public function testGetLineNumber()
 {
     $this->formatter->setPhoneNumber($this->phoneNumber);
     $this->assertEquals('7890', $this->formatter->getLineNumber());
 }
 /**
  * Transforms an unformatted phone number (user-inputted) into one that conforms to better
  * database standards - 15 characters, no special characters
  *
  * 1.232.456.7890 => 12324567890
  *
  * @param mixed $unformattedPhoneNumber
  *
  * @return mixed|void
  */
 public function reverseTransform($unformattedPhoneNumber)
 {
     $phoneNumber = new PhoneNumberFormatter($unformattedPhoneNumber, $this->phoneNumberFormat);
     return $phoneNumber->reverseFormat();
 }