Jose\Object\JWSInterface::getEncodedPayload PHP Method

    public function getEncodedPayload(SignatureInterface $signature);

 /**
  * {@inheritdoc}
  *
  * @throws \InvalidArgumentException
  */
 public function verify(JWSInterface $jws, JWKSetInterface $jwk_set, $detached_payload = null)
 {
     if (null !== $detached_payload && !empty($jws->getEncodedPayload())) {
         throw new \InvalidArgumentException('A detached payload is set, but the JWS already has a payload');
     }
     $input = $jws->getEncodedProtectedHeader() . '.' . (null === $detached_payload ? $jws->getEncodedPayload() : $detached_payload);
     if (0 === count($jwk_set)) {
         return false;
     }
     $verified = false;
     foreach ($jwk_set->getKeys() as $jwk) {
         $algorithm = $this->getAlgorithm($jws);
         if (!$this->checkKeyUsage($jwk, 'verification')) {
             continue;
         }
         if (!$this->checkKeyAlgorithm($jwk, $algorithm->getAlgorithmName())) {
             continue;
         }
         try {
             $verified = $algorithm->verify($jwk, $input, $jws->getSignature());
         } catch (\Exception $e) {
             //We do nothing, we continue with other keys
             continue;
         }
         if (true === $verified) {
             $this->getCheckerManager()->checkJWT($jws);
             return true;
         }
     }
     return false;
 }