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WP_Widget_RSS::widget() public WP 2.8.0

Outputs the content for the current RSS widget instance.

Это метод класса: WP_Widget_RSS{}

Хуки из метода
Возвращает

Null. Ничего.

Использование

$WP_Widget_RSS = new WP_Widget_RSS();
$WP_Widget_RSS->widget( $args, $instance );
$args(массив) (обязательный)
Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'.
$instance(массив) (обязательный)
Settings for the current RSS widget instance.

Список изменений

С версии 2.8.0 Введена.

Код WP_Widget_RSS::widget() WP 5.5.1

wp-includes/widgets/class-wp-widget-rss.php
<?php
public function widget( $args, $instance ) {
	if ( isset( $instance['error'] ) && $instance['error'] ) {
		return;
	}

	$url = ! empty( $instance['url'] ) ? $instance['url'] : '';
	while ( 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  = '';
	$link  = '';

	if ( ! is_wp_error( $rss ) ) {
		$desc = esc_attr( strip_tags( html_entity_decode( $rss->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) ) ) );
		if ( empty( $title ) ) {
			$title = strip_tags( $rss->get_title() );
		}
		$link = strip_tags( $rss->get_permalink() );
		while ( stristr( $link, 'http' ) !== $link ) {
			$link = substr( $link, 1 );
		}
	}

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

	/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
	$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );

	$url  = strip_tags( $url );
	$icon = includes_url( 'images/rss.png' );
	if ( $title ) {
		$title = '<a class="rsswidget" href="' . esc_url( $url ) . '"><img class="rss-widget-icon" style="border:0" width="14" height="14" src="' . esc_url( $icon ) . '" alt="RSS" /></a> <a class="rsswidget" href="' . esc_url( $link ) . '">' . esc_html( $title ) . '</a>';
	}

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

	$format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml';

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

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

	wp_widget_rss_output( $rss, $instance );

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

	echo $args['after_widget'];

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