/**
 * Check if WordPress has access to the filesystem without asking for
 * credentials.
 *
 * @since 4.0.0
 *
 * @return bool Returns true on success, false on failure.
 */
function wp_can_install_language_pack()
{
    if (defined('DISALLOW_FILE_MODS') && DISALLOW_FILE_MODS) {
        return false;
    }
    require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
    $skin = new Automatic_Upgrader_Skin();
    $upgrader = new Language_Pack_Upgrader($skin);
    $upgrader->init();
    $check = $upgrader->fs_connect(array(WP_CONTENT_DIR, WP_LANG_DIR));
    if (!$check || is_wp_error($check)) {
        return false;
    }
    return true;
}
/**
 * Check if WordPress has access to the filesystem without asking for
 * credentials.
 *
 * @since 4.0.0
 *
 * @return bool Returns true on success, false on failure.
 */
function wp_can_install_language_pack()
{
    if (defined('DISALLOW_FILE_MODS') && DISALLOW_FILE_MODS) {
        return false;
    }
    $skin = new Automatic_Upgrader_Skin();
    $upgrader = new Language_Pack_Upgrader($skin);
    $upgrader->init();
    $check = $upgrader->fs_connect(array(WP_CONTENT_DIR, WP_LANG_DIR));
    if (!$check || is_wp_error($check)) {
        return false;
    }
    return true;
}