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wp_rss( string $url, int $num_items = -1 )

Display all RSS items in a HTML ordered list.

Parameters

$url

(string) (Required) URL of feed to display. Will not auto sense feed URL.

$num_items

(int) (Optional) Number of items to display, default is all.

Default value: -1

Source

File: wp-includes/rss.php 

function wp_rss( $url, $num_items = -1 ) {
	if ( $rss = fetch_rss( $url ) ) {
		echo '<ul>';

		if ( $num_items !== -1 ) {
			$rss->items = array_slice( $rss->items, 0, $num_items );
		}

		foreach ( (array) $rss->items as $item ) {
			printf(
				'<li><a href="%1$s" title="%2$s">%3$s</a></li>',
				esc_url( $item['link'] ),
				esc_attr( strip_tags( $item['description'] ) ),
				esc_html( $item['title'] )
			);
		}

		echo '</ul>';
	} else {
		_e( 'An error has occurred, which probably means the feed is down. Try again later.' );
	}
}

Uses

Uses Description
wp-includes/l10n.php: _e()

Display translated text.
wp-includes/formatting.php: esc_url()

Checks and cleans a URL.
wp-includes/formatting.php: esc_attr()

Escaping for HTML attributes.
wp-includes/formatting.php: esc_html()

Escaping for HTML blocks.
wp-includes/rss.php: fetch_rss()

Build Magpie object based on RSS from URL.

Changelog

Version Description
1.5.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_rss