ParagonIE\EasyRSA\KeyPair::__construct PHP Method

    public function __construct(PrivateKey $privateKey, PublicKey $publicKey = null)
    {
        $this->privateKey = $privateKey;
        if (!$publicKey) {
            $publicKey = $this->privateKey->getPublicKey();
        }
        $this->publicKey = $publicKey;
    }