Oxygenados Com

                  <?php
if (function_exists("oxygen_vsb_register_condition")) {
    global $oxy_condition_operators;

    oxygen_vsb_register_condition(
        "Has Results",
        ["options" => ["true", "false"], "custom" => false],
        ["=="],
        "search_has_results_callback",
        "Search"
    );

    function search_has_results_callback($value, $operator)
    {
        global $wp_query;
        $posts_found = $wp_query->found_posts;

        if ($value == "true" && $posts_found > 0) {
            return true;
        } elseif ($value == "false" && $posts_found == 0) {
            return true;
        }
    }
}