post_content, $matches ) ) { foreach ( us_arr_path( $matches, '1', array() ) as $attachment_id ) { $images[] = array( 'alt' => get_post_meta( $attachment_id, '_wp_attachment_image_alt', TRUE ), 'src' => wp_get_attachment_image_src( $attachment_id, 'full' )[0], 'title' => get_the_title( $attachment_id ), ); } } } ); return $images; } add_filter( 'wpseo_sitemap_urlimages', 'us_wpseo_sitemap_urlimages', 10, 2 ); }