FM / wp-includes

/home/techb158/public_html/wp-includes

Name	Size	Mode	Actions
abilities-api/	-	0755	rm
ai-client/	-	0755	rm
assets/	-	0777	rm
block-bindings/	-	0755	rm
block-patterns/	-	0777	rm
block-supports/	-	0777	rm
blocks/	-	0777	rm
build/	-	0755	rm
certificates/	-	0777	rm
css/	-	0777	rm
customize/	-	0777	rm
fonts/	-	0777	rm
html-api/	-	0755	rm
ID3/	-	0777	rm
images/	-	0777	rm
interactivity-api/	-	0755	rm
IXR/	-	0777	rm
js/	-	0777	rm
l10n/	-	0755	rm
php-ai-client/	-	0755	rm
php-compat/	-	0777	rm
PHPMailer/	-	0777	rm
pomo/	-	0777	rm
Requests/	-	0777	rm
rest-api/	-	0777	rm
SimplePie/	-	0777	rm
sitemaps/	-	0777	rm
sodium_compat/	-	0777	rm
style-engine/	-	0777	rm
Text/	-	0777	rm
theme-compat/	-	0777	rm
widgets/	-	0777	rm
.htaccess	178	0644	edit dl rm
abilities-api.php	32800	0666	edit dl rm
abilities.php	11797	0666	edit dl rm
admin-bar.php	40067	0666	edit dl rm
ai-client.php	2549	0666	edit dl rm
atomlib.php	12181	0666	edit dl rm
author-template.php	19844	0666	edit dl rm
block-bindings.php	7632	0666	edit dl rm
block-editor.php	28724	0666	edit dl rm
block-i18n.json	316	0666	edit dl rm
block-patterns.php	15606	0666	edit dl rm
block-template-utils.php	63168	0666	edit dl rm
block-template.php	18257	0666	edit dl rm
blocks.php	124205	0666	edit dl rm
bookmark-template.php	12768	0666	edit dl rm
bookmark.php	15427	0666	edit dl rm
cache-compat.php	11021	0666	edit dl rm
cache.php	13486	0666	edit dl rm
canonical.php	34786	0666	edit dl rm
capabilities.php	43584	0666	edit dl rm
category-template.php	56990	0666	edit dl rm
category.php	12834	0666	edit dl rm
class-avif-info.php	30008	0666	edit dl rm
class-feed.php	539	0666	edit dl rm
class-http.php	367	0666	edit dl rm
class-IXR.php	2609	0666	edit dl rm
class-json.php	43676	0666	edit dl rm
class-oembed.php	401	0666	edit dl rm
class-phpass.php	6771	0666	edit dl rm
class-phpmailer.php	664	0666	edit dl rm
class-pop3.php	21100	0666	edit dl rm
class-requests.php	2237	0666	edit dl rm
class-simplepie.php	453	0666	edit dl rm
class-smtp.php	457	0666	edit dl rm
class-snoopy.php	37715	0666	edit dl rm
class-walker-category-dropdown.php	2469	0666	edit dl rm
class-walker-category.php	8477	0666	edit dl rm
class-walker-comment.php	14221	0666	edit dl rm
class-walker-nav-menu.php	12044	0666	edit dl rm
class-walker-page-dropdown.php	2710	0666	edit dl rm
class-walker-page.php	7612	0666	edit dl rm
class-wp-admin-bar.php	18002	0666	edit dl rm
class-wp-ajax-response.php	5288	0666	edit dl rm
class-wp-application-passwords.php	17099	0666	edit dl rm
class-wp-block-bindings-registry.php	8263	0666	edit dl rm
class-wp-block-bindings-source.php	2992	0666	edit dl rm
class-wp-block-editor-context.php	1350	0666	edit dl rm
class-wp-block-list.php	4713	0666	edit dl rm
class-wp-block-metadata-registry.php	11846	0666	edit dl rm
class-wp-block-parser-block.php	2555	0666	edit dl rm
class-wp-block-parser-frame.php	1994	0666	edit dl rm
class-wp-block-parser.php	11525	0666	edit dl rm
class-wp-block-pattern-categories-registry.php	4383	0666	edit dl rm
class-wp-block-patterns-registry.php	10265	0666	edit dl rm
class-wp-block-processor.php	69914	0666	edit dl rm
class-wp-block-styles-registry.php	6419	0666	edit dl rm
class-wp-block-supports.php	7578	0666	edit dl rm
class-wp-block-template.php	2111	0666	edit dl rm
class-wp-block-templates-registry.php	7080	0666	edit dl rm
class-wp-block-type-registry.php	5305	0666	edit dl rm
class-wp-block-type.php	17222	0666	edit dl rm
class-wp-block.php	28236	0666	edit dl rm
class-wp-classic-to-block-menu-converter.php	4026	0666	edit dl rm
class-wp-comment-query.php	49040	0666	edit dl rm
class-wp-comment.php	17249	0666	edit dl rm
class-wp-connector-registry.php	15181	0666	edit dl rm
class-wp-customize-control.php	26112	0666	edit dl rm
class-wp-customize-manager.php	202908	0666	edit dl rm
class-wp-customize-nav-menus.php	58034	0666	edit dl rm
class-wp-customize-panel.php	10703	0666	edit dl rm
class-wp-customize-section.php	11209	0666	edit dl rm
class-wp-customize-setting.php	29956	0666	edit dl rm
class-wp-customize-widgets.php	72596	0666	edit dl rm
class-wp-date-query.php	35970	0666	edit dl rm
class-wp-dependencies.php	17089	0666	edit dl rm
class-wp-dependency.php	2653	0666	edit dl rm
class-wp-duotone.php	40836	0666	edit dl rm
class-wp-editor.php	72228	0666	edit dl rm
class-wp-embed.php	15908	0666	edit dl rm
class-wp-error.php	7514	0666	edit dl rm
class-wp-exception.php	253	0666	edit dl rm
class-wp-fatal-error-handler.php	8150	0666	edit dl rm
class-wp-feed-cache-transient.php	3304	0666	edit dl rm
class-wp-feed-cache.php	969	0666	edit dl rm
class-wp-filter-sentinel.php	760	0666	edit dl rm
class-wp-hook.php	17472	0666	edit dl rm
class-wp-http-cookie.php	7269	0666	edit dl rm
class-wp-http-curl.php	13261	0666	edit dl rm
class-wp-http-encoding.php	6689	0666	edit dl rm
class-wp-http-ixr-client.php	3516	0666	edit dl rm
class-wp-http-proxy.php	5980	0666	edit dl rm
class-wp-http-requests-hooks.php	2022	0666	edit dl rm
class-wp-http-requests-response.php	4243	0666	edit dl rm
class-wp-http-response.php	2977	0666	edit dl rm
class-wp-http-streams.php	16764	0666	edit dl rm
class-wp-http.php	41641	0666	edit dl rm
class-wp-icon-collections-registry.php	5805	0666	edit dl rm
class-wp-icons-registry.php	9903	0666	edit dl rm
class-wp-image-editor-gd.php	20741	0666	edit dl rm
class-wp-image-editor-imagick.php	43454	0666	edit dl rm
class-wp-image-editor.php	17456	0666	edit dl rm
class-wp-list-util.php	7443	0666	edit dl rm
class-wp-locale-switcher.php	6776	0666	edit dl rm
class-wp-locale.php	16848	0666	edit dl rm
class-wp-matchesmapregex.php	1828	0666	edit dl rm
class-wp-meta-query.php	30507	0666	edit dl rm
class-wp-metadata-lazyloader.php	6833	0666	edit dl rm
class-wp-navigation-fallback.php	9193	0666	edit dl rm
class-wp-network-query.php	19989	0666	edit dl rm
class-wp-network.php	12411	0666	edit dl rm
class-wp-object-cache.php	17524	0666	edit dl rm
class-wp-oembed-controller.php	6905	0666	edit dl rm
class-wp-oembed.php	34372	0666	edit dl rm
class-wp-paused-extensions-storage.php	5067	0666	edit dl rm
class-wp-phpmailer.php	4348	0666	edit dl rm
class-wp-plugin-dependencies.php	25209	0666	edit dl rm
class-wp-post-type.php	30672	0666	edit dl rm
class-wp-post.php	8806	0666	edit dl rm
class-wp-query.php	164148	0666	edit dl rm
class-wp-recovery-mode-cookie-service.php	6877	0666	edit dl rm
class-wp-recovery-mode-email-service.php	11162	0666	edit dl rm
class-wp-recovery-mode-key-service.php	4914	0666	edit dl rm
class-wp-recovery-mode-link-service.php	3523	0666	edit dl rm
class-wp-recovery-mode.php	11460	0666	edit dl rm
class-wp-rewrite.php	63693	0666	edit dl rm
class-wp-role.php	2523	0666	edit dl rm
class-wp-roles.php	9326	0666	edit dl rm
class-wp-script-modules.php	40743	0666	edit dl rm
class-wp-scripts.php	36754	0666	edit dl rm
class-wp-session-tokens.php	7319	0666	edit dl rm
class-wp-simplepie-file.php	3552	0666	edit dl rm
class-wp-simplepie-sanitize-kses.php	1903	0666	edit dl rm
class-wp-site-query.php	31482	0666	edit dl rm
class-wp-site.php	7836	0666	edit dl rm
class-wp-speculation-rules.php	7884	0666	edit dl rm
class-wp-styles.php	13316	0666	edit dl rm
class-wp-tax-query.php	19577	0666	edit dl rm
class-wp-taxonomy.php	18559	0666	edit dl rm
class-wp-term-query.php	40751	0666	edit dl rm
class-wp-term.php	5263	0666	edit dl rm
class-wp-text-diff-renderer-inline.php	979	0666	edit dl rm
class-wp-text-diff-renderer-table.php	18925	0666	edit dl rm
class-wp-textdomain-registry.php	10481	0666	edit dl rm
class-wp-theme-json-data.php	1805	0666	edit dl rm
class-wp-theme-json-resolver.php	35692	0666	edit dl rm
class-wp-theme-json-schema.php	7367	0666	edit dl rm
class-wp-theme-json.php	221506	0666	edit dl rm
class-wp-theme.php	65811	0666	edit dl rm
class-wp-token-map.php	29032	0666	edit dl rm
class-wp-url-pattern-prefixer.php	4802	0666	edit dl rm
class-wp-user-meta-session-tokens.php	2954	0666	edit dl rm
class-wp-user-query.php	44102	0666	edit dl rm
class-wp-user-request.php	2342	0666	edit dl rm
class-wp-user.php	23189	0666	edit dl rm
class-wp-view-config-data.php	29427	0666	edit dl rm
class-wp-walker.php	13292	0666	edit dl rm
class-wp-widget-factory.php	3343	0666	edit dl rm
class-wp-widget.php	19129	0644	edit dl rm
class-wp-xmlrpc-server.php	216272	0666	edit dl rm
class-wp.php	26371	0666	edit dl rm
class-wpdb.php	121437	0666	edit dl rm
class.wp-dependencies.php	373	0666	edit dl rm
class.wp-scripts.php	343	0666	edit dl rm
class.wp-styles.php	338	0666	edit dl rm
comment-template.php	103211	0666	edit dl rm
comment.php	150630	0666	edit dl rm
compat-utf8.php	19386	0666	edit dl rm
compat.php	23105	0644	edit dl rm
connectors.php	32922	0666	edit dl rm
cron.php	46266	0666	edit dl rm
date.php	400	0666	edit dl rm
default-constants.php	11365	0666	edit dl rm
default-filters.php	39500	0666	edit dl rm
default-widgets.php	2288	0666	edit dl rm
deprecated.php	193977	0666	edit dl rm
embed-template.php	338	0666	edit dl rm
embed.php	39215	0666	edit dl rm
error-protection.php	4092	0666	edit dl rm
feed-atom-comments.php	5504	0666	edit dl rm
feed-atom.php	3114	0666	edit dl rm
feed-rdf.php	2668	0666	edit dl rm
feed-rss.php	1189	0666	edit dl rm
feed-rss2-comments.php	4136	0666	edit dl rm
feed-rss2.php	3799	0666	edit dl rm
feed.php	25189	0666	edit dl rm
fonts.php	9789	0666	edit dl rm
formatting.php	357652	0666	edit dl rm
functions.php	295481	0666	edit dl rm
functions.wp-scripts.php	20492	0666	edit dl rm
functions.wp-styles.php	8654	0666	edit dl rm
general-template.php	183472	0666	edit dl rm
global-styles-and-settings.php	20780	0666	edit dl rm
http.php	28961	0666	edit dl rm
https-detection.php	5857	0666	edit dl rm
https-migration.php	4741	0666	edit dl rm
icons.php	6334	0666	edit dl rm
index.php	1088	0444	edit dl rm
json-schema.php	7802	0666	edit dl rm
kses.php	88497	0666	edit dl rm
kwa.txt	1	0644	edit dl rm
l10n.php	71415	0666	edit dl rm
link-template.php	160143	0666	edit dl rm
load.php	57148	0644	edit dl rm
locale.php	162	0666	edit dl rm
media-template.php	65759	0666	edit dl rm
media.php	236804	0666	edit dl rm
meta.php	66739	0666	edit dl rm
ms-blogs.php	26324	0666	edit dl rm
ms-default-constants.php	4921	0666	edit dl rm
ms-default-filters.php	6636	0666	edit dl rm
ms-deprecated.php	21787	0666	edit dl rm
ms-files.php	2857	0666	edit dl rm
ms-functions.php	93258	0644	edit dl rm
ms-load.php	20055	0666	edit dl rm
ms-network.php	3782	0666	edit dl rm
ms-settings.php	4197	0666	edit dl rm
ms-site.php	41729	0666	edit dl rm
nav-menu-template.php	25983	0666	edit dl rm
nav-menu.php	44269	0666	edit dl rm
option.php	105246	0666	edit dl rm
pluggable-deprecated.php	6324	0666	edit dl rm
pluggable.php	127919	0666	edit dl rm
plugin.php	39110	0644	edit dl rm
post-formats.php	7070	0666	edit dl rm
post-template.php	69129	0666	edit dl rm
post-thumbnail-template.php	10879	0666	edit dl rm
post.php	305215	0666	edit dl rm
query.php	37554	0666	edit dl rm
registration-functions.php	200	0666	edit dl rm
registration.php	200	0666	edit dl rm
rest-api.php	102951	0666	edit dl rm
revision.php	31241	0666	edit dl rm
rewrite.php	19567	0666	edit dl rm
robots-template.php	5185	0666	edit dl rm
rss-functions.php	277	0666	edit dl rm
rss.php	23203	0666	edit dl rm
script-loader.php	163550	0666	edit dl rm
script-modules.php	12311	0666	edit dl rm
session.php	258	0666	edit dl rm
shortcodes.php	24034	0666	edit dl rm
sitemaps.php	3238	0666	edit dl rm
speculative-loading.php	11880	0666	edit dl rm
spl-autoload-compat.php	441	0666	edit dl rm
style-engine.php	8045	0666	edit dl rm
taxonomy.php	178307	0666	edit dl rm
template-canvas.php	544	0666	edit dl rm
template-loader.php	4267	0666	edit dl rm
template.php	36824	0666	edit dl rm
theme-i18n.json	1892	0666	edit dl rm
theme-previews.php	2887	0666	edit dl rm
theme-templates.php	4060	0666	edit dl rm
theme.json	9480	0666	edit dl rm
theme.php	134641	0666	edit dl rm
update.php	38269	0666	edit dl rm
user.php	180301	0666	edit dl rm
utf8.php	6977	0666	edit dl rm
vars.php	6600	0666	edit dl rm
version.php	1809	0644	edit dl rm
view-config.php	19087	0666	edit dl rm
view-transitions.php	602	0666	edit dl rm
widgets.php	70866	0666	edit dl rm
wp-db.php	445	0666	edit dl rm
wp-diff.php	792	0666	edit dl rm

Edit: /home/techb158/public_html/wp-includes/feed.php (25189B)

<?php
/**
 * WordPress Feed API
 *
 * Many of the functions used in here belong in The Loop, or The Loop for the
 * Feeds.
 *
 * @package WordPress
 * @subpackage Feed
 * @since 2.1.0
 */

/**
 * Retrieves RSS container for the bloginfo function.
 *
 * You can retrieve anything that you can using the get_bloginfo() function.
 * Everything will be stripped of tags and characters converted, when the values
 * are retrieved for use in the feeds.
 *
 * @since 1.5.1
 *
 * @see get_bloginfo() For the list of possible values to display.
 *
 * @param string $show See get_bloginfo() for possible values.
 * @return string
 */
function get_bloginfo_rss( $show = '' ) {
	$info = strip_tags( get_bloginfo( $show ) );
	/**
	 * Filters the bloginfo for use in RSS feeds.
	 *
	 * @since 2.2.0
	 *
	 * @see convert_chars()
	 * @see get_bloginfo()
	 *
	 * @param string $info Converted string value of the blog information.
	 * @param string $show The type of blog information to retrieve.
	 */
	return apply_filters( 'get_bloginfo_rss', convert_chars( $info ), $show );
}

/**
 * Displays RSS container for the bloginfo function.
 *
 * You can retrieve anything that you can using the get_bloginfo() function.
 * Everything will be stripped of tags and characters converted, when the values
 * are retrieved for use in the feeds.
 *
 * @since 0.71
 *
 * @see get_bloginfo() For the list of possible values to display.
 *
 * @param string $show See get_bloginfo() for possible values.
 */
function bloginfo_rss( $show = '' ) {
	/**
	 * Filters the bloginfo for display in RSS feeds.
	 *
	 * @since 2.1.0
	 *
	 * @see get_bloginfo()
	 *
	 * @param string $rss_container RSS container for the blog information.
	 * @param string $show          The type of blog information to retrieve.
	 */
	echo apply_filters( 'bloginfo_rss', get_bloginfo_rss( $show ), $show );
}

/**
 * Retrieves the default feed.
 *
 * The default feed is 'rss2', unless a plugin changes it through the
 * {@see 'default_feed'} filter.
 *
 * @since 2.5.0
 *
 * @return string Default feed, or for example 'rss2', 'atom', etc.
 */
function get_default_feed() {
	/**
	 * Filters the default feed type.
	 *
	 * @since 2.5.0
	 *
	 * @param string $feed_type Type of default feed. Possible values include 'rss2', 'atom'.
	 *                          Default 'rss2'.
	 */
	$default_feed = apply_filters( 'default_feed', 'rss2' );

return ( 'rss' === $default_feed ) ? 'rss2' : $default_feed;
}

/**
 * Retrieves the blog title for the feed title.
 *
 * @since 2.2.0
 * @since 4.4.0 The optional `$sep` parameter was deprecated and renamed to `$deprecated`.
 *
 * @param string $deprecated Unused.
 * @return string The document title.
 */
function get_wp_title_rss( $deprecated = '&#8211;' ) {
	if ( '&#8211;' !== $deprecated ) {
		/* translators: %s: 'document_title_separator' filter name. */
		_deprecated_argument( __FUNCTION__, '4.4.0', sprintf( __( 'Use the %s filter instead.' ), '<code>document_title_separator</code>' ) );
	}

/**
	 * Filters the blog title for use as the feed title.
	 *
	 * @since 2.2.0
	 * @since 4.4.0 The `$sep` parameter was deprecated and renamed to `$deprecated`.
	 *
	 * @param string $title      The current blog title.
	 * @param string $deprecated Unused.
	 */
	return apply_filters( 'get_wp_title_rss', wp_get_document_title(), $deprecated );
}

/**
 * Displays the blog title for display of the feed title.
 *
 * @since 2.2.0
 * @since 4.4.0 The optional `$sep` parameter was deprecated and renamed to `$deprecated`.
 *
 * @param string $deprecated Unused.
 */
function wp_title_rss( $deprecated = '&#8211;' ) {
	if ( '&#8211;' !== $deprecated ) {
		/* translators: %s: 'document_title_separator' filter name. */
		_deprecated_argument( __FUNCTION__, '4.4.0', sprintf( __( 'Use the %s filter instead.' ), '<code>document_title_separator</code>' ) );
	}

/**
	 * Filters the blog title for display of the feed title.
	 *
	 * @since 2.2.0
	 * @since 4.4.0 The `$sep` parameter was deprecated and renamed to `$deprecated`.
	 *
	 * @see get_wp_title_rss()
	 *
	 * @param string $wp_title_rss The current blog title.
	 * @param string $deprecated   Unused.
	 */
	echo apply_filters( 'wp_title_rss', get_wp_title_rss(), $deprecated );
}

/**
 * Retrieves the current post title for the feed.
 *
 * @since 2.0.0
 * @since 6.6.0 Added the `$post` parameter.
 *
 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
 * @return string Current post title.
 */
function get_the_title_rss( $post = 0 ) {
	$title = get_the_title( $post );

/**
	 * Filters the post title for use in a feed.
	 *
	 * @since 1.2.0
	 *
	 * @param string $title The current post title.
	 */
	return apply_filters( 'the_title_rss', $title );
}

/**
 * Displays the post title in the feed.
 *
 * @since 0.71
 */
function the_title_rss() {
	echo get_the_title_rss();
}

/**
 * Retrieves the post content for feeds.
 *
 * @since 2.9.0
 *
 * @see get_the_content()
 *
 * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
 * @return string The filtered content.
 */
function get_the_content_feed( $feed_type = null ) {
	if ( ! $feed_type ) {
		$feed_type = get_default_feed();
	}

/** This filter is documented in wp-includes/post-template.php */
	$content = apply_filters( 'the_content', get_the_content() );
	$content = str_replace( ']]>', ']]&gt;', $content );

/**
	 * Filters the post content for use in feeds.
	 *
	 * @since 2.9.0
	 *
	 * @param string $content   The current post content.
	 * @param string $feed_type Type of feed. Possible values include 'rss2', 'atom'.
	 *                          Default 'rss2'.
	 */
	return apply_filters( 'the_content_feed', $content, $feed_type );
}

/**
 * Displays the post content for feeds.
 *
 * @since 2.9.0
 *
 * @param string $feed_type The type of feed. rss2 | atom | rss | rdf
 */
function the_content_feed( $feed_type = null ) {
	echo get_the_content_feed( $feed_type );
}

/**
 * Displays the post excerpt for the feed.
 *
 * @since 0.71
 */
function the_excerpt_rss() {
	$output = get_the_excerpt();
	/**
	 * Filters the post excerpt for a feed.
	 *
	 * @since 1.2.0
	 *
	 * @param string $output The current post excerpt.
	 */
	echo apply_filters( 'the_excerpt_rss', $output );
}

/**
 * Displays the permalink to the post for use in feeds.
 *
 * @since 2.3.0
 */
function the_permalink_rss() {
	/**
	 * Filters the permalink to the post for use in feeds.
	 *
	 * @since 2.3.0
	 *
	 * @param string $post_permalink The current post permalink.
	 */
	echo esc_url( apply_filters( 'the_permalink_rss', get_permalink() ) );
}

/**
 * Outputs the link to the comments for the current post in an XML safe way.
 *
 * @since 3.0.0
 */
function comments_link_feed() {
	/**
	 * Filters the comments permalink for the current post.
	 *
	 * @since 3.6.0
	 *
	 * @param string $comment_permalink The current comment permalink with
	 *                                  '#comments' appended.
	 */
	echo esc_url( apply_filters( 'comments_link_feed', get_comments_link() ) );
}

/**
 * Displays the feed GUID for the current comment.
 *
 * @since 2.5.0
 *
 * @param int|WP_Comment $comment_id Optional comment object or ID. Defaults to global comment object.
 */
function comment_guid( $comment_id = null ) {
	echo esc_url( get_comment_guid( $comment_id ) );
}

/**
 * Retrieves the feed GUID for the current comment.
 *
 * @since 2.5.0
 *
 * @param int|WP_Comment $comment_id Optional comment object or ID. Defaults to global comment object.
 * @return string|false GUID for comment on success, false on failure.
 */
function get_comment_guid( $comment_id = null ) {
	$comment = get_comment( $comment_id );

if ( ! is_object( $comment ) ) {
		return false;
	}

return get_the_guid( $comment->comment_post_ID ) . '#comment-' . $comment->comment_ID;
}

/**
 * Displays the link to the comments.
 *
 * @since 1.5.0
 * @since 4.4.0 Introduced the `$comment` argument.
 *
 * @param int|WP_Comment $comment Optional. Comment object or ID. Defaults to global comment object.
 */
function comment_link( $comment = null ) {
	/**
	 * Filters the current comment's permalink.
	 *
	 * @since 3.6.0
	 *
	 * @see get_comment_link()
	 *
	 * @param string $comment_permalink The current comment permalink.
	 */
	echo esc_url( apply_filters( 'comment_link', get_comment_link( $comment ) ) );
}

/**
 * Retrieves the current comment author for use in the feeds.
 *
 * @since 2.0.0
 *
 * @return string Comment Author.
 */
function get_comment_author_rss() {
	/**
	 * Filters the current comment author for use in a feed.
	 *
	 * @since 1.5.0
	 *
	 * @see get_comment_author()
	 *
	 * @param string $comment_author The current comment author.
	 */
	return apply_filters( 'comment_author_rss', get_comment_author() );
}

/**
 * Displays the current comment author in the feed.
 *
 * @since 1.0.0
 */
function comment_author_rss() {
	echo get_comment_author_rss();
}

/**
 * Displays the current comment content for use in the feeds.
 *
 * @since 1.0.0
 */
function comment_text_rss() {
	$comment_text = get_comment_text();
	/**
	 * Filters the current comment content for use in a feed.
	 *
	 * @since 1.5.0
	 *
	 * @param string $comment_text The content of the current comment.
	 */
	$comment_text = apply_filters( 'comment_text_rss', $comment_text );
	echo $comment_text;
}

/**
 * Retrieves all of the post categories, formatted for use in feeds.
 *
 * All of the categories for the current post in the feed loop, will be
 * retrieved and have feed markup added, so that they can easily be added to the
 * RSS2, Atom, or RSS1 and RSS0.91 RDF feeds.
 *
 * @since 2.1.0
 *
 * @param string $type Optional, default is the type returned by get_default_feed().
 * @return string All of the post categories for displaying in the feed.
 */
function get_the_category_rss( $type = null ) {
	if ( empty( $type ) ) {
		$type = get_default_feed();
	}
	$categories = get_the_category();
	$tags       = get_the_tags();
	$the_list   = '';
	$cat_names  = array();

$filter = 'rss';
	if ( 'atom' === $type ) {
		$filter = 'raw';
	}

if ( ! empty( $categories ) ) {
		foreach ( (array) $categories as $category ) {
			$cat_names[] = sanitize_term_field( 'name', $category->name, $category->term_id, 'category', $filter );
		}
	}

if ( ! empty( $tags ) ) {
		foreach ( (array) $tags as $tag ) {
			$cat_names[] = sanitize_term_field( 'name', $tag->name, $tag->term_id, 'post_tag', $filter );
		}
	}

$cat_names = array_unique( $cat_names );

foreach ( $cat_names as $cat_name ) {
		if ( 'rdf' === $type ) {
			$the_list .= "\t\t<dc:subject><![CDATA[$cat_name]]></dc:subject>\n";
		} elseif ( 'atom' === $type ) {
			$the_list .= sprintf( '<category scheme="%1$s" term="%2$s" />', esc_attr( get_bloginfo_rss( 'url' ) ), esc_attr( $cat_name ) );
		} else {
			$the_list .= "\t\t<category><![CDATA[" . html_entity_decode( $cat_name, ENT_COMPAT, get_option( 'blog_charset' ) ) . "]]></category>\n";
		}
	}

/**
	 * Filters all of the post categories for display in a feed.
	 *
	 * @since 1.2.0
	 *
	 * @param string $the_list All of the RSS post categories.
	 * @param string $type     Type of feed. Possible values include 'rss2', 'atom'.
	 *                         Default 'rss2'.
	 */
	return apply_filters( 'the_category_rss', $the_list, $type );
}

/**
 * Displays the post categories in the feed.
 *
 * @since 0.71
 *
 * @see get_the_category_rss() For better explanation.
 *
 * @param string $type Optional, default is the type returned by get_default_feed().
 */
function the_category_rss( $type = null ) {
	echo get_the_category_rss( $type );
}

/**
 * Displays the HTML type based on the blog setting.
 *
 * The two possible values are either 'xhtml' or 'html'.
 *
 * @since 2.2.0
 */
function html_type_rss() {
	$type = get_bloginfo( 'html_type' );
	if ( str_contains( $type, 'xhtml' ) ) {
		$type = 'xhtml';
	} else {
		$type = 'html';
	}
	echo $type;
}

/**
 * Displays the rss enclosure for the current post.
 *
 * Uses the global $post to check whether the post requires a password and if
 * the user has the password for the post. If not then it will return before
 * displaying.
 *
 * Also uses the function get_post_custom() to get the post's 'enclosure'
 * metadata field and parses the value to display the enclosure(s). The
 * enclosure(s) consist of enclosure HTML tag(s) with a URI and other
 * attributes.
 *
 * @since 1.5.0
 */
function rss_enclosure() {
	if ( post_password_required() ) {
		return;
	}

foreach ( (array) get_post_custom() as $key => $val ) {
		if ( 'enclosure' === $key ) {
			foreach ( (array) $val as $enc ) {
				$enclosure = explode( "\n", $enc );

if ( count( $enclosure ) < 3 ) {
					continue;
				}

// Only get the first element, e.g. 'audio/mpeg' from 'audio/mpeg mpga mp2 mp3'.
				$t    = preg_split( '/[ \t]/', trim( $enclosure[2] ) );
				$type = $t[0];

/**
				 * Filters the RSS enclosure HTML link tag for the current post.
				 *
				 * @since 2.2.0
				 *
				 * @param string $html_link_tag The HTML link tag with a URI and other attributes.
				 */
				echo apply_filters( 'rss_enclosure', '<enclosure url="' . esc_url( trim( $enclosure[0] ) ) . '" length="' . absint( trim( $enclosure[1] ) ) . '" type="' . esc_attr( $type ) . '" />' . "\n" );
			}
		}
	}
}

/**
 * Displays the atom enclosure for the current post.
 *
 * Uses the global $post to check whether the post requires a password and if
 * the user has the password for the post. If not then it will return before
 * displaying.
 *
 * Also uses the function get_post_custom() to get the post's 'enclosure'
 * metadata field and parses the value to display the enclosure(s). The
 * enclosure(s) consist of link HTML tag(s) with a URI and other attributes.
 *
 * @since 2.2.0
 */
function atom_enclosure() {
	if ( post_password_required() ) {
		return;
	}

foreach ( (array) get_post_custom() as $key => $val ) {
		if ( 'enclosure' === $key ) {
			foreach ( (array) $val as $enc ) {
				$enclosure = explode( "\n", $enc );

$url    = '';
				$type   = '';
				$length = 0;

$mimes = get_allowed_mime_types();

// Parse URL.
				if ( isset( $enclosure[0] ) && is_string( $enclosure[0] ) ) {
					$url = trim( $enclosure[0] );
				}

// Parse length and type.
				for ( $i = 1; $i <= 2; $i++ ) {
					if ( isset( $enclosure[ $i ] ) ) {
						if ( is_numeric( $enclosure[ $i ] ) ) {
							$length = trim( $enclosure[ $i ] );
						} elseif ( in_array( $enclosure[ $i ], $mimes, true ) ) {
							$type = trim( $enclosure[ $i ] );
						}
					}
				}

$html_link_tag = sprintf(
					"<link href=\"%s\" rel=\"enclosure\" length=\"%d\" type=\"%s\" />\n",
					esc_url( $url ),
					esc_attr( $length ),
					esc_attr( $type )
				);

/**
				 * Filters the atom enclosure HTML link tag for the current post.
				 *
				 * @since 2.2.0
				 *
				 * @param string $html_link_tag The HTML link tag with a URI and other attributes.
				 */
				echo apply_filters( 'atom_enclosure', $html_link_tag );
			}
		}
	}
}

/**
 * Determines the type of a string of data with the data formatted.
 *
 * Tell whether the type is text, HTML, or XHTML, per RFC 4287 section 3.1.
 *
 * In the case of WordPress, text is defined as containing no markup,
 * XHTML is defined as "well formed", and HTML as tag soup (i.e., the rest).
 *
 * Container div tags are added to XHTML values, per section 3.1.1.3.
 *
 * @link http://www.atomenabled.org/developers/syndication/atom-format-spec.php#rfc.section.3.1
 *
 * @since 2.5.0
 *
 * @param string $data Input string.
 * @return array array(type, value)
 */
function prep_atom_text_construct( $data ) {
	if ( ! str_contains( $data, '<' ) && ! str_contains( $data, '&' ) ) {
		return array( 'text', $data );
	}

if ( ! function_exists( 'xml_parser_create' ) ) {
		wp_trigger_error( '', __( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." ) );

return array( 'html', "<![CDATA[$data]]>" );
	}

$parser = xml_parser_create();
	xml_parse( $parser, '<div>' . $data . '</div>', true );
	$code = xml_get_error_code( $parser );

if ( PHP_VERSION_ID < 80000 ) { // xml_parser_free() has no effect as of PHP 8.0.
		xml_parser_free( $parser );
	}

unset( $parser );

if ( ! $code ) {
		if ( ! str_contains( $data, '<' ) ) {
			return array( 'text', $data );
		} else {
			$data = "<div xmlns='http://www.w3.org/1999/xhtml'>$data</div>";
			return array( 'xhtml', $data );
		}
	}

if ( ! str_contains( $data, ']]>' ) ) {
		return array( 'html', "<![CDATA[$data]]>" );
	} else {
		return array( 'html', htmlspecialchars( $data ) );
	}
}

/**
 * Displays Site Icon in atom feeds.
 *
 * @since 4.3.0
 *
 * @see get_site_icon_url()
 */
function atom_site_icon() {
	$url = get_site_icon_url( 32 );
	if ( $url ) {
		echo '<icon>' . convert_chars( $url ) . "</icon>\n";
	}
}

/**
 * Displays Site Icon in RSS2.
 *
 * @since 4.3.0
 */
function rss2_site_icon() {
	$rss_title = get_wp_title_rss();
	if ( empty( $rss_title ) ) {
		$rss_title = get_bloginfo_rss( 'name' );
	}

$url = get_site_icon_url( 32 );
	if ( $url ) {
		echo '
<image>
	<url>' . convert_chars( $url ) . '</url>
	<title>' . $rss_title . '</title>
	<link>' . get_bloginfo_rss( 'url' ) . '</link>
	<width>32</width>
	<height>32</height>
</image> ' . "\n";
	}
}

/**
 * Returns the link for the currently displayed feed.
 *
 * @since 5.3.0
 *
 * @return string Correct link for the atom:self element.
 */
function get_self_link() {
	$parsed = parse_url( home_url() );

$domain = $parsed['host'];
	if ( isset( $parsed['port'] ) ) {
		$domain .= ':' . $parsed['port'];
	}

return set_url_scheme( 'http://' . $domain . wp_unslash( $_SERVER['REQUEST_URI'] ) );
}

/**
 * Displays the link for the currently displayed feed in a XSS safe way.
 *
 * Generate a correct link for the atom:self element.
 *
 * @since 2.5.0
 */
function self_link() {
	/**
	 * Filters the current feed URL.
	 *
	 * @since 3.6.0
	 *
	 * @see set_url_scheme()
	 * @see wp_unslash()
	 *
	 * @param string $feed_link The link for the feed with set URL scheme.
	 */
	echo esc_url( apply_filters( 'self_link', get_self_link() ) );
}

/**
 * Gets the UTC time of the most recently modified post from WP_Query.
 *
 * If viewing a comment feed, the time of the most recently modified
 * comment will be returned.
 *
 * @since 5.2.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param string $format Date format string to return the time in.
 * @return string|false The time in requested format, or false on failure.
 */
function get_feed_build_date( $format ) {
	global $wp_query;

$datetime          = false;
	$max_modified_time = false;
	$utc               = new DateTimeZone( 'UTC' );

if ( ! empty( $wp_query ) && $wp_query->have_posts() ) {
		// Extract the post modified times from the posts.
		$modified_times = wp_list_pluck( $wp_query->posts, 'post_modified_gmt' );

// If this is a comment feed, check those objects too.
		if ( $wp_query->is_comment_feed() && $wp_query->comment_count ) {
			// Extract the comment modified times from the comments.
			$comment_times = wp_list_pluck( $wp_query->comments, 'comment_date_gmt' );

// Add the comment times to the post times for comparison.
			$modified_times = array_merge( $modified_times, $comment_times );
		}

// Determine the maximum modified time.
		$datetime = date_create_immutable_from_format( 'Y-m-d H:i:s', max( $modified_times ), $utc );
	}

if ( false === $datetime ) {
		// Fall back to last time any post was modified or published.
		$datetime = date_create_immutable_from_format( 'Y-m-d H:i:s', get_lastpostmodified( 'GMT' ), $utc );
	}

if ( false !== $datetime ) {
		$max_modified_time = $datetime->format( $format );
	}

/**
	 * Filters the date the last post or comment in the query was modified.
	 *
	 * @since 5.2.0
	 *
	 * @param string|false $max_modified_time Date the last post or comment was modified in the query, in UTC.
	 *                                        False on failure.
	 * @param string       $format            The date format requested in get_feed_build_date().
	 */
	return apply_filters( 'get_feed_build_date', $max_modified_time, $format );
}

/**
 * Returns the content type for specified feed type.
 *
 * @since 2.8.0
 *
 * @param string $type Type of feed. Possible values include 'rss', rss2', 'atom', and 'rdf'.
 * @return string Content type for specified feed type.
 */
function feed_content_type( $type = '' ) {
	if ( empty( $type ) ) {
		$type = get_default_feed();
	}

$types = array(
		'rss'      => 'application/rss+xml',
		'rss2'     => 'application/rss+xml',
		'rss-http' => 'text/xml',
		'atom'     => 'application/atom+xml',
		'rdf'      => 'application/rdf+xml',
	);

$content_type = ( ! empty( $types[ $type ] ) ) ? $types[ $type ] : 'application/octet-stream';

/**
	 * Filters the content type for a specific feed type.
	 *
	 * @since 2.8.0
	 *
	 * @param string $content_type Content type indicating the type of data that a feed contains.
	 * @param string $type         Type of feed. Possible values include 'rss', rss2', 'atom', and 'rdf'.
	 */
	return apply_filters( 'feed_content_type', $content_type, $type );
}

/**
 * Builds SimplePie object based on RSS or Atom feed from URL.
 *
 * @since 2.8.0
 *
 * @param string|string[] $url URL of feed to retrieve. If an array of URLs, the feeds are merged
 *                             using SimplePie's multifeed feature.
 *                             See also {@link http://simplepie.org/wiki/faq/typical_multifeed_gotchas}
 * @return SimplePie\SimplePie|WP_Error SimplePie object on success or WP_Error object on failure.
 */
function fetch_feed( $url ) {
	if ( ! class_exists( 'SimplePie\SimplePie', false ) ) {
		require_once ABSPATH . WPINC . '/class-simplepie.php';
	}

require_once ABSPATH . WPINC . '/class-wp-feed-cache-transient.php';
	require_once ABSPATH . WPINC . '/class-wp-simplepie-file.php';
	require_once ABSPATH . WPINC . '/class-wp-simplepie-sanitize-kses.php';

$feed = new SimplePie\SimplePie();

$feed->get_registry()->register( SimplePie\Sanitize::class, 'WP_SimplePie_Sanitize_KSES', true );

/*
	 * We must manually overwrite $feed->sanitize because SimplePie's constructor
	 * sets it before we have a chance to set the sanitization class.
	 */
	$feed->sanitize = new WP_SimplePie_Sanitize_KSES();

// Register the cache handler using the recommended method for SimplePie 1.3 or later.
	if ( method_exists( 'SimplePie_Cache', 'register' ) ) {
		SimplePie_Cache::register( 'wp_transient', 'WP_Feed_Cache_Transient' );
		$feed->set_cache_location( 'wp_transient' );
	} else {
		// Back-compat for SimplePie 1.2.x.
		require_once ABSPATH . WPINC . '/class-wp-feed-cache.php';
		$feed->set_cache_class( 'WP_Feed_Cache' );
	}

$feed->get_registry()->register( SimplePie\File::class, 'WP_SimplePie_File', true );

/** This filter is documented in wp-includes/class-wp-feed-cache-transient.php */
	$feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', 12 * HOUR_IN_SECONDS, $url ) );

/**
	 * Fires just before processing the SimplePie feed object.
	 *
	 * @since 3.0.0
	 *
	 * @param SimplePie\SimplePie $feed SimplePie feed object (passed by reference).
	 * @param string|string[]     $url  URL of feed or array of URLs of feeds to retrieve.
	 */
	do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );

if ( empty( $url ) ) {
		/*
		 * @todo: Set $url to empty string once supported by SimplePie.
		 *
		 * The early return without proceeding is to work around a PHP 8.5
		 * deprecation issue resolved in https://github.com/simplepie/simplepie/pull/949
		 *
		 * To avoid the duplicate code, this block can be replaced with `$url = '';` once SimplePie
		 * is upgraded to a version that includes the fix.
		 */
		$feed->init();
		$feed->set_output_encoding( get_bloginfo( 'charset' ) );

if ( $feed->error() ) {
			return new WP_Error( 'simplepie-error', $feed->error() );
		}

return $feed;
	} elseif ( is_array( $url ) && count( $url ) === 1 ) {
		$url = array_shift( $url );
	} elseif ( is_array( $url ) ) {
		$feeds            = array();
		$simplepie_errors = array();
		foreach ( $url as $feed_url ) {
			$simplepie_instance = clone $feed;
			$simplepie_instance->set_feed_url( $feed_url );
			$simplepie_instance->init();
			$simplepie_instance->set_output_encoding( get_bloginfo( 'charset' ) );

if ( $simplepie_instance->error() ) {
				$simplepie_errors[] = sprintf(
					/* translators: %1$s is the feed URL, %2$s is the error message. */
					__( 'Error fetching feed %1$s: %2$s' ),
					esc_url( $feed_url ),
					$simplepie_instance->error()
				);
				unset( $simplepie_instance );
				continue;
			}

$feeds[] = $simplepie_instance;
			unset( $simplepie_instance );
		}

if ( ! empty( $simplepie_errors ) ) {
			return new WP_Error( 'simplepie-error', $simplepie_errors );
		}

$feed->init();
		$feed->data['items'] = SimplePie\SimplePie::merge_items( $feeds );
		return $feed;
	}

$feed->set_feed_url( $url );
	$feed->init();
	$feed->set_output_encoding( get_bloginfo( 'charset' ) );

if ( $feed->error() ) {
		return new WP_Error( 'simplepie-error', $feed->error() );
	}

return $feed;
}

cmd: