Add more robust functionality for custom post types in Wordpress. Adds custom post type "video" to search results & archive pages.

robust-cpt.php

<?php

// =========================================================================
// ====== MORE ROBUST CUSTOM POST TYPE INTEGRATIONS 
// =========================================================================

function combatPostTypeArchives($query) {
	
	if(is_category() || is_tag() && empty( $query->query_vars['suppress_filters'])) {
		
		// SET POST_TYPES TO INCLUDE VIDEOS
		$query->set('post_type', array('post', 'videos'));
		
		return $query;

	}

}

function combatPostTypeSearch($query) {

	if ($query->is_search) {
		
		// SET POST_TYPES TO INCLUDE VIDEOS
		$query->set( 'post_type', array( 'post', 'page', 'feed', 'videos'));
	
	}
	
	return $query;

}

// HOOK CUSTOM POST TYPES INTO ARCHIVE PAGES
add_filter( 'pre_get_posts', 'combatPostTypeArchives' );

// HOOK CUSTOM POST TYPES INTO SEARCH RESULTS
add_filter( 'the_search_query', 'combatPostTypeSearch' );