FM / wp-includes

/home/altere25/highwoodoutdoorpool.com/wp-includes/

/home/altere25/highwoodoutdoorpool.com/wp-includes

Name	Size	Mode	Actions
assets/	-	0755	rm
blocks/	-	0755	rm
certificates/	-	0755	rm
css/	-	0755	rm
customize/	-	0755	rm
fonts/	-	0755	rm
ID3/	-	0755	rm
images/	-	0755	rm
IXR/	-	0755	rm
js/	-	0755	rm
pomo/	-	0755	rm
random_compat/	-	0755	rm
Requests/	-	0755	rm
rest-api/	-	0755	rm
SimplePie/	-	0755	rm
sodium_compat/	-	0755	rm
Text/	-	0755	rm
theme-compat/	-	0755	rm
widgets/	-	0755	rm
.htaccess	178	0644	edit dl rm
admin-bar.php	31315	0644	edit dl rm
atomlib.php	11840	0644	edit dl rm
author-template.php	17037	0644	edit dl rm
blocks.php	19262	0644	edit dl rm
bookmark-template.php	12503	0644	edit dl rm
bookmark.php	15014	0644	edit dl rm
cache.php	8801	0644	edit dl rm
canonical.php	29628	0644	edit dl rm
capabilities.php	34685	0644	edit dl rm
category-template.php	53088	0644	edit dl rm
category.php	12202	0644	edit dl rm
class-feed.php	529	0644	edit dl rm
class-http.php	39108	0644	edit dl rm
class-IXR.php	2543	0644	edit dl rm
class-json.php	43447	0644	edit dl rm
class-oembed.php	407	0644	edit dl rm
class-phpass.php	7319	0644	edit dl rm
class-phpmailer.php	148589	0644	edit dl rm
class-pop3.php	20919	0644	edit dl rm
class-requests.php	29804	0644	edit dl rm
class-simplepie.php	89261	0644	edit dl rm
class-smtp.php	40919	0644	edit dl rm
class-snoopy.php	37785	0644	edit dl rm
class-walker-category-dropdown.php	2127	0644	edit dl rm
class-walker-category.php	7874	0644	edit dl rm
class-walker-comment.php	13683	0644	edit dl rm
class-walker-nav-menu.php	8650	0644	edit dl rm
class-walker-page-dropdown.php	2299	0644	edit dl rm
class-walker-page.php	7033	0644	edit dl rm
class-wp-admin-bar.php	17185	0644	edit dl rm
class-wp-ajax-response.php	5236	0644	edit dl rm
class-wp-block-parser.php	15215	0644	edit dl rm
class-wp-block-styles-registry.php	4728	0644	edit dl rm
class-wp-block-type-registry.php	5091	0644	edit dl rm
class-wp-block-type.php	4815	0644	edit dl rm
class-wp-comment-query.php	44522	0644	edit dl rm
class-wp-comment.php	8968	0644	edit dl rm
class-wp-customize-control.php	25505	0644	edit dl rm
class-wp-customize-manager.php	200156	0644	edit dl rm
class-wp-customize-nav-menus.php	54965	0644	edit dl rm
class-wp-customize-panel.php	10406	0644	edit dl rm
class-wp-customize-section.php	10974	0644	edit dl rm
class-wp-customize-setting.php	29680	0644	edit dl rm
class-wp-customize-widgets.php	66974	0644	edit dl rm
class-wp-date-query.php	35280	0644	edit dl rm
class-wp-dependency.php	2500	0644	edit dl rm
class-wp-editor.php	70665	0644	edit dl rm
class-wp-embed.php	14802	0644	edit dl rm
class-wp-error.php	4923	0644	edit dl rm
class-wp-fatal-error-handler.php	7416	0644	edit dl rm
class-wp-feed-cache-transient.php	2560	0644	edit dl rm
class-wp-feed-cache.php	749	0644	edit dl rm
class-wp-hook.php	14051	0644	edit dl rm
class-wp-http-cookie.php	7146	0644	edit dl rm
class-wp-http-curl.php	12330	0644	edit dl rm
class-wp-http-encoding.php	6510	0644	edit dl rm
class-wp-http-ixr-client.php	3339	0644	edit dl rm
class-wp-http-proxy.php	6077	0644	edit dl rm
class-wp-http-requests-hooks.php	1950	0644	edit dl rm
class-wp-http-requests-response.php	4343	0644	edit dl rm
class-wp-http-response.php	2951	0644	edit dl rm
class-wp-http-streams.php	16079	0644	edit dl rm
class-wp-image-editor-gd.php	14104	0644	edit dl rm
class-wp-image-editor-imagick.php	29052	0644	edit dl rm
class-wp-image-editor.php	14016	0644	edit dl rm
class-wp-list-util.php	6407	0644	edit dl rm
class-wp-locale-switcher.php	5022	0644	edit dl rm
class-wp-locale.php	13914	0644	edit dl rm
class-wp-matchesmapregex.php	1805	0644	edit dl rm
class-wp-meta-query.php	27855	0644	edit dl rm
class-wp-metadata-lazyloader.php	5386	0644	edit dl rm
class-wp-network-query.php	18372	0644	edit dl rm
class-wp-network.php	12376	0644	edit dl rm
class-wp-object-cache.php	12848	0644	edit dl rm
class-wp-oembed-controller.php	6027	0644	edit dl rm
class-wp-oembed.php	30476	0644	edit dl rm
class-wp-paused-extensions-storage.php	4931	0644	edit dl rm
class-wp-post-type.php	19533	0644	edit dl rm
class-wp-post.php	6441	0644	edit dl rm
class-wp-query.php	132783	0644	edit dl rm
class-wp-recovery-mode-cookie-service.php	6457	0644	edit dl rm
class-wp-recovery-mode-email-service.php	10121	0644	edit dl rm
class-wp-recovery-mode-key-service.php	4282	0644	edit dl rm
class-wp-recovery-mode-link-service.php	3368	0644	edit dl rm
class-wp-recovery-mode.php	11356	0644	edit dl rm
class-wp-rewrite.php	60831	0644	edit dl rm
class-wp-role.php	2792	0644	edit dl rm
class-wp-roles.php	8406	0644	edit dl rm
class-wp-session-tokens.php	7431	0644	edit dl rm
class-wp-simplepie-file.php	2328	0644	edit dl rm
class-wp-simplepie-sanitize-kses.php	1775	0644	edit dl rm
class-wp-site-query.php	28532	0644	edit dl rm
class-wp-site.php	7367	0644	edit dl rm
class-wp-tax-query.php	19442	0644	edit dl rm
class-wp-taxonomy.php	10842	0644	edit dl rm
class-wp-term-query.php	35527	0644	edit dl rm
class-wp-term.php	5265	0644	edit dl rm
class-wp-text-diff-renderer-inline.php	716	0644	edit dl rm
class-wp-text-diff-renderer-table.php	16831	0644	edit dl rm
class-wp-theme.php	51704	0644	edit dl rm
class-wp-user-meta-session-tokens.php	2990	0644	edit dl rm
class-wp-user-query.php	31302	0644	edit dl rm
class-wp-user-request.php	1996	0644	edit dl rm
class-wp-user.php	21872	0644	edit dl rm
class-wp-walker.php	12722	0644	edit dl rm
class-wp-widget-factory.php	2620	0644	edit dl rm
class-wp-widget.php	17902	0644	edit dl rm
class-wp-xmlrpc-server.php	210317	0644	edit dl rm
class-wp.php	24688	0644	edit dl rm
class.wp-dependencies.php	12674	0644	edit dl rm
class.wp-scripts.php	18150	0644	edit dl rm
class.wp-styles.php	10682	0644	edit dl rm
comment-template.php	92992	0644	edit dl rm
comment.php	117641	0644	edit dl rm
compat.php	12989	0644	edit dl rm
cron.php	32667	0644	edit dl rm
date.php	406	0644	edit dl rm
default-constants.php	10157	0644	edit dl rm
default-filters.php	26110	0644	edit dl rm
default-widgets.php	2123	0644	edit dl rm
deprecated.php	114945	0644	edit dl rm
embed-template.php	341	0644	edit dl rm
embed.php	47626	0644	edit dl rm
error-protection.php	3385	0644	edit dl rm
feed-atom-comments.php	5444	0644	edit dl rm
feed-atom.php	3102	0644	edit dl rm
feed-rdf.php	2668	0644	edit dl rm
feed-rss.php	1189	0644	edit dl rm
feed-rss2-comments.php	4088	0644	edit dl rm
feed-rss2.php	3799	0644	edit dl rm
feed.php	22060	0644	edit dl rm
formatting.php	299006	0644	edit dl rm
functions.php	231776	0644	edit dl rm
functions.wp-scripts.php	12842	0644	edit dl rm
functions.wp-styles.php	8245	0644	edit dl rm
general-template.php	152929	0644	edit dl rm
http.php	24317	0644	edit dl rm
kses.php	59004	0644	edit dl rm
l10n.php	53829	0644	edit dl rm
link-template.php	143795	0644	edit dl rm
load.php	43955	0644	edit dl rm
locale.php	162	0644	edit dl rm
media-template.php	58104	0644	edit dl rm
media.php	151345	0644	edit dl rm
meta.php	50493	0644	edit dl rm
ms-blogs.php	24986	0644	edit dl rm
ms-default-constants.php	4787	0644	edit dl rm
ms-default-filters.php	6428	0644	edit dl rm
ms-deprecated.php	21122	0644	edit dl rm
ms-files.php	2641	0644	edit dl rm
ms-functions.php	89438	0644	edit dl rm
ms-load.php	19797	0644	edit dl rm
ms-network.php	3658	0644	edit dl rm
ms-settings.php	4122	0644	edit dl rm
ms-site.php	43033	0644	edit dl rm
nav-menu-template.php	22150	0644	edit dl rm
nav-menu.php	41745	0644	edit dl rm
option.php	70890	0644	edit dl rm
pluggable-deprecated.php	6263	0644	edit dl rm
pluggable.php	101305	0644	edit dl rm
plugin.php	32201	0644	edit dl rm
post-formats.php	7069	0644	edit dl rm
post-template.php	63160	0644	edit dl rm
post-thumbnail-template.php	9021	0644	edit dl rm
post.php	246573	0644	edit dl rm
query.php	34218	0644	edit dl rm
registration-functions.php	202	0644	edit dl rm
registration.php	202	0644	edit dl rm
rest-api.php	47360	0644	edit dl rm
revision.php	21710	0644	edit dl rm
rewrite.php	18048	0644	edit dl rm
rss-functions.php	211	0644	edit dl rm
rss.php	23208	0644	edit dl rm
script-loader.php	104915	0644	edit dl rm
session.php	258	0644	edit dl rm
shortcodes.php	22355	0644	edit dl rm
spl-autoload-compat.php	443	0644	edit dl rm
taxonomy.php	158347	0644	edit dl rm
template-loader.php	3352	0644	edit dl rm
template.php	21046	0644	edit dl rm
theme.php	104946	0644	edit dl rm
update.php	25689	0644	edit dl rm
user.php	132580	0644	edit dl rm
vars.php	5820	0644	edit dl rm
version.php	766	0644	edit dl rm
widgets.php	58785	0644	edit dl rm
wlwmanifest.xml	1045	0644	edit dl rm
wp-db.php	103912	0644	edit dl rm
wp-diff.php	647	0644	edit dl rm

Edit: /home/altere25/highwoodoutdoorpool.com/wp-includes/feed.php (22060B)

<?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
 */

/**
 * 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 );
}

/**
 * Display 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 );
}

/**
 * Retrieve 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;
}

/**
 * Retrieve 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 );
}

/**
 * Display 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 );
}

/**
 * Retrieve the current post title for the feed.
 *
 * @since 2.0.0
 *
 * @return string Current post title.
 */
function get_the_title_rss() {
	$title = get_the_title();

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

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

/**
 * Retrieve 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 );
}

/**
 * Display 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 );
}

/**
 * Display 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 );
}

/**
 * Display 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() ) );
}

/**
 * Display 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 ) );
}

/**
 * Retrieve 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;
}

/**
 * Display 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 ) ) );
}

/**
 * Retrieve 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() );
}

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

/**
 * Display 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;
}

/**
 * Retrieve 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 );
}

/**
 * Display 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 );
}

/**
 * Display 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 ( strpos( $type, 'xhtml' ) !== false ) {
		$type = 'xhtml';
	} else {
		$type = 'html';
	}
	echo $type;
}

/**
 * Display 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 );

// 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" );
			}
		}
	}
}

/**
 * Display 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 );
				/**
				 * 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', '<link href="' . esc_url( trim( $enclosure[0] ) ) . '" rel="enclosure" length="' . absint( trim( $enclosure[1] ) ) . '" type="' . esc_attr( trim( $enclosure[2] ) ) . '" />' . "\n" );
			}
		}
	}
}

/**
 * Determine 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 ( strpos( $data, '<' ) === false && strpos( $data, '&' ) === false ) {
		return array( 'text', $data );
	}

if ( ! function_exists( 'xml_parser_create' ) ) {
		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 );
	xml_parser_free( $parser );

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

if ( strpos( $data, ']]>' ) === false ) {
		return array( 'html', "<![CDATA[$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() {
	$host = @parse_url( home_url() );
	return set_url_scheme( 'http://' . $host['host'] . wp_unslash( $_SERVER['REQUEST_URI'] ) );
}

/**
 * Display 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() ) );
}

/**
 * Get 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.
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @since 5.2.0
 *
 * @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 );
}

/**
 * Return 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'.
 */
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 );
}

/**
 * Build 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|WP_Error SimplePie object on success or WP_Error object on failure.
 */
function fetch_feed( $url ) {
	if ( ! class_exists( 'SimplePie', false ) ) {
		require_once ABSPATH . WPINC . '/class-simplepie.php';
	}

require_once ABSPATH . WPINC . '/class-wp-feed-cache.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();

$feed->set_sanitize_class( 'WP_SimplePie_Sanitize_KSES' );
	// 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();

$feed->set_cache_class( 'WP_Feed_Cache' );
	$feed->set_file_class( 'WP_SimplePie_File' );

$feed->set_feed_url( $url );
	/** 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       $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 ) );
	$feed->init();
	$feed->set_output_encoding( get_option( 'blog_charset' ) );

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

return $feed;
}

cmd: