/** Relevanssi customization by max **/
add_filter('relevanssi_hits_filter', 'order_the_results');

function order_the_results($hits) {
    global $wp_query;

	switch ($wp_query->query_vars['orderby']) {

		case 'likes':
	        $likes = array();
    	    foreach ($hits[0] as $hit) {
        		$likecount = get_post_meta($hit->ID, '_likes', true);
        	if (!isset($likes[$likecount])) $likes[$likecount] = array();
        	array_push($likes[$likecount], $hit);
        }

		if ($wp_query->query_vars['order'] == 'asc') {
		  ksort($likes);
		} else {
		  krsort($likes);
		}
      
        $sorted_hits = array();
        foreach ($likes as $likecount => $year_hits) {
        	$sorted_hits = array_merge($sorted_hits, $year_hits);
        }
        $hits[0] = $sorted_hits;
		break;

	case 'comments':

		$comments = array();
		foreach ($hits[0] as $hit) {
			$commentcount = wp_count_comments($hit->ID)->total_comments;
			if (!isset($comments[$commentcount])) $comments[$commentcount] = array();
			array_push($comments[$commentcount], $hit);
		}

		if ($wp_query->query_vars['order'] == 'asc') {
			ksort($comments);
			} else {
			krsort($comments);
		}

		$sorted_hits = array();
		foreach ($comments as $commentcount => $year_hits) {
			$sorted_hits = array_merge($sorted_hits, $year_hits);
		}
		$hits[0] = $sorted_hits;

	break;
	
	case 'relevance':
		//do nothing
		break;

	 }


    return $hits;
}