2000 lines
59 KiB
PHP
2000 lines
59 KiB
PHP
<?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) {
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global $wp_rewrite;
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$url = apply_filters('url_to_postid', $url);
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// First, check to see if there is a 'p=N' or 'page_id=N' to match against
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if ( preg_match('#[?&](p|page_id|attachment_id)=(\d+)#', $url, $values) ) {
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$id = absint($values[2]);
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if ( $id )
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return $id;
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}
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// Check to see if we are using rewrite rules
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$rewrite = $wp_rewrite->wp_rewrite_rules();
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// Not using rewrite rules, and 'p=N' and 'page_id=N' methods failed, so we're out of options
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if ( empty($rewrite) )
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return 0;
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// Get rid of the #anchor
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$url_split = explode('#', $url);
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$url = $url_split[0];
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// Get rid of URL ?query=string
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$url_split = explode('?', $url);
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$url = $url_split[0];
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// Add 'www.' if it is absent and should be there
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if ( false !== strpos(home_url(), '://www.') && false === strpos($url, '://www.') )
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$url = str_replace('://', '://www.', $url);
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// Strip 'www.' if it is present and shouldn't be
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if ( false === strpos(home_url(), '://www.') )
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$url = str_replace('://www.', '://', $url);
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// Strip 'index.php/' if we're not using path info permalinks
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if ( !$wp_rewrite->using_index_permalinks() )
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$url = str_replace('index.php/', '', $url);
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if ( false !== strpos($url, home_url()) ) {
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// Chop off http://domain.com
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$url = str_replace(home_url(), '', $url);
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} else {
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// Chop off /path/to/blog
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$home_path = parse_url(home_url());
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$home_path = isset( $home_path['path'] ) ? $home_path['path'] : '' ;
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$url = str_replace($home_path, '', $url);
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}
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// Trim leading and lagging slashes
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$url = trim($url, '/');
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$request = $url;
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// Look for matches.
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$request_match = $request;
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foreach ( (array)$rewrite as $match => $query) {
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// If the requesting file is the anchor of the match, prepend it
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// to the path info.
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if ( !empty($url) && ($url != $request) && (strpos($match, $url) === 0) )
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$request_match = $url . '/' . $request;
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if ( preg_match("!^$match!", $request_match, $matches) ) {
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if ( $wp_rewrite->use_verbose_page_rules && preg_match( '/pagename=\$matches\[([0-9]+)\]/', $query, $varmatch ) ) {
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// this is a verbose page match, lets check to be sure about it
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if ( ! get_page_by_path( $matches[ $varmatch[1] ] ) )
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continue;
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}
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// Got a match.
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// Trim the query of everything up to the '?'.
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$query = preg_replace("!^.+\?!", '', $query);
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// Substitute the substring matches into the query.
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$query = addslashes(WP_MatchesMapRegex::apply($query, $matches));
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// Filter out non-public query vars
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global $wp;
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parse_str($query, $query_vars);
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$query = array();
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foreach ( (array) $query_vars as $key => $value ) {
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if ( in_array($key, $wp->public_query_vars) )
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$query[$key] = $value;
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}
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// Do the query
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$query = new WP_Query($query);
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if ( !empty($query->posts) && $query->is_singular )
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return $query->post->ID;
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else
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return 0;
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}
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}
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return 0;
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}
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/**
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* WordPress Rewrite Component.
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*
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* The WordPress Rewrite class writes the rewrite module rules to the .htaccess
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* file. It also handles parsing the request to get the correct setup for the
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* WordPress Query class.
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*
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* The Rewrite along with WP class function as a front controller for WordPress.
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* You can add rules to trigger your page view and processing using this
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* component. The full functionality of a front controller does not exist,
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* meaning you can't define how the template files load based on the rewrite
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* rules.
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*
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* @since 1.5.0
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*/
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class WP_Rewrite {
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/**
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* Permalink structure for posts.
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $permalink_structure;
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/**
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* Whether to add trailing slashes.
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*
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* @since 2.2.0
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* @access private
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* @var bool
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*/
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var $use_trailing_slashes;
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/**
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* Base for the author permalink structure (example.com/$author_base/authorname).
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $author_base = 'author';
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/**
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* Permalink structure for author archives.
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $author_structure;
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/**
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* Permalink structure for date archives.
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $date_structure;
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/**
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* Permalink structure for pages.
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $page_structure;
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/**
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* Base of the search permalink structure (example.com/$search_base/query).
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $search_base = 'search';
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/**
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* Permalink structure for searches.
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $search_structure;
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/**
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* Comments permalink base.
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $comments_base = 'comments';
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/**
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* Pagination permalink base.
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*
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* @since 3.1.0
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* @access private
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* @var string
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*/
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var $pagination_base = 'page';
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/**
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* Feed permalink base.
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $feed_base = 'feed';
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/**
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* Comments feed permalink structure.
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $comments_feed_structure;
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/**
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* Feed request permalink structure.
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $feed_structure;
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/**
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* The static portion of the post permalink structure.
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*
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* If the permalink structure is "/archive/%post_id%" then the front
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* is "/archive/". If the permalink structure is "/%year%/%postname%/"
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* then the front is "/".
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*
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* @see WP_Rewrite::init()
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $front;
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/**
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* The prefix for all permalink structures.
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*
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* If PATHINFO/index permalinks are in use then the root is the value of
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* {@link WP_Rewrite::$index} with a trailing slash appended. Otherwise
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* the root will be empty.
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*
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* @see WP_Rewrite::init()
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* @see WP_Rewrite::using_index_permalinks()
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $root = '';
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/**
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* The name of the index file which is the entry point to all requests.
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*
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* @since 1.5.0
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* @access public
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* @var string
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*/
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var $index = 'index.php';
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/**
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* Variable name to use for regex matches in the rewritten query.
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*
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* @since 1.5.0
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* @access private
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* @var string
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*/
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var $matches = '';
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/**
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* Rewrite rules to match against the request to find the redirect or query.
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*
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* @since 1.5.0
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* @access private
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* @var array
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*/
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var $rules;
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/**
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* Additional rules added external to the rewrite class.
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*
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* Those not generated by the class, see add_rewrite_rule().
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*
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|
* @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();
|
|
}
|
|
}
|