Answers for "laravel cache variable"

clear laravel cache

php artisan view:clear 
php artisan cache:clear
php artisan route:clear
php artisan config:clear
php artisan optimize

laravel cache remember

public function index() {
        $minutes = 1440; # 1 day
        $posts = Cache::remember('posts', $minutes, function () {
            return Post::get();
        });
        return $posts;
    }

laravel cache

Cache::put('key', 'value', $seconds);
Cache::rememberForever('users', function () {
    return DB::table('users')->get();
}); 
Cache::get('key');
Cache::has('key');
Cache::pull('key');