Answers for "condition if laravel <"

laravel if syntax

@if (foo)
  // do something
@elseif (bar)
  // do something else
@else
  // do some other thing;
@endif

laravel when condition

$invisiblePosts = $request->query('invisible');

Article::query()
            ->when($invisiblePosts , function ($query){
                return $query->where('invisible' , true);
            },function ($query){
                return $query->where('invisible' , false);
            })
            ->get();