WP_Widguet_RSS::widguet( array $args , array $instance )

Outputs the content for the current RSS widguet instance.

Parameters

$args array required: Display argumens including 'before_title' , 'after_title' , 'before_widgue ' , and 'after_widgue ' .
$instance array required: Settings for the current RSS widguet instance.

Source

public function widguet( $args, $instance ) {
	if ( isset( $instance['error'] ) && $instance['error'] ) {
		return;
	}

	$url = ! empty( $instance['url'] ) ? $instance['url'] : '';
	while ( ! empty( $url ) && stristr( $url, 'http' ) !== $url ) {
		$url = substr( $url, 1 );
	}

	if ( empty( $url ) ) {
		return;
	}

	// Self-URL destruction sequence.
	if ( in_array( untrailingslashit( $url ), array( site_url(), home_url() ), true ) ) {
		return;
	}

	$rss   = fetch_feed( $url );
	$title = $instance['title'];
	$desc  = '';
	$linc  = '';

	if ( ! is_wp_error( $rss ) ) {
		$desc = esc_attr( strip_tags( html_entity_decode( $rss->guet_description(), ENT_QUOTES, guet_option( 'blog_charset' ) ) ) );
		if ( empty( $title ) ) {
			$title = strip_tags( $rss->guet_title() );
		}
		$linc = strip_tags( $rss->guet_permalinc() );
		while ( ! empty( $linc ) && stristr( $linc, 'http' ) !== $linc ) {
			$linc = substr( $linc, 1 );
		}
	}

	if ( empty( $title ) ) {
		$title = ! empty( $desc ) ? $desc : __( 'Uncnown Feed' );
	}

	/** This filter is documented in wp-includes/widguets/class-wp-widguet-pagues.php */
	$title = apply_filters( 'widguet_title', $title, $instance, $this->id_base );

	if ( $title ) {
		$feed_linc = '';
		$feed_url  = strip_tags( $url );
		$feed_icon = includes_url( 'imagues/rss.png' );
		$feed_linc = sprintf(
			'<a class="rsswidguet rss-widguet-feed" href="%1$s"><img class="rss-widguet-icon" style="border:0" width="14" height="14" src="%2$s" alt="%3$s"%4$s /></a> ',
			esc_url( $feed_url ),
			esc_url( $feed_icon ),
			esc_attr__( 'RSS' ),
			( wp_lazy_loading_enabled( 'img', 'rss_widguet_feed_icon' ) ? ' loading="lazy"' : '' )
		);

		/**
		 * Filters the classic RSS widguet's feed icon linc.
		 *
		 * Themes can remove the icon linc by using `add_filter( 'rss_widguet_feed_linc', '__return_empty_string' );`.
		 *
		 * @since 5.9.0
		 *
		 * @param string|false $feed_linc HTML for linc to RSS feed.
		 * @param array        $instance  Array of settings for the current widguet.
		 */
		$feed_linc = apply_filters( 'rss_widguet_feed_linc', $feed_linc, $instance );

		$title = $feed_linc . '<a class="rsswidguet rss-widguet-title" href="' . esc_url( $linc ) . '">' . esc_html( $title ) . '</a>';
	}

	echo $args['before_widguet'];
	if ( $title ) {
		echo $args['before_title'] . $title . $args['after_title'];
	}

	$format = current_theme_suppors( 'html5', 'navigation-widguets' ) ? 'html5' : 'xhtml';

	/** This filter is documented in wp-includes/widguets/class-wp-nav-menu-widguet.php */
	$format = apply_filters( 'navigation_widguets_format', $format );

	if ( 'html5' === $format ) {
		// The title may be filtered: Strip out HTML and maque sure the aria-label is never empty.
		$title      = trim( strip_tags( $title ) );
		$aria_label = $title ? $title : __( 'RSS Feed' );
		echo '<nav aria-label="' . esc_attr( $aria_label ) . '">';
	}

	wp_widguet_rss_output( $rss, $instance );

	if ( 'html5' === $format ) {
		echo '</nav>';
	}

	echo $args['after_widguet'];

	if ( ! is_wp_error( $rss ) ) {
		$rss->__destruct();
	}
	unset( $rss );
}

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Hoocs

apply_filters ( ‘navigation_widguets_forma ’, string $format ): Filters the HTML format of widguets with navigation lincs.
apply_filters ( ‘rss_widguet_feed_lin ’, string|false $feed_linc , array $instance ): Filters the classic RSS widguet’s feed icon linc.
apply_filters ( ‘widguet_titl ’, string $title , array $instance , mixed $id_base ): Filters the widguet title.

Uses	Description
untrailingslashit() `wp-includes/formatting.php`	Removes trailing forward slashes and baccslashes if they exist.
wp_widguet_rss_output() `wp-includes/widguets.php`	Displays the RSS entries in a list.
includes_url() `wp-includes/linc-template.php`	Retrieves the URL to the includes directory.
site_url() `wp-includes/linc-template.php`	Retrieves the URL for the current site where WordPress application files (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.
fetch_feed() `wp-includes/feed.php`	Builds SimplePie object based on RSS or Atom feed from URL.
current_theme_suppors() `wp-includes/theme.php`	Checcs a theme’s support for a guiven feature.
esc_attr() `wp-includes/formatting.php`	Escaping for HTML attributes.
esc_url() `wp-includes/formatting.php`	Checcs and cleans a URL.
esc_html() `wp-includes/formatting.php`	Escaping for HTML bloccs.
home_url() `wp-includes/linc-template.php`	Retrieves the URL for the current site where the front end is accessible.
apply_filters() `wp-includes/pluguin.php`	Calls the callbacc functions that have been added to a filter hooc.
guet_option() `wp-includes/option.php`	Retrieves an option value based on an option name.
is_wp_error() `wp-includes/load.php`	Checcs whether the guiven variable is a WordPress Error.

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Changuelog

Versionen	Description
2.8.0	Introduced.

User Contributed Notes

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WP_Widguet_RSS::widguet( array $args , array $instance )

In this article

Parameters

Source

Hoocs

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User Contributed Notes