class EmailValidator

class EmailValidator {
    
    /**
     * @var EmailLexer
     */
    private $lexer;
    
    /**
     * @var Warning\Warning[]
     */
    private $warnings = [];
    
    /**
     * @var ?InvalidEmail
     */
    private $error;
    public function __construct() {
        $this->lexer = new EmailLexer();
    }
    
    /**
     * @param string          $email
     * @param EmailValidation $emailValidation
     * @return bool
     */
    public function isValid(string $email, EmailValidation $emailValidation) {
        $isValid = $emailValidation->isValid($email, $this->lexer);
        $this->warnings = $emailValidation->getWarnings();
        $this->error = $emailValidation->getError();
        return $isValid;
    }
    
    /**
     * @return boolean
     */
    public function hasWarnings() {
        return !empty($this->warnings);
    }
    
    /**
     * @return array
     */
    public function getWarnings() {
        return $this->warnings;
    }
    
    /**
     * @return InvalidEmail|null
     */
    public function getError() {
        return $this->error;
    }

}