not able to get return array values

need your help. I am new in laravel framework, how to get the values from array values, this is my code.

 $output['device_type']=$arrout['equipment']['fabricat']['fabricat_name'].' '.$arrout['equipment']['model']['model'].''.$arrout['equipment']['type']['type'];

here equipment model and fabricat it is working fine. type only not working but

var_dump($arrout['equipment']['type']['type']);die;

return correct values : string 'Tilhengermontert' (length=16) please help me how can I solve

via Chebli Mohamed