', '.+', $match);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
												// If the match is unanchored and greedy, prepend rewrite conditions
							 | 
						||
| 
								 | 
							
												// to avoid infinite redirects and eclipsing of real files.
							 | 
						||
| 
								 | 
							
												//if ($match == '(.+)/?$' || $match == '([^/]+)/?$' ) {
							 | 
						||
| 
								 | 
							
													//nada.
							 | 
						||
| 
								 | 
							
												//}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
												if ( strpos($query, $this->index) !== false )
							 | 
						||
| 
								 | 
							
													$rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n";
							 | 
						||
| 
								 | 
							
												else
							 | 
						||
| 
								 | 
							
													$rules .= 'RewriteRule ^' . $match . ' ' . $site_root . $query . " [QSA,L]\n";
							 | 
						||
| 
								 | 
							
											}
							 | 
						||
| 
								 | 
							
										} else {
							 | 
						||
| 
								 | 
							
											$rules .= "RewriteCond %{REQUEST_FILENAME} !-f\n" .
							 | 
						||
| 
								 | 
							
												"RewriteCond %{REQUEST_FILENAME} !-d\n" .
							 | 
						||
| 
								 | 
							
												"RewriteRule . {$home_root}{$this->index} [L]\n";
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$rules .= "</IfModule>\n";
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$rules = apply_filters('mod_rewrite_rules', $rules);
							 | 
						||
| 
								 | 
							
										$rules = apply_filters('rewrite_rules', $rules);  // Deprecated
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $rules;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Retrieve IIS7 URL Rewrite formatted rewrite rules to write to web.config file.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Does not actually write to the web.config file, but creates the rules for
							 | 
						||
| 
								 | 
							
									 * the process that will.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.8.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return string
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function iis7_url_rewrite_rules( $add_parent_tags = false ) {
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( ! $this->using_permalinks() )
							 | 
						||
| 
								 | 
							
											return '';
							 | 
						||
| 
								 | 
							
										$rules = '';
							 | 
						||
| 
								 | 
							
										if ( $add_parent_tags ) {
							 | 
						||
| 
								 | 
							
											$rules .= '<configuration>
							 | 
						||
| 
								 | 
							
									<system.webServer>
							 | 
						||
| 
								 | 
							
										<rewrite>
							 | 
						||
| 
								 | 
							
											<rules>';
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$rules .= '
							 | 
						||
| 
								 | 
							
											<rule name="wordpress" patternSyntax="Wildcard">
							 | 
						||
| 
								 | 
							
												<match url="*" />
							 | 
						||
| 
								 | 
							
													<conditions>
							 | 
						||
| 
								 | 
							
														<add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
							 | 
						||
| 
								 | 
							
														<add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
							 | 
						||
| 
								 | 
							
													</conditions>
							 | 
						||
| 
								 | 
							
												<action type="Rewrite" url="index.php" />
							 | 
						||
| 
								 | 
							
											</rule>';
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( $add_parent_tags ) {
							 | 
						||
| 
								 | 
							
											$rules .= '
							 | 
						||
| 
								 | 
							
											</rules>
							 | 
						||
| 
								 | 
							
										</rewrite>
							 | 
						||
| 
								 | 
							
									</system.webServer>
							 | 
						||
| 
								 | 
							
								</configuration>';
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$rules = apply_filters('iis7_url_rewrite_rules', $rules);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										return $rules;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Add a straight rewrite rule.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Any value in the $after parameter that isn't 'bottom' will be placed at
							 | 
						||
| 
								 | 
							
									 * the top of the rules.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.1.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param string $regex Regular expression to match against request.
							 | 
						||
| 
								 | 
							
									 * @param string $redirect URL regex redirects to when regex matches request.
							 | 
						||
| 
								 | 
							
									 * @param string $after Optional, default is bottom. Location to place rule.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function add_rule($regex, $redirect, $after = 'bottom') {
							 | 
						||
| 
								 | 
							
										//get everything up to the first ?
							 | 
						||
| 
								 | 
							
										$index = (strpos($redirect, '?') == false ? strlen($redirect) : strpos($redirect, '?'));
							 | 
						||
| 
								 | 
							
										$front = substr($redirect, 0, $index);
							 | 
						||
| 
								 | 
							
										if ( $front != $this->index ) { //it doesn't redirect to WP's index.php
							 | 
						||
| 
								 | 
							
											$this->add_external_rule($regex, $redirect);
							 | 
						||
| 
								 | 
							
										} else {
							 | 
						||
| 
								 | 
							
											if ( 'bottom' == $after)
							 | 
						||
| 
								 | 
							
												$this->extra_rules = array_merge($this->extra_rules, array($regex => $redirect));
							 | 
						||
| 
								 | 
							
											else
							 | 
						||
| 
								 | 
							
												$this->extra_rules_top = array_merge($this->extra_rules_top, array($regex => $redirect));
							 | 
						||
| 
								 | 
							
											//$this->extra_rules[$regex] = $redirect;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Add a rule that doesn't redirect to index.php.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Can redirect to any place.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.1.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param string $regex Regular expression to match against request.
							 | 
						||
| 
								 | 
							
									 * @param string $redirect URL regex redirects to when regex matches request.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function add_external_rule($regex, $redirect) {
							 | 
						||
| 
								 | 
							
										$this->non_wp_rules[$regex] = $redirect;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Add an endpoint, like /trackback/.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * See {@link add_rewrite_endpoint()} for full documentation.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @see add_rewrite_endpoint()
							 | 
						||
| 
								 | 
							
									 * @since 2.1.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 * @uses WP::add_query_var()
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param string $name Name of the endpoint.
							 | 
						||
| 
								 | 
							
									 * @param int $places Endpoint mask describing the places the endpoint should be added.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function add_endpoint($name, $places) {
							 | 
						||
| 
								 | 
							
										global $wp;
							 | 
						||
| 
								 | 
							
										$this->endpoints[] = array ( $places, $name );
							 | 
						||
| 
								 | 
							
										$wp->add_query_var($name);
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Add a new permalink structure.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * A permalink structure (permastruct) is an abstract definition of a set of rewrite rules; it
							 | 
						||
| 
								 | 
							
									 * is an easy way of expressing a set of regular expressions that rewrite to a set of query strings.
							 | 
						||
| 
								 | 
							
									 * The new permastruct is added to the {@link WP_Rewrite::$extra_permastructs} array. When the
							 | 
						||
| 
								 | 
							
									 * rewrite rules are built by {@link WP_Rewrite::rewrite_rules()} all of these extra permastructs
							 | 
						||
| 
								 | 
							
									 * are passed to {@link WP_Rewrite::generate_rewrite_rules()} which transforms them into the
							 | 
						||
| 
								 | 
							
									 * regular expressions that many love to hate.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The $args parameter gives you control over how {@link WP_Rewrite::generate_rewrite_rules()}
							 | 
						||
| 
								 | 
							
									 * works on the new permastruct.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param string $name Name for permalink structure.
							 | 
						||
| 
								 | 
							
									 * @param string $struct Permalink structure (e.g. category/%category%)
							 | 
						||
| 
								 | 
							
									 * @param array $args Optional configuration for building the rules from the permalink structure:
							 | 
						||
| 
								 | 
							
									 *     - with_front (bool) - Should the structure be prepended with WP_Rewrite::$front? Default is true.
							 | 
						||
| 
								 | 
							
									 *     - ep_mask (int) - Endpoint mask defining what endpoints are added to the structure. Default is EP_NONE.
							 | 
						||
| 
								 | 
							
									 *     - paged (bool) - Should archive pagination rules be added for the structure? Default is true.
							 | 
						||
| 
								 | 
							
									 *     - feed (bool) - Should feed rewrite rules be added for the structure? Default is true.
							 | 
						||
| 
								 | 
							
									 *     - forcomments (bool) - Should the feed rules be a query for a comments feed? Default is false.
							 | 
						||
| 
								 | 
							
									 *     - walk_dirs (bool) - Should the 'directories' making up the structure be walked over and rewrite
							 | 
						||
| 
								 | 
							
									 *                          rules built for each in turn? Default is true.
							 | 
						||
| 
								 | 
							
									 *     - endpoints (bool) - Should endpoints be applied to the generated rewrite rules? Default is true.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function add_permastruct( $name, $struct, $args = array() ) {
							 | 
						||
| 
								 | 
							
										// backwards compatibility for the old parameters: $with_front and $ep_mask
							 | 
						||
| 
								 | 
							
										if ( ! is_array( $args ) )
							 | 
						||
| 
								 | 
							
											$args = array( 'with_front' => $args );
							 | 
						||
| 
								 | 
							
										if ( func_num_args() == 4 )
							 | 
						||
| 
								 | 
							
											$args['ep_mask'] = func_get_arg( 3 );
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$defaults = array(
							 | 
						||
| 
								 | 
							
											'with_front' => true,
							 | 
						||
| 
								 | 
							
											'ep_mask' => EP_NONE,
							 | 
						||
| 
								 | 
							
											'paged' => true,
							 | 
						||
| 
								 | 
							
											'feed' => true,
							 | 
						||
| 
								 | 
							
											'forcomments' => false,
							 | 
						||
| 
								 | 
							
											'walk_dirs' => true,
							 | 
						||
| 
								 | 
							
											'endpoints' => true,
							 | 
						||
| 
								 | 
							
										);
							 | 
						||
| 
								 | 
							
										$args = array_intersect_key( $args, $defaults );
							 | 
						||
| 
								 | 
							
										$args = wp_parse_args( $args, $defaults );
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										if ( $args['with_front'] )
							 | 
						||
| 
								 | 
							
											$struct = $this->front . $struct;
							 | 
						||
| 
								 | 
							
										else
							 | 
						||
| 
								 | 
							
											$struct = $this->root . $struct;
							 | 
						||
| 
								 | 
							
										$args['struct'] = $struct;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										$this->extra_permastructs[ $name ] = $args;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Remove rewrite rules and then recreate rewrite rules.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Calls {@link WP_Rewrite::wp_rewrite_rules()} after removing the
							 | 
						||
| 
								 | 
							
									 * 'rewrite_rules' option. If the function named 'save_mod_rewrite_rules'
							 | 
						||
| 
								 | 
							
									 * exists, it will be called.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.0.1
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 * @param bool $hard Whether to update .htaccess (hard flush) or just update rewrite_rules option (soft flush). Default is true (hard).
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function flush_rules($hard = true) {
							 | 
						||
| 
								 | 
							
										delete_option('rewrite_rules');
							 | 
						||
| 
								 | 
							
										$this->wp_rewrite_rules();
							 | 
						||
| 
								 | 
							
										if ( $hard && function_exists('save_mod_rewrite_rules') )
							 | 
						||
| 
								 | 
							
											save_mod_rewrite_rules();
							 | 
						||
| 
								 | 
							
										if ( $hard && function_exists('iis7_save_url_rewrite_rules') )
							 | 
						||
| 
								 | 
							
											iis7_save_url_rewrite_rules();
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Sets up the object's properties.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * The 'use_verbose_page_rules' object property will be set to true if the
							 | 
						||
| 
								 | 
							
									 * permalink structure begins with one of the following: '%postname%', '%category%',
							 | 
						||
| 
								 | 
							
									 * '%tag%', or '%author%'.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function init() {
							 | 
						||
| 
								 | 
							
										$this->extra_rules = $this->non_wp_rules = $this->endpoints = array();
							 | 
						||
| 
								 | 
							
										$this->permalink_structure = get_option('permalink_structure');
							 | 
						||
| 
								 | 
							
										$this->front = substr($this->permalink_structure, 0, strpos($this->permalink_structure, '%'));
							 | 
						||
| 
								 | 
							
										$this->root = '';
							 | 
						||
| 
								 | 
							
										if ( $this->using_index_permalinks() )
							 | 
						||
| 
								 | 
							
											$this->root = $this->index . '/';
							 | 
						||
| 
								 | 
							
										unset($this->author_structure);
							 | 
						||
| 
								 | 
							
										unset($this->date_structure);
							 | 
						||
| 
								 | 
							
										unset($this->page_structure);
							 | 
						||
| 
								 | 
							
										unset($this->search_structure);
							 | 
						||
| 
								 | 
							
										unset($this->feed_structure);
							 | 
						||
| 
								 | 
							
										unset($this->comment_feed_structure);
							 | 
						||
| 
								 | 
							
										$this->use_trailing_slashes = ( '/' == substr($this->permalink_structure, -1, 1) );
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										// Enable generic rules for pages if permalink structure doesn't begin with a wildcard.
							 | 
						||
| 
								 | 
							
										if ( preg_match("/^[^%]*%(?:postname|category|tag|author)%/", $this->permalink_structure) )
							 | 
						||
| 
								 | 
							
											 $this->use_verbose_page_rules = true;
							 | 
						||
| 
								 | 
							
										else
							 | 
						||
| 
								 | 
							
											$this->use_verbose_page_rules = false;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Set the main permalink structure for the blog.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Will update the 'permalink_structure' option, if there is a difference
							 | 
						||
| 
								 | 
							
									 * between the current permalink structure and the parameter value. Calls
							 | 
						||
| 
								 | 
							
									 * {@link WP_Rewrite::init()} after the option is updated.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Fires the 'permalink_structure_changed' action once the init call has
							 | 
						||
| 
								 | 
							
									 * processed passing the old and new values
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param string $permalink_structure Permalink structure.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function set_permalink_structure($permalink_structure) {
							 | 
						||
| 
								 | 
							
										if ( $permalink_structure != $this->permalink_structure ) {
							 | 
						||
| 
								 | 
							
											$old_permalink_structure = $this->permalink_structure;
							 | 
						||
| 
								 | 
							
											update_option('permalink_structure', $permalink_structure);
							 | 
						||
| 
								 | 
							
											$this->init();
							 | 
						||
| 
								 | 
							
											do_action('permalink_structure_changed', $old_permalink_structure, $permalink_structure);
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Set the category base for the category permalink.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Will update the 'category_base' option, if there is a difference between
							 | 
						||
| 
								 | 
							
									 * the current category base and the parameter value. Calls
							 | 
						||
| 
								 | 
							
									 * {@link WP_Rewrite::init()} after the option is updated.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param string $category_base Category permalink structure base.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function set_category_base($category_base) {
							 | 
						||
| 
								 | 
							
										if ( $category_base != get_option('category_base') ) {
							 | 
						||
| 
								 | 
							
											update_option('category_base', $category_base);
							 | 
						||
| 
								 | 
							
											$this->init();
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Set the tag base for the tag permalink.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * Will update the 'tag_base' option, if there is a difference between the
							 | 
						||
| 
								 | 
							
									 * current tag base and the parameter value. Calls
							 | 
						||
| 
								 | 
							
									 * {@link WP_Rewrite::init()} after the option is updated.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 2.3.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @param string $tag_base Tag permalink structure base.
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function set_tag_base( $tag_base ) {
							 | 
						||
| 
								 | 
							
										if ( $tag_base != get_option( 'tag_base') ) {
							 | 
						||
| 
								 | 
							
											update_option( 'tag_base', $tag_base );
							 | 
						||
| 
								 | 
							
											$this->init();
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									/**
							 | 
						||
| 
								 | 
							
									 * Constructor - Calls init(), which runs setup.
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @since 1.5.0
							 | 
						||
| 
								 | 
							
									 * @access public
							 | 
						||
| 
								 | 
							
									 *
							 | 
						||
| 
								 | 
							
									 * @return WP_Rewrite
							 | 
						||
| 
								 | 
							
									 */
							 | 
						||
| 
								 | 
							
									function __construct() {
							 | 
						||
| 
								 | 
							
										$this->init();
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								}
							 |