wp_widget_rss_process( array $widget_rss, bool $check_feed = true ): array

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.


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Parameters

$widget_rss array Required
RSS widget feed data. Expects unescaped data.
$check_feed bool Optional
Whether to check feed for errors.

Default: true


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Return

array


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Source

File: wp-includes/widgets.php. View all references

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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Changelog

Changelog
Version Description
2.5.0 Introduced.

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