searchwp.php

<?php

/**
 * SearchWP Related on specific post types
 * @see https://www.billerickson.net/code/searchwp-related-on-specific-post-types/
 */
function ea_swp_related_excluded_post_types( $exclude = array() ) {
	$allowed = array( 'post', 'case', 'press_release' );
	$all = array_keys( get_post_types() );
	return array_diff( $all, $allowed );
}
add_filter( 'searchwp_related_excluded_post_types', 'ea_swp_related_excluded_post_types' );

/**
 * SearchWP Related, metabox priority
 *
 */
function ea_swp_metabox_priority( $priority ) {
	return 'low';
}
add_filter( 'searchwp_related_meta_box_priority', 'ea_swp_metabox_priority' );

/**
 * SearchWP Related, metabox title
 *
 */
function ea_swp_metabox_title( $title ) {
	return 'Related News';
}
add_filter( 'searchwp_related_meta_box_title', 'ea_swp_metabox_title' );