RWMB_Map_Field::admin_enqueue_scripts PHP Method

    static function admin_enqueue_scripts()
    {
        /**
         * Since June 2016, Google Maps requires a valid API key.
         *
         * @link http://googlegeodevelopers.blogspot.com/2016/06/building-for-scale-updates-to-google.html
         * @link https://developers.google.com/maps/documentation/javascript/get-api-key
         */
        $args = func_get_args();
        $field = $args[0];
        $google_maps_url = add_query_arg('key', $field['api_key'], 'https://maps.google.com/maps/api/js');
        /**
         * Allows developers load more libraries via a filter.
         *
         * @link https://developers.google.com/maps/documentation/javascript/libraries
         */
        $google_maps_url = apply_filters('rwmb_google_maps_url', $google_maps_url);
        wp_register_script('google-maps', esc_url_raw($google_maps_url), array(), '', true);
        wp_enqueue_style('rwmb-map', RWMB_CSS_URL . 'map.css');
        wp_enqueue_script('rwmb-map', RWMB_JS_URL . 'map.js', array('jquery-ui-autocomplete', 'google-maps'), RWMB_VER, true);
    }