vuefilemanager/app/Setting.php

<?php

namespace App;

use Illuminate\Support\Facades\Cache;
use Illuminate\Database\Eloquent\Model;

/**
 * App\Setting
 *
 * @property int $id
 * @property string $name
 * @property string|null $value
 * @method static \Illuminate\Database\Eloquent\Builder|Setting newModelQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|Setting newQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|Setting query()
 * @method static \Illuminate\Database\Eloquent\Builder|Setting whereId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|Setting whereName($value)
 * @method static \Illuminate\Database\Eloquent\Builder|Setting whereValue($value)
 * @mixin \Eloquent
 */
class Setting extends Model
{
    public $timestamps = false;

    protected $guarded = ['id'];

    protected static function boot()
    {
        parent::boot();
        
        static::updated(function($setting) {
            if($setting->name === 'language') {
                Cache::forget('default_language');
            }
        });
    }
}