Strange error (Invalid argument supplied for foreach) on PRIVATE KEY BLOCK while Decrypting

Warning: Invalid argument supplied for foreach() in encryptDecrypt.php on line 53
<?php

require_once dirname(__FILE__).'/vendor/autoload.php';

function test_decrypt(){
        // data for test    
        $pgppublickey='-----BEGIN PGP PUBLIC KEY BLOCK-----
Comment: SERVER PUBLIC KEY

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
-----END PGP PUBLIC KEY BLOCK-----';

        $pgpprivatekey='-----BEGIN PGP PRIVATE KEY BLOCK-----
Comment: CLIENT PRIVATE KEY

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
-----END PGP PRIVATE KEY BLOCK-----';

$pgpmessage='-----BEGIN PGP MESSAGE-----
Version: Keybase OpenPGP v2.0.76
Comment: https://keybase.io/crypto

yMCXAnicO8LLzMDFGO7a6SYjY2jKeFqhlCFWQLQpKbU4Iz9fISe/LFUByC5OzdCF
gkMHYlgYGLkY2FiZQAoZuDgFYLqjX7H/lVm1619MtsS/PbkzxRcsKtvu+vKg0izj
VN+vrN2f2JpefZFN5drPHLL55sZ+xwnpWt/U405nvtKL6tiee2XprU/pQnEPztZ9
+zX/LTfnjerwuMvml2p/h4U2t+xep+YvaP4/w2r9V4tj8Q9mFoTxbrvt+vNc1mYH
RuGVbO6lDyQ3fWMqN8/cwyN9X3bPwVlrRDQi3e5FWoc8DwvR0six+H5miqCpDFdP
L/+LBV8bLxT2XCvaLKhWOkn5C89RibvbN5ube9nPk+7v7lKJ1WIMi/YLsv9nM41x
yt0bDcca+i3PKOSVdfVNODmrutPFNdu86C5Tc9nxFZV3Qu+8+HM/uCM/K9s9wrbI
qUjO+BUAa96Rkg==
=tyk/
-----END PGP MESSAGE-----';

    // -------------------
    $decrypted=false;
    $keyEncrypted = OpenPGP_Message::parse(
        OpenPGP::unarmor($pgpprivatekey, 'PGP PRIVATE KEY BLOCK')
    );  
    $msg = OpenPGP_Message::parse(
        OpenPGP::unarmor($pgpmessage, 'PGP MESSAGE')
    );    
    foreach($keyEncrypted as $p) {
        if(!($p instanceof OpenPGP_SecretKeyPacket)) continue;   

        $key = new OpenPGP_SecretKeyPacket($p->key);
        $decryptor = new OpenPGP_Crypt_RSA($key);            
        $decrypted = $decryptor->decrypt($msg);    //<-- it does not return     
    }        
    return $decrypted;
}

$start = microtime(true);
print(test_decrypt()->packets[0]->data."\n");
$stop = microtime(true);
echo 'Elapsed time:' . ($stop - $start)." sec\n";
singpolyma / openpgp-php

Strange error (Invalid argument supplied for foreach) on PRIVATE KEY BLOCK while Decrypting #84
