Process RSS feed widget data and optionally retrieve feed items.

Description

The feed widget can not have more than 20 items or it will reset back to the default, which is 10.

The resulting array has the feed title, feed url, feed link (from channel), feed items, error (if any), and whether to show summary, author, and date.
All respectively in the order of the array elements.

Parameters

$widget_rssarrayrequired

RSS widget feed data. Expects unescaped data.

$check_feedbooloptional

Whether to check feed for errors.

Default:true

Return

Source

function wp_widget_rss_process( $widget_rss, $check_feed = true ) {
	$items = (int) $widget_rss['items'];
	if ( $items < 1 || 20 < $items ) {
		$items = 10;
	}
	$url          = sanitize_url( strip_tags( $widget_rss['url'] ) );
	$title        = isset( $widget_rss['title'] ) ? trim( strip_tags( $widget_rss['title'] ) ) : '';
	$show_summary = isset( $widget_rss['show_summary'] ) ? (int) $widget_rss['show_summary'] : 0;
	$show_author  = isset( $widget_rss['show_author'] ) ? (int) $widget_rss['show_author'] : 0;
	$show_date    = isset( $widget_rss['show_date'] ) ? (int) $widget_rss['show_date'] : 0;
	$error        = false;
	$link         = '';

	if ( $check_feed ) {
		$rss = fetch_feed( $url );

		if ( is_wp_error( $rss ) ) {
			$error = $rss->get_error_message();
		} else {
			$link = esc_url( strip_tags( $rss->get_permalink() ) );
			while ( stristr( $link, 'http' ) !== $link ) {
				$link = substr( $link, 1 );
			}

			$rss->__destruct();
			unset( $rss );
		}
	}

	return compact( 'title', 'url', 'link', 'items', 'error', 'show_summary', 'show_author', 'show_date' );
}

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