loops.php

<?php

add_action( 'genesis_after_entry', 'genesis_add_id_to_global_exclude', 9 );
/**
 * Modify the global $_genesis_displayed_ids each time a loop iterates.
 *
 * Keep track of what posts have been shown on any given page by adding each ID to a global array, which can be used any
 * time by other loops to prevent posts from being displayed twice on a page.
 *
 * @since 2.0.0
 *
 * @global array $_genesis_displayed_ids Array of displayed post IDs.
 */
function genesis_add_id_to_global_exclude() {
	global $_genesis_displayed_ids;
	$_genesis_displayed_ids[] = get_the_ID();