WordPress: Add ACF Content to Search Results #wordpress

wordpress.add.acf.content.to.search.results.php

/*******************************
ADD ACF TO SEARCH RESULTS
*******************************/

/* Join posts and postmeta tables: http://codex.wordpress.org/Plugin_API/Filter_Reference/posts_join */
function cf_search_join( $join ) {
    global $wpdb;

    if ( is_search() ) {
        $join .=' LEFT JOIN '.$wpdb->postmeta. ' ON '. $wpdb->posts . '.ID = ' . $wpdb->postmeta . '.post_id ';
    }

    return $join;
}
add_filter('posts_join', 'cf_search_join' );

/* Modify the search query with posts_where: http://codex.wordpress.org/Plugin_API/Filter_Reference/posts_where */
function cf_search_where( $where ) {
    global $wpdb;

    if ( is_search() ) {
        $where = preg_replace(
            "/\(\s*".$wpdb->posts.".post_title\s+LIKE\s*(\'[^\']+\')\s*\)/",
            "(".$wpdb->posts.".post_title LIKE $1) OR (".$wpdb->postmeta.".meta_value LIKE $1)", $where );
    }

    return $where;
}
add_filter( 'posts_where', 'cf_search_where' );

/* Prevent duplicates: http://codex.wordpress.org/Plugin_API/Filter_Reference/posts_distinct */
function cf_search_distinct( $where ) {
    global $wpdb;

    if ( is_search() ) {
        return "DISTINCT";
    }

    return $where;
}
add_filter( 'posts_distinct', 'cf_search_distinct' );