How to access nested array values

Question

I have the following array that I need to use in a laravel email view template

$inputs[\'test\']

Which looks like this when I dd($inputs[

Answer 1

$myEcho = function($x){
    if(is_array($x)){foreach($x as $one){$myEcho($one);}
    }else{ echo $x; }
  };
array_map($myEcho, $inputs['test']['order']);