Jose\KeyConverter\RSAKey::toArray PHP Method

    public function toArray()
    {
        return $this->values;
    }

 /**
  * {@inheritdoc}
  */
 public static function createRSAKey(array $values)
 {
     Assertion::keyExists($values, 'size', 'The key size is not set.');
     $size = $values['size'];
     unset($values['size']);
     Assertion::true(0 === $size % 8, 'Invalid key size.');
     Assertion::greaterOrEqualThan($size, 384, 'Key length is too short. It needs to be at least 384 bits.');
     $key = openssl_pkey_new(['private_key_bits' => $size, 'private_key_type' => OPENSSL_KEYTYPE_RSA]);
     openssl_pkey_export($key, $out);
     $rsa = new RSAKey($out);
     $values = array_merge($values, $rsa->toArray());
     return new JWK($values);
 }