Unikanie duplikacji kodu jQuery przez pluginy w wordpressie

function load_jquery() {

    // only use this method is we're not in wp-admin
    if (!is_admin()) {

        // deregister the original version of jQuery
        wp_deregister_script('jquery');

        // discover the correct protocol to use
        $protocol='http:';
        if($_SERVER['HTTPS']=='on') {
            $protocol='https:';
        }

        // register the Google CDN version
        wp_register_script('jquery', $protocol.'//ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js', false, '1.5.2');

        // add it back into the queue
        wp_enqueue_script('jquery');

    }

}

add_action('template_redirect', 'load_jquery');