Laravel phone number (all types) custom validation rule class

ContactRequest.php

<?php

namespace App\Http\Requests;

use App\Rules\PhoneNumber;
use Illuminate\Foundation\Http\FormRequest;
use libphonenumber\PhoneNumberType;

class ContactRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'company_id' => 'nullable',
            'first_name' => 'nullable',
            'last_name' => 'nullable',
            'email' => 'required|email',
            'fixed_phone' => ['nullable', new PhoneNumber(PhoneNumberType::FIXED_LINE)],
            'mobile_phone' => ['nullable', new PhoneNumber(PhoneNumberType::MOBILE)],
            'job_title' => 'nullable',
        ];
    }
}

PhoneNumber.php

<?php

namespace App\Rules;

use Illuminate\Contracts\Validation\Rule;
use libphonenumber\NumberParseException;
use libphonenumber\PhoneNumberUtil;

class PhoneNumber implements Rule
{
    private $phoneNumberUtil;
    private $phoneNumberType;

    /**
     * Create a new rule instance.
     *
     * @return void
     */
    public function __construct($phoneNumberType = null)
    {
        $this->phoneNumberType = $phoneNumberType;
        $this->phoneNumberUtil = PhoneNumberUtil::getInstance();
    }

    /**
     * Determine if the validation rule passes.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function passes($attribute, $value)
    {
        try {
            $phoneNumberObject = $this->phoneNumberUtil->parse($value);
        } catch (NumberParseException $e) {
            return false;
        }

        // Is it a valid number?
        if ($this->phoneNumberUtil->isValidNumber($phoneNumberObject)) {
            // If type is provided, is it valid?
            if ($this->phoneNumberType) {
                $phoneNumberType = $this->phoneNumberUtil->getNumberType($phoneNumberObject);
                if ($this->phoneNumberType == $phoneNumberType) {
                    return true;
                }
                return false;
            }
            return true;
        }

        return false;
    }

    /**
     * Get the validation error message.
     *
     * @return string
     */
    public function message()
    {
        return __('The :attribute is not a valid phone number.');
    }
}