public static function switcher_callback($post)
 {
     // Tilda_Admin::log(__CLASS__."::".__FUNCTION__, __FILE__, __LINE__);
     $data = get_post_meta($post->ID, '_tilda', true);
     if (!Tilda::verify_access()) {
         Tilda::$errors->add('empty_keys', __('The security keys is not set', 'tilda'));
     }
     self::view('switcher_status', array('data' => $data));
 }
            </small>
        <?php 
} else {
    ?>
            <input type="submit"
                   id="tilda_toggle"
                   class="button <?php 
    echo esc_attr($toggle_class);
    ?>
"
                   value="<?php 
    echo __("Activate Tilda for this page?", 'tilda');
    ?>
">
            &nbsp;&nbsp;&nbsp;
            <?php 
    if (!Tilda::verify_access()) {
        ?>
                <a href="options-general.php?page=tilda-config">
                    <?php 
        echo __("Tilda accounts assign", 'tilda');
        ?>
                </a>
            <?php 
    }
    ?>
        <?php 
}
?>
    </p>
</div>