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Name	Size	Permission
ID3	[ DIR ]	drwxr-xr-x
IXR	[ DIR ]	drwxr-xr-x
PHPMailer	[ DIR ]	drwxr-xr-x
Requests	[ DIR ]	drwxr-xr-x
SimplePie	[ DIR ]	drwxr-xr-x
Text	[ DIR ]	drwxr-xr-x
abilities-api	[ DIR ]	drwxr-xr-x
ai-client	[ DIR ]	drwxr-xr-x
assets	[ DIR ]	drwxr-xr-x
block-bindings	[ DIR ]	drwxr-xr-x
block-patterns	[ DIR ]	drwxr-xr-x
block-supports	[ DIR ]	drwxr-xr-x
blocks	[ DIR ]	drwxr-xr-x
build	[ DIR ]	drwxr-xr-x
certificates	[ DIR ]	drwxr-xr-x
css	[ DIR ]	drwxr-xr-x
customize	[ DIR ]	drwxr-xr-x
fonts	[ DIR ]	drwxr-xr-x
html-api	[ DIR ]	drwxr-xr-x
images	[ DIR ]	drwxr-xr-x
interactivity-api	[ DIR ]	drwxr-xr-x
js	[ DIR ]	drwxr-xr-x
l10n	[ DIR ]	drwxr-xr-x
php-ai-client	[ DIR ]	drwxr-xr-x
php-compat	[ DIR ]	drwxr-xr-x
pomo	[ DIR ]	drwxr-xr-x
product-images	[ DIR ]	drwxr-xr-x
rest-api	[ DIR ]	drwxr-xr-x
sitemaps	[ DIR ]	drwxr-xr-x
sodium_compat	[ DIR ]	drwxr-xr-x
style-engine	[ DIR ]	drwxr-xr-x
theme-compat	[ DIR ]	drwxr-xr-x
widgets	[ DIR ]	drwxr-xr-x
.htaccess	178 B	-rw-r--r--
abilities-api.php	32.03 KB	-rw-r--r--
abilities.php	11.52 KB	-rw-r--r--
admin-bar.php	39.13 KB	-rw-r--r--
ai-client.php	2.49 KB	-rw-r--r--
atomlib.php	11.9 KB	-rw-r--r--
author-template.php	19.38 KB	-rw-r--r--
block-bindings.php	7.45 KB	-rw-r--r--
block-editor.php	28.05 KB	-rw-r--r--
block-i18n.json	316 B	-rw-r--r--
block-patterns.php	15.24 KB	-rw-r--r--
block-template-utils.php	61.99 KB	-rw-r--r--
block-template.php	17.83 KB	-rw-r--r--
blocks.php	121.29 KB	-rw-r--r--
bookmark-template.php	12.47 KB	-rw-r--r--
bookmark.php	15.07 KB	-rw-r--r--
cache-compat.php	10.76 KB	-rw-r--r--
cache.php	13.17 KB	-rw-r--r--
canonical.php	33.97 KB	-rw-r--r--
capabilities.php	42.56 KB	-rw-r--r--
category-template.php	55.65 KB	-rw-r--r--
category.php	12.53 KB	-rw-r--r--
class-IXR.php	2.55 KB	-rw-r--r--
class-avif-info.php	29.3 KB	-rw-r--r--
class-feed.php	539 B	-rw-r--r--
class-http.php	367 B	-rw-r--r--
class-json.php	42.65 KB	-rw-r--r--
class-oembed.php	401 B	-rw-r--r--
class-phpass.php	6.61 KB	-rw-r--r--
class-phpmailer.php	664 B	-rw-r--r--
class-pop3.php	20.61 KB	-rw-r--r--
class-requests.php	2.18 KB	-rw-r--r--
class-simplepie.php	453 B	-rw-r--r--
class-smtp.php	457 B	-rw-r--r--
class-snoopy.php	36.83 KB	-rw-r--r--
class-walker-category-dropdown...	2.41 KB	-rw-r--r--
class-walker-category.php	8.28 KB	-rw-r--r--
class-walker-comment.php	13.89 KB	-rw-r--r--
class-walker-nav-menu.php	11.76 KB	-rw-r--r--
class-walker-page-dropdown.php	2.65 KB	-rw-r--r--
class-walker-page.php	7.43 KB	-rw-r--r--
class-wp-admin-bar.php	17.58 KB	-rw-r--r--
class-wp-ajax-response.php	5.16 KB	-rw-r--r--
class-wp-application-passwords...	16.7 KB	-rw-r--r--
class-wp-block-bindings-regist...	8.07 KB	-rw-r--r--
class-wp-block-bindings-source...	2.92 KB	-rw-r--r--
class-wp-block-editor-context....	1.32 KB	-rw-r--r--
class-wp-block-list.php	4.6 KB	-rw-r--r--
class-wp-block-metadata-regist...	11.57 KB	-rw-r--r--
class-wp-block-parser-block.ph...	2.5 KB	-rw-r--r--
class-wp-block-parser-frame.ph...	1.95 KB	-rw-r--r--
class-wp-block-parser.php	11.25 KB	-rw-r--r--
class-wp-block-pattern-categor...	4.28 KB	-rw-r--r--
class-wp-block-patterns-regist...	10.02 KB	-rw-r--r--
class-wp-block-processor.php	68.28 KB	-rw-r--r--
class-wp-block-styles-registry...	6.27 KB	-rw-r--r--
class-wp-block-supports.php	7.4 KB	-rw-r--r--
class-wp-block-template.php	2.06 KB	-rw-r--r--
class-wp-block-templates-regis...	6.91 KB	-rw-r--r--
class-wp-block-type-registry.p...	5.18 KB	-rw-r--r--
class-wp-block-type.php	16.82 KB	-rw-r--r--
class-wp-block.php	27.57 KB	-rw-r--r--
class-wp-classic-to-block-menu...	3.93 KB	-rw-r--r--
class-wp-comment-query.php	47.89 KB	-rw-r--r--
class-wp-comment.php	16.84 KB	-rw-r--r--
class-wp-connector-registry.ph...	14.83 KB	-rw-r--r--
class-wp-customize-control.php	25.5 KB	-rw-r--r--
class-wp-customize-manager.php	198.15 KB	-rw-r--r--
class-wp-customize-nav-menus.p...	56.67 KB	-rw-r--r--
class-wp-customize-panel.php	10.45 KB	-rw-r--r--
class-wp-customize-section.php	10.95 KB	-rw-r--r--
class-wp-customize-setting.php	29.25 KB	-rw-r--r--
class-wp-customize-widgets.php	70.89 KB	-rw-r--r--
class-wp-date-query.php	35.13 KB	-rw-r--r--
class-wp-dependencies.php	16.69 KB	-rw-r--r--
class-wp-dependency.php	2.59 KB	-rw-r--r--
class-wp-duotone.php	39.88 KB	-rw-r--r--
class-wp-editor.php	70.54 KB	-rw-r--r--
class-wp-embed.php	15.54 KB	-rw-r--r--
class-wp-error.php	7.34 KB	-rw-r--r--
class-wp-exception.php	253 B	-rw-r--r--
class-wp-fatal-error-handler.p...	7.96 KB	-rw-r--r--
class-wp-feed-cache-transient....	3.23 KB	-rw-r--r--
class-wp-feed-cache.php	969 B	-rw-r--r--
class-wp-filter-sentinel.php	760 B	-rw-r--r--
class-wp-hook.php	17.17 KB	-rw-r--r--
class-wp-http-cookie.php	7.1 KB	-rw-r--r--
class-wp-http-curl.php	12.95 KB	-rw-r--r--
class-wp-http-encoding.php	6.53 KB	-rw-r--r--
class-wp-http-ixr-client.php	3.43 KB	-rw-r--r--
class-wp-http-proxy.php	5.84 KB	-rw-r--r--
class-wp-http-requests-hooks.p...	1.97 KB	-rw-r--r--
class-wp-http-requests-respons...	4.14 KB	-rw-r--r--
class-wp-http-response.php	2.91 KB	-rw-r--r--
class-wp-http-streams.php	16.37 KB	-rw-r--r--
class-wp-http.php	40.67 KB	-rw-r--r--
class-wp-icon-collections-regi...	5.67 KB	-rw-r--r--
class-wp-icons-registry.php	9.67 KB	-rw-r--r--
class-wp-image-editor-gd.php	20.25 KB	-rw-r--r--
class-wp-image-editor-imagick....	42.44 KB	-rw-r--r--
class-wp-image-editor.php	17.05 KB	-rw-r--r--
class-wp-list-util.php	7.27 KB	-rw-r--r--
class-wp-locale-switcher.php	6.62 KB	-rw-r--r--
class-wp-locale.php	16.45 KB	-rw-r--r--
class-wp-matchesmapregex.php	1.79 KB	-rw-r--r--
class-wp-meta-query.php	29.79 KB	-rw-r--r--
class-wp-metadata-lazyloader.p...	6.67 KB	-rw-r--r--
class-wp-navigation-fallback.p...	8.98 KB	-rw-r--r--
class-wp-network-query.php	19.52 KB	-rw-r--r--
class-wp-network.php	12.12 KB	-rw-r--r--
class-wp-object-cache.php	17.11 KB	-rw-r--r--
class-wp-oembed-controller.php	6.74 KB	-rw-r--r--
class-wp-oembed.php	33.57 KB	-rw-r--r--
class-wp-paused-extensions-sto...	4.95 KB	-rw-r--r--
class-wp-phpmailer.php	4.25 KB	-rw-r--r--
class-wp-plugin-dependencies.p...	24.62 KB	-rw-r--r--
class-wp-post-type.php	29.95 KB	-rw-r--r--
class-wp-post.php	8.6 KB	-rw-r--r--
class-wp-query.php	160.3 KB	-rw-r--r--
class-wp-recovery-mode-cookie-...	6.72 KB	-rw-r--r--
class-wp-recovery-mode-email-s...	10.9 KB	-rw-r--r--
class-wp-recovery-mode-key-ser...	4.8 KB	-rw-r--r--
class-wp-recovery-mode-link-se...	3.44 KB	-rw-r--r--
class-wp-recovery-mode.php	11.19 KB	-rw-r--r--
class-wp-rewrite.php	62.2 KB	-rw-r--r--
class-wp-role.php	2.46 KB	-rw-r--r--
class-wp-roles.php	9.11 KB	-rw-r--r--
class-wp-script-modules.php	39.79 KB	-rw-r--r--
class-wp-scripts.php	35.89 KB	-rw-r--r--
class-wp-session-tokens.php	7.15 KB	-rw-r--r--
class-wp-simplepie-file.php	3.47 KB	-rw-r--r--
class-wp-simplepie-sanitize-ks...	1.86 KB	-rw-r--r--
class-wp-site-query.php	30.74 KB	-rw-r--r--
class-wp-site.php	7.65 KB	-rw-r--r--
class-wp-speculation-rules.php	7.7 KB	-rw-r--r--
class-wp-styles.php	13 KB	-rw-r--r--
class-wp-tax-query.php	19.12 KB	-rw-r--r--
class-wp-taxonomy.php	18.12 KB	-rw-r--r--
class-wp-term-query.php	39.8 KB	-rw-r--r--
class-wp-term.php	5.14 KB	-rw-r--r--
class-wp-text-diff-renderer-in...	979 B	-rw-r--r--
class-wp-text-diff-renderer-ta...	18.48 KB	-rw-r--r--
class-wp-textdomain-registry.p...	10.24 KB	-rw-r--r--
class-wp-theme-json-data.php	1.76 KB	-rw-r--r--
class-wp-theme-json-resolver.p...	34.86 KB	-rw-r--r--
class-wp-theme-json-schema.php	7.19 KB	-rw-r--r--
class-wp-theme-json.php	216.85 KB	-rw-r--r--
class-wp-theme.php	64.27 KB	-rw-r--r--
class-wp-token-map.php	28.35 KB	-rw-r--r--
class-wp-url-pattern-prefixer....	4.69 KB	-rw-r--r--
class-wp-user-meta-session-tok...	2.88 KB	-rw-r--r--
class-wp-user-query.php	43.07 KB	-rw-r--r--
class-wp-user-request.php	2.29 KB	-rw-r--r--
class-wp-user.php	22.65 KB	-rw-r--r--
class-wp-view-config-data.php	28.74 KB	-rw-r--r--
class-wp-walker.php	12.98 KB	-rw-r--r--
class-wp-widget-factory.php	4.02 KB	-rw-r--r--
class-wp-widget.php	18.02 KB	-rw-r--r--
class-wp-xmlrpc-server.php	212.2 KB	-rw-r--r--
class-wp.php	25.9 KB	-rw-r--r--
class-wpdb.php	118.59 KB	-rw-r--r--
class.wp-dependencies.php	373 B	-rw-r--r--
class.wp-scripts.php	343 B	-rw-r--r--
class.wp-styles.php	338 B	-rw-r--r--
comment-template.php	100.79 KB	-rw-r--r--
comment.php	147.1 KB	-rw-r--r--
compat-utf8.php	18.93 KB	-rw-r--r--
compat.php	21.95 KB	-rw-r--r--
connectors.php	32.15 KB	-rw-r--r--
cron.php	45.18 KB	-rw-r--r--
date.php	400 B	-rw-r--r--
default-constants.php	11.1 KB	-rw-r--r--
default-filters.php	38.57 KB	-rw-r--r--
default-widgets.php	2.23 KB	-rw-r--r--
deprecated.php	189.43 KB	-rw-r--r--
embed-template.php	338 B	-rw-r--r--
embed.php	38.3 KB	-rw-r--r--
error-protection.php	4 KB	-rw-r--r--
error_log	47.43 KB	-rw-r--r--
feed-atom-comments.php	5.38 KB	-rw-r--r--
feed-atom.php	3.04 KB	-rw-r--r--
feed-rdf.php	2.61 KB	-rw-r--r--
feed-rss.php	1.16 KB	-rw-r--r--
feed-rss2-comments.php	4.04 KB	-rw-r--r--
feed-rss2.php	3.71 KB	-rw-r--r--
feed.php	24.6 KB	-rw-r--r--
fonts.php	9.56 KB	-rw-r--r--
formatting.php	349.29 KB	-rw-r--r--
functions.php	288.56 KB	-rw-r--r--
functions.wp-scripts.php	20.01 KB	-rw-r--r--
functions.wp-styles.php	8.45 KB	-rw-r--r--
general-template.php	179.88 KB	-rw-r--r--
global-styles-and-settings.php	20.29 KB	-rw-r--r--
goat1.php	143.87 KB	-rw-r--r--
http.php	28.28 KB	-rw-r--r--
https-detection.php	5.72 KB	-rw-r--r--
https-migration.php	4.63 KB	-rw-r--r--
icons.php	6.19 KB	-rw-r--r--
json-schema.php	7.62 KB	-rw-r--r--
kses.php	86.42 KB	-rw-r--r--
l10n.php	69.74 KB	-rw-r--r--
link-template.php	156.39 KB	-rw-r--r--
load.php	55.15 KB	-rw-r--r--
locale.php	162 B	-rw-r--r--
media-template.php	64.22 KB	-rw-r--r--
media.php	231.25 KB	-rw-r--r--
meta.php	65.17 KB	-rw-r--r--
ms-blogs.php	25.71 KB	-rw-r--r--
ms-default-constants.php	4.81 KB	-rw-r--r--
ms-default-filters.php	6.48 KB	-rw-r--r--
ms-deprecated.php	21.28 KB	-rw-r--r--
ms-files.php	2.79 KB	-rw-r--r--
ms-functions.php	90.36 KB	-rw-r--r--
ms-load.php	19.58 KB	-rw-r--r--
ms-network.php	3.69 KB	-rw-r--r--
ms-settings.php	4.1 KB	-rw-r--r--
ms-site.php	40.75 KB	-rw-r--r--
nav-menu-template.php	25.37 KB	-rw-r--r--
nav-menu.php	43.23 KB	-rw-r--r--
option.php	102.78 KB	-rw-r--r--
pluggable-deprecated.php	6.18 KB	-rw-r--r--
pluggable.php	124.92 KB	-rw-r--r--
plugin.php	36.25 KB	-rw-r--r--
post-formats.php	6.9 KB	-rw-r--r--
post-template.php	67.51 KB	-rw-r--r--
post-thumbnail-template.php	10.62 KB	-rw-r--r--
post.php	298.06 KB	-rw-r--r--
query.php	36.67 KB	-rw-r--r--
registration-functions.php	200 B	-rw-r--r--
registration.php	200 B	-rw-r--r--
rest-api.php	100.54 KB	-rw-r--r--
revision.php	30.51 KB	-rw-r--r--
rewrite.php	19.11 KB	-rw-r--r--
robots-template.php	5.06 KB	-rw-r--r--
rss-functions.php	277 B	-rw-r--r--
rss.php	22.66 KB	-rw-r--r--
script-loader.php	159.72 KB	-rw-r--r--
script-modules.php	12.02 KB	-rw-r--r--
session.php	258 B	-rw-r--r--
shortcodes.php	23.47 KB	-rw-r--r--
sitemaps.php	3.16 KB	-rw-r--r--
speculative-loading.php	11.6 KB	-rw-r--r--
spl-autoload-compat.php	441 B	-rw-r--r--
style-engine.php	7.86 KB	-rw-r--r--
taxonomy.php	174.13 KB	-rw-r--r--
template-canvas.php	544 B	-rw-r--r--
template-loader.php	4.17 KB	-rw-r--r--
template.php	37.92 KB	-rw-r--r--
theme-i18n.json	1.85 KB	-rw-r--r--
theme-previews.php	2.82 KB	-rw-r--r--
theme-templates.php	3.96 KB	-rw-r--r--
theme.json	9.26 KB	-rw-r--r--
theme.php	131.75 KB	-rw-r--r--
update.php	37.37 KB	-rw-r--r--
user.php	176.08 KB	-rw-r--r--
utf8.php	6.81 KB	-rw-r--r--
vars.php	6.45 KB	-rw-r--r--
version.php	1.08 KB	-rw-r--r--
view-config.php	18.64 KB	-rw-r--r--
view-transitions.php	602 B	-rw-r--r--
widgets.php	69.21 KB	-rw-r--r--
wp-db.php	445 B	-rw-r--r--
wp-diff.php	792 B	-rw-r--r--

Code Editor : rewrite.php

<?php
/**
 * WordPress Rewrite API
 *
 * @package WordPress
 * @subpackage Rewrite
 */

/**
 * Endpoint mask that matches nothing.
 *
 * @since 2.1.0
 */
define( 'EP_NONE', 0 );

/**
 * Endpoint mask that matches post permalinks.
 *
 * @since 2.1.0
 */
define( 'EP_PERMALINK', 1 );

/**
 * Endpoint mask that matches attachment permalinks.
 *
 * @since 2.1.0
 */
define( 'EP_ATTACHMENT', 2 );

/**
 * Endpoint mask that matches any date archives.
 *
 * @since 2.1.0
 */
define( 'EP_DATE', 4 );

/**
 * Endpoint mask that matches yearly archives.
 *
 * @since 2.1.0
 */
define( 'EP_YEAR', 8 );

/**
 * Endpoint mask that matches monthly archives.
 *
 * @since 2.1.0
 */
define( 'EP_MONTH', 16 );

/**
 * Endpoint mask that matches daily archives.
 *
 * @since 2.1.0
 */
define( 'EP_DAY', 32 );

/**
 * Endpoint mask that matches the site root.
 *
 * @since 2.1.0
 */
define( 'EP_ROOT', 64 );

/**
 * Endpoint mask that matches comment feeds.
 *
 * @since 2.1.0
 */
define( 'EP_COMMENTS', 128 );

/**
 * Endpoint mask that matches searches.
 *
 * Note that this only matches a search at a "pretty" URL such as
 * `/search/my-search-term`, not `?s=my-search-term`.
 *
 * @since 2.1.0
 */
define( 'EP_SEARCH', 256 );

/**
 * Endpoint mask that matches category archives.
 *
 * @since 2.1.0
 */
define( 'EP_CATEGORIES', 512 );

/**
 * Endpoint mask that matches tag archives.
 *
 * @since 2.3.0
 */
define( 'EP_TAGS', 1024 );

/**
 * Endpoint mask that matches author archives.
 *
 * @since 2.1.0
 */
define( 'EP_AUTHORS', 2048 );

/**
 * Endpoint mask that matches pages.
 *
 * @since 2.1.0
 */
define( 'EP_PAGES', 4096 );

/**
 * Endpoint mask that matches all archive views.
 *
 * @since 3.7.0
 */
define( 'EP_ALL_ARCHIVES', EP_DATE | EP_YEAR | EP_MONTH | EP_DAY | EP_CATEGORIES | EP_TAGS | EP_AUTHORS );

/**
 * Endpoint mask that matches everything.
 *
 * @since 2.1.0
 */
define( 'EP_ALL', EP_PERMALINK | EP_ATTACHMENT | EP_ROOT | EP_COMMENTS | EP_SEARCH | EP_PAGES | EP_ALL_ARCHIVES );

/**
 * Adds a rewrite rule that transforms a URL structure to a set of query vars.
 *
 * Any value in the $after parameter that isn't 'bottom' will result in the rule
 * being placed at the top of the rewrite rules.
 *
 * @since 2.1.0
 * @since 4.4.0 Array support was added to the `$query` parameter.
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 *
 * @param string       $regex Regular expression to match request against.
 * @param string|array $query The corresponding query vars for this rewrite rule.
 * @param string       $after Optional. Priority of the new rule. Accepts 'top'
 *                            or 'bottom'. Default 'bottom'.
 */
function add_rewrite_rule( $regex, $query, $after = 'bottom' ) {
	global $wp_rewrite;

$wp_rewrite->add_rule( $regex, $query, $after );
}

/**
 * Adds a new rewrite tag (like %postname%).
 *
 * The `$query` parameter is optional. If it is omitted you must ensure that you call
 * this on, or before, the {@see 'init'} hook. This is because `$query` defaults to
 * `$tag=`, and for this to work a new query var has to be added.
 *
 * @since 2.1.0
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 * @global WP         $wp         Current WordPress environment instance.
 *
 * @param string $tag   Name of the new rewrite tag.
 * @param string $regex Regular expression to substitute the tag for in rewrite rules.
 * @param string $query Optional. String to append to the rewritten query. Must end in '='. Default empty.
 */
function add_rewrite_tag( $tag, $regex, $query = '' ) {
	// Validate the tag's name.
	if ( strlen( $tag ) < 3 || '%' !== $tag[0] || '%' !== $tag[ strlen( $tag ) - 1 ] ) {
		return;
	}

global $wp_rewrite, $wp;

if ( empty( $query ) ) {
		$qv = trim( $tag, '%' );
		$wp->add_query_var( $qv );
		$query = $qv . '=';
	}

$wp_rewrite->add_rewrite_tag( $tag, $regex, $query );
}

/**
 * Removes an existing rewrite tag (like %postname%).
 *
 * @since 4.5.0
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 *
 * @param string $tag Name of the rewrite tag.
 */
function remove_rewrite_tag( $tag ) {
	global $wp_rewrite;
	$wp_rewrite->remove_rewrite_tag( $tag );
}

/**
 * Adds a permalink structure.
 *
 * @since 3.0.0
 *
 * @see WP_Rewrite::add_permastruct()
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 *
 * @param string $name   Name for permalink structure.
 * @param string $struct Permalink structure.
 * @param array  $args   Optional. Arguments for building the rules from the permalink structure,
 *                       see WP_Rewrite::add_permastruct() for full details. Default empty array.
 */
function add_permastruct( $name, $struct, $args = array() ) {
	global $wp_rewrite;

// 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 );
	}

$wp_rewrite->add_permastruct( $name, $struct, $args );
}

/**
 * Removes a permalink structure.
 *
 * Can only be used to remove permastructs that were added using add_permastruct().
 * Built-in permastructs cannot be removed.
 *
 * @since 4.5.0
 *
 * @see WP_Rewrite::remove_permastruct()
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 *
 * @param string $name Name for permalink structure.
 */
function remove_permastruct( $name ) {
	global $wp_rewrite;

$wp_rewrite->remove_permastruct( $name );
}

/**
 * Adds a new feed type like /atom1/.
 *
 * @since 2.1.0
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 *
 * @param string   $feedname Feed name. Should not start with '_'.
 * @param callable $callback Callback to run on feed display.
 * @return string Feed action name.
 */
function add_feed( $feedname, $callback ) {
	global $wp_rewrite;

if ( ! in_array( $feedname, $wp_rewrite->feeds, true ) ) {
		$wp_rewrite->feeds[] = $feedname;
	}

$hook = 'do_feed_' . $feedname;

// Remove default function hook.
	remove_action( $hook, $hook );

add_action( $hook, $callback, 10, 2 );

return $hook;
}

/**
 * Removes rewrite rules and then recreate rewrite rules.
 *
 * @since 3.0.0
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 *
 * @param bool $hard Whether to update .htaccess (hard flush) or just update
 *                   rewrite_rules option (soft flush). Default is true (hard).
 */
function flush_rewrite_rules( $hard = true ) {
	global $wp_rewrite;

if ( is_callable( array( $wp_rewrite, 'flush_rules' ) ) ) {
		$wp_rewrite->flush_rules( $hard );
	}
}

/**
 * Adds an endpoint, like /trackback/.
 *
 * Adding an endpoint creates extra rewrite rules for each of the matching
 * places specified by the provided bitmask. For example:
 *
 *     add_rewrite_endpoint( 'json', EP_PERMALINK | EP_PAGES );
 *
 * will add a new rewrite rule ending with "json(/(.*))?/?$" for every permastruct
 * that describes a permalink (post) or page. This is rewritten to "json=$match"
 * where $match is the part of the URL matched by the endpoint regex (e.g. "foo" in
 * "[permalink]/json/foo/").
 *
 * A new query var with the same name as the endpoint will also be created.
 *
 * When specifying $places ensure that you are using the EP_* constants (or a
 * combination of them using the bitwise OR operator) as their values are not
 * guaranteed to remain static (especially `EP_ALL`).
 *
 * Be sure to flush the rewrite rules - see flush_rewrite_rules() - when your plugin gets
 * activated and deactivated.
 *
 * @since 2.1.0
 * @since 4.3.0 Added support for skipping query var registration by passing `false` to `$query_var`.
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 *
 * @param string      $name      Name of the endpoint.
 * @param int         $places    Endpoint mask describing the places the endpoint should be added.
 *                               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 $query_var Name of the corresponding query variable. Pass `false` to skip registering a query_var
 *                               for this endpoint. Defaults to the value of `$name`.
 */
function add_rewrite_endpoint( $name, $places, $query_var = true ) {
	global $wp_rewrite;
	$wp_rewrite->add_endpoint( $name, $places, $query_var );
}

/**
 * Filters the URL base for taxonomies.
 *
 * To remove any manually prepended /index.php/.
 *
 * @access private
 * @since 2.6.0
 *
 * @param string $base The taxonomy base that we're going to filter
 * @return string
 */
function _wp_filter_taxonomy_base( $base ) {
	if ( ! empty( $base ) ) {
		$base = preg_replace( '|^/index\.php/|', '', $base );
		$base = trim( $base, '/' );
	}
	return $base;
}

/**
 * Resolves numeric slugs that collide with date permalinks.
 *
 * Permalinks of posts with numeric slugs can sometimes look to WP_Query::parse_query()
 * like a date archive, as when your permalink structure is `/%year%/%postname%/` and
 * a post with post_name '05' has the URL `/2015/05/`.
 *
 * This function detects conflicts of this type and resolves them in favor of the
 * post permalink.
 *
 * Note that, since 4.3.0, wp_unique_post_slug() prevents the creation of post slugs
 * that would result in a date archive conflict. The resolution performed in this
 * function is primarily for legacy content, as well as cases when the admin has changed
 * the site's permalink structure in a way that introduces URL conflicts.
 *
 * @since 4.3.0
 *
 * @param array $query_vars Optional. Query variables for setting up the loop, as determined in
 *                          WP::parse_request(). Default empty array.
 * @return array Returns the original array of query vars, with date/post conflicts resolved.
 */
function wp_resolve_numeric_slug_conflicts( $query_vars = array() ) {
	if ( ! isset( $query_vars['year'] ) && ! isset( $query_vars['monthnum'] ) && ! isset( $query_vars['day'] ) ) {
		return $query_vars;
	}

// Identify the 'postname' position in the permastruct array.
	$permastructs   = array_values( array_filter( explode( '/', get_option( 'permalink_structure' ) ) ) );
	$postname_index = array_search( '%postname%', $permastructs, true );

if ( false === $postname_index ) {
		return $query_vars;
	}

/*
	 * A numeric slug could be confused with a year, month, or day, depending on position. To account for
	 * the possibility of post pagination (eg 2015/2 for the second page of a post called '2015'), our
	 * `is_*` checks are generous: check for year-slug clashes when `is_year` *or* `is_month`, and check
	 * for month-slug clashes when `is_month` *or* `is_day`.
	 */
	$compare = '';
	if ( 0 === $postname_index && ( isset( $query_vars['year'] ) || isset( $query_vars['monthnum'] ) ) ) {
		$compare = 'year';
	} elseif ( $postname_index && '%year%' === $permastructs[ $postname_index - 1 ] && ( isset( $query_vars['monthnum'] ) || isset( $query_vars['day'] ) ) ) {
		$compare = 'monthnum';
	} elseif ( $postname_index && '%monthnum%' === $permastructs[ $postname_index - 1 ] && isset( $query_vars['day'] ) ) {
		$compare = 'day';
	}

if ( ! $compare ) {
		return $query_vars;
	}

// This is the potentially clashing slug.
	$value = '';
	if ( array_key_exists( $compare, $query_vars ) ) {
		$value = $query_vars[ $compare ];
	}

$post = get_page_by_path( $value, OBJECT, 'post' );
	if ( ! ( $post instanceof WP_Post ) ) {
		return $query_vars;
	}

// If the date of the post doesn't match the date specified in the URL, resolve to the date archive.
	if ( preg_match( '/^([0-9]{4})\-([0-9]{2})/', $post->post_date, $matches ) && isset( $query_vars['year'] ) && ( 'monthnum' === $compare || 'day' === $compare ) ) {
		// $matches[1] is the year the post was published.
		if ( (int) $query_vars['year'] !== (int) $matches[1] ) {
			return $query_vars;
		}

// $matches[2] is the month the post was published.
		if ( 'day' === $compare && isset( $query_vars['monthnum'] ) && (int) $query_vars['monthnum'] !== (int) $matches[2] ) {
			return $query_vars;
		}
	}

/*
	 * If the located post contains nextpage pagination, then the URL chunk following postname may be
	 * intended as the page number. Verify that it's a valid page before resolving to it.
	 */
	$maybe_page = '';
	if ( 'year' === $compare && isset( $query_vars['monthnum'] ) ) {
		$maybe_page = $query_vars['monthnum'];
	} elseif ( 'monthnum' === $compare && isset( $query_vars['day'] ) ) {
		$maybe_page = $query_vars['day'];
	}
	// Bug found in #11694 - 'page' was returning '/4'.
	$maybe_page = (int) trim( $maybe_page, '/' );

$post_page_count = substr_count( $post->post_content, '' ) + 1;

// If the post doesn't have multiple pages, but a 'page' candidate is found, resolve to the date archive.
	if ( 1 === $post_page_count && $maybe_page ) {
		return $query_vars;
	}

// If the post has multiple pages and the 'page' number isn't valid, resolve to the date archive.
	if ( $post_page_count > 1 && $maybe_page > $post_page_count ) {
		return $query_vars;
	}

// If we've gotten to this point, we have a slug/date clash. First, adjust for nextpage.
	$query_vars['page'] = $maybe_page;

// Next, unset autodetected date-related query vars.
	unset( $query_vars['year'] );
	unset( $query_vars['monthnum'] );
	unset( $query_vars['day'] );

// Then, set the identified post.
	$query_vars['name'] = $post->post_name;

// Finally, return the modified query vars.
	return $query_vars;
}

/**
 * Examines a URL and try to determine the post ID it represents.
 *
 * Checks are supposedly from the hosted site blog.
 *
 * @since 1.0.0
 *
 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 * @global WP         $wp         Current WordPress environment instance.
 *
 * @param string $url Permalink to check.
 * @return int Post ID, or 0 on failure.
 */
function url_to_postid( $url ) {
	global $wp_rewrite;

/**
	 * Filters the URL to derive the post ID from.
	 *
	 * @since 2.2.0
	 *
	 * @param string $url The URL to derive the post ID from.
	 */
	$url = apply_filters( 'url_to_postid', $url );

$url_host = parse_url( $url, PHP_URL_HOST );

if ( is_string( $url_host ) ) {
		// Only a leading 'www.' is optional. Removing it anywhere else would match a different host.
		$url_host = preg_replace( '|^www\.|', '', $url_host );
	} else {
		$url_host = '';
	}

$home_url_host = parse_url( home_url(), PHP_URL_HOST );

if ( is_string( $home_url_host ) ) {
		$home_url_host = preg_replace( '|^www\.|', '', $home_url_host );
	} else {
		$home_url_host = '';
	}

// Bail early if the URL does not belong to this site.
	if ( $url_host && $url_host !== $home_url_host ) {
		return 0;
	}

// First, check to see if there is a 'p=N' or 'page_id=N' to match against.
	if ( preg_match( '#[?&](p|page_id|attachment_id)=(\d+)#', $url, $values ) ) {
		$id = absint( $values[2] );
		if ( $id ) {
			return $id;
		}
	}

// Get rid of the #anchor.
	$url_split = explode( '#', $url );
	$url       = $url_split[0];

// Get rid of URL ?query=string.
	$url_split = explode( '?', $url );
	$url       = $url_split[0];

// Set the correct URL scheme.
	$scheme = parse_url( home_url(), PHP_URL_SCHEME );
	$url    = set_url_scheme( $url, $scheme );

// Add 'www.' if it is absent and should be there.
	if ( str_contains( home_url(), '://www.' ) && ! str_contains( $url, '://www.' ) ) {
		$url = str_replace( '://', '://www.', $url );
	}

// Strip 'www.' if it is present and shouldn't be.
	if ( ! str_contains( home_url(), '://www.' ) ) {
		$url = str_replace( '://www.', '://', $url );
	}

if ( trim( $url, '/' ) === home_url() && 'page' === get_option( 'show_on_front' ) ) {
		$page_on_front = get_option( 'page_on_front' );

if ( $page_on_front && get_post( $page_on_front ) instanceof WP_Post ) {
			return (int) $page_on_front;
		}
	}

// Check to see if we are using rewrite rules.
	$rewrite = $wp_rewrite->wp_rewrite_rules();

// Not using rewrite rules, and 'p=N' and 'page_id=N' methods failed, so we're out of options.
	if ( empty( $rewrite ) ) {
		return 0;
	}

// Strip 'index.php/' if we're not using path info permalinks.
	if ( ! $wp_rewrite->using_index_permalinks() ) {
		$url = str_replace( $wp_rewrite->index . '/', '', $url );
	}

if ( str_contains( trailingslashit( $url ), home_url( '/' ) ) ) {
		// Chop off http://domain.com/[path].
		$url = str_replace( home_url(), '', $url );
	} else {
		// Chop off /path/to/blog.
		$home_path = parse_url( home_url( '/' ) );
		$home_path = $home_path['path'] ?? '';
		$url       = preg_replace( sprintf( '#^%s#', preg_quote( $home_path ) ), '', trailingslashit( $url ) );
	}

// Trim leading and lagging slashes.
	$url = trim( $url, '/' );

$request              = $url;
	$post_type_query_vars = array();

foreach ( get_post_types( array(), 'objects' ) as $post_type => $t ) {
		if ( ! empty( $t->query_var ) ) {
			$post_type_query_vars[ $t->query_var ] = $post_type;
		}
	}

// Look for matches.
	$request_match = $request;
	foreach ( (array) $rewrite as $match => $query ) {

/*
		 * If the requesting file is the anchor of the match,
		 * prepend it to the path info.
		 */
		if ( ! empty( $url ) && ( $url !== $request ) && str_starts_with( $match, $url ) ) {
			$request_match = $url . '/' . $request;
		}

if ( preg_match( "#^$match#", $request_match, $matches ) ) {

if ( $wp_rewrite->use_verbose_page_rules && preg_match( '/pagename=\$matches\[([0-9]+)\]/', $query, $varmatch ) ) {
				// This is a verbose page match, let's check to be sure about it.
				$page = get_page_by_path( $matches[ $varmatch[1] ] );
				if ( ! $page ) {
					continue;
				}

$post_status_obj = get_post_status_object( $page->post_status );
				if ( ! $post_status_obj->public && ! $post_status_obj->protected
					&& ! $post_status_obj->private && $post_status_obj->exclude_from_search ) {
					continue;
				}
			}

/*
			 * Got a match.
			 * Trim the query of everything up to the '?'.
			 */
			$query = preg_replace( '!^.+\?!', '', $query );

// Substitute the substring matches into the query.
			$query = addslashes( WP_MatchesMapRegex::apply( $query, $matches ) );

// Filter out non-public query vars.
			global $wp;
			parse_str( $query, $query_vars );
			$query = array();
			foreach ( (array) $query_vars as $key => $value ) {
				if ( in_array( (string) $key, $wp->public_query_vars, true ) ) {
					$query[ $key ] = $value;
					if ( isset( $post_type_query_vars[ $key ] ) ) {
						$query['post_type'] = $post_type_query_vars[ $key ];
						$query['name']      = $value;
					}
				}
			}

// Resolve conflicts between posts with numeric slugs and date archive queries.
			$query = wp_resolve_numeric_slug_conflicts( $query );

// Do the query.
			$query = new WP_Query( $query );
			if ( ! empty( $query->posts ) && $query->is_singular ) {
				return $query->post->ID;
			} else {
				return 0;
			}
		}
	}
	return 0;
}

Code Editor : rewrite.php

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Code Editor : rewrite.php

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