public function Validator::isValid in Telephone Validation 8.2

Check if number is valid for given settings.

Parameters

string $value: Phone number.

int $format: Supported input format.

array $country: (optional) List of supported countries. If empty all countries are valid.

Return value

bool Boolean representation of validation result.

File

src/Validator.php, line 50

Class

Validator

Performs telephone validation.

Namespace

Drupal\telephone_validation

Code

public function isValid($value, $format, array $country = []) {
  try {

    // Get default country.
    $default_region = $format == PhoneNumberFormat::NATIONAL ? reset($country) : NULL;

    // Parse to object.
    $number = $this->phoneUtils
      ->parse($value, $default_region);
  } catch (\Exception $e) {

    // If number could not be parsed by phone utils that's a one good reason
    // to say it's not valid.
    return FALSE;
  }

  // Perform basic telephone validation.
  if (!$this->phoneUtils
    ->isValidNumber($number)) {
    return FALSE;
  }

  // If country array is not empty and default region can be loaded
  // do region matching validation.
  // This condition is always TRUE for national phone number format.
  if (!empty($country) && ($default_region = $this->phoneUtils
    ->getRegionCodeForNumber($number))) {

    // Check if number's region matches list of supported countries.
    if (array_search($default_region, $country) === FALSE) {
      return FALSE;
    }
  }
  return TRUE;
}