Manipolazione del #FEED #RSS di #WORDPRESS aggiunta di CPT e TASSONOMIE

rss.php

//ORDINA IL FEED
function ek_reverseorder($query_string)  
{
    return query_posts( $query_string . '&order=DESC&orderby=date' );
}
add_action( 'rss2_head', 'ek_reverseorder' );

//AGGIUNGE uno o più CPT al feed RSS
add_action('pre_get_posts', 'exclude_category' );
function exclude_category( &$wp_query ) 
    // Exclude from loop, archive and feed but not from category page/feed
   { if( is_home() || ( is_feed() && !is_category() ) || ( is_archive() && !is_category() )) { // Exclude from home, feed, but not from category page/feed
        set_query_var('post_type', array('post', 'appuntamenti','agenda_ordine')); // Exclude category with ID 120
    }
}


//AGGIUNGE TASSONOMIE
add_action('rss2_item', 'yoursite_rss2_item');
function yoursite_rss2_item() {
    if (get_post_type()=='listings') {

        $fields = array( 
            'listing_bedrooms',
            'listing_city',
        );

        $post_id = get_the_ID();
        foreach($fields as $field) {
            if ($value = get_post_meta($post_id,$field,true)) {
                echo "<{$field}>{$value}</{$field}>\n";
            }
        }

        $taxonomies = array(
           'listing_category',
           'listing_type'
        );

        // Loop through taxonomies
        foreach($taxonomies as $taxonomy) {
            $terms = get_the_terms($post_id,$taxonomy);
            if (is_array($terms)) {
                // Loop through terms
                foreach ($terms as $term) {
                    echo "<{$taxonomy}>{$term->name}</{$taxonomy}>\n";
                }
            }
        }
    }
}