Answers for "if variable is empty check in laravel controller"

check empty laravel blade

@empty($products)
        <p class="bg-danger text-white p-1">product</p>
@else
        <p class="bg-danger text-white p-1">no product</p>
 @endempty

check if variable is set and not empty laravel

isset($vars[1]) AND !empty($vars[1]) is equivalent to !empty($vars[1]).