IBAN\Core\IBAN::validate PHP Method

    public function validate()
    {
        if (!$this->isLengthValid()) {
            return false;
        } elseif (!$this->isLocalCodeValid()) {
            return false;
        } elseif (!$this->isFormatValid()) {
            return false;
        } elseif (!$this->isChecksumValid()) {
            return false;
        } else {
            return true;
        }
    }