WP_Rewrite{} │ WP 1.5.0

WP_Rewrite Object
(
	[permalink_structure] => /id_%post_id%/%postname%.html
	[use_trailing_slashes] =>
	[author_base] => author
	[page_structure] => %pagename%
	[search_base] => search
	[comments_base] => comments
	[pagination_base] => page
	[comments_pagination_base] => comment-page
	[feed_base] => feed
	[front] => /id_
	[root] =>
	[index] => index.php
	[matches] =>
	[rules] => Array
		(
			[(filecode)(/.*)$] => index.php?pagename=$matches[1]&file_path=$matches[2]
			[(sitemap)/([^/]*)/?] => index.php?pagename=$matches[1]&pagetype=$matches[2]
			[article/?$] => index.php?post_type=article
			[article/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?post_type=article&feed=$matches[1]
			[article/(feed|rdf|rss|rss2|atom)/?$] => index.php?post_type=article&feed=$matches[1]
			[article/page/([0-9]{1,})/?$] => index.php?post_type=article&paged=$matches[1]
			[cat/(.+?)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?category_name=$matches[1]&feed=$matches[2]
			[cat/(.+?)/(feed|rdf|rss|rss2|atom)/?$] => index.php?category_name=$matches[1]&feed=$matches[2]
			[cat/(.+?)/embed/?$] => index.php?category_name=$matches[1]&embed=true
			[cat/(.+?)/page/?([0-9]{1,})/?$] => index.php?category_name=$matches[1]&paged=$matches[2]
			[cat/(.+?)/?$] => index.php?category_name=$matches[1]
			[met/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?tag=$matches[1]&feed=$matches[2]
			[met/([^/]+)/(feed|rdf|rss|rss2|atom)/?$] => index.php?tag=$matches[1]&feed=$matches[2]
			[met/([^/]+)/embed/?$] => index.php?tag=$matches[1]&embed=true
			[met/([^/]+)/page/?([0-9]{1,})/?$] => index.php?tag=$matches[1]&paged=$matches[2]
			[met/([^/]+)/?$] => index.php?tag=$matches[1]
			[id_type/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?post_format=$matches[1]&feed=$matches[2]
			[id_type/([^/]+)/(feed|rdf|rss|rss2|atom)/?$] => index.php?post_format=$matches[1]&feed=$matches[2]
			[id_type/([^/]+)/embed/?$] => index.php?post_format=$matches[1]&embed=true
			[id_type/([^/]+)/page/?([0-9]{1,})/?$] => index.php?post_format=$matches[1]&paged=$matches[2]
			[id_type/([^/]+)/?$] => index.php?post_format=$matches[1]
			[robots.txt$] => index.php?robots=1
			[.*wp-(atom|rdf|rss|rss2|feed|commentsrss2).php$] => index.php?feed=old
			[.*wp-app.php(/.*)?$] => index.php?error=403
			[.*wp-register.php$] => index.php?register=true
			[feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?&feed=$matches[1]
			[(feed|rdf|rss|rss2|atom)/?$] => index.php?&feed=$matches[1]
			[ embed/?$] => index.php?&embed=true
			[page/?([0-9]{1,})/?$] => index.php?&paged=$matches[1]
			[comments/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?&feed=$matches[1]&withcomments=1
			[comments/(feed|rdf|rss|rss2|atom)/?$] => index.php?&feed=$matches[1]&withcomments=1
			[comments/embed/?$] => index.php?&embed=true
			[search/(.+)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?s=$matches[1]&feed=$matches[2]
			[search/(.+)/(feed|rdf|rss|rss2|atom)/?$] => index.php?s=$matches[1]&feed=$matches[2]
			[search/(.+)/embed/?$] => index.php?s=$matches[1]&embed=true
			[search/(.+)/page/?([0-9]{1,})/?$] => index.php?s=$matches[1]&paged=$matches[2]
			[search/(.+)/?$] => index.php?s=$matches[1]
			[id_author/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?author_name=$matches[1]&feed=$matches[2]
			[id_author/([^/]+)/(feed|rdf|rss|rss2|atom)/?$] => index.php?author_name=$matches[1]&feed=$matches[2]
			[id_author/([^/]+)/embed/?$] => index.php?author_name=$matches[1]&embed=true
			[id_author/([^/]+)/page/?([0-9]{1,})/?$] => index.php?author_name=$matches[1]&paged=$matches[2]
			[id_author/([^/]+)/?$] => index.php?author_name=$matches[1]
			[id_date/([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/feed/(feed|rdf|rss|rss2 |atom)/?$] => index.php?year=$matches[1]&monthnum=$matches[2]&day=$matches[3]&feed=$matches[4]
			[id_date/([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/(feed|rdf|rss|rss2|atom )/?$] => index.php?year=$matches[1]&monthnum=$matches[2]&day=$matches[3]&feed=$matches[4]
			[id_date/([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/embed/?$] => index.php ?year=$matches[1]&monthnum=$matches[2]&day=$matches[3]&embed=true
			[id_date/([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/page/?([0-9]{ 1,})/?$] => index.php?year=$matches[1]&monthnum=$matches[2]&day=$matches[3]&paged=$matches[4]
			[id_date/([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/?$] => index.php?year =$matches[1]&monthnum=$matches[2]&day=$matches[3]
			[id_date/([0-9]{4})/([0-9]{1,2})/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php? year=$matches[1]&monthnum=$matches[2]&feed=$matches[3]
			[id_date/([0-9]{4})/([0-9]{1,2})/(feed|rdf|rss|rss2|atom)/?$] => index.php?year= $matches[1]&monthnum=$matches[2]&feed=$matches[3]
			[id_date/([0-9]{4})/([0-9]{1,2})/embed/?$] => index.php?year=$matches[1]&monthnum=$matches[ 2]&embed=true
			[id_date/([0-9]{4})/([0-9]{1,2})/page/?([0-9]{1,})/?$] => index.php ?year=$matches[1]&monthnum=$matches[2]&paged=$matches[3]
			[id_date/([0-9]{4})/([0-9]{1,2})/?$] => index.php?year=$matches[1]&monthnum=$matches[2]
			[id_date/([0-9]{4})/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?year=$matches[1]&feed=$matches[2 ]
			[id_date/([0-9]{4})/(feed|rdf|rss|rss2|atom)/?$] => index.php?year=$matches[1]&feed=$matches[2]
			[id_date/([0-9]{4})/embed/?$] => index.php?year=$matches[1]&embed=true
			[id_date/([0-9]{4})/page/?([0-9]{1,})/?$] => index.php?year=$matches[1]&paged=$matches[ 2]
			[id_date/([0-9]{4})/?$] => index.php?year=$matches[1]
			[id_[0-9]+/[^/]+.html/attachment/([^/]+)/?$] => index.php?attachment=$matches[1]
			[id_[0-9]+/[^/]+.html/attachment/([^/]+)/trackback/?$] => index.php?attachment=$matches[1]&tb=1
			[id_[0-9]+/[^/]+.html/attachment/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php? attachment=$matches[1]&feed=$matches[2]
			[id_[0-9]+/[^/]+.html/attachment/([^/]+)/(feed|rdf|rss|rss2|atom)/?$] => index.php?attachment= $matches[1]&feed=$matches[2]
			[id_[0-9]+/[^/]+.html/attachment/([^/]+)/comment-page-([0-9]{1,})/?$] => index. php?attachment=$matches[1]&cpage=$matches[2]
			[id_[0-9]+/[^/]+.html/attachment/([^/]+)/embed/?$] => index.php?attachment=$matches[1]&embed=true
			[id_([0-9]+)/([^/]+).html/embed/?$] => index.php?p=$matches[1]&name=$matches[2]&embed=true
			[id_([0-9]+)/([^/]+).html/trackback/?$] => index.php?p=$matches[1]&name=$matches[2]&tb=1
			[id_([0-9]+)/([^/]+).html/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?p=$matches[1 ]&name=$matches[2]&feed=$matches[3]
			[id_([0-9]+)/([^/]+).html/(feed|rdf|rss|rss2|atom)/?$] => index.php?p=$matches[1]&name =$matches[2]&feed=$matches[3]
			[id_([0-9]+)/([^/]+).html/page/?([0-9]{1,})/?$] => index.php?p=$matches[ 1]&name=$matches[2]&paged=$matches[3]
			[id_([0-9]+)/([^/]+).html/comment-page-([0-9]{1,})/?$] => index.php?p=$matches [1]&name=$matches[2]&cpage=$matches[3]
			[id_([0-9]+)/([^/]+).html(?:/([0-9]+))?/?$] => index.php?p=$matches[1 ]&name=$matches[2]&page=$matches[3]
			[id_[0-9]+/[^/]+.html/([^/]+)/?$] => index.php?attachment=$matches[1]
			[id_[0-9]+/[^/]+.html/([^/]+)/trackback/?$] => index.php?attachment=$matches[1]&tb=1
			[id_[0-9]+/[^/]+.html/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?attachment= $matches[1]&feed=$matches[2]
			[id_[0-9]+/[^/]+.html/([^/]+)/(feed|rdf|rss|rss2|atom)/?$] => index.php?attachment=$matches [1]&feed=$matches[2]
			[id_[0-9]+/[^/]+.html/([^/]+)/comment-page-([0-9]{1,})/?$] => index.php? attachment=$matches[1]&cpage=$matches[2]
			[id_[0-9]+/[^/]+.html/([^/]+)/embed/?$] => index.php?attachment=$matches[1]&embed=true
			[id_[0-9]+/attachment/([^/]+)/?$] => index.php?attachment=$matches[1]
			[id_[0-9]+/attachment/([^/]+)/trackback/?$] => index.php?attachment=$matches[1]&tb=1
			[id_[0-9]+/attachment/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?attachment=$matches[1]&feed =$matches[2]
			[id_[0-9]+/attachment/([^/]+)/(feed|rdf|rss|rss2|atom)/?$] => index.php?attachment=$matches[1]&feed=$ matches[2]
			[id_[0-9]+/attachment/([^/]+)/comment-page-([0-9]{1,})/?$] => index.php?attachment=$matches[1 ]&cpage=$matches[2]
			[id_[0-9]+/attachment/([^/]+)/embed/?$] => index.php?attachment=$matches[1]&embed=true
			[id_([0-9]+)/embed/?$] => index.php?p=$matches[1]&embed=true
			[id_([0-9]+)/trackback/?$] => index.php?p=$matches[1]&tb=1
			[id_([0-9]+)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?p=$matches[1]&feed=$matches[2]
			[id_([0-9]+)/(feed|rdf|rss|rss2|atom)/?$] => index.php?p=$matches[1]&feed=$matches[2]
			[id_([0-9]+)/page/?([0-9]{1,})/?$] => index.php?p=$matches[1]&paged=$matches[2]
			[id_([0-9]+)/comment-page-([0-9]{1,})/?$] => index.php?p=$matches[1]&cpage=$matches[2]
			[id_([0-9]+)(?:/([0-9]+))?/?$] => index.php?p=$matches[1]&page=$matches[2]
			[id_[0-9]+/([^/]+)/?$] => index.php?attachment=$matches[1]
			[id_[0-9]+/([^/]+)/trackback/?$] => index.php?attachment=$matches[1]&tb=1
			[id_[0-9]+/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?attachment=$matches[1]&feed=$ matches[2]
			[id_[0-9]+/([^/]+)/(feed|rdf|rss|rss2|atom)/?$] => index.php?attachment=$matches[1]&feed=$matches[ 2]
			[id_[0-9]+/([^/]+)/comment-page-([0-9]{1,})/?$] => index.php?attachment=$matches[1]&cpage =$matches[2]
			[id_[0-9]+/([^/]+)/embed/?$] => index.php?attachment=$matches[1]&embed=true
			[.?.+?/attachment/([^/]+)/?$] => index.php?attachment=$matches[1]
			[.?.+?/attachment/([^/]+)/trackback/?$] => index.php?attachment=$matches[1]&tb=1
			[.?.+?/attachment/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?attachment=$matches[1]&feed=$ matches[2]
			[.?.+?/attachment/([^/]+)/(feed|rdf|rss|rss2|atom)/?$] => index.php?attachment=$matches[1]&feed=$matches[ 2]
			[.?.+?/attachment/([^/]+)/comment-page-([0-9]{1,})/?$] => index.php?attachment=$matches[1]&cpage =$matches[2]
			[.?.+?/attachment/([^/]+)/embed/?$] => index.php?attachment=$matches[1]&embed=true
			[(.?.+?)/embed/?$] => index.php?pagename=$matches[1]&embed=true
			[(.?.+?)/trackback/?$] => index.php?pagename=$matches[1]&tb=1
			[(.?.+?)/feed/(feed|rdf|rss|rss2|atom)/?$] => index.php?pagename=$matches[1]&feed=$matches[2]
			[(.?.+?)/(feed|rdf|rss|rss2|atom)/?$] => index.php?pagename=$matches[1]&feed=$matches[2]
			[(.?.+?)/page/?([0-9]{1,})/?$] => index.php?pagename=$matches[1]&paged=$matches[2]
			[(.?.+?)/comment-page-([0-9]{1,})/?$] => index.php?pagename=$matches[1]&cpage=$matches[2]
			[(.?.+?)(?:/([0-9]+))?/?$] => index.php?pagename=$matches[1]&page=$matches[2]
		)

	[extra_rules] => Array ()

	[extra_rules_top] => Array (
			[(filecode)(/.*)$] => index.php?pagename=$matches[1]&file_path=$matches[2]
		)

	[non_wp_rules] => Array()

	[extra_permastructs] => Array (
			[category] => Array (
					[with_front] =>
					[ep_mask] => 512
					[paged] => 1
					[feed] => 1
					[forcomments] =>
					[walk_dirs] => 1
					[endpoints] => 1
					[struct] => cat/%category%
				)

			[post_tag] => Array (
					[with_front] =>
					[ep_mask] => 1024
					[paged] => 1
					[feed] => 1
					[forcomments] =>
					[walk_dirs] => 1
					[endpoints] => 1
					[struct] => met/%post_tag%
				)

			[article] => Array (
					[with_front] =>
					[ep_mask] => 1
					[paged] => 1
					[feed] => 1
					[forcomments] =>
					[walk_dirs] => 1
					[endpoints] => 1
					[struct] => article/%article%
				)
		)

	[endpoints] => Array()

	[use_verbose_rules] =>
	[use_verbose_page_rules] =>
	[rewritecode] => Array
		(
			[0] => %year%
			[1] => %monthnum%
			[2] => %day%
			[3] => %hour%
			[4] => %minute%
			[5] => %second%
			[6] => %postname%
			[7] => %post_id%
			[8] => %author%
			[9] => %pagename%
			[10] => %search%
			[11] => %category%
			[12] => %post_tag%
			[13] => %post_format%
			[14] => %article%
		)

	[rewritereplace] => Array
		(
			[0] => ([0-9] {4})
			[1] => ([0-9] {1,2})
			[2] => ([0-9] {1,2})
			[3] => ([0-9] {1,2})
			[4] => ([0-9] {1,2})
			[5] => ([0-9] {1,2})
			[6] => ([^/]+)
			[7] => ([0-9]+)
			[8] => ([^/]+)
			[9] => ([^/]+?)
			[10] => (.+)
			[11] => (.+?)
			[12] => ([^/]+)
			[13] => ([^/]+)
			[14] => ([^/]+)
		)

	[queryreplace] => Array
		(
			[0] => year=
			[1] => monthnum =
			[2] => day=
			[3] => hour=
			[4] => minute=
			[5] => second=
			[6] => name=
			[7] => p=
			[8] => author_name=
			[9] => pagename=
			[10] => s=
			[11] => category_name=
			[12] => tag=
			[13] => post_format=
			[14] => article=
		)

	[feeds] => Array
		(
			[0] => feed
			[1] => rdf
			[2] => rss
			[3] => rss2
			[4] => atom
		)

)

add_filter('rewrite_rules_array', 'my_insert_rewrite_rules');
add_filter('query_vars', 'my_insert_query_vars');
add_action('wp_loaded', 'my_flush_rules');

// flush_rules() якщо нашого правила ще немає у правилах
function my_flush_rules(){
	$rules = get_option( 'rewrite_rules');

	if ( ! isset( $rules['(project)/(d*)$'] ) ) {
		global $wp_rewrite;
		$wp_rewrite->flush_rules();
	}
}

// Додаємо нове правило
function my_insert_rewrite_rules( $rules ){
	$newrules = array(
		'(project)/(d*)$' => 'index.php?pagename=$matches[1]&id=$matches[2]'
	);
	return $newrules + $rules;
}

// Додамо змінну запиту id до змінних, щоб WP знав про неї
function my_insert_query_vars( $vars ){
	array_push($vars, 'id');
	return $vars;
}

add_filter( 'generate_rewrite_rules', 'feed_dir_rewrite');

function feed_dir_rewrite( $wp_rewrite ) {

	$feed_rules = array(
		'index.rdf' => 'index.php?feed=rdf',
		'index.xml' => 'index.php?feed=rss2',
		'(.+).xml' => 'index.php?feed=' . $wp_rewrite->preg_index(1)
	);

	$wp_rewrite->rules = $feed_rules + $wp_rewrite->rules;

	return $wp_rewrite->rules;
}

$wp_rewrite->non_wp_rules = array( 'Pattern' => 'Substitution' );

print_r( $wp_rewrite->mod_rewrite_rules() );

/* Виведе:

RewriteEngine On
RewriteBase /
RewriteRule ^index.php$ - [L]
RewriteRule ^ Pattern / Substitution [QSA, L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule. /index.php [L]

*/

add_action( 'init', 'html_page_permalink', -1);

function html_page_permalink(){
	global $wp_rewrite; // містить об'єкт WP_Rewrite

	// якщо ще немає '.html' у структурі сторінок, додаємо
	if( ! strpos( $wp_rewrite->get_page_permastruct(), '.html' ) ){
		$wp_rewrite->page_structure = $wp_rewrite->page_structure . '.html';
	}
}

// Видалимо слеш на кінці, якщо потрібно.
// Якщо слеш є у структурі ЧПУ, він додаватиметься і до постійним сторінкам.
add_filter( 'user_trailingslashit', 'no_page_slash', 70, 2);

function no_page_slash( $string, $type ){
   global $wp_rewrite;

	if( $type == 'page' && $wp_rewrite->using_permalinks() && $wp_rewrite->use_trailing_slashes )
		$string = untrailingslashit($string);

   return $string;
}

add_action( 'init', function(){
	$GLOBALS['wp_rewrite']->author_base = 'creator';
}, 1);

add_action( 'init', function(){
	global $wp_rewrite;

	// додамо тег перезапису, щоб add_permastruct() його зрозуміла
	// він потім буде замінений на частину регулювання вказаної у другому параметрі
	$wp_rewrite->add_rewrite_tag( '%book%', '([^/]+)', "post_type=book&name=" );

	$permastruct = 'book/%book%'; // наша структура ЧПУ

	// додаємо структуру ЧПУ
	$wp_rewrite->add_permastruct( 'book', $permastruct, array(
		'with_front' => true,
		'paged' => true,
		'feed' => false,
		'forcomments' => false,
		'walk_dirs' => false,
		'endpoints' => false,
	)));

}, 1);

// третій параметр add_permastruct() можна не вказувати, тоді аргументи будуть за замовчуванням

add_action( 'init', function(){

	// створимо правила ЧПУ
	add_rewrite_tag( '%order_id%', '([0-9]+)', "post_type=orders&p=" );

	// або можна так
	// створимо правила ЧПУ - тут 'order/([0-9]+)/?$' повністю збігається з тим що
	// створило б add_permastruct() і тому замінює...
	//add_filter( 'orders'.'_rewrite_rules', function( $rules ){
	// return array( 'order/([0-9]+)/?$' => 'index.php?post_type=orders&p=$matches[2]' );
	//});

	// реєструємо структуру для типу запису
	add_permastruct( 'orders', 'order/%order_id%', array(
		'with_front' => false,
		'paged' => false,
		'feed' => false,
		'forcomments' => false,
		'walk_dirs' => false,
		'endpoints' => false,
	));

	// замінимо тег в URL на ID
	add_filter( 'post_type_link', 'orders_permalink', 1, 2);

	function orders_permalink( $permalink, $post ){

		if( false === strpos($permalink, '%order_id%') ){
			return $permalink;
		}

		return str_replace( '%order_id%', $post->ID, $permalink );
	}

} );

add_filter( 'post_type_link', 'remove_post_type_slug', 10, 2);
add_action( 'pre_get_posts', 'add_post_type_to_get_posts_request');

// Видаляємо префікс з ім'ям типу запису з URL
function remove_post_type_slug( $post_link, $post ){

	if( $post->post_type === 'team' ){
		return str_replace( "/$post->post_type/", '/', $post_link );
	}

	return $post_link;
}

// Додаємо тип запису на запит
function add_post_type_to_get_posts_request( $query ){

	if( is_admin() || ! $query->is_main_query() )
		return; // не основний запит

	// не запит з name параметром (як у постійної сторінки)
	if( ! isset($query->query['page']) || empty($query->query['name']) || count($query->query) != 2 )
		return;

	$query->set('post_type', array('post', 'page', 'team') ); // 'team' added
}

add_action( 'init', 'pw24_post_type_rewrite');
add_action( 'pre_get_posts', 'pw24_add_post_type_to_get_posts_request');

function pw24_post_type_rewrite() {
	global $wp_rewrite;

	// у разі тип запису - pool_services
	$wp_rewrite->add_rewrite_tag( "%pool_services%", '([^/]+)', "pool_services=" );
	$wp_rewrite->add_permastruct( 'pool_services', '%pool_services%' );
}

function pw24_add_post_type_to_get_posts_request( $query ){

	if( is_admin() || ! $query->is_main_query() )
		return; // не основний запит

	// не запит з name параметром (як у постійної сторінки)
	if( ! isset($query->query['page']) || empty($query->query['name']) || count($query->query) != 2 )
		return;

	// додаємо 'pool_services'
	$query->set( 'post_type', [ 'post', 'page', 'pool_services' ] );
}

список змін

Код WP_Rewrite{} WP Rewrite{} ^{WP 6.0.2}

class WP_Rewrite {
	/**
	 * Permalink structure for posts.
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $permalink_structure;

	/**
	 * Whether to add trailing slashes.
	 *
	 * @ Since 2.2.0
	 * @var bool
	 */
	public $use_trailing_slashes;

	/**
	 * Base for the author permalink structure (example.com/$author_base/authorname).
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $author_base = 'author';

	/**
	 * Permalink structure для author archives.
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $author_structure;

	/**
	 * Permalink structure для date archives.
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $date_structure;

	/**
	 * Permalink structure для pages.
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $page_structure;

	/**
	 * Основа для пошуку структури структури (example.com/$search_base/query).
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $search_base = 'search';

	/**
	 * Permalink structure for searches.
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $search_structure;

	/**
	 * Comments permalink base.
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $comments_base = 'comments';

	/**
	 * Pagination permalink base.
	 *
	 * @ Since 3.1.0
	 * @var string
	 */
	public $pagination_base = 'page';

	/**
	 * Comments pagination permalink base.
	 *
	 * @ Since 4.2.0
	 * @var string
	 */
	public $comments_pagination_base = 'comment-page';

	/**
	 * Feed permalink base.
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $feed_base = 'feed';

	/**
	 * Comments feed permalink structure.
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $comment_feed_structure;

	/**
	 * Feed request permalink structure.
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $feed_structure;

	/**
	 * Статична порція post postmalink structure.
	 *
	 * Якщо структура структури орієнтації є "/archive/%post_id%" then the front
	 * is "/archive/". Якщо структура структури є "/%year%/%postname%/"
	 * then the front is "/".
	 *
	 * @ Since 1.5.0
	 * @var string
	 *
	 * @see WP_Rewrite::init()
	 */
	public $front;

	/**
	 * The prefix for all permalink structures.
	 *
	 * Якщо PATHINFO/index permalinks є в тому, щоб використовувати root is value of
	 * `WP_Rewrite::$index` with trailing slash appended. Іншіwise the root
	 * will be empty.
	 *
	 * @ Since 1.5.0
	 * @var string
	 *
	 * @see WP_Rewrite::init()
	 * @see WP_Rewrite::using_index_permalinks()
	 */
	public $root = '';

	/**
	 * Назва index файлу, який є введенням пункту до всіх запитів.
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $index = 'index.php';

	/**
	 * Variable name to use for regex matches in the rewritten query.
	 *
	 * @ Since 1.5.0
	 * @var string
	 */
	public $matches = '';

	/**
	 * Rewrite rules to match against the request to find the redirect or query.
	 *
	 * @ Since 1.5.0
	 * @var array
	 */
	public $rules;

	/**
	 * Additional rules added external to the rewrite class.
	 *
	 * Той не generated by the class, see add_rewrite_rule().
	 *
	 * @ Since 2.1.0
	 * @var array
	 */
	$extra_rules = array();

	/**
	 * Additional rules that belong at the beginning to match first.
	 *
	 * Той не generated by the class, see add_rewrite_rule().
	 *
	 * @ Since 2.3.0
	 * @var array
	 */
	$extra_rules_top = array();

	/**
	 * Rules that don't redirect to WordPress' index.php.
	 *
	 * Ці правила є написані до mod_rewrite portion of .htaccess,
	 * and are added by add_external_rule().
	 *
	 * @ Since 2.1.0
	 * @var array
	 */
	$non_wp_rules = array();

	/**
	 * Extra permalink structures, eg categories, added by add_permastruct().
	 *
	 * @ Since 2.1.0
	 * @var array
	 */
	public $extra_permastructs = array();

	/**
	 * Endpoints (like /trackback/) added by add_rewrite_endpoint().
	 *
	 * @ Since 2.1.0
	 * @var array
	 */
	public $endpoints;

	/**
	 * Whether to write every mod_rewrite rule для WordPress в .htaccess file.
	 *
	 * Це не off by default, turning it on might print a lot of rewrite rules
	 * до .htaccess file.
	 *
	 * @ Since 2.0.0
	 * @var bool
	 *
	 * @see WP_Rewrite::mod_rewrite_rules()
	 */
	$use_verbose_rules = false;

	/**
	 * Could post permalinks be confused with those of pages?
	 *
	 * Якщо перша rewrite tag в post permalink structure is one that could
	 * also match a page name (eg %postname% або %author%) then this flag is
	 * Set to true. Prior to WordPress 3.3 this flag indicated that every page
	 * would have set of rules added to the top of rewrite rules array.
	 * Now it tells WP::parse_request() до check if a URL matching the page
	 * permastruct is actually a page before accepting it.
	 *
	 * @ Since 2.5.0
	 * @var bool
	 *
	 * @see WP_Rewrite::init()
	 */
	public $use_verbose_page_rules = true;

	/**
	 * Rewrite tags, які можуть бути використані в будівельних структурах.
	 *
	 * Вони будуть перенесені в регулярні expressions, що знаходяться в
	 * `WP_Rewrite::$rewritereplace` і є rewritten to the query
	 * Variables listed in WP_Rewrite::$queryreplace.
	 *
	 * Additional tags can be added with add_rewrite_tag().
	 *
	 * @ Since 1.5.0
	 * @var string[]
	 */
	public $rewritecode = array(
		'%year%',
		'%monthnum%',
		'%day%',
		'%hour%',
		'%minute%',
		'%second%',
		'%postname%',
		'%post_id%',
		'%author%',
		'%pagename%',
		'%search%',
	);

	/**
	 * Regular expressions to be substituted in rewrite rules in place
	 * of rewrite tags, pozri WP_Rewrite::$rewritecode.
	 *
	 * @ Since 1.5.0
	 * @var string[]
	 */
	public $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, WP_Rewrite::$rewritecode.
	 *
	 * @ Since 1.5.0
	 * @var string[]
	 */
	public $queryreplace = array(
		'year=',
		'monthnum=',
		'day=',
		'hour=',
		'minute=',
		'second=',
		'name=',
		'p=',
		'author_name=',
		'pagename=',
		's=',
	);

	/**
	 * Supported default feeds.
	 *
	 * @ Since 1.5.0
	 * @var string[]
	 */
	public $feeds = array( 'feed', 'rdf', 'rss', 'rss2', 'atom');

	/**
	 * Determines whether permalinks are being used.
	 *
	 * Це може бути будь-яка перевірка module або permalink в HTTP query string.
	 *
	 * @ Since 1.5.0
	 *
	 * @return bool True, якщо permalinks є enabled.
	 */
	public function using_permalinks() {
		return! empty( $this->permalink_structure );
	}

	/**
	 * Визначення, які реєстратори будуть використовуватися і перевірити модуль не налаштований.
	 *
	 * Means that permalink links enabled and index.php is in the URL.
	 *
	 * @ Since 1.5.0
	 *
	 * @return bool Whether permalink links є enabled and index.php is in the URL.
	 */
	public function using_index_permalinks() {
		if ( empty( $this->permalink_structure ) ) {
			return false;
		}

		// Якщо index не є в розписці, ми використовуємо mod_rewrite.
		return preg_match( '#^/*' . $this->index . '#', $this->permalink_structure );
	}

	/**
	 * Визначення яких реєстраційних ресурсів є використовуваним і перевіреним module is enabled.
	 *
	 * За допомогою permalinks and index.php не в URL.
	 *
	 * @ Since 1.5.0
	 *
	 * @return bool Wether permalink links enabled and index.php is NOT in the URL.
	 */
	public function using_mod_rewrite_permalinks() {
		return $this->using_permalinks() && ! $this->using_index_permalinks();
	}

	/**
	 * Indexes for matches for usage in preg_*() functions.
	 *
	 * У форматі string є, з empty matches property value, '$NUM'.
	 * The 'NUM' will be replaced with the value in the $number parameter. With
	 * the matches property not empty, the value of returned string will
	 * contain that value of the matches property. The format then will be
	 * '$MATCHES[NUM]', з MATCHES як значення в межах, так і NUM the
	 * value of the $number parameter.
	 *
	 * @ Since 1.5.0
	 *
	 * @param int $number Index number.
	 * @return string
	 */
	public function preg_index( $number ) {
		$match_prefix = '$';
		$match_suffix = '';

		if ( ! empty( $this->matches ) ) {
			$match_prefix = '$'. $this->matches . '[';
			$match_suffix = ']';
		}

		return "$match_prefix$number$match_suffix";
	}

	/**
	 * Retrieves all page and attachments for pages URIs.
	 *
	 * Theattachments are for those that have pages as parents and will be
	 * Retrieved.
	 *
	 * @ Since 2.5.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @return array Список сторінок URIs як перший елемент і адаптація URIs як другий елемент.
	 */
	public function page_uri_index() {
		Global $wpdb;

		// Get pages in order of hierarchy, тобто children after parents.
		$pages = $wpdb->get_results( "SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'page' AND post_status != 'auto-draft'" );
		$posts = get_page_hierarchy($pages);

		// 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);
	}

	/**
	 * Retrieves all of rewrite rules for pages.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string[] Page rewrite rules.
	 */
	public function page_rewrite_rules() {
		// The extra.? at the beginning prevents clashes with інші регулярні expressions в rules array.
		$this->add_rewrite_tag( '%pagename%', '(.?.+?)', 'pagename=' );

		return $this->generate_rewrite_rules( $this->get_page_permastruct(), EP_PAGES, true, true, false, false );
	}

	/**
	 * Retrieves date permalink structure, with year, month, day.
	 *
	 * Структурна рамка для часу, якщо не налагоджена depends on the
	 * Permalink structure. Це може бути одним з трьох форматів. The first is year,
	 * month, day; the second is day, month, year; and the last format is month,
	 * day, year. Вони є злагоджені після розподільної структури для яких
	 * one is used. If none matches, then the default will be used, which is
	 * Year, month, day.
	 *
	 * Prevents post ID і time permalinks від overlapping. In the case of
	 * post_id, date permalink will be prepended with front permalink with
	 * 'date/' перед дійсним реєстраційним режимом до form the complete date permalink
	 * structure.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string|false Date permalink structure on success, false on failure.
	 */
	public function get_date_permastruct() {
		if ( isset( $this->date_structure ) ) {
			return $this->date_structure;
		}

		if ( empty( $this->permalink_structure ) ) {
			$this->date_structure = '';
			return false;
		}

		// Даний період часу повинен мати рік, місяць, і день 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. Якщо вони будуть, переміщувати дані tags до $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;
	}

	/**
	 * Retrieves year permalink structure без місяця і дня.
	 *
	 * Gets the date permalink structure and strips out the month and day
	 * Permalink structures.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string|false Year permalink structure on success, false on failure.
	 */
	public 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;
	}

	/**
	 * Від'єднати місяць продовження структури без дня і року.
	 *
	 * Gets the date permalink structure and strips out the day permalink
	 * structures. Keeps протягом року permalink structure.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string|false Year/Month permalink structure on success, false on failure.
	 */
	public 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;
	}

	/**
	 * Retrieves the day permalink structure with month and year.
	 *
	 * Keeps date permalink structure з all year, month, day.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string|false Year/Month/Day permalink structure on success, false on failure.
	 */
	public function get_day_permastruct() {
		return $this->get_date_permastruct();
	}

	/**
	 * Retrieves the permalink structure для категорії.
	 *
	 * If the category_base property has no value, then the category structure
	 * буде мати front property value, followed by 'category', and finally
	 * '%category%'. If it does, then root property will be used, along with
	 * the category_base property value.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string|false Category permalink structure on success, false on failure.
	 */
	public function get_category_permastruct() {
		return $this->get_extra_permastruct( 'category' );
	}

	/**
	 * Retrieve the permalink structure for tags.
	 *
	 * Якщо tag_base property не має значення, то tag structure буде
	 * the front property value, що випливає з 'tag', і final '%tag%'. If it
	 * does, then the root property will be used, along with the tag_base
	 * property value.
	 *
	 * @ Since 2.3.0
	 *
	 * @return string|false Tag permalink structure on success, false on failure.
	 */
	public function get_tag_permastruct() {
		return $this->get_extra_permastruct( 'post_tag' );
	}

	/**
	 * Retrieves an extra permalink structure by name.
	 *
	 * @ Since 2.5.0
	 *
	 * @param string $name Permalink structure name.
	 * @return string|false Permalink structure string on success, false on failure.
	 */
	public 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;
	}

	/**
	 * Retrieves 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
	 * безвідповіді до налаштування значення.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string|false Author permalink structure on success, false on failure.
	 */
	public 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;
	}

	/**
	 * Retrieves the search permalink structure.
	 *
	 * The permalink structure is root property, search base, і finally
	 * '/%search%'. Will set the search_structure property and then return it
	 * безвідповіді до налаштування значення.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string|false Search permalink structure on success, false on failure.
	 */
	public 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;
	}

	/**
	 * Retrieves the page permalink structure.
	 *
	 * Permalink structure is root property, and '%pagename%'. Will set the
	 * page_structure property and then return it withoutattemping to set the
	 * value again.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string|false Page permalink structure on success, false on failure.
	 */
	public 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;
	}

	/**
	 * Retrieves the feed permalink structure.
	 *
	 * The permalink structure is root property, feed base, і finally
	 * '/% feed%'. Will set the feed_structure property and then return it
	 * безвідповіді до налаштування значення.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string|false Feed permalink structure on success, false on failure.
	 */
	public 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;
	}

	/**
	 * Retrieves 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
	 *
	 * @return string|false Comment feed permalink structure on success, false on failure.
	 */
	public 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;
	}

	/**
	 * Adds або updates existing rewrite tags (eg %postname%).
	 *
	 * Якщо tag already exists, replace the existing pattern and query for
	 * that tag, іншіwise add the new tag.
	 *
	 * @ Since 1.5.0
	 *
	 * @see WP_Rewrite::$rewritecode
	 * @see WP_Rewrite::$rewritereplace
	 * @see WP_Rewrite::$queryreplace
	 *
	 * @param string $tag Name of the rewrite tag to add or update.
	 * @param string $regex Regular expression до substitute tag for in rewrite rules.
	 * @param string $query String append to the rewritten query. Must end in '='.
	 */
	public function add_rewrite_tag( $tag, $regex, $query ) {
		$position = array_search( $tag, $this->rewritecode, true );
		if ( false !== $position && null !== $position ) {
			$this->rewritereplace[ $position ] = $regex;
			$this->queryreplace[ $position ] = $query;
		} else {
			$this->rewritecode[] = $tag;
			$this->rewritereplace[] = $regex;
			$this->queryreplace[] = $query;
		}
	}


	/**
	 * Removes an existing rewrite tag.
	 *
	 * @ Since 4.5.0
	 *
	 * @see WP_Rewrite::$rewritecode
	 * @see WP_Rewrite::$rewritereplace
	 * @see WP_Rewrite::$queryreplace
	 *
	 * @param string $tag Name of the rewrite tag to remove.
	 */
	public function remove_rewrite_tag( $tag ) {
		$position = array_search( $tag, $this->rewritecode, true );
		if ( false !== $position && null !== $position ) {
			unset( $this->rewritecode[ $position ] );
			unset( $this->rewritereplace[ $position ] );
			unset( $this->queryreplace[ $position ] );
		}
	}

	/**
	 * Generates rewrite rules from a permalink structure.
	 *
	 * Головне WP_Rewrite функція для побудови 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
	 *
	 * @param string $permalink_structure Permalink structure.
	 * @param int $ep_mask Optional. Консультанти маски визначають, які кінцівки є прикріплені до структури.
	 * Accepts a mask of:
	 * - `EP_ALL`
	 * - `EP_NONE`
	 * - `EP_ALL_ARCHIVES`
	 * - `EP_ATTACHMENT`
	 * - `EP_AUTHORS`
	 * - `EP_CATEGORIES`
	 * - `EP_COMMENTS`
	 * - `EP_DATE`
	 * - `EP_DAY`
	 * - `EP_MONTH`
	 * - `EP_PAGES`
	 * - `EP_PERMALINK`
	 * - `EP_ROOT`
	 * - `EP_SEARCH`
	 * - `EP_TAGS`
	 * - `EP_YEAR`
	 * Default `EP_NONE`.
	 * @param bool $paged Optional. Всіархієві pagination rules повинні бути added for structure.
	 * Default true.
	 * @param bool $feed Optional Whether feed rewrite rules should be added for the structure.
	 * Default true.
	 * @param bool $forcomments Optional. Всі, що реєструються правила повинні бути потрібні для коментарів повідомлення.
	 * Default false.
	 * @param bool $walk_dirs Optional. Whether the 'directories' making up the structure should be walked
	 * over and rewrite rules built for each in-turn. Default true.
	 * @param bool $endpoints Optional. Всі інші пункти повинні бути використані для генерованих реверсних правил.
	 * Default true.
	 * @return string[] Array of rewrite rules keyed by their regex pattern.
	 */
	public 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 = $this->comments_pagination_base . '-([0-9]{1,})/?$';
		$embedregex = 'embed/?$';

		// Build up 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, але allow for nothing to appear there.
				$epmatch = $endpoint[1] . '(/(.*))?/?$';

				// Це буде appended on to rest of the query for each dir.
				$epquery = '&' . $endpoint[2] . '=';
				$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 (відомо, що said array ends up being в $tokens[0]).
		preg_match_all( '/%.+?%/', $permalink_structure, $tokens );

		$num_tokens = count($tokens[0]);

		$index = $this->index; // Probably 'index.php'.
		$feedindex = $index;
		$trackbackindex = $index;
		$embedindex = $index;

		/*
		 * Build a list from the rewritecode and queryreplace arrays, що буде здатися деяким
		 * like tagname=$matches[i] where i is the current $i.
		 */
		$queries = array();
		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 all 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 багато хто є в $num_toks.
			$num_toks = preg_match_all( '/%.+?%/', $struct, $toks );

			// Get the 'tagname=$matches[i]'.
			$query = ( !empty( $num_toks ) && isset( $queries[ $num_toks - 1 ] ) ) ? $queries[ $num_toks - 1 ] : '';

			// Set up $ep_mask_specific which is used to match more specific URL типів.
			switch ($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 );

			// Create query and regex for embeds.
			$embedmatch = $match . $embedregex;
			$embedquery = $embedindex . '?' . $query . '&embed=true';

			// If asked to, turn the feed queries in comment feed ones.
			if ( $forcomments ) {
				$feedquery .= '&withcomments=1';
				$feedquery2 .= '&withcomments=1';
			}

			// Start creating the array of rewrites for this dir.
			$ rewrite = array();

			// ... adding on /feed/ regexes => queries.
			if ($ feed) {
				$ rewrite = array(
					$feedmatch => $feedquery,
					$feedmatch2 => $feedquery2,
					$embedmatch => $embedquery,
				);
			}

			// ...і /page/xx ones.
			if ( $paged ) {
				$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 ) );
			} elseif ( 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 в this dir.
			if ( $num_toks ) {
				$post = false;
				$page = false;

				/*
				 * Check to see if this dir is permalink-level: ie 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 (рок, місяць, 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) {
					// Для custom post types, ми потрібні для того, щоб прийти до кінця як добре.
					foreach ( get_post_types( array( '_builtin' => false ) ) as $ptype ) {
						if ( strpos( $struct, "%$ptype%" ) !== false ) {
							$post = true;

							// Це для page style attachment URLs.
							$page = is_post_type_hierarchical( $ptype );
							break;
						}
					}
				}

				// Якщо створюють правила для покупки, до всіх кінців як додатків, etc.
				if ($post) {
					// Create query and regex for trackback.
					$trackbackmatch = $match. $trackbackregex;
					$trackbackquery = $trackbackindex. '?' . $query . '&tb=1';

					// Create query and regex for embeds.
					$embedmatch = $match . $embedregex;
					$embedquery = $embedindex . '?' . $query . '&embed=true';

					// 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 attachments, which use the form of <permalink>/some-text.
					$sub1 = $submatchbase . '/([^/]+)/';

					// Add trackback regex <permalink>/trackback/...
					$sub1tb = $sub1. $trackbackregex;

					// And <permalink>/feed/(atom|...)
					$sub1feed = $sub1 . $feedregex;

					// And <permalink>/(feed|atom...)
					$sub1feed2 = $sub1 . $feedregex2;

					// And <permalink>/comment-page-xx
					$sub1comment = $sub1 . $commentregex;

					// And <permalink>/embed/...
					$sub1embed = $sub1 . $embedregex;

					/*
					 * Add another rule to match attachments in the explicit form:
					 * <permalink>/attachment/some-text
					 */
					$sub2 = $submatchbase . '/attachment/([^/]+)/';

					// And add trackbacks <permalink>/attachment/trackback.
					$sub2tb = $sub2. $trackbackregex;

					// Feeds, <permalink>/attachment/feed/(atom|...)
					$sub2feed = $sub2. $feedregex;

					// And feeds again on to this <permalink>/attachment/(feed|atom...)
					$sub2feed2 = $sub2. $feedregex2;

					// And <permalink>/comment-page-xx
					$sub2comment = $sub2 . $commentregex;

					// And <permalink>/embed/...
					$sub2embed = $sub2 . $embedregex;

					// 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 );
					$subembedquery = $subquery . '&embed=true';

					// 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( 3 );
								$rewrite[ $sub2 . $regex] = $subquery. $ep[1]. $this->preg_index( 3 );
							}
						}
					}

					/*
					 * 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, і finally a $ so we
					 * match to the end of the URL
					 */
					$sub1 .= '?$';
					$sub2 .= '?$';

					/*
					 * Post pagination, eg <permalink>/2/
					 * Попередньо: '(/[0-9]+)?/?$', які виробляються '/2' для сторінки.
					 * When cast to int, returned 0.
					 */
					$match = $match. '(?:/([0-9]+))?/?$';
					$query = $index. '?' . $query . '&page=' . $this->preg_index( $num_toks + 1 );

					// Не рахуючи permalink so this is a lot simpler.
				} else {
					// Close the match and finalize the query.
					$match .= '?$';
					$query = $index. '?' . $query;
				}

				/*
				 * Create final array for this dir by joining the $rewrite array (which currently
				 * лише contains rules/queries for trackback, pages etc) до мого 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 embed.
					$ rewrite = array_merge (array ($ embedmatch => $ embedquery), $ rewrite);

					// Add regexes/queries for attachments, attachment trackbacks and so on.
					if ( ! $page ) {
						// Require <permalink>/attachment/stuff form для pages because of confusion with subpages.
						$rewrite = array_merge(
							$rewrite,
							array(
								$sub1 => $subquery,
								$sub1tb => $subtbquery,
								$sub1feed => $subfeedquery,
								$sub1feed2 => $subfeedquery,
								$sub1comment => $subcommentquery,
								$sub1embed => $subembedquery,
							)
						);
					}

					$rewrite = array_merge(
						array(
							$sub2 => $subquery,
							$sub2tb => $subtbquery,
							$sub2feed => $subfeedquery,
							$sub2feed2 => $subfeedquery,
							$sub2comment => $subcommentquery,
							$sub2embed => $subembedquery,
						),
						$rewrite
					);
				}
			}
			// Add the rules for this dir to the accumulating $post_rewrite.
			$post_rewrite = array_merge( $rewrite, $post_rewrite );
		}

		// The finished rules. phew!
		return $post_rewrite;
	}

	/**
	 * Generates rewrite rules with permalink structure і walking directory тільки.
	 *
	 * Shorten version of WP_Rewrite::generate_rewrite_rules() that allows for shorter
	 * list of parameters. See the method for longer description of what generating
	 * rewrite rules does.
	 *
	 * @ Since 1.5.0
	 *
	 * @see WP_Rewrite::generate_rewrite_rules() Натисніть на тривалий опис і остання параметри.
	 *
	 * @param string $permalink_structure Permalink structure для генерації правил.
	 * @param bool $walk_dirs Optional. Всі, щоб створити список повідомлень до переговорів.
	 * Default false.
	 * @return array
	 */
	public function generate_rewrite_rule( $permalink_structure, $walk_dirs = false ) {
		return $this->generate_rewrite_rules( $permalink_structure, EP_NONE, false, false, false, $walk_dirs );
	}

	/**
	 * Constructs rewrite matches and queries з permalink structure.
	 *
	 * Runs the action {@see 'generate_rewrite_rules'} with the parametr that is an
	 * reference to the current WP_Rewrite instance to further manipulate the
	 * Permalink structures and rewrite rules. Runs the {@see 'rewrite_rules_array'}
	 * Filter on the full rewrite rule array.
	 *
	 * Там є два способи, щоб поводитися повторювані правила, один з ходу в
	 * the {@see 'generate_rewrite_rules'} action and gaining full control of the
	 * object or just manipulating the rewrite rule array before it is passed
	 * від функції.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string[] An associative array of matches and queries.
	 */
	public function rewrite_rules() {
		$ rewrite = array();

		if ( empty( $this->permalink_structure ) ) {
			return $rewrite;
		}

		// robots.txt - тільки якщо 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();

		/ / favicon.ico - тільки якщо installed at the root.
		$favicon_rewrite = ( empty( $home_path['path'] ) || '/' === $home_path['path'] ) ? array( 'favicon.ico$' => $this->index . '?favicon=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';
		}

		// Deprecated.
		$registration_pages['.*wp-register.php$'] = $this->index . '?register=true';

		// Post rewrite rules.
		$post_rewrite = $this->generate_rewrite_rules( $this->permalink_structure, EP_PERMALINK );

		/**
		 * Filters rewrite rules використані для "post" архівів.
		 *
		 * @ Since 1.5.0
		 *
		 * @param string[] $post_rewrite Array of rewrite rules for posts, keyed by their regex pattern.
		 */
		$post_rewrite = apply_filters( 'post_rewrite_rules', $post_rewrite);

		// Date rewrite rules.
		$date_rewrite = $this->generate_rewrite_rules( $this->get_date_permastruct(), EP_DATE );

		/**
		 * Filters rewrite rules used для date archives.
		 *
		 * Likely date archives would include `/yyyy/`, `/yyyy/mm/`, and `/yyyy/mm/dd/`.
		 *
		 * @ Since 1.5.0
		 *
		 * @param string[] $date_rewrite Array of rewrite rules for date archives, keyed by their regex pattern.
		 */
		$date_rewrite = apply_filters( 'date_rewrite_rules', $date_rewrite );

		// Root-level rewrite rules.
		$root_rewrite = $this->generate_rewrite_rules( $this->root . '/', EP_ROOT );

		/**
		 * Filters rewrite rules used for root-level archives.
		 *
		 * Likely root-level archives would include pagination rules for the homepage
		 * as well as site-wide post feeds (eg `/feed/`, and `/feed/atom/`).
		 *
		 * @ Since 1.5.0
		 *
		 * @param string[] $root_rewrite Array of root-level rewrite rules, keyed by їх regex pattern.
		 */
		$root_rewrite = apply_filters( 'root_rewrite_rules', $root_rewrite );

		// Comments rewrite rules.
		$comments_rewrite = $this->generate_rewrite_rules( $this->root . $this->comments_base, EP_COMMENTS, false, true, true, false );

		/**
		 * Filters rewrite rules used for comment feed archives.
		 *
		 * Likely comments feed archives include `/comments/feed/` and `/comments/feed/atom/`.
		 *
		 * @ Since 1.5.0
		 *
		 * @param string[] $comments_rewrite Array of rewrite rules for site-wide comments feeds, keyed by their regex pattern.
		 */
		$comments_rewrite = apply_filters( 'comments_rewrite_rules', $comments_rewrite );

		// Search rewrite rules.
		$search_structure = $this->get_search_permastruct();
		$search_rewrite = $this->generate_rewrite_rules( $search_structure, EP_SEARCH );

		/**
		 * Filters rewrite rules використовуються для пошуку архівів.
		 *
		 * Likely search-related archives include `/search/search+query/` as well as
		 * pagination and feed paths for a search.
		 *
		 * @ Since 1.5.0
		 *
		 * @param string[] $search_rewrite Array of rewrite rules for search queries, keyed by their regex pattern.
		 */
		$search_rewrite = apply_filters( 'search_rewrite_rules', $search_rewrite );

		// Author rewrite rules.
		$author_rewrite = $this->generate_rewrite_rules( $this->get_author_permastruct(), EP_AUTHORS );

		/**
		 * Filters rewrite rules used для author archives.
		 *
		 * Likely author archives would include `/author/author-name/`, as well as
		 * pagination and feed paths for author archives.
		 *
		 * @ Since 1.5.0
		 *
		 * @param string[] $author_rewrite Array of rewrite rules for author archives, keyed by their regex pattern.
		 */
		$author_rewrite = apply_filters( 'author_rewrite_rules', $author_rewrite );

		// Pages rewrite rules.
		$page_rewrite = $this->page_rewrite_rules();

		/**
		 * Filters rewrite rules використовуються для "page" post type archives.
		 *
		 * @ Since 1.5.0
		 *
		 * @param string[] $page_rewrite Натисніть на список повідомлень правил для "page" post type, keyed by their regex pattern.
		 */
		$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 );
			}

			/**
			 * Filters rewrite rules використовуються для окремих розподільнихструктур.
			 *
			 * The dynamic portion of hook name, `$permastructname`, refers
			 * до name of the registered permastruct.
			 *
			 * Possible hook names include:
			 *
			 * - `category_rewrite_rules`
			 * - `post_format_rewrite_rules`
			 * - `post_tag_rewrite_rules`
			 *
			 * @ Since 3.1.0
			 *
			 * @param string[] $rules Array of rewrite rules generated for the current permastruct, keyed by their regex pattern.
			 */
			$rules = apply_filters( "{$permastructname}_rewrite_rules", $rules );

			if ( 'post_tag' === $permastructname ) {

				/**
				 * Filters rewrite rules використовуються спеціально для Tags.
				 *
				 * @ Since 2.3.0
				 * @deprecated 3.1.0 Use {@see 'post_tag_rewrite_rules'} instead.
				 *
				 * @param string[] $rules Array of rewrite rules generated for tags, keyed by their regex pattern.
				 */
				$rules = apply_filters_deprecated( 'tag_rewrite_rules', array( $rules ), '3.1.0', 'post_tag_rewrite_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, $favicon_rewrite, $deprecated_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite, $author_rewrite, $author_rewrite, $author_rewrite, >extra_rules);
		} else {
			$this->rules = array_merge( $this->extra_rules_top, $robots_rewrite, $favicon_rewrite, $deprecated_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite, $author_rewrite, $author_rewrite, $author_rewrite, >extra_rules);
		}

		/**
		 * Fires after the rewrite rules are generated.
		 *
		 * @ Since 1.5.0
		 *
		 * @param WP_Rewrite $wp_rewrite Current WP_Rewrite instance (passed by reference).
		 */
		do_action_ref_array( 'generate_rewrite_rules', array( &$this ) );

		/**
		 * Filters full set of generated rewrite rules.
		 *
		 * @ Since 1.5.0
		 *
		 * @param string[] $rules Compiled array of rewrite rules, keyed by їх regex pattern.
		 */
		$this->rules = apply_filters( 'rewrite_rules_array', $this->rules );

		return $this->rules;
	}

	/**
	 * Retrieves the rewrite rules.
	 *
	 * The difference між цим методом і WP_Rewrite::rewrite_rules() is that
	 * this method stores the rewrite rules в the 'rewrite_rules' option and retrieves
	 * it. Ці помилки мають процеси всіх повідомлень, щоб отримати rewrite rules
	 * in the form of caching.
	 *
	 * @ Since 1.5.0
	 *
	 * @return string[] Array of rewrite rules keyed by their regex pattern.
	 */
	public function wp_rewrite_rules() {
		$this->rules = get_option( 'rewrite_rules' );
		if ( empty( $this->rules ) ) {
			$this->matches = 'matches';
			$this->rewrite_rules();
			if ( ! did_action( 'wp_loaded' ) ) {
				add_action( 'wp_loaded', array( $this, 'flush_rules' ) );
				return $this->rules;
			}
			update_option( 'rewrite_rules', $this->rules );
		}

		return $this->rules;
	}

	/**
	 * Retrieves mod_rewrite-formatted rewrite rules to write to .htaccess.
	 *
	 * Does not actually write to the .htaccess file, але 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
	 *
	 * @return string
	 */
	public 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 Onn";
		$rules .= "RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]n";
		$rules .= "RewriteBase $home_rootn";

		// Prevent -f checks on index.php.
		$rules .= "RewriteRule ^index.php$ - [L]n";

		// Добавити в правила, що не обмежується WP's index.php (і це повинно бути схильне до WP at all).
		foreach ((array) $this->non_wp_rules as $match => $query ) {
			// Apache 1.3 не підтримує відповідного (неgreedy) modifier.
			$match = str_replace('.+?', '.+', $match);

			$rules .= 'RewriteRule^' . $match . ''. $home_root. $query . "[QSA, L]n";
		}

		if ( $this->use_verbose_rules ) {
			$this->matches = '';
			$rewrite = $this->rewrite_rules();
			$num_rules = count ($ rewrite);
			$rules .= "RewriteCond %{REQUEST_FILENAME} -f [OR]n" .
				"RewriteCond %{REQUEST_FILENAME} -dn" .
				"RewriteRule ^.*$ - [S=$num_rules]n";

			foreach ((array) $rewrite as $match => $query) {
				// Apache 1.3 не підтримує відповідного (неgreedy) modifier.
				$match = str_replace('.+?', '.+', $match);

				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 {
			$rules .= "RewriteCond %{REQUEST_FILENAME} !-fn" ​​.
				"RewriteCond %{REQUEST_FILENAME} !-dn" .
				"RewriteRule . {$home_root}{$this->index} [L]n";
		}

		$rules .= "</IfModule>n";

		/**
		 * Filters List of rewrite rules formatted for output to .htaccess file.
		 *
		 * @ Since 1.5.0
		 *
		 * @param string $rules mod_rewrite Rewrite rules formatted for .htaccess.
		 */
		$rules = apply_filters( 'mod_rewrite_rules', $rules );

		/**
		 * Filters List of rewrite rules formatted for output to .htaccess file.
		 *
		 * @ Since 1.5.0
		 * @deprecated 1.5.0 Use the {@see 'mod_rewrite_rules'} filter instead.
		 *
		 * @param string $rules mod_rewrite Rewrite rules formatted for .htaccess.
		 */
		return apply_filters_deprecated( 'rewrite_rules', array( $rules ), '1.5.0', 'mod_rewrite_rules' );
	}

	/**
	 * Retrieves IIS7 URL Rewrite formatted rewrite rules to write to web.config file.
	 *
	 * Does not actually write to the web.config file, але creates the rules for
	 * the process that will.
	 *
	 * @ Since 2.8.0
	 *
	 * @param bool $add_parent_tags Optional. Будь-яка до add parent tags до rewrite rule sets.
	 * Default false.
	 * @return string IIS7 URL rewrite rule sets.
	 */
	public 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: ' . esc_attr( home_url() ) . '" 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>';
		}

		/**
		 * Filters List of rewrite rules formatted for output to a web.config.
		 *
		 * @ Since 2.8.0
		 *
		 * @param string $rules Rewrite rules formatted for IIS web.config.
		 */
		return apply_filters( 'iis7_url_rewrite_rules', $rules );
	}

	/**
	 * Adds a rewrite rule that transforms a URL structure to set of query vars.
	 *
	 * Any value in the $after parameter that isn't 'bottom' will result in the rule
	 * being placed at the top of the rewrite rules.
	 *
	 * @ Since 2.1.0
	 * @since 4.4.0 Array support був added to the `$query` parameter.
	 *
	 * @param string $regex Regular expression to match request against.
	 * @param string|array $query Відповідні потрібні Vars for this rewrite rule.
	 * @param string $after Optional. Priority of the new rule. Accepts 'top'
	 * or 'bottom'. Default 'bottom'.
	 */
	public function add_rule( $regex, $query, $after = 'bottom' ) {
		if ( is_array ( $ query ) ) {
			$external = false;
			$query = add_query_arg( $query, 'index.php' );
		} else {
			$index = false === strpos( $query, '?' ) ? strlen($query): strpos($query, '?');
			$ front = substr ($ query, 0, $ index);

			$external = $front! = $this->index;
		}

		// "external" = це не відповідає index.php.
		if ($external) {
			$this->add_external_rule( $regex, $query );
		} else {
			if ( 'bottom' === $after ) {
				$this->extra_rules = array_merge( $this->extra_rules, array( $regex => $query ) );
			} else {
				$this->extra_rules_top = array_merge( $this->extra_rules_top, array( $regex => $query ) );
			}
		}
	}

	/**
	 * Adds a rewrite rule, що не відповідає index.php.
	 *
	 * @ Since 2.1.0
	 *
	 * @param string $regex Regular expression to match request against.
	 * @param string $query Відповідні потрібні Vars for this rewrite rule.
	 */
	public function add_external_rule( $regex, $query ) {
		$this->non_wp_rules[ $regex ] = $query;
	}

	/**
	 * Adds an endpoint, як /trackback/.
	 *
	 * @ Since 2.1.0
	 * @since 3.9.0 $query_var parameter added.
	 * @since 4.3.0 Added support for skipping query var registration passing `false` to `$query_var`.
	 *
	 * @see add_rewrite_endpoint() for full documentation.
	 * @global WP $wp Current WordPress environment instance.
	 *
	 * @param string $name Name of the endpoint.
	 * @param int $places Endpoint mask, де беруть участь місця, щоб endpoint повинні бути приєднані.
	 * Accepts a mask of:
	 * - `EP_ALL`
	 * - `EP_NONE`
	 * - `EP_ALL_ARCHIVES`
	 * - `EP_ATTACHMENT`
	 * - `EP_AUTHORS`
	 * - `EP_CATEGORIES`
	 * - `EP_COMMENTS`
	 * - `EP_DATE`
	 * - `EP_DAY`
	 * - `EP_MONTH`
	 * - `EP_PAGES`
	 * - `EP_PERMALINK`
	 * - `EP_ROOT`
	 * - `EP_SEARCH`
	 * - `EP_TAGS`
	 * - `EP_YEAR`
	 * @param string|bool $query_var Optional. Name of the corresponding query variable. Pass `false` to
	 * skip registering a query_var для цього кінця. Defaults to the
	 * value of `$name`.
	 */
	public function add_endpoint( $name, $places, $query_var = true ) {
		global $wp;

		// Для backward compatibility, якщо null не explicitly been passed як $query_var, assume true.
		if ( true === $query_var || null === $query_var ) {
			$query_var = $name;
		}
		$this->endpoints[] = array( $places, $name, $query_var );

		if ( $query_var ) {
			$wp->add_query_var( $query_var );
		}
	}

	/**
	 * Adds a new permalink structure.
	 *
	 * A permalink structure (permastruct) є abstract definition of set of rewrite rules;
	 * it is easy way of expressing set of regular expressions that rewrite to a set of
	 * Query strings. New permastruct is added to the WP_Rewrite::$extra_permastructs array.
	 *
	 * When the rewrite rules are built by WP_Rewrite::rewrite_rules(), all of these extra
	 * Permastructs are passed to WP_Rewrite::generate_rewrite_rules() which transforms them
	 * Врегульовані вирази, що багато love to hate.
	 *
	 * The `$args` parameter дає вам control over how WP_Rewrite::generate_rewrite_rules()
	 * works on the new permastruct.
	 *
	 * @ Since 2.5.0
	 *
	 * @param string $name Name for permalink structure.
	 * @param string $struct Permalink structure (eg category/%category%)
	 * @param array $args {
	 * Optional. Arguments for building rewrite rules базується на структурі структури.
	 * Default empty array.
	 *
	 * @type bool $with_front Whether structure should be prepended with `WP_Rewrite::$front`.
	 * Default true.
	 * @type int $ep_mask endpoint mask визначати, які endpoints є added to structure.
	 * Accepts a mask of:
	 * - `EP_ALL`
	 * - `EP_NONE`
	 * - `EP_ALL_ARCHIVES`
	 * - `EP_ATTACHMENT`
	 * - `EP_AUTHORS`
	 * - `EP_CATEGORIES`
	 * - `EP_COMMENTS`
	 * - `EP_DATE`
	 * - `EP_DAY`
	 * - `EP_MONTH`
	 * - `EP_PAGES`
	 * - `EP_PERMALINK`
	 * - `EP_ROOT`
	 * - `EP_SEARCH`
	 * - `EP_TAGS`
	 * - `EP_YEAR`
	 * Default `EP_NONE`.
	 * @type bool $paged Whether archive pagination rules should be added for the structure.
	 * Default true.
	 * @type bool $feed Whether feed rewrite rules should be added for the structure. Default true.
	 * @type bool $forcomments Whether feed rules повинні бути для пошуку для коментарів повідомлення. Default false.
	 * @type bool $walk_dirs Whether the 'directories' making up the structure should be walked over
	 * and rewrite rules built for each in-turn. Default true.
	 * @type bool $endpoints Whether endpoints повинні бути використані для генерованих правил. Default true.
	 * }
	 */
	public function add_permastruct( $name, $struct, $args = array() ) {
		// Back-compat 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;
	}

	/**
	 * Removes a permalink structure.
	 *
	 * @ Since 4.5.0
	 *
	 * @param string $name Name for permalink structure.
	 */
	public function remove_permastruct( $name ) {
		unset( $this->extra_permastructs[ $name ] );
	}

	/**
	 * Removes rewrite rules and then recreate rewrite rules.
	 *
	 * Calls WP_Rewrite::wp_rewrite_rules() after removing the 'rewrite_rules' option.
	 * Якщо функція називається 'save_mod_rewrite_rules' exists, it will be called.
	 *
	 * @ Since 2.0.1
	 *
	 * @param bool $hard Whether to update .htaccess (hard flush) або just update rewrite_rules option (soft flush). Default is true (hard).
	 */
	public function flush_rules( $hard = true ) {
		static $do_hard_later = null;

		// Prevent this action from running before everyone має registered їх rewrites.
		if ( ! did_action( 'wp_loaded' ) ) {
			add_action( 'wp_loaded', array( $this, 'flush_rules' ) );
			$ do_hard_later = ( isset ( $ do_hard_later ) ) ? $do_hard_later || $hard: $hard;
			return;
		}

		if ( isset ( $ do_hard_later ) ) {
			$hard = $do_hard_later;
			unset ($ do_hard_later);
		}

		update_option( 'rewrite_rules', '');
		$this->wp_rewrite_rules();

		/**
		 * Filters whether a "hard" rewrite rule flush should be performed when requested.
		 *
		 * A "hard" flush updates .htaccess (Apache) або web.config (IIS).
		 *
		 * @ Since 3.7.0
		 *
		 * @param bool $hard Whether до flush rewrite rules "hard". Default true.
		 */
		if ( ! $hard || ! apply_filters( 'flush_rewrite_rules_hard', true ) ) {
			return;
		}
		if ( function_exists( 'save_mod_rewrite_rules' ) ) {
			save_mod_rewrite_rules();
		}
		if ( 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%', або '%author%'.
	 *
	 * @ Since 1.5.0
	 */
	public function init() {
		$this->extra_rules = array();
		$this->non_wp_rules = array();
		$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 ) );

		// Досвідчені загальні правила для сторінок, якщо розподільча структура не з'являється з wildcard.
		if ( preg_match( '/^[^%]*%(?:postname|category|tag|author)%/', $this->permalink_structure ) ) {
			$this->use_verbose_page_rules = true;
		} else {
			$this->use_verbose_page_rules = false;
		}
	}

	/**
	 * Sets the main permalink structure для the site.
	 *
	 * Will update the 'permalink_structure' option, if there is a difference
	 * між поточною рамкою структури і параметром значення. Calls
	 * WP_Rewrite::init() Після того, як option updated.
	 *
	 * Fires the {@see 'permalink_structure_changed'} action once the init call has
	 * processed passing the old and new values
	 *
	 * @ Since 1.5.0
	 *
	 * @param string $permalink_structure Permalink structure.
	 */
	public 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();

			/**
			 * Fires after the permalink structure is updated.
			 *
			 * @ Since 2.8.0
			 *
			 * @param string $old_permalink_structure The previous permalink structure.
			 * @param string $permalink_structure New permalink structure.
			 */
			do_action( 'permalink_structure_changed', $old_permalink_structure, $permalink_structure );
		}
	}

	/**
	 * Набір категорій основи для категорії permalink.
	 *
	 * Will update the 'category_base' option, if there is a difference between
	 * the current category base and the parametr value. Calls WP_Rewrite::init()
	 * after the option is updated.
	 *
	 * @ Since 1.5.0
	 *
	 * @param string $category_base Category permalink structure base.
	 */
	public function set_category_base( $category_base ) {
		if ( get_option( 'category_base' ) !== $category_base ) {
			update_option('category_base', $category_base);
			$this->init();
		}
	}

	/**
	 * Sets tag base for tag permalink.
	 *
	 * Will update the 'tag_base' option, if there is a difference between the
	 * current tag base and the parametr value. Calls WP_Rewrite::init() after
	 * the option is updated.
	 *
	 * @ Since 2.3.0
	 *
	 * @param string $tag_base Tag permalink structure base.
	 */
	public function set_tag_base( $tag_base ) {
		if ( get_option( 'tag_base' ) !== $tag_base ) {
			update_option('tag_base', $tag_base);
			$this->init();
		}
	}

	/**
	 * Constructor - Calls init(), які runs setup.
	 *
	 * @ Since 1.5.0
	 */
	public function __construct() {
		$this->init();
	}
}

Зв’язані функції

Rewrite (ЧПУ перезапис)

Класи