the_excerpt_rss │ filter-hook │ WP 1.2.0

Called by the the_excerpt_rss() function, which outputs a short description in an RSS feed. Passes the short description text so it can be changed.

the_excerpt_rss is used by plugins to change the short description (excerpt) text in feeds. For example, this hook can add a site link to the short description in an RSS feed (see the example).

Usage

add_filter( 'the_excerpt_rss', 'wp_kama_the_excerpt_rss_filter' );

/**
 * Function for `the_excerpt_rss` filter-hook.
 * 
 * @param string $output The current post excerpt.
 *
 * @return string
 */
function wp_kama_the_excerpt_rss_filter( $output ){
	// filter...
	return $output;
}

$output(string)

The post's short description text that will be output by the_excerpt_rss().

Examples

#1 Site copyright at the end of the short description in an RSS feed.

This example shows how to add any text (copyright in this case) to the end of a post excerpt. The excerpt is output in the RSS feed in XML format.

add_filter( 'the_excerpt_rss', 'add_text_to_the_feed_end' );
function add_text_to_the_feed_end( $content ){
	$content .= '<p>© example.com, 2014</p>';

	return $content;
}