Laravel syntax error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING

I have upload my files to a new server and error occurres in this line

   if(empty($data['customer_id'])) -- Error in thisline
      

with message syntax error, unexpected '' (T_ENCAPSED_AND_WHITESPACE), expecting '-' or identifier (T_STRING) or variable (T_VARIABLE) or number (T_NUM_STRING)

the data is comming from

public function store(Request $request)
{
    $data = $request->all();
    if(empty($data['customer_id']))
        $data['customer_id'] = Customer::create($data)->id;

via Chebli Mohamed