Show no initial results for Views custom searches

<?php
/**
 * User defined values: fill here the IDs of the Views that you want to affect with this snippet.
 * For a single View, use $target_views = array( XXX );
 * For multiple Views, use $target_views = array( XXX, YYY );
 * In this example, we target a View with ID equal to 226.
 */
toolset_snippet_security_check() or die( 'Direct access is not allowed' );
add_filter( 'wpv_filter_query_post_process', 'tssnippet_no_initial_results', 10, 3 );
function tssnippet_no_initial_results( $query_results, $view_settings, $view_id ) {

    $target_views = array( 226 );

    if ( ! in_array( $view_id, $target_views ) ) {
        return $query_results;
    }

    // if there is a search term set
    if ( 
        ! isset( $query_results->query['meta_query'] )
        && ! isset( $query_results->query['tax_query'] )
        && ! isset( $query_results->query['s'] )
    ) {
        $query_results->posts = array();
        $query_results->post_count = 0;
        $query_results->found_posts = 0;
    }

    return $query_results;
}