Title: Rewrite | Developer.WordPress.org --- # @package: Rewrite * method[WP_Rewrite::refresh_rewrite_rules()](https://developer.wordpress.org/reference/classes/wp_rewrite/refresh_rewrite_rules/) * Refreshes the rewrite rules, saving the fresh value to the database. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/refresh_rewrite_rules/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/refresh_rewrite_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1509](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1509-L1524) * method[WP_Rewrite::remove_permastruct()](https://developer.wordpress.org/reference/classes/wp_rewrite/remove_permastruct/) * Removes a permalink structure. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_rewrite/remove_permastruct/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/remove_permastruct/#uses) | Source: [wp-includes/class-wp-rewrite.php:1859](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1859-L1861) * method[WP_Rewrite::remove_rewrite_tag()](https://developer.wordpress.org/reference/classes/wp_rewrite/remove_rewrite_tag/) * Removes an existing rewrite tag. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_rewrite/remove_rewrite_tag/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/remove_rewrite_tag/#uses) | Source: [wp-includes/class-wp-rewrite.php:824](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L824-L831) * function[remove_rewrite_tag()](https://developer.wordpress.org/reference/functions/remove_rewrite_tag/) * Removes an existing rewrite tag (like %postname%). * Used by [2 functions](https://developer.wordpress.org/reference/functions/remove_rewrite_tag/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/remove_rewrite_tag/#uses) | Source: [wp-includes/rewrite.php:188](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/rewrite.php#L188-L191) * function[remove_permastruct()](https://developer.wordpress.org/reference/functions/remove_permastruct/) * Removes a permalink structure. * Used by [2 functions](https://developer.wordpress.org/reference/functions/remove_permastruct/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/remove_permastruct/#uses) | Source: [wp-includes/rewrite.php:234](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/rewrite.php#L234-L238) * function[wp_resolve_numeric_slug_conflicts()](https://developer.wordpress.org/reference/functions/wp_resolve_numeric_slug_conflicts/) * Resolves numeric slugs that collide with date permalinks. * Used by [2 functions](https://developer.wordpress.org/reference/functions/wp_resolve_numeric_slug_conflicts/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/wp_resolve_numeric_slug_conflicts/#uses) | Source: [wp-includes/rewrite.php:381](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/rewrite.php#L381-L475) * method[WP_Rewrite::init()](https://developer.wordpress.org/reference/classes/wp_rewrite/init/) * Sets up the object’s properties. * Used by [5 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/init/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/init/#uses) | Source: [wp-includes/class-wp-rewrite.php:1919](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1919-L1946) * method[WP_Rewrite::set_permalink_structure()](https://developer.wordpress.org/reference/classes/wp_rewrite/set_permalink_structure/) * Sets the main permalink structure for the site. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/set_permalink_structure/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/set_permalink_structure/#uses) | Source: [wp-includes/class-wp-rewrite.php:1962](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1962-L1979) * hook[permalink_structure_changed](https://developer.wordpress.org/reference/hooks/permalink_structure_changed/) * Fires after the permalink structure is updated. * Used by [1 function](https://developer.wordpress.org/reference/hooks/permalink_structure_changed/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/permalink_structure_changed/#uses) | Source: [wp-includes/class-wp-rewrite.php:1977](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1977-L1977) * method[WP_Rewrite::set_category_base()](https://developer.wordpress.org/reference/classes/wp_rewrite/set_category_base/) * Sets the category base for the category permalink. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/set_category_base/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/set_category_base/#uses) | Source: [wp-includes/class-wp-rewrite.php:1992](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1992-L1997) * method[WP_Rewrite::set_tag_base()](https://developer.wordpress.org/reference/classes/wp_rewrite/set_tag_base/) * Sets the tag base for the tag permalink. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/set_tag_base/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/set_tag_base/#uses) | Source: [wp-includes/class-wp-rewrite.php:2010](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L2010-L2015) * method[WP_Rewrite::__construct()](https://developer.wordpress.org/reference/classes/wp_rewrite/__construct/) * Constructor – Calls init(), which runs setup. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/__construct/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_rewrite/__construct/#uses) | Source: [wp-includes/class-wp-rewrite.php:2022](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L2022-L2024) * hook[flush_rewrite_rules_hard](https://developer.wordpress.org/reference/hooks/flush_rewrite_rules_hard/) * Filters whether a “hard” rewrite rule flush should be performed when requested. * Used by [1 function](https://developer.wordpress.org/reference/hooks/flush_rewrite_rules_hard/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/flush_rewrite_rules_hard/#uses) | Source: [wp-includes/class-wp-rewrite.php:1899](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1899-L1899) * hook[mod_rewrite_rules](https://developer.wordpress.org/reference/hooks/mod_rewrite_rules/) * Filters the list of rewrite rules formatted for output to an .htaccess file. * Used by [1 function](https://developer.wordpress.org/reference/hooks/mod_rewrite_rules/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/mod_rewrite_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1605](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1605-L1605) * hook[rewrite_rules](https://developer.wordpress.org/reference/hooks/rewrite_rules/) * Filters the list of rewrite rules formatted for output to an .htaccess file. * Used by [1 function](https://developer.wordpress.org/reference/hooks/rewrite_rules/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/rewrite_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1615](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1615-L1615) * method[WP_Rewrite::iis7_url_rewrite_rules()](https://developer.wordpress.org/reference/classes/wp_rewrite/iis7_url_rewrite_rules/) * Retrieves IIS7 URL Rewrite formatted rewrite rules to write to web.config file. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_rewrite/iis7_url_rewrite_rules/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/iis7_url_rewrite_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1630](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1630-L1668) * hook[iis7_url_rewrite_rules](https://developer.wordpress.org/reference/hooks/iis7_url_rewrite_rules/) * Filters the list of rewrite rules formatted for output to a web.config. * Used by [1 function](https://developer.wordpress.org/reference/hooks/iis7_url_rewrite_rules/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/iis7_url_rewrite_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1667](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1667-L1667) * method[WP_Rewrite::add_rule()](https://developer.wordpress.org/reference/classes/wp_rewrite/add_rule/) * Adds a rewrite rule that transforms a URL structure to a set of query vars. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_rewrite/add_rule/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/add_rule/#uses) | Source: [wp-includes/class-wp-rewrite.php:1684](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1684-L1705) * method[WP_Rewrite::add_external_rule()](https://developer.wordpress.org/reference/classes/wp_rewrite/add_external_rule/) * Adds a rewrite rule that doesn’t correspond to index.php. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_rewrite/add_external_rule/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/add_external_rule/#uses) | Source: [wp-includes/class-wp-rewrite.php:1715](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1715-L1717) * hook[tag_rewrite_rules](https://developer.wordpress.org/reference/hooks/tag_rewrite_rules/) * Filters rewrite rules used specifically for Tags. * Used by [1 function](https://developer.wordpress.org/reference/hooks/tag_rewrite_rules/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/tag_rewrite_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1447](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1447-L1447) * method[WP_Rewrite::add_endpoint()](https://developer.wordpress.org/reference/classes/wp_rewrite/add_endpoint/) * Adds an endpoint, like /trackback/. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_rewrite/add_endpoint/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_rewrite/add_endpoint/#uses) | Source: [wp-includes/class-wp-rewrite.php:1752](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1752-L1764) * hook[generate_rewrite_rules](https://developer.wordpress.org/reference/hooks/generate_rewrite_rules/) * Fires after the rewrite rules are generated. * Used by [1 function](https://developer.wordpress.org/reference/hooks/generate_rewrite_rules/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/generate_rewrite_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1467](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1467-L1467) * method[WP_Rewrite::add_permastruct()](https://developer.wordpress.org/reference/classes/wp_rewrite/add_permastruct/) * Adds a new permalink structure. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_rewrite/add_permastruct/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_rewrite/add_permastruct/#uses) | Source: [wp-includes/class-wp-rewrite.php:1818](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1818-L1850) * hook[rewrite_rules_array](https://developer.wordpress.org/reference/hooks/rewrite_rules_array/) * Filters the full set of generated rewrite rules. * Used by [1 function](https://developer.wordpress.org/reference/hooks/rewrite_rules_array/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/rewrite_rules_array/#uses) | Source: [wp-includes/class-wp-rewrite.php:1476](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1476-L1476) * method[WP_Rewrite::flush_rules()](https://developer.wordpress.org/reference/classes/wp_rewrite/flush_rules/) * Removes rewrite rules and then recreate rewrite rules. * Used by [3 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/flush_rules/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/flush_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1873](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1873-L1908) * method[WP_Rewrite::wp_rewrite_rules()](https://developer.wordpress.org/reference/classes/wp_rewrite/wp_rewrite_rules/) * Retrieves the rewrite rules. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/wp_rewrite_rules/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/wp_rewrite_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1493](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1493-L1500) * method[WP_Rewrite::mod_rewrite_rules()](https://developer.wordpress.org/reference/classes/wp_rewrite/mod_rewrite_rules/) * Retrieves mod_rewrite-formatted rewrite rules to write to .htaccess. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_rewrite/mod_rewrite_rules/#used-by) | Uses [7 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/mod_rewrite_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1539](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1539-L1616) * hook[root_rewrite_rules](https://developer.wordpress.org/reference/hooks/root_rewrite_rules/) * Filters rewrite rules used for root-level archives. * Used by [1 function](https://developer.wordpress.org/reference/hooks/root_rewrite_rules/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/root_rewrite_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1348](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1348-L1348) * hook[comments_rewrite_rules](https://developer.wordpress.org/reference/hooks/comments_rewrite_rules/) * Filters rewrite rules used for comment feed archives. * Used by [1 function](https://developer.wordpress.org/reference/hooks/comments_rewrite_rules/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/comments_rewrite_rules/#uses) | Source: [wp-includes/class-wp-rewrite.php:1362](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L1362-L1362) * method[WP_Rewrite::get_page_permastruct()](https://developer.wordpress.org/reference/classes/wp_rewrite/get_page_permastruct/) * Retrieves the page permalink structure. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/get_page_permastruct/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_rewrite/get_page_permastruct/#uses) | Source: [wp-includes/class-wp-rewrite.php:717](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-rewrite.php#L717-L730) 1 [2](https://developer.wordpress.org/reference/package/rewrite/page/2/?output_format=md) [3](https://developer.wordpress.org/reference/package/rewrite/page/3/?output_format=md) [Next Page](https://developer.wordpress.org/reference/package/rewrite/page/2/?output_format=md)