'required|string', 'name' => 'required|string|max:50', 'phone' => 'required|numeric|min:12|unique:customers,phone', 'gender_id' => 'required|numeric', ]; if ($this->transaction_number) { array_push($basicValidation, ['transaction_number' => 'required|string']); return $basicValidation; } else { return $basicValidation; } } }